Drager Primus Service Manual En

August 26, 2017 | Author: vitapablo | Category: Infrared, Graphical User Interfaces, Printed Circuit Board, Optical Filter, Light
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Description

Technical Documentation Primus Anaesthetic Workstation

Revision 6.0 5132.300 9036004

Because you care

Contents General 1

Symbols and Definitions

3

2

Notes

3

Function Description 1

General 1.1

Medical purpose ..................................................................................................................... 7

1.2

Product classification ............................................................................................................. 8

1.3

Protection classes .................................................................................................................. 8

1.4

Short description of Primus ................................................................................................... 9

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1.5

2

7

1.4.1

Ventilator .................................................................................................................. 9

1.4.2

Breathing system ...................................................................................................... 9

1.4.3

Mixer (fresh gas metering) .................................................................................... 10

1.4.4

Monitor control panel .............................................................................................. 11

1.4.5

Options ................................................................................................................... 12

Primus component structure ............................................................................................... 12 1.5.1

NEUTRAL POINT PCB .......................................................................................... 12

1.5.2

Graphical User Interface (GUI) ............................................................................... 13

1.5.3

Mixer ....................................................................................................................... 13

1.5.4

VGC (Ventilation and Gas Controller) .................................................................... 13

1.5.5

Power pack ............................................................................................................. 13

1.5.6

Cylinder pressure regulator .................................................................................... 13

NEUTRAL POINT PCB

15

I

Contents GUI

Monitor Control Panel (MoBi) ............................................................................................... 17 3.1.1

3.2

4

S-Box (interface box) ............................................................................................................ 20 3.2.1

BACKPLANE PCB .................................................................................................. 21

3.2.2

SpO2 sampling function (option) ............................................................................. 22

Patient gas module 4.1

4.2

4.3

4.4

23

Version PGM2 ...................................................................................................................... 23 4.1.1

ILCA2 function ........................................................................................................ 26

4.1.2

PGM2 with Pato O2 sensor .................................................................................... 28

4.1.3

PGM2 with Servomex O2 sensor ........................................................................... 30

4.1.4

Pneumatics of the PGM2 ........................................................................................ 32

Version PGM ........................................................................................................................ 34 4.2.1

II

MONITOR CONTROL PANEL PCB ....................................................................... 19

PGM pneumatic components ................................................................................. 37

Operating modes .................................................................................................................. 39 4.3.1

"Reduced Accuracy" mode (PGM only) .................................................................. 39

4.3.2

"ISO" mode (ISO accuracy) (PGM/PGM2) ............................................................. 39

4.3.3

"Full Accuracy" mode (PGM only) .......................................................................... 39

4.3.4

"Standby" response of the Primus (PGM/PGM2) ................................................... 39

4.3.5

IRIA/ILCA2 calibration ........................................................................................... 39

4.3.6

Auto-Wake-up function .......................................................................................... 39

4.3.7

O2 sensor/Servomex .............................................................................................. 39

PGM/PGM2 electronics ........................................................................................................ 40 4.4.1

MOPS PCB (PGM/PGM2) ...................................................................................... 40

4.4.2

AMO IRIA PCB (PGM) ............................................................................................ 40

4.4.3

AMO ILCA2 PCB (PGM2) ....................................................................................... 40

4.4.4

AMO O2 PUMP PCB (PGM) .................................................................................. 40

4.4.5

AMO MFM PCB (PGM2) ........................................................................................ 40

4.4.6

AMO FLOW ILCA PCB (PGM/PGM2) .................................................................... 41

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17

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3

Contents 5

Mixer 5.1

5.2

Operating modes .................................................................................................................. 46 5.1.1

10 VA mode ............................................................................................................ 46

5.1.2

'Normal' mode ........................................................................................................ 46

Layout ................................................................................................................................... 46 5.2.1

MIXER PCB ............................................................................................................ 46

5.2.2

PRIMUS CPU PCB (mixer) .................................................................................... 47

Gas inlet block (AIR, O2 and N2O) ...................................................................................... 48 5.3.1

Pneumatic components, gas inlet block ................................................................. 50

5.3.2

Pressure status LEDs ............................................................................................. 52

5.4

Mixer block ........................................................................................................................... 55

5.5

Pneumatic system ................................................................................................................ 56 5.5.1

VMIX valves ........................................................................................................... 57

5.5.2

PDMIX and RM ...................................................................................................... 57

5.5.3

PTANK (pressure sensor) ....................................................................................... 57

5.5.4

VTANK valve .......................................................................................................... 57

5.5.5

VMGS (fresh gas flow valve) .................................................................................. 57

5.5.6

PDMGSHI / PDMGSLO (differential pressure sensors) ......................................... 57

5.5.7

PSYS (pressure sensor) ......................................................................................... 57

5.5.8

VSWAK (A-cone valve) .......................................................................................... 58

5.5.9

VBAK (safety valve) ............................................................................................... 58

5.5.10

TEMPTANK / TEMPBLOCK (temperature sensors) ............................................... 58

5.5.11

VSFC (safety O2 adjuster) ..................................................................................... 58

5.5.12

VO2+ (flush button) ................................................................................................ 58

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5.3

43

III

Contents VGC

VGC electronics .................................................................................................................... 61 6.1.1

VGC POWER PCB ................................................................................................. 61

6.1.2

PRIMUS ANALOG PCB ......................................................................................... 61

6.2

Piston cylinder unit (PCU) ....................................................................................................62

6.3

VGC pneumatic block ...........................................................................................................64

6.4

VGC pneumatic system ........................................................................................................ 65

6.5

Interface plate ....................................................................................................................... 67

6.6

Breathing system .................................................................................................................. 69 6.6.1

6.7

6.8

6.9

7

IV

Compact breathing system pneumatic components ............................................... 72

Automatic ventilation ............................................................................................................ 73 6.7.1

Inspiration ............................................................................................................... 73

6.7.2

Expiration ................................................................................................................ 75

Manual ventilation ................................................................................................................. 77 6.8.1

Inspiration ............................................................................................................... 77

6.8.2

Expiration ................................................................................................................ 78

Spontaneous breathing .........................................................................................................79 6.9.1

Inspiration ............................................................................................................... 79

6.9.2

Expiration ................................................................................................................ 80

Ventilation modes with software version 2.n or higher

81

7.1

“Volume Mode” ..................................................................................................................... 81

7.2

“Pressure Mode” ................................................................................................................... 84

7.3

“Pressure Support Mode” ..................................................................................................... 87

7.4

“Man./Spont Mode” ............................................................................................................... 88

7.5

Switching ventilation modes ................................................................................................. 89

7.6

HLM mode ............................................................................................................................ 89

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59

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6

Contents 8

9

Power pack

91

8.1

Power pack input .................................................................................................................. 91

8.2

Power switch ........................................................................................................................ 92

8.3

Output voltages and currents ............................................................................................... 92

8.4

Secondary connector ........................................................................................................... 93

8.5

UPS batteries ....................................................................................................................... 93

8.6

Power pack CAN communication ......................................................................................... 94

8.7

Power failure warning ........................................................................................................... 94

Operating modes

95

9.1

Cold start .............................................................................................................................. 95

9.2

Standby mode ...................................................................................................................... 95

9.3

Shutdown ............................................................................................................................. 95

9.4

Safety mode ......................................................................................................................... 95 9.4.1

9.5

Safety O2 flow ........................................................................................................ 95

Alarm system ........................................................................................................................ 96

10

Cylinder pressure reducer

97

11

Vaporizer

101

12

Bronchial aspirator

103

12.1 Intended use ....................................................................................................................... 103 12.2 Device types ....................................................................................................................... 103 12.2.1

Variants ................................................................................................................. 103

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12.3 Bronchial aspirator with ejector .......................................................................................... 103 12.3.1

Pneumatics (ejector) ............................................................................................ 104

12.4 Bronchial aspirator with vacuum ........................................................................................ 105 12.4.1 13

Pneumatics (vacuum) ........................................................................................... 106

Block diagrams and pneumatic components layout

109

13.1 Introduction ......................................................................................................................... 109

V

Contents Maintenance Procedures 1

Safety precautions

123

2

Rear panel

125

2.1

Rear panel removal ............................................................................................................125

2.2

Rear panel fitting ................................................................................................................. 125 2.2.1

Rear panel final check .......................................................................................... 125

3

Replacing bronchial suction device bacterial filter

127

4

Replacing filter mat on PGM fan

129

5

Replacing bacterial filter and Nafion tube in PGM

131

Removing the PGM ............................................................................................................ 131 5.1.1

5.2

Replacing the bacterial filter ............................................................................................... 133

5.3

Replacing the Nafion tube ................................................................................................. 133

5.4

Fitting the PGM housing (new) ........................................................................................... 134

Cleaning or replacing filter mat in housing cover 6.1

137

Filter mat removal ............................................................................................................... 137 6.1.1

Filter mat fitting ..................................................................................................... 138

7

Replacing filter mat in power pack

139

8

Replacing UPS batteries

141

VI

8.1

Power pack removal ........................................................................................................... 141

8.2

Removing UPS batteries .................................................................................................... 142

8.3

Fitting UPS batteries ........................................................................................................... 144

8.4

Fitting the power pack ......................................................................................................... 146

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Removing the PGM housing ................................................................................. 131

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5.1

Contents 9

Cleaning or replacing large and small filter mats in VGC 9.1

Removal of large filter mat ................................................................................................. 147 9.1.1

9.2

147

Fitting of large filter mat ........................................................................................ 149

Removal of small filter mat ................................................................................................. 149 9.2.1

Fitting of small filter mat ....................................................................................... 150

10

Replacing bag upper roller diaphragm

151

11

Replacing the lower rolling seal (VGC)

153

11.1 Removing the VGC ............................................................................................................ 153 11.2 Removing the piston-cylinder unit ...................................................................................... 158 11.2.1

Removing/Fitting the lower rolling seal ................................................................. 162

11.3 Mounting piston-cylinder unit .............................................................................................. 168 12

Replacing pressure regulators PRPN2O, PRPAIR, PRPO2

173

12.1 Removing gas inlet block pressure regulators ................................................................... 173 12.2 Fitting pressure regulators .................................................................................................. 174 13

Replacing CPU PRIMUS PCB lithium battery

179

13.1 Removing mixer ................................................................................................................. 179 13.2 Removing mixer cover ........................................................................................................ 182 13.3 Replacing the lithium battery .............................................................................................. 183 13.4 Fitting mixer cover .............................................................................................................. 184

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13.5 Mixer fitting ......................................................................................................................... 184 14

Replacing PEEP diaphragm and MAN/SPONT diaphragm

185

15

Pressure regulator major overhaul

189

15.1 Safety precautions .............................................................................................................. 189 15.2 Required spare parts .......................................................................................................... 190 15.3 Service Equipment Required .............................................................................................. 191 15.4 Removing the pressure regulator ....................................................................................... 192 15.5 Replacing the “Major Overhaul” spare parts set ................................................................. 194

VII

Contents Schematics and Diagrams 1

Primus pneumatic components diagram

203

2

Schematics and Diagrams

209

Annex Parts catalog Test List

VIII

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Technical Information

General

1

2

Primus 1

Symbols and Definitions

General

WARNING A WARNING statement provides important information about a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION A CAUTION statement provides important information about a potentially hazardous situation which, if not avoided, may result in minor or moderate injury to the user or patient or in damage to the equipment or other property.

NOTE A NOTE provides additional information intended to avoid inconvenience during operation.

Definitions according to German standard DIN 31051:

2

Notes

Inspection

= examination of actual condition

Maintenance

= measures to maintain specified condition

Repair

= measures to restore specified condition

Servicing

= inspection, maintenance, and repair

This Technical Documentation conforms to the IEC 60601-1 standard. Read each step in every procedure thoroughly before beginning any test. Always use the proper tools and specified test equipment. If you deviate from the instructions and/or recommendations in this Technical Documentation, the equipment may operate improperly or unsafely, or the equipment could be damaged.

The maintenance procedures described in this Technical Documentation may be performed by qualified service personnel only. These maintenance procedures do not replace inspections and servicing by the manufacturer. The information in this Technical Documentation is confidential and may not be disclosed to third parties without the prior written consent of the manufacturer. All rights reserved. Copyright reserved.

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It is our recommendation to use only Dräger parts and supplies.

This Technical Documentation is for the purpose of information only. Product descriptions found in this Technical Documentation are in no way a substitute for reading and studying the Instructions for Use/Operating Manual enclosed with the product at the time of delivery.

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General

Primus Know-how contained in this Technical Documentation is subject to ongoing change through research and development and Dräger Medical reserves the right to make changes to this Technical Documentation without notice.

4

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NOTE Unless otherwise stated, reference is made to laws, regulations or standards (as amended) applicable in the Federal Republic of Germany for equipment used or serviced in Germany. Users or technicians in all other countries must verify compliance with local laws or applicable international standards.

Function Description

5

6

Primus 1

General

1.1

Medical purpose

Function Description

Primus is an anaesthetic workstation for automatic and manual ventilation and spontaneous breathing, usable for adults, children and infants. Application: –

Inhalation anesthesia in rebreathing systems.



Inhalation anesthesia in virtually closed systems for low-flow and minimum-flow applications.



Inhalation anesthesia in non-rebreathing systems with separate fresh gas output for connection of “Bain” or “Magill” system, for example, with a fresh gas flow of 0.2 L/min to 18 L/min.

Changed ventilation modes (software 2.n or higher): –



Volume-controlled ventilation “Volume Mode”. Switchable functions: •

Synchronization.



Pressure support (optional).

Pressure-controlled ventilation “Pressure Mode” Switchable functions: •

Synchronization.



Pressure support (optional).



Manual ventilation “MAN”.



Spontaneous breathing “SPONT”.



Pressure-assisted ventilation “Pressure Support” (optional).

Ventilation modes (up to software d1.06): –

Volume-controlled ventilation “IPPV, SIMV”.



Pressure-controlled ventilation “PCV”



Manual ventilation “MAN”.



Spontaneous breathing “SPONT”.



Peak pressure “Ppeak”, mean pressure “Pmean”, plateau pressure “Pplat, PEEP”.



Expiratory minute volume “MV”, tidal volume “VT”, respiratory frequency “f”.



Inspiratory and expiratory concentrations of O2, N2O, anesthetic gas and CO2.



System compliance and leakage minute volume.



Functional oxygen saturation “SpO2” and pulse rate (optional).

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Displayed values:

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Function Description

Primus Curve diagrams: –

Airway pressure “Paw”.



Inspiratory and expiratory flow “V”.



Inspiratory and expiratory concentrations of O2, CO2 and anesthetic gas.



Plethysmogram (optional).



P/V loops and flow/V loops (optional in software 2.n or higher).

Bargraph: –

Display of inspiratory tidal volume, expiratory tidal volume and leakage tidal volume.



Volumeter.



Econometer (optional in software 2.n or higher).

Time trends of measured values (trends) are additionally available. Monitoring: –

By programmable alarm limits which can be adjusted automatically to the respective ventilation situation.



Airway pressure “Paw”.



Expiratory minute volume “AMV”.



Apnea (deactivated in heart-lung machine mode (HLM mode)).



Inspiratory and expiratory anesthetic gas concentrations.



Detection of anesthetic gas mixtures.



Inspiratory O2 and N2O concentrations (breathing-phase independent measurement in HLM mode).



Inspiratory and expiratory CO2 concentrations (breathing-phase independent measurement in HLM mode).



Optional: Oxygen saturation (alarms deactivated in HLM mode), pulse rate.

Product classification



Class II b, according to rules 2, 9 and 11 of the Medical Products Directive.

1.3

Protection classes



Protection class I, type B according to EN 60601-1.



With optional SpO2: Protection class I, type BF.

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1.2

8

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Monitored parameters:

Primus 1.4

Short description of Primus

1.4.1

Ventilator

Function Description The following sections provide an overview of the Primus components.

Figure 1

Ventilator with breathing system

The electronically controlled and driven ventilator has the following features:

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1.4.2

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Breathing system



Tidal volumes of 20 mL (10 mL with software 2.n or higher) to 1400 mL at frequencies of 3/min to 80/min.



Peak flow of up to 150 L/min.



Ventilation modes such as IPPV, PCB, SIMV (plus adjustable trigger, plus adjustable PEEP) and MAN/SPONT (up to software 1.n).



Ventilation modes such as volume mode, pressure mode, pressure support (optional) and MAN/SPONT with switchable synchronization and pressure assistance (optional).

The breathing system comprises the following components: –

Integrated absorber, either reusable or disposable.



Electronic interfaces for inspiratory and expiratory flow measurement.



Direct patient section heating is integrated into the valve plate of the breathing system.



Pneumatic interface to ventilator.



Fresh gas isolation and minimized compliance.

9

Function Description Mixer (fresh gas metering)

The electronic mixer offers the following features: –

Gas metering for O2, N2O and AIR.



Metering range from 200 mL/min to 18 L/min.



Alarm monitoring for the pressure values of the central supply (CS) and the cylinder supply. LEDs on the front panel indicate the pressure status.



ORC function for low-flow and minimum-flow applications.



O2 flush and mechanical safety O2 adjuster (see Figure 2).

Figure 2

O2 flush (O2+), mechanical safety O2 adjuster

Double Vapor plug-in system with interlock.



Optional external A-cone as fresh gas outlet.

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10

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1.4.3

Primus

Primus 1.4.4

Function Description

Monitor control panel

Figure 3

Monitor control panel

The parameters for fresh-gas flow control, ventilation, and gas monitoring are displayed on a 12-inch color screen.

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The following parameters are monitored: –

Airway pressure.



Inspiratory and expiratory flow.



Circle system leakage.



Inspiratory and expiratory O2 concentration.



CO2 measurement and anesthetic gas measurement.



Anesthetic gas detection.



Quantitative measurement of mixed-gas values and MAC calculation (age-relevant).

A data view, a trend view (graphical) and a log view can be selected. As from software release 2.n the following settings are possible:

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Free configuration of 3 real-time curves and different numerical values.



Body-weight-relevant ventilator presettings (Vt and frequency) and agerelevant calculation of minimum alveolar concentration (MAC ) according to “Mapleson” as well as age-relevant scaling of volumeter and influence on ventilation monitoring.

11

Function Description

Primus The safety concept incorporates the following tests:

1.5

Options

Automatic self-test with mixer test, ventilator test and test of the breathing system.



Test and automatic calibration of all sensors.

Primus is prepared for future upgrading with the following options: –

Integrated SpO2 measurement.



Consumption-free O2 measurement (with software 2.n or higher).



PAW preview – display of expected airway pressure curve when changing parameters.



P/V and flow/V loops (with software 2.n or higher).



Econometer function (with software 2.n or higher).



Additional ventilation modes (e.g. autoflow, CPAP).



Additional languages available for display texts.

Primus component structure

Figure 4

Primus component structure

In the “Block diagrams” section, you will find a detailed block diagram of the Primus. NEUTRAL POINT PCB

The NEUTRAL POINT PCB connects the components of the Primus to the power supply, additional signal wires and the CAN bus. More details are given in the following section on the NEUTRAL POINT PCB.

12

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1.4.5



Primus 1.5.2

Graphical User Interface (GUI)

Function Description The GUI has the following components: –

On the Monitor Control Panel (MoBi) the ventilation mode is displayed. Limit and target values are specified and the ventilation and anesthesia parameters are displayed.



S-Box (Interface box). PC interfaces and optional measuring functions such as SpO2 and BISTM.



Patient Gas Module (PGM) for measurement of O2, CO2 and anesthetic gas.

For more details refer to the section headed GUI. 1.5.3

Mixer

The mixer comprises the following function units: –

Electronically controlled and monitored mixer.



Vapor plug-in system for one or two conventional vaporizer types.



External fresh gas outlet, A-cone (optional).



Pressure monitoring for CS and compressed gas cylinders.

More details are given in the following section on the mixer. 1.5.4

VGC (Ventilation and Gas Controller)

The VGC comprises the following function units: –

Electronically controlled and driven ventilator.



Integrated breathing system for “low flow” and “minimum flow” applications.

For more details refer to the section headed VGC. 1.5.5

Power pack

The power pack comprises: –

Switched-mode power supply unit.



Uninterruptible power supply (UPS) with one battery pack consisting of two 12 V lead-gel batteries.



Battery charging management.

For more details refer to the section headed Power pack. Cylinder pressure regulator

The cylinder pressure regulators reduce the pressure of the optional compressed gas cylinders. For more details refer to the section headed Cylinder pressure regulators. The function description relating to the NEUTRAL POINT PCB follows.

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1.5.6

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Function Description Primus

Primus 2

NEUTRAL POINT PCB

Function Description The NEUTRAL POINT PCB is the central signal and voltage distributor.

Location of the Neutral Point PCB

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Figure 5

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Function Description

Primus

Table 1

Component mounting diagram, NEUTRAL POINT PCB, for legend see Table 1

Legend to Figure 6

Item

Connector

1

Monitor Control Panel (MoBi).

2

Monitor Control Panel (MoBi).

3

Ventilation and Gas Controller (VGC).

4

Mixer B.

5

Mixer A.

6

Safety O2 flow valve (microswitch).

7

Power switch (main switch).

8

Halogen lamp

9

Jack plug (production tests).

10

PGM.

11

Power pack A.

12

Power pack B.

13

Not assigned.

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The function description relating to the GUI follows.

16

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Figure 6

Primus 3

GUI

Function Description The following section describes the user interface (“GUI = Graphical User Interface”).

Figure 7

GUI block diagram

In the “Block diagrams” section, in the block diagram of the Primus, you will find a block diagram of the GUI. The GUI has the following components:

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3.1



MoBi (monitor control panel).



S-Box (Interface Box).



Patient Gas Module (PGM). The function description relating to the Patienten Gas Module (PGM) follows.

Monitor Control Panel (MoBi)

Figure 8

Position of Monitor Control Panel (MoBi)

In the “Block diagrams” section, you will find a block diagram of the MoBi.

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Function Description

Primus The user and Primus communicate via the MoBi. The MoBi display presents system and patient information. It is here that the user sets the parameters and ventilation modes. The Patient Gas Module (PGM) is connected to the GUI.

Figure 9

Exploded view of MoBi, for legend see Table 2

Table 2

Legend to Figure 9

18

Components Front panel with membrane keypad. Includes keypad membrane covering with design imprint, keys, LEDs (e.g. for CS gases), the carrier plate and the shielding, anti-glare glass screen.

2

12 inch color display (TFT, resolution: 800 x 600).

3

MONITOR CONTROL PANEL PCB (motherboard).

4

Backlight converter (display backlighting).

5

LCD800 PCB (adapter PCB for connection of different makes of display).

6

Loudspeaker.

7

Rotary transducer.

8

Control knob (central operator control element).

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1

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Item

Primus 3.1.1

MONITOR CONTROL PANEL PCB

Function Description The following software is installed on the PCB: –

GUI software.



Monitoring and evaluation software for the PGM.



Software for Medibus connections and SpO2.

A 2-processor system is in operation on the PCB. It comprises a Display Master (DiMa) and a Communication Master (CoMa). The powerful DiMa processor incorporates the following components: –

Motorola processor (MPC823) with 48 MHz clock frequency and 32-bit address and data buses.



Flash-PROM (program memory).



RAM (data memory).



CAN controller.



RS232 interface for in-house development purposes.



Serial communication channel for Ethernet.

The LCD controller is a programmable logic device (“PLD”). A “DRAM” serves as the video memory. The CoMa processor system primarily controls communication with the other Primus components.



Motorola processor (M68332) with 16.7 MHz clock frequency, internal 32bit bus and external 16-bit data bus.



Flash-PROM (program memory).



RAM (data memory).



RS232 interface for communication with the SPO2, PGM and Medibus 1 3 modules.



Real-time clock (RTC).



Keyboard and rotary knob scan, LED actuation and sound output.



CAN interface.

Both processor systems communicate by way of a Dual-Port RAM (DPR). This memory device is battery-buffered. The buffering is provided primarily by the UPS batteries of the Primus. If they fail, the lithium battery on the MONITOR CONTROL PANEL PCB ensures data is retained. The operating voltage is provided by an unstabilized voltage of 20 V to 30 V (Vcc). DC converters on the MONITOR CONTROL PANEL PCB generate all other voltages on the PCB.

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The CoMa incorporates the following components:

The MoBi is interconnected over the CAN bus with the other components of the Primus (power pack, mixer and VGC).

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Function Description 3.2

Primus

S-Box (interface box)

Figure 10 Position of S-Box

Figure 11 Layout of the S-Box, for legend see Table 3

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In the “Block diagrams” section, you will find a block diagram of the S-Box.

Primus

Function Description Table 3

Legend to Figure 11

Item

Components

1

Drawer unit components fully mounted.

2

BACKPLANE PCB.

3

SpO2 ADAPTER PCB (SpO2 PCB not shown).

Figure 12 S-Box, block diagram

The S-Box as standard includes the BACKPLANE PCB and thus the externally available Medibus ports (COM 1-3), IV-System (Ethernet for TIVA) and a CAN port (SABUS exclusively for debug purposes). The S-Box is prepared for the SpO2 option. 3.2.1

BACKPLANE PCB

The BACKPLANE PCB is the base component for additional modules and the insulated interfaces to external devices. In the “Block diagrams” section, you will find a block diagram of the BACKPLANE PCB



Electrical isolation and level conversion of the 3 Medibus ports (RS232).



Connects the MoBi with the CAN (SABUS) and Ethernet (TCP/IP) connectors.



Connects the optional hardware (SPO2, IV-System) with the MoBi (as from SW 1.n).

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The BACKPLANE PCB has the following functions:

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Function Description 3.2.2

SpO2 sampling function (option)

Primus The SpO2 sampling function has the following tasks: –

Non-invasive measurement of functional oxygen saturation in the arterial blood. The upper and lower alarm limits are monitored on the MONITOR CONTROL PANEL PCB by the CoMa processor.



Measurement of pulse rate.



Monitoring of the pulse rate with upper and lower alarm limits.

The SpO2 sensor essentially comprises two LEDs (light-emitting diodes) which alternatingly emit infrared light with typical wavelengths of 920 nm and 660 nm respectively. An opposing photodetector measures the radiant intensity. The sensor is placed on a part of the body on which arterial blood vessels can be X-rayed, such as the fingers, toes or bridge of the nose. The new SpO2 sensor “DS-100A” incorporates a memory chip. The Nellcor module used in the Primus now detects only this SpO2 sensor. The new sensor is identifiable by the fact that all nine pins are present on the connector. The SpO2 sensor is connected without a pre-amplifier to the module. The module communicates through a serial port with the MONITOR CONTROL PANEL PCB. On the BACKPLANE PCB the module is electrically isolated with 1.5 kV.

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The function description relating to the Patienten Gas Module (PGM) follows.

Primus 4

Patient gas module

Function Description The PGM (patient gas module) or PGM2 is an integral part of the GUI functional unit (see function description GUI. There are two versions of the patient gas module: –

PGM.



PGM2.

In the “Block diagrams” section, you will find the block diagrams of the PGM/PGM2 electronics Differences between PGM2 and PGM:

PGM

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4.1

Version PGM2

PGM2

Anesthetic gas measurement.

IRIA.

ILCA2.

O2 sampling.

Electrochemical O2 cell. Servomex sensor or Pato sensor.

O2 measurement electronics.

AMO O2 PUMP PCB

AMO MFM PCB.

Pump flow.

150 mL

200 mL

Flush flow.

200 mL

250 mL

The following illustration shows the location of the PGM2 (rear panel of unit is open).

Figure 13 Location of the PGM2 5132.300

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Function Description

Primus

Figure 14 Exploded view of PGM2, for legend see Table 4

Legend to Figure 22

24

Component

1

ILCA2 sensor head.

2

Solenoid valve V1.

3

Pump (200 mL).

4

Insulating foil.

5

MOPS PCB (central processor).

6

PCBs mounting frame.

7

AMO ILCA2 PCB (anesthetic gas analysis).

8

AMO Flow ILCA PCB (flow measurement, pump control, and valve control).

9

AMO MFM PCB (O2 analysis).

10

“Servomex” O2 sensor or “Pato” O2 sensor.

11

Filter mat.

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Item

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Table 4

Primus

Function Description

Item

Component

12

Bacterial filter.

13

Holder for WaterLock (water trap).

14

WaterLock.

15

Fan.

16

Solenoid valve V2.

17

Adapter board (connection board).

The PGM2 automatically detects and measures the anesthetic gas in use Halothane, Enflurane, Isoflurane, Desflurane or Sevoflurane. It also detects and measures mixtures of two of the above anesthetic gases. If it encounters a mixture of more than two anesthestic gases, the warning “AGas mixture” is delivered. CO2, O2 and the anesthetic gas mixture are presented as a real-time curve. Some of the parameters measured by the PGM2 (etCO2, inCO2 etN2O, inN2O, etO2 and inO2) are presented on the GUI as digital values.

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One component of the PGM2 is the water trap. The water trap is accessible from the front panel. For position see following diagram.

Figure 15 Position of water trap

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Function Description 4.1.1

ILCA2 function

Primus ILCA2 is a gas measuring module for the analgesic N2O, the anesthetic gases Halothane, Enflurane, Isoflurane, Desflurane and Sevoflurane, and for measurement of mixtures. ILCA2 conforms to the measurement accuracy specified by ISO standards. The ILCA2 module is capable of automatically detecting the above mentioned gases. ILCA2 module design The ILCA2 module principally comprises the following components: –

Sensor head with double-optics, pressure sensor, and electronics.



Diaphragm pump.



Pneumatic low pass.



Solenoid valve for zero calibration.



Module rack with 3 PCBs.

In the “Block diagrams” section, you will find a block diagram of the ILCA2 module. Sensor head The sensor head houses 2 PCBs with the following functions: –

Pre-amplifier PCB for the two multi-channel detectors.



Base PCB with emitter activation, temperature regulation, absolute pressure measurement and a serial EEPROM holding the serial number, setting and calibration data for operation of the sensor head.



AMO FLOW ILCA PCB - Control of the diaphragm pump and the zero calibration solenoid. A serial EEPROM stores the necessary data such as the serial number, hardware/software revision, control parameters etc.



AMO ILCA2 PCB - Here the necessary supply voltages are generated and the data transfer from the ILCA2 sensor to the MOPS PCB is implemented.



AMO MFM PCB - This circuit board amplifies the signal from the Servomex sensor.



MOPS PCB - Primarily delivers the data for further processing via an RS 232 interface.

The measurement principle of the ILCA2 module is based on the absorption of infrared light by the various media (see Figure 16). The sensor head consists of a double measuring head with one emitter each which emits a broad spectrum of infrared light. The light beam passes through a cuvette, through which the gas being measured is also drawn by means of a diaphragm pump. Downstream of the cuvette the light beam hits a multi-channel detector with IR filters. The filters are dimensioned so that only the light in the absorption wavelength of the measured gases is transmitted. If a gas is present light is absorbed. The higher the partial pressure of the gas, the greater the absorption of the light and the smaller the sensor signal.

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Measurement principle

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The module rack of the ILCA2 module contains 4 additional PCBs with the following functions:

Primus

Function Description

Figure 16 Principle of multi-channel detector with IR filters

Table 5

Legend to Figure 16 Meaning

1

Infrared light.

2

Beam splitter.

3

Sensor chip.

4

Infrared filter.

5

Sensor window.

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Item

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Function Description 4.1.2

PGM2 with Pato O2 sensor

Primus The oxygen analyser measures the patient's O2 concentration at the Y-piece. Measurement principle The oxygen sensor uses the effect that oxygen molecules are attracted very much more strongly to a magnetic field (paramagnetism) than the molecules of other gases, which in some cases are repelled by the magnetic field (diamagnetism). Layout The Pato houses a cuvette containing a sensor system, the cuvette is located between two electromagnets.

Figure 17 Pato system structure

Legend to Figure 17 Component

1

Magnetic system

2

Sensor system

3

Cuvette

4

Magnetic system

This sensor system comprises the gas path (cuvette) and the sensor inside the measurement compartment. The measurement compartment is designed as a bulge in the gas path. The sensor consists of a heating element and thermoelement assembly.

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Item

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Table 6

Primus

Function Description

Figure 18 Pato sensor system

Table 7

Legend to Figure 18

Item

Name

1

Measurement compartment

2

Heating element and thermoelement assembly

3

Gas path

4

Sensor element

Function The electromagnets generate an alternating field. The sampling gas flows through the cuvette and the gas path in the sensor system.

The outer alternating magnetic field influences the mobility of the oxygen contained in the sampling gas. The changing mobility alters the heat transfer in the sampling gas which results in the thermoelement measuring a changing temperature.

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The heating element heats up the sampling gas to operating temperature, the thermoelement measures the temperature.

The exent of the heat transfer variation depends on the oxygen concentration in the sampling gas. The ILCA2 module converts the temperature change in an oxygen concentration value which is then displayed on the connected patient monitor.

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Function Description 4.1.3

PGM2 with Servomex O2 sensor

Primus The Servomex sensor uses the fact that oxygen molecules have a stronger paramagnetic characteristic (attracted to a magnetic field) than the molecules of other gases that are sometimes even diamagnetic (repulsed by a magnetic field). The following position numbers refer to Figure 19. The permanent magnets (7 and 12) in the sensor create a symmetric magnet field (11). The magnet field contains two nitrogen-filled quartz spheres (9) arranged in the form of dumbbells. The dumbbell is suspended rotating from a taut platinum band. A reel of platinum wire is wound around the dumbbell as a feedback coil (10). When oxygen flows through the measuring cell (1 and 6), the magnetic field (11) changes based on the paramagnetic effect of the oxygen dependent on its concentration. This rotates the quartz spheres (9) of the dumbbells out of the magnetic field.

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A mirror attached to the pivot of the dumbbell (8) reflects a light beam (5) onto a photocell pair (4). The photocells are connected to an amplifier (3) of which the output signal supplies the feedback coil (10) of the dumbbell. The dumbbell is rotated back by the current in the feedback coil (10) until the light beam (5) is illuminating both photocells (4) equally by means of the mirror (8). Then the system is at equilibrium. The current flowing through the feedback coil (10) is proportional to the paramagnetism of the oxygen and thus a measure of the oxgen concentration, which is displayed on the display instrument (2).

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Primus

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Function Description

Figure 19 Schematic representation of the Servomex sensor

31

Function Description 4.1.4

Pneumatics of the PGM2

Primus In the “Block diagrams” section, you will find a schematic of the PGM2 pneumatic components.

Figure 20 Schematic of PGM2 pneumatic components, see legend Table 10

Legend to Figure 24 Meaning

1

Sampling gas.

2

Goretex membrane (flow 20 mL).

3

Goretex membrane (flow 180 mL).

4

Water trap.

5

Teflon tube.

6

Nafion tube.

7

ILCA2 solenoid valve (pneutronics).

8

Room air (calibration).

9

Filter.

10

ILCA2 (anesthetic gas analysis).

11

O2 sensor.

12

Solenoid valve (pneutronics).

13

Filter.

14

OLC pump 200 mL (DC diaphragm pump).

15

Gas outlet.

C1

Volume.

R1

Restrictor.

R2 P

Differential pressure sensor.

The item numbers and abbreviations occurring in this section relate to Figure 24.

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Item

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Table 8

Primus

Function Description The sample gas (1) enters the water trap (4). In the water trap are two Goretex membranes (1, 2). The moisture in the sample gas cannot pass through the Goretex membranes. This prevents water from reaching the ILCA2 (flow approx. 180 mL/min). Consequently no water can penetrate the bypass branch (flow approx. 20 mL/min) either. An approximately 10 cm long Teflon tube (5) serves as a resistor, and meters the flow in the bypass branch. If the water in the water tank reaches to the level of the membranes, they are closed off by the water. An error message is displayed on-screen. A filling level detector is therefore no longer necessary. The sample gas flows through the Nafion tube (6) and is additionally dried. The sample gas then passes on to the ILCA2 solenoid valve (7). Depending on the valve switching state, either the sample gas (1) or, during calibration, the room air (8) reaches the ILCA2. The sample gas is fed through the cuvette (10) of the ILCA2 and passes on to the “Servomex” O2 sensor (11). When the Primus is in leak test mode, and the PGM2 in standby, the pump (14) is shut off. Whenever the pump is off, the solenoid valve (12) interrupts the gas flow to the system. This does not increase the leakage value. The following low-pass filter comprises the restrictor (R1) and the volume (C1). R1 is dimensioned as follows: –

R1 is small enough for the pump not to be placed under unnecessary strain.



R1 is large enough so that the pump pressure surges occurring in the ILCA2 cuvette do not impair the signal ratio and noise ratio in gas sampling.



The pressure drop at R1 is measured. The measured value is used for pump control.

The pneumatic low-pass components are integrated into the module housing of the electronics. The low-pass minimizes the pressure surges generated by the pump. Downstream of the pneumatic low-pass filter the sample gas passes to the pump.

Dimensioning of R2: In a calibration, the switching of the ILCA2 solenoid valve (7) is tested with the pressure sensor (in the sensor head). In this case the pressure drop via R2 and the filter (9) must be significantly less than the minimum pressure drop through the water trap and the sample gas tube. In the event of an error, an error log entry is generated.

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The flow through the pump (14) in measuring mode is approx. 200 mL/min (flush flow approx. 250 mL/min). The supply voltage of the pump is in the range from 2.5 VDC to 7.5 VDC at a current of up to 150 mA.

In substitution for a flowmeter, the pressure is measured with a differential pressure sensor (P) upstream and downstream of the low pass. The AMO FLOW ILCA PCB controls the pump with the pressure signal as the input variable.

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Function Description

Primus In order to ensure an adequate measurement accuracy, an automatic zero calibration is performed periodically. For this, room air is drawn in by the diaphragm pump through the ILCA2 solenoid (zero calibration valve) and passed through the sensors. The zero calibration valve is controlled by the AMO Flow ILCA PCB. Further measures to safeguard measurement accuracy:



The pressure in the cuvette likewise influences the result. So the pressure is measured and entered as a correction variable into the system.

The following diagram shows the position of the PGM with the rear panel open.

Figure 21 Position of the Patient Gas Module (PGM)

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Version PGM

Heating of the cuvette so the intensity of the light beam is not affected by condensation. As the temperature also influences the measurement result, the cuvette temperature is kept constant by means of a control loop.

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4.2



Primus

Function Description

Figure 22 Exploded view of the PGM, legend Table 9

Table 9

Legend to Figure 22

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Item

5132.300

Components

1

Connection board.

2

IRIA cuvette.

3

IRIA = “Infrared Rapidly Identifying Analyzer”. Sensor head of anesthetic gas analyzer.

4

Bacterial filter.

5

Fan.

6

Water trap.

7

Filter mat.

8

O2 cell (fast O2 analysis).

9

MOPS PCB (electronics).

10

AMO IRIA PCB (anesthetic gas analysis).

11

AMO O2 PUMP PCB (O2 analysis).

12

Pump.

13

ILCA solenoid valve (room air/sampling gas).

35

Function Description

Primus

Item

Components

14

AMO FLOW ILCA PCB (actuation and monitoring of valve, pump and flow values).

15

ILCA component carrier (for items 9 - 14).

16

ILCA solenoid valve (leakage).

17

Board (Teflon plate).

The PGM automatically detects and measures the anesthetic gas in use Halothane, Enflurane, Isoflurane, Desflurane or Sevoflurane. It also detects and measures mixtures of two of the above anesthetic gases. If it encounters a mixture of more than two anesthestic gases, the warning “AGas mixture” is delivered. CO2, O2 and the anesthetic gas mixture are presented as a real-time curve. Some of the parameters measured by the PGM (etCO2, inCO2 etN2O, inN2O, etO2 and inO2) are presented on the GUI as digital values.

Figure 23 Location of the water trap

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One component of the PGM is the water trap. The water trap is accessible from the front panel. For position see following diagram.

Primus 4.2.1

PGM pneumatic components

Function Description In the “Block diagrams” section, you will find a schematic of the PGM pneumatic components.

Figure 24 Schematic of PGM pneumatic components, legend Table 10

Table 10

Legend to Figure 24

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Item

Meaning

1

Sampling gas.

2

Goretex membrane (flow 15 mL).

3

Goretex membrane (flow 135 mL).

4

Water trap.

5

Teflon tube.

6

Nafion tube.

7

ILCA solenoid valve (pneutronics).

8

Room air (calibration).

9

Filter.

10

Electrochemical O2 cell (fast O2 analysis).

11

Solenoid valve (pneutronics).

12

Filter.

13

Pump (DC diaphragm pump).

14

Gas outlet.

C1

Volume.

R1

Restrictor.

R2 P

Differential pressure sensor.

The item numbers and abbreviations occurring in this section relate to Figure 24.

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Function Description

Primus The sample gas (1) enters the water trap (4). In the water trap are two Goretex membranes (1, 2). The moisture in the sample gas cannot pass through the Goretex membranes. This prevents water reaching the IRIA (flow 135 mL/min). Consequently no water can penetrate the bypass branch (flow approx. 15 mL/min) either. An approximately 9 cm long Teflon tube (5) serves as a resistor, and meters the flow in the bypass branch. If the water in the water tank reaches to the level of the membranes, they are closed off by the water. An error message is displayed on-screen. A filling level detector is therefore no longer necessary. The sample gas flows through the Nafion tube (6) and is additionally dried. The sample gas then passes on to the ILCA solenoid valve (7). Depending on the valve switching state, either the sample gas (1) or, during calibration, the room air (8) reaches the IRIA. The sample gas is fed through the IRIA cuvette and passes on to the O2 sensor (10). When the Primus is in Leak Test mode, and the PGM in Standby, the pump (13) is shut off. Whenever the pump is off, the solenoid valve (11) interrupts the gas flow to the system. This does not increase the leakage value. The following low-pass filter comprises the restrictor (R1) and the volume (C1). R1 is dimensioned as follows: –

R1 is small enough for the pump not to be placed under unnecessary strain.



R1 is large enough so that the pump pressure surges occurring in the IRIA cuvette do not impair the signal ratio and noise ratio in gas sampling.



The pressure drop at R1 is measured. The measured value is used for pump control.

The pneumatic low-pass components are integrated into the module housing of the electronics. The low-pass minimizes the pressure surges generated by the pump. Downstream of the pneumatic low-pass filter the sample gas passes to the pump.

In a calibration, the switching of the valve is tested with the pressure sensor in the IRIA. In this case the pressure drop via R2 and the filter (9) must be significantly less than the minimum pressure drop through the water trap and the sample gas tube. In the event of an error, an error log entry is generated.

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Dimensioning of R2:

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The flow through the pump (13) in measuring mode is approx. 150 mL/min (flush flow approx. 200 mL/min). The supply voltage of the pump is in the range from 2.5 VDC to 7.5 VDC at a current of up to 150 mA.

Primus

Function Description

4.3

Operating modes

4.3.1

"Reduced Accuracy" mode (PGM only)

The sampling bank of the PGM/PGM2 is in so-called “Reduced Accuracy” mode after approx. 5 minutes. During that time, the measured values are outside the specified accuracy. During that time, a calibration of the O-point is carried out every 2 minutes.

4.3.2

"ISO" mode (ISO accuracy) (PGM/PGM2)

Following “Reduced Accuracy” mode the sampling bank has ISO accuracy. After a maximum of 30 minutes the switch is made to “Full Accuracy” mode.

4.3.3

"Full Accuracy" mode (PGM only)

After power-up, the IRIA takes around 30 minutes to reach its operating temperature for maximum accuracy. During this time, a calibration of the O-point is carried out every 2 hours.

4.3.4

"Standby" response of the Primus (PGM/PGM2)

The filter wheel in the IRIA (PGM only) and the sampling gas pump are switched off after approximately 30 minutes. After 90 minutes the emitter and the heater are shut off. This is done to extend service life and reduce noise.

4.3.5

IRIA/ILCA2 calibration

The IRIA/ILCA2 is calibrated automatically. The user cannot initiate manual calibration. Nor is calibration possible during the ventilator leak test. This prevents a possible increase in volume resulting from intake of ambient air.

4.3.6

Auto-Wake-up function

If the Primus is switched to a ventilation mode following a cold-start, the alarm monitoring is initially disabled. This applies to all the parameters of the CO2 sampling bank except the alarm CO2/AGENT INOP. Alarm monitoring is activated when a respiration phase is detected.

4.3.7

O2 sensor/Servomex

The electrochemical O2 sensor and the Servomex sensors are calibrated during the cold start. In operation, the electrochemical O2 sensor is calibrated automatically every 8 hours. The Servomex sensor is calibrated every 2 hours. During calibration, the ILCA/ILCA2 solenoid valve is switched to room air. When the zero point of the IRIA/ILCA2 is calibrated the plausibility of the electrochemical O2 sensor signal is also checked. The Servomex sensor is calibrated with 21% O2.

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If non-linearity occurs, the user is offered a 100% O2 calibration. In 100% O2 calibration the user is responsible for connecting 100% O2 to the sampling line.

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Function Description 4.4

PGM/PGM2 electronics

4.4.1

MOPS PCB (PGM/PGM2)

Primus

In the “Block diagrams” section, you will find a block diagram of the MOPS PCB “MOPS” stands for “Modular Platform for Sensors”. It is a modular concept by which suitable sensor components (pneumatic and mechanical components) can be operated together by way of a processor board. The resultant arrangements are supported by a software program with a uniform communications interface. In this way, the user is provided with a uniform view of the parameters on offer, irrespective of the components deployed. The software is automatically configured for the connected components when the system starts up. With this concept, different gas sampling modules (for example “ILCA2” and “IRIA”) can be configured for specific customer needs using standard components. The MOPS PCB calculates the values of the patient parameters and controls the sensor head signals.

4.4.4

4.4.5

AMO ILCA2 PCB (PGM2)

“AMO” stands for “Adapter MOPS”. The PCB has the following tasks: –

Convert digital target values from the MOPS PCB into analog voltages for the IRIA emitter.



Generate the IRIA supply voltage.



Data transfer from the IRIA sensor to the MOPS PCB (data evaluation).

“AMO” stands for “Adapter MOPS”. The PCB has the following tasks: –

Convert digital target values from the MOPS PCB into analog voltages for the ILCA2 emitter.



Generate the ILCA2 supply voltage.



Data transfer from the ILCA2 sensor to the MOPS PCB (data evaluation).

AMO O2 PUMP PCB (PGM)

The PCB has the following task:

AMO MFM PCB (PGM2)

The PCB has the following task:





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Transfer the O2 sensor data to the MOPS PCB (data evaluation).

Transfer the O2 sensor data (Servomex) to the MOPS PCB (data evaluation).

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4.4.3

AMO IRIA PCB (PGM)

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4.4.2

Primus 4.4.6

AMO FLOW ILCA PCB (PGM/PGM2)

Function Description The AMO FLOW ILCA PCB controls the pump and the valves of the PGM/PGM2. The PCB is controlled and powered by the MOPS PCB. The actual regulation of the pump flow is handled by the software of the controller on the MOPS PCB. The AMO FLOW ILCA PCB holds the following components: –

A DC/DC converter generates the pump voltage (2.5 - 7.5 V/DC). The output voltage of the DC/DC converter is controlled with a digital potentiometer on the PCB. The digital potentiometer is regulated by the MOPS PCB.



The output stage to operate the valve.



Service LEDs for the pump voltage, the valves and the supply voltage



The temperature-compensated differential pressure sensor for flow measurement. The sensor offset is corrected with a digital potentiometer.



The analog electronics for evaluation of the pump voltage, pump current, valve current and differential pressure.

The flow is measured by way of the differential pressure of restrictor R1 plus the upstream (sintered-metal) filter. The measuring range is 0 mbar to 350 mbar. The AMO FLOW ILCA PCB is connected directly to a 60-pin connector on the MOPS PCB and is detected automatically by the MOPS PCB.

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The function description relating to the mixer follows.

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Function Description Primus

Primus 5

Mixer

Function Description This section describes the mixer for the AIR, N2O and O2 gases. The newly generated fresh gas is fed through the vaporizer to the VGC.

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Figure 25 Mixer position, with rear panel open

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Function Description

Primus

Figure 26 Mixer without hood, for legend see Table 11

Legend to Figure 26

Item

Components PRIMUS CPU PCB

2

Gas inlet block

3

Mixer block

4

A-cone valve

5

Fresh gas tank

6

MIXER PCB

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1

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Table 11

Primus

Function Description

Figure 27 Block diagram of fresh gas metering, legend Table 12

Table 12

Legend to Figure 27 Component

1

Monitor Control Panel (MCP)

2

CAN bus

3

Mixer electronics (PRIMUS CPU PCB/MIXER PCB)

4

Fresh gas outlet

5

Fresh gas flow valve

6

Fresh gas tank

7

Gas inlet valves

8

Pressure regulator

The item numbers and abbreviations occurring in this section relate to Figure 27 . On the MCP (1) the user selects the carrier gas AIR or N2O as well as the fresh gas flow and the O2 concentration. All rights reserved. Copyright reserved.

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Item

A CAN bus (2) transfers the setup parameters to the mixer electronics (3). The mixer electronics generate the actuation signals for the gas inlet valves (7). At the inlet of the fresh gas tank (6) the flow (V) is measured. With the measured flow value the switching times for the gas inlet valves (7) are calculated. The selected gas concentration is set in the fresh gas tank. The pressure in the tank (6) and at the fresh gas outlet (4) is measured and monitored.

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Function Description

Primus The fresh gas flow valve (5) delivers the selected fresh gas flow. The flowmeter at the fresh gas outlet (4) regulates the fresh gas flow valve.

5.1

Operating modes

The operating mode is regardless of whether the Primus is powered from the mains via its power plug or is powered up in battery mode.

5.1.1

10 VA mode

Internal leakage may mean that the O2 concentration in the Primus is above 21% when operation is begun. “10 VA” mode prevents dangerous operating states from occurring. When the power plug is connected to the mains power but the power switch is not yet switched on, the following safety rule applies: –

A supply voltage of only 10 VA is fed into the interior of the mixer (10 VA is the product of the no-load voltage and short-circuit current of the supply voltage “24 V PLUG-IN”. Only the DC/DC converters (-15 V, +15 V) for the pressure sensor amplifiers are supplied).



The pressure sensors for the gases from the central supply (CS) system and the cylinder supply are read and the compressed gas supply status is indicated by LEDs on the front panel (see 5.3.2 Pressure status LEDs).

When the Primus is switched on at the power switch (mains or battery powered) the following safety rule applies: –

5.1.2

'Normal' mode

5.2

Layout

5.2.1

MIXER PCB

Before other modules receive operating voltage, the fan in the mixer is switched on for at least 10 seconds. Only then is “Normal” mode activated.

In this mode the mixer CPU PCB controls normal mixing. All DC/DC converters (+5 V, +24 V, -15 V, +15 V) are supplied with “24 V SWITCH”.

In the “Block diagrams” section you will find a block diagram of the MIXER PCB.

DC/DC converters (+5 V, + 15 V, - 15 V, +24 V) with voltage monitoring



Amplifiers of the pressure and temperature sensors



Valve power switch and monitoring circuits



Fan actuation and monitoring



Logic device for the safety O2 adjuster

A cable harness connects the mixer with the NEUTRAL POINT PCB and with the other unit components. By way of the cable harness the mixer receives the unstabilized 18 V to 30 V supply voltage and the 12 V fan power from the power pack as well as the CAN bus. The mixer fan is switched on 10 seconds before the other components and is powered directly by the power pack (see 5.1.1 10 VA mode). When the fan wheel rotates a proportional square signal is generated (approx. 90 Hz). This square signal is monitored by the PRIMUS CPU PCB.

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The MIXER PCB holds the following components:

Primus

Function Description The valves on the mixer block are actuated by the Master CPU (PRIMUS CPU PCB). Power drivers on the MIXER PCB operate the valves. When one of the valves is actuated, the current flows through a shunt. The voltage drop at the shunt is evaluated by a comparator circuit and monitored by the supervisor processor on the PRIMUS CPU PCB. An exception to this is the fresh gas flow valve “VMGS”. The proportional valve cannot be monitored by this procedure. For safety shut-off of all valves, the supply voltage can be cut to all valves.

5.2.2

PRIMUS CPU PCB (mixer)

In the “Block diagrams” section you will find a block diagram of the PRIMUS CPU PCB. The PRIMUS CPU PCB is based on a 2-processor system with Master and Supervisor. Both 16-bit processor systems are identical in structure. The peripherals are controlled by way of an interface. Each processor has the following components: –

Quartz



undervoltage detector



External watchdog



Flash-PROM



RAM



EEPROM (system configuration)

A Dual-Port RAM is placed between the two processor systems for data exchange. A logic circuit prevents both processors writing to a memory cell simultaneously. Each processor system has an isolated serial port and a CAN bus. Configuration options for the serial port by jumper: –

Independent serial ports, RS232 level, isolation on jack plug.



Independent serial ports, TTL level, no isolation, output to connector strip.

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7-segment displays are provided for visual indication of operating states of the Master and the Supervisor.

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Function Description 5.3

Gas inlet block (AIR, O2 and N2O)

Primus In the “Block diagrams” section you will find a detailed layout of the pneumatic components of the Primus. On the underside of the gas inlet block are the ISO ports for the CS gases (Figure 28/1) e.g. Nist or DISS and the compressed gas cylinder ports for N2O and O2 (Figure 28/2).

Figure 28 CS/compressed gas cylinder ports

The following specifications apply to the CS and the compressed gas cylinders: –

48

The pressure values of the CS gases must be between 270 kPa and 690 kPa (19 psi to 80 psi).

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Figure 29 Optional outlets AIR (1) and O2 (2)

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Optional outlets for a bronchial suction device with AIR (Figure 29/1) and for a O2 flowmeter (Figure 29/2) are prepared.

Primus

Function Description –

If the CS pressure falls below 270 kPa, the user must open the O2 or N2O compressed gas cylinder, as appropriate. If the cylinder pressure is too low, the user is warned on the MCP display. The maximum cylinder pressure is 19000 kPa.

Figure 30 Detail, gas inlet block, for legend see Table 13

Table 13

Legend to Figure 30

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Item

5132.300

Component

1

Pressure regulators (N2O, AIR, O2) regulate the input pressure to the mixer to 2.3 r0.1 bar

2

Sintered-metal filter

3

ISO port (e.g. NIST for O2 cylinder supply)

4

Optional gas outlet (plug-in connection for AIR)

5

Non-return valve

6

Non-return valve for N2O gas inlet

7

CS sensor N2O

8

CS sensor AIR

9

CS sensor O2

49

Function Description 5.3.1

Primus

Pneumatic components, gas inlet block

Figure 31 Pneumatic components diagram, gas inlet block, for legend see Table 14

Abb./Item PPO2 PPAIR

Component Relative pressure sensors with integral amplifier for CS pressure measurement

PPN2O

50

PCO2

High-pressure sensor cylinder pressure O2

PCN2O

High-pressure sensor cylinder pressure N2O

PRPO2

Pressure regulator, O2 line

PRPAIR

Pressure regulator, AIR line

PRPN2O

Pressure regulator, N2O line

PRCO2

Pressure regulator, O2 compressed gas cylinder

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Legend to Figure 31

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Table 14

Primus

Function Description

Abb./Item

Component

PRCN2O

Pressure regulator, N2O compressed gas cylinder

1

Gas inlet block (complete)

2

HP ISO port O2 (NIST or DISS)

3

CS ISO port O2 (NIST or DISS)

4

Sintered-metal filter in CS ISO port

5

Non-return valve, CS inlet O2

6

ISO outlet O2 (optional)

7

ISO outlet AIR (optional)

8

To flush button and safety O2 adjuster

9

To the CS flow metering inlet valves

The item numbers and abbreviations occurring in this section relate to Figure 31 . For the following description the O2 gas path was chosen. The CS gas (3) passes through the ISO port to the gas inlet block. By way of the sintered-metal filter (4) the gas passes to the pressure sensor “PPO2”. The relative pressure sensor delivers a signal proportional to the pressure. The sintered-metal filter (4) prevents the non-return valve (5) from being contaminated by particles. If the CS fails, no CS pressure is indicated. The non-return valve (5) prevents O2 from escaping out of the compressed gas cylinder (2) into the CS system. The pressure regulator PRPO2 generates a constant input pressure for the mixer (2.3 bar r0.1 bar). The O2 pressure regulator additionally supplies (8) the flush button “VO2+” and the safety O2 adjuster “VSFC”.

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An optional compressed gas supply for an external bronchial suction device (7) or an external O2 flowmeter (6) is provided for.

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Function Description 5.3.2

Pressure status LEDs

Primus The mixer measures and monitors the pressure of the CS and the compressed gas cylinders. Depending on the measured values, LEDs on the MCP indicate the pressure status.

Figure 32 Position of LEDs (front panel)

The CS pressure and the cylinder pressure is indicated by five LEDs on the front of the MCP. The sixth LED is intended for an optional AIR compressed gas cylinder. The LEDs are lit either green or red or are unlit, depending on operating status. The LEDs are made to change colour by reversing the polarity of the supply voltage. If the mixer is in “10 VA” mode, the LEDs are either green or unlit. The initial condition for Table 15 is:

Table 15

LED status, Primus off

Gas supply O2-CS

AIR-CS

N2O-CS

52

Pressure value

LED status

p < 2.7 bar

Off

p

Green

2.7 bar

p < 2.7 bar

Off

p

Green

2.7 bar

p < 2.7 bar

Off

p

Green

2.7 bar

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Primus is off, but power is connected.

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Primus

Function Description

Gas supply O2 cylinder

AIR cylinder

N2O cylinder

Pressure value

LED status

p < 20 bar

Off

p

Green

20 bar

Pressure sensor not connected

Off

p < 20 bar

Off

p

Green

20 bar

Pressure sensor not connected

Off

p < 10 bar

Off

p 10 bar

Green

Pressure sensor not connected

Off

The initial condition for Table 16 is: –

Primus is on. The mixer is in normal mode.

Table 16

LED status, Primus in normal mode

Gas supply O2-CS

AIR-CS

N2O-CS

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O2 cylinder

AIR cylinder

5132.300

Pressure value

LED status

p < 2.7 bar

Off

p

Green

2.7 bar

Pressure sensor error

Flashing green

p < 2.7 bar

Off

p

Green

2.7 bar

Error

Flashing

p < 2.7 bar

Off

p

Green

2.7 bar

Pressure sensor error

Flashing green

p < 20 bar and CS O2 pressure is 2.7 bar

Off

p

Green

20 bar

p < 20 bar and the CS O2 pressure is < 2.7 bar

Flashing red at 1.4 to 2.8 Hz

Pressure sensor not connected

Off

p < 10 bar and the CS N2O pressure is < 2.7 bar

Flashing red at 1.4 to 2.8 Hz

p

Green

10 bar

Pressure sensor not connected

Off

p < 10 bar and CS N2O pressure is 2.7 bar

Off

53

Function Description

Primus

LED status

p < 10 bar and CS N2O pressure is 2.7 bar

Off

p

Green

10 bar

p < 10 bar and CS N2O pressure is < 2.7 bar

Flashing red at 1.4 to 2.8 Hz

Pressure sensor not connected

Off

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N2O cylinder

Pressure value

54

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Gas supply

Primus 5.4

Function Description

Mixer block

Figure 33 Mixer block, for legend see Table 17

Table 17

Legend to Figure 33

Item 1

PDMGSHI

Absolute pressure sensors with integral amplifier

PSYS

5

Tank vent valve

VTANK

6

Temperature sensors

TANKTEMP, MGSTEMP

7

Connection for tank volume

TANK

8

Gas inlet valves

VMIXO2

3

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4

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Short name

Differential pressure sensors with piezo measuring bridge

2

5132.300

Component

PDMGSLO

PTANK

9

VMIXAIR

10

VMIXN2O

11

Pressure inlets (N2O, AIR, O2) to the gas inlet valves

12

O2 inlet to safety O2 adjuster and flush button

13

Differential pressure sensor with piezo measur- PDMIX ing bridge

14

Fresh gas flow valve (proportional valve)

VMGS

15

A-cone valve

VSWAK

55

Function Description 5.5

Primus

Pneumatic system

Figure 34 Pneumatic components diagram, mixer, for legend see Table 18

Legend to Figure 34 Component/Meaning

1

Gas inlet block

2

A-cone valve (optional)

3

Mixer, flow metering

4

Vaporizer

I

To compact breathing system

II

To A-cone valve/compact breathing system switching valve (MV3) for airway pressure measurement

III

To A-cone outlet

In the “Block diagrams” section you will find a detailed layout of the pneumatic components of the Primus. The abbreviations occurring in the following sections relate to Figure 34 and Figure 33.

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Item

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Table 18

Primus 5.5.1

VMIX valves

Function Description The “VMIX” valves mix the desired gas concentration. By way of the “VMIX” valves the CS gas (N2O, AIR, O2) passes to the differential pressure sensor “PDMIX”, to the pressure sensor “PTANK” and to the flowmeter section “RM”. The “VMIX” valves fill “TANK”. The pressure range in 'TANK“ is between 1 bar and 1.5 bar. The pressure difference of 0.5 bar and the “TANK” volume of 0.5 L produce a usable “TANK” volume of 0.25 L (0.5 bar x 0.5 L = 0.25 L). At a fresh gas flow setting of 18 L/min, the “VMIX” valves are opened 72 times a minute. The following equation illustrates the TANK filling process (72 /min x 0.25 L = 18 L/min).

5.5.2

PDMIX and RM

With the differential pressure sensor “PDMIX” and the flowmeter “RM” the gas flow and volume of the gas flowing into the TANK are measured (flow x time = volume). If a constant usable 'TANK' volume of 0.25 L is used then any given gas concentration can be mixed. The differential pressure sensor “PDMIX” and the absolute pressure sensor “PTANK” form a single functional unit. The output signal of the pressure sensor “PTANK” is used for the bridge supply voltage for “PDMIX”. The output voltage of “PDMIX” is evaluated on the PRIMUS CPU PCB (mixer).

5.5.3

PTANK (pressure sensor)

The pressure sensor “PTANK” has the following tasks: –

Tank pressure monitoring



Compensation for effect of ambient pressure fluctuations on flow metering with “PDMIX”.



Monitoring of flowmeter “RM” by means of the proportional pressure rise in “TANK”.

The pressure sensor “PTANK” has a resolution of 2 mbar and a maximum measuring range of 2.558 bar absolute. The pressure sensor “PTANK” also has a second amplification branch to the AD converter of the PRIMUS CPU PCB (mixer). To be able to measure higher pressures for service purposes, the resolution is 4 mbar per digit. The maximum measured value is 4.092 bar absolute. 5.5.4

VTANK valve

The tank vent valve “VTANK” opens when:

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O2 and AIR are missing.

5.5.5

VMGS (fresh gas flow valve)

The fresh gas flow valve is a proportional valve. It delivers a fresh gas flow of 0.2 L/min to 18 L/min. The flowmeter at the fresh gas outlet regulates the valve.

5.5.6

PDMGSHI / PDMGSLO (differential pressure sensors)

The differential pressure sensors each have a press-dependent resistance measuring bridge. The differential pressure sensors measure the flow through the flowmeter section “RMGS”. With the measured value the PRIMUS CPU (mixer) PCB regulates the fresh gas flow valve “VMGS”.

5.5.7

PSYS (pressure sensor)

The pressure sensor “PSYS” compensates for the effect of ambient pressure fluctuations on the flow metering of “PDMGSHI” and “PDMGSLO”. The pressure sensor “PSYS” has a resolution of 1 mbar.

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Function Description 5.5.8

VSWAK (A-cone valve)

Primus The A-cone valve actuated by the MIXER PCB has a bistable switching response. The valve is switched with a time-limited voltage pulse. The polarity of the voltage pulse determines the switching direction. The valve position is detected by a proximity sensor in the valve and monitored by the PRIMUS CPU (mixer) PCB.

5.5.9

VBAK (safety valve)

A mechanical safety valve for the A-cone valve. Opening pressure 80 mbar at 18 L/min +15%.

5.5.10 TEMPTANK / TEMPBLOCK (temperature sensors)

The volume of the gases “N2O, AIR, O2” is dependent on the temperature. Consequently, the measured values of the temperature sensors “NTC” are incorporated into the mixing process. The temperature sensors (“TEMPTANK”, “TEMPBLOCK”) used for temperature compensation generate voltages proportional to the temperature. The PRIMUS CPU (mixer) PCB compares and monitors the sensor voltages.

5.5.11 VSFC (safety O2 adjuster)

The safety O2 adjuster is located outside the mixer unit. With the manual safety O2 adjuster the user can set an additional O2 flow of 3 to 12 L/min r30%. When the overall system power-up test is running the flow adjuster must be closed. The operating status is registered by a microswitch in the safety O2 adjuster. The microswitch is plugged into the NEUTRAL POINT PCB. The signal is transmitted via the cable harness to the mixer.

5.5.12 VO2+ (flush button)

Mechanical flush button. Output min. 35 L/min.

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The function description relating to the VGC follows.

Primus 6

VGC

Function Description This section describes the VGC (Ventilation and Gas Controller). The VGC consists of the ventilator and the compact breathing system.

Figure 35 VGC position

The patient is ventilated by the VGC according to the ventilation mode and parameters set on the MCP. The VGC also measures the airway pressure and the inspiratory and expiratory flow (two flow sensors).

By way of the cable harness the VGC receives the following voltages and signals: All rights reserved. Copyright reserved.

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A cable harness connects the VGC with the NEUTRAL POINT PCB. From there, the VGC is connected to other Primus components.

5132.300



The unstabilized supply voltage of 18 V to 30 V.



The 12 V for the VGC fan (there immediately).



The 12 V for the pneutronics valves (there after approx. 10 seconds).



CAN bus.

59

Function Description

Primus

Legend to Figure 36

Item

60

Component

1

MV4 “Pneutronics”

2

MV2, calibration and venting

3

Electrical connections for inspiratory and expiratory flow sensor

4

Piston-cylinder unit.

5

VGC POWER PCB.

6

CPU PRIMUS PCB.

7

Electronics fan.

8

PRIMUS ANALOG PCB (VGC).

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Table 19

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Figure 36 Exploded view of VGC, legend Table 19

Primus

Function Description

Item

6.1

VGC electronics

Component

9

Bacterial filter.

10

Non-return valve RV3.

11

VGC pneumatic block.

12

Interface plate.

13

Interface plate fan.

14

Light barrier.

15

Breathing system heater contacts.

In the “Block diagrams” section, you will find a block diagram of the VGC electronics. The supply voltages required for the VGC to function (5 V, 15 V, +24 V) are generated by the VGC itself. The interface plate holds the connecting pneumatic tubes and the plug-in flow sensor connectors. The interface plate is the carrier for all other VGC components, and includes the breathing system lock. The complete interface unit is inserted from above into the VGC housing.

6.1.1

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6.1.2

5132.300

VGC POWER PCB

PRIMUS ANALOG PCB

The following functional units are provided on the PCB: –

5 V voltage regulator (Imax 2 A).



Driver for the DC motor (M2) of the piston cylinder unit (PCU).



Valve control.



Breathing system heater control. Temperature monitoring with 2 independent NTCs in the heater mat.



Control for the DC pump (M1). Output voltage 8 to 18 V.



Monitoring of the PCB supply voltages.

The following functional units are provided on the PCB: –

+15 V voltage regulator (Imax 300 mA). 15 V is only connected if 5 V is present.



-15 V voltage regulator (Imax ca. 100 mA).



PEEP valve control (0 to 430 mA).



Pressure measurement with two airway pressure sensors and a vacuum sensor.



12-bit A/D converter for the airway pressure sensors and the flow sensors.



Incremental encoder evaluation. Evaluation of direction of rotation, rotation angle and velocity of the PCU motor (M2).



Light barriers. One light barrier each for the end position of the PCU and for detection of a fully inserted ventilator drawer unit.

61

Function Description 6.2

Primus

Piston cylinder unit (PCU)

Figure 37 Piston cylinder unit layout, for legend see Table 20

Legend to Figure 37

62

Component

1

Breathing volume dependent on piston position.

2

Cylinder.

3

Rolling seal (loose).

4

Piston.

5

Diaphragm (fixed).

6

Piston motor.

7

Perforated disk for incremental encoder.

8

incremental encoder.

9

Rubber buffer.

10

Light barrier.

11

Spindle nut.

12

Spindle.

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Table 20

Primus

Function Description The items cited in the following text relate to Figure 37. The ventilator unit consists of a piston cylinder unit and two diaphragms. The vacuum for the rolling seal (3) comes from the pneumatic system of the VGC and is generated in the space between the cylinder (2) and the rolling seal (3). The spindle (12) is permanently fixed to the piston. The spindle nut (11) is permanently fixed to the hollow shaft axle of the piston motor. When the motor shaft, and thus the spindle nut, rotates the spindle is moved vertically. This sends a corresponding volume through to the compact breathing system and consequently to the patient. Also, the motor is permanently fixed with rubber buffers (9) to the drive housing. When the spindle nut rotates once, a volume displacement of 38.5 mL is produced. So to achieve a volume change of 1400 mL, around 37 revolutions are required. The piston motor (6) is powered by direct voltage and operated by way of the PCBs of the VGC. The actuator requires the signal from the incremental encoder (8). The incremental encoder has a resolution of 1024 pulses per motor revolution. When the VGC is switched on, the counter of the incremental encoder must be set. To do so, the piston is lowered until it reaches the light barrier (10). This position is then recorded as the reference position.

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Only when the vacuum is applied to the rolling seal is the piston motor activated. An exception is possible, however. If the roller diaphragm is not inserted, a vacuum may be created. The roller diaphragm can only be inserted without difficulty when the piston is at its bottom end position, however. If the control detects this state, it will slowly move the piston to the bottom end position in “Standby” mode. With software version 2.n or higher, the piston motor (6) is additionally switched on as an active brake as soon as the light barrier (10) is touched. This is to avoid that the spindle (12) gets stuck in the bottom end position.

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Function Description 6.3

Primus

VGC pneumatic block

Figure 38 Exploded view of VGC pneumatic system, legend Table 21

Legend to Figure 38 Components

1

PEEP valve “MV1”.

2

Restrictor “R2”.

3

Pump motor “M2” with vacuum pump “VP”.

4

Vacuum valve “Vu”.

5

Bacterial filter “BF”.

6

Volume “V” (2 containers).

7

Solenoid valve “MV3”“Pneutronics”.

The components of the pneumatic block are detailed in the following section.

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Table 21

Primus 6.4

VGC pneumatic system

Function Description In the “Block diagrams” section, you will find a detailed schematic of the Primus pneumatic components.

Figure 39 VGC pneumatic system and breathing system, for legend see Table 22

Table 22

Legend to Figure 39

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Item

5132.300

Component/Meaning

5

VGC ventilator unit.

6

Breathing system.

I

Fresh gas inlet.

II

From A-cone valve (if fitted).

E

Ejector.

BF

Bacterial filter.

M2

Vacuum pump motor.

MV1

PEEP/Pmax valve.

MV2

Calibration and vent valve.

MV3

Breathing system/A-cone outlet switching valve.

MV4

PEEP valve/control valve.

65

Function Description

Primus

Item

Component/Meaning

PAWe

Expiratory airway pressure sensor.

Pu

Vacuum sensor.

R1

Restrictor to smooth pressure peaks.

R2

Restrictor to reduce vacuum (when pump “VP” is off).

RV3

KZE vacuum non-return valve.

V

Volume.

VP

Vacuum pump.

The position numbers mentioned in this section refer to Figure 39. The vacuum sensor “Pu” is connected to the intake side of the vacuum pump “VP”. In operation, the vacuum sensor “Pu” measures the vacuum for the roller diaphragm of the KZE. Another port is connected during operation to the switching valve “V2”“AUTO-MAN/SPONT”. When the vacuum pump is running, the software checks the pressure value at the vacuum sensor “Pu”. The drive motor is only activated if the vacuum pump is able to build up a vacuum of between 120 mbar and 250 mbar (hPA). The vacuum pump “VP” draws the air in through the bacterial filter “BF”. The following valve “Vu” is preset to approx. 200 mbar. The air is pumped in two consecutive volumes “V”. To smooth pressure peaks, the outlet of the volumes is designed as a fine hole “R1”. From there, the gas flows through the PEEP valve “MV1”. If the PEEP valve is not actuated, the integral ejector “E” generates a low-level vacuum in its control line. This smoothes the zero of the PEEP characteristic.

When the user switches the ventilation mode from automatic ventilation to “MAN/SPONT”, the vacuum pump is switched off. The vacuum is reduced with “R2”. The non-return valve “RV3” prevents the vacuum in the diaphragm volume from being reduced too. This considerably reduces the switching time from automatic ventilation to “MAN/SPONT”. At the same time, “RV3” also prevents a reduction of the vacuum in the diaphragm volume in “MAN/SPONT” mode. The vacuum can then be built up faster when the user switches to an automatic ventilation mode.

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With valve “MV2” the system is calibrated and vented.

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So that the vacuum is reduced when the vacuum pump is shut off, the vacuum valve is bridged by a restrictor “R2”.

Primus 6.5

Function Description

Interface plate

Figure 40 Layout of interface plate measuring points, for legend see Table 23

Table 23

Legend to Figure 40 and Figure 41

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Item

5132.300

Connection/Meaning

1

Pressure sensor “Pz”.

2

Fresh gas outlet.

3

Anesthetic gas scavenging system AGSS.

4

ILCA suction device (optional).

5

PEEP valve “V1”.

6

APL bypass valve “V2”.

7

“PAWe” / “MV2”.

8

ILCA sampling gas return line (optional).

9

Expiratory flow sensor (electric).

10

IRIA sampling gas return line.

11

Inspiratory flow sensor (electrical).

12

A-cone airway pressure.

13

IRIA sampling gas return line.

14

Fresh gas.

67

Function Description

Primus

Item 15

Connection/Meaning Piston of piston cylinder unit.

The following diagram Figure 41 permits allocation of the measuring points/connections on the interface plate to the pneumatic components diagram.

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Figure 41 Allocation of measuring points/connections, for legend see Table 23

Primus 6.6

Breathing system

Function Description There can be two different types of breathing systems. The difference lies in the design of the APL valve (adjustable pressure-limiting valve, see Figure 42).

Figure 42 APL valves, new type (1) and old type (2)

The new type (Figure 42/2) has a toggle mechanism for toggling between MAN and SPONT mode. The new type (Figure 42/1) uses a locking function.

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This results in different types of breathing system covers (see breathing system cover Figure 43/1). The valve plate (Figure 43/5) and the breathing system block (Figure 43/6) remain unchanged.

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Primus

Figure 43 Overview of the breathing system, see legend Table 24

Legend to Figure 43

Item

70

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Table 24

Component

1

Breathing system cover with fixing screws.

2

Valve “RV1”.

3

Breathing system heater contacts.

4

Valve “RV2” (new design).

5

Valve plate.

6

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Function Description

Primus

Function Description

Item

Component

7

Fixing screws.

8

Absorber canister.

9

Absorber element.

10

Expiratory flow sensor “Flowe”.

11

Connection for manual breathing bag “Bag”.

12

Expiratory socket.

13

Inspiratory socket with downstream inspiratory flow sensor “Flowi”.

14

APL bypass valve “V2”.

15

Valve “V1”, PEEP diaphragm.

16

Expiratory valve “Ve”.

17

Inspiratory valve “Vi”.

18

“APL” valve, new type.

19

“APL” valve, old type.

The compact breathing system permits the following ventilation modes: –

Manual ventilation.



Spontaneous breathing.



Automatic, pressure-limited ventilation modes (IPPV, SIMV and PCB) or “Volume Mode” and “Pressure Mode” with optional synchronization and pressure support.



(Optional) pressure-assisted ventilation “Pressure Support” for spontaneously breathing patients.

The switch of the APL valve can be set to MAN or SPONT. In the “MAN” position, the breathing system is closed to atmosphere. The APL valve opening pressure can be adjusted from 5 to 70 hPa (mbar). This switch setting is the default for manual ventilation.

The pressure limitation “Pmax” can also be adjusted between 20 hPa (mbar) and 70 hPa (mbar) on the GUI during automatic ventilation. The following section permits allocation of the components to the pneumatic components diagram. All rights reserved. Copyright reserved.

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In the “SPONT” position the APL valve is open to atmosphere. This switch setting is the default for spontaneous breathing.

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Function Description 6.6.1

Compact breathing system pneumatic components

Primus In the “Block diagrams” section, you will find a detailed schematic of the Primus pneumatic components.

Figure 44 Breathing system and VGC pneumatic components, for legend see Table 25

Legend to Figure 44

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Component

6

Breathing system pneumatic components.

A

Absorber

V2

APL bypass valve.

APL

APL valve.

Ve

Expiratory valve.

PAWe

Expiratory pressure sensor.

FLOWe

Expiratory flow sensor.

FG

Fresh-gas port.

RV1

Fresh-gas decoupling valve.

BAG

Breathing bag.

Vi

Inspiratory valve.

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Item / Abbreviation

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Table 25

Primus

Function Description

Item / Abbreviation

6.7

Automatic ventilation

Component

Pz

Inspiratory pressure sensor.

FLOWi

Inspiratory flow sensor.

Piston cylinder unit

Piston cylinder unit.

AGSS

Anesthetic gas scavenging system.

V1

PEEP valve.

RV2

AGSS non-return valve.

A prerequisite for automatic ventilation (IPPV/PCV or “Volume Mode” and “Pressure Mode”) is that the patient is supplied with a sufficient amount of fresh gas. The APL bypass valve “V2” is actuated by the VGC and is open. The setting of the APL valve has no effect in automatic ventilation. The pressure limit (Pmax) is adjustable on the GUI.

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6.7.1

Inspiration

Figure 45 Block diagram of mandatory inspiration

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Function Description

Primus The abbreviations occurring in the following text relate to Figure 45 . Mandatory inspiration process: –

The fresh gas isolation valve “RV1” is closed.



The PEEP valve “V1” is closed during inspiration. Depending on the preset maximum pressure “Pmax”, an appropriate control pressure is applied to the PEEP valve.



The piston of the PCU rises according to the preset parameters (F, VT, I:E...). The mixed gas (expiratory gas and fresh gas) flows through the inspiratory valve “Vi”, the flow sensor “Flowi”, the inspiratory patient tube, and through the Y-piece into the patient’s lung.



The inspiratory pressure is measured.



For inspiratory compliance only the volume between “RV1”, “Vi” and “V1” is active.



The manual breathing bag serves as a mixed gas reservoir.

If the ventilation pressure exceeds the maximum pressure (Pmax) set on the GUI, the PEEP “V1” opens. The gas from the patient's lung flows either into the manual breathing bag or through the open APL bypass valve “V2”. Depending on the non-return valve opening pressure “RV2”, the mixed gas flows into the anesthetic gas scavenging system AGSS. Advantage of this method:

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The fresh gas isolation valve “RV1” minimizes the inspiratory compliance (without absorber and manual breathing bag).

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Primus 6.7.2

Function Description

Expiration

Figure 46 Block diagram of mandatory expiration

The abbreviations mentioned in this chapter refer to Figure 46.

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Mandatory expiration process:

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The PEEP valve “V1” opens.



The motor of the PCU is activated such that the piston follows the physiological expiration curve. This means the patient is able to exhale at an optimum flow rate.



The downward movement of the piston opens “RV1”.



“Vi” is closed, and prevents breathing back into the inspiratory branch.



The expiratory flow flows through the expiratory flow sensor “Flowe”, the PEEP control valve “V1”, the expiratory valve “Ve” and the absorber and back into the piston chamber of the piston cylinder unit.



The patient gas is additionally enriched with fresh gas.



Surplus mixed gas flows into the manual breathing bag or through the APL bypass valve “V2” and the non-return valve “RV2” into the anesthetic gas scavenging system AGSS.

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Function Description

Primus

The gas loss through the AGSS valve is minimized, because no nonphysiological overpressure is created in the expiratory phase.



The fresh gas consumption via the absorber is high as long as the fresh gas flow is lower than the minute tidal volume “AMV”.



No non-physiological overpressure in the expiration phase. Consequently there is also no intake of the diaphragm by “V1” (PEEP valve in breathing system).

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Advantages of flow-optimized piston guidance:

Primus 6.8

Manual ventilation

Function Description During manual ventilation of the patient, the switch of the APL valve is set to the MAN position. Only the warnings/alarms for the lower O2 alarm, for the upper airway pressure (Paw) and for CO2 are enabled. The piston of the VGC is in the upper end position in order to reduce the dead space volume of the ventilator. The APL bypass valve “V2” is not actuated and is closed.

6.8.1

Inspiration

The expiratory valve “Ve” is closed during the inspiratory phase. Manual inspiration process:

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Figure 47 Block diagram of manual inspiration

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When the manual breathing bag is compressed, the mixed gas (expiratory gas and fresh gas) flows through the absorber, the fresh gas isolation valve “RV1”, the inspiratory valve “Vi” and the flow sensor “Flowi” and then into the patient’s lung.



The pressure sensor “PAWe” measures the airway pressure.



The APL valve limits the ventilation pressure.



The surplus mixed gas flows via the APL valve and the non-return valve “RV2” into the anesthetic gas scavenging system AGSS.

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Function Description 6.8.2

Primus

Expiration

Figure 48 Block diagram of manual expiration

The inspiratory valve “Vi” is closed, and prevents expiratory gas from flowing back into the inspiratory branch.

When the pressure is relieved from the manual breathing bag, the expiratory gas flows through the expiratory flow sensor “Flowe”, the PEEP control valve “V1” and the expiratory valve “Ve” and then into the manual breathing bag.



At the same time, fresh gas flows continuously during inspiration and expiration into the manual breathing bag.

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Manual expiration process:

Primus 6.9

Spontaneous breathing

6.9.1

Inspiration

Function Description During spontaneous breathing of the patient, the switch of the APL valve is set to the SPONT position. No gas pressure builds up in the compact breathing system. Only the warnings/alarms for the lower O2 alarm, for the upper airway pressure (Paw) and for CO2 are enabled. The piston of the KZE is moved to the upper end position in order to reduce the dead space volume of the ventilator. The APL bypass valve “V2” is not actuated.

Figure 49 Block diagram of spontaneous inspiration

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The expiratory valve “Ve” is closed during the inspiratory phase, and so prevents inhalation of expiratory gas with CO2.

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The patient inhales independently. During inhalation, the gas flows out of the manual breathing bag through the absorber and is additionally enriched with fresh gas. The enriched mixed gas passes through the fresh gas isolation valve “RV1”, the inspiratory valve “Vi” and the inspiratory flow sensor “Flowi” and then enters the patient’s lung.

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Function Description 6.9.2

Primus

Expiration

Figure 50 Block diagram of spontaneous expiration

During expiration, the inspiratory valve “Vi” remains closed thus preventing the expiratory gas from flowing back into the inspiratory branch.

During exhalation, the expiratory gas flows out of the patient’s lung through the expiratory flow sensor “Flowe”, the PEEP control valve “V1” and the expiratory valve “Ve” into the manual breathing bag and the absorber.



At the same time, fresh gas flows into the breathing bag.



If the pressure in the manual breathing bag is greater than the opening pressure of “RV2”, the surplus gas mixture flows into the anesthetic gas scavenging system AGSS. All rights reserved. Copyright reserved.



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Spontaneous expiration process:

Primus 7

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7.1

Ventilation modes with software version 2.n or higher

Function Description As of Primus software version 2.n, the ventilation modes terms for synchronization and pressure support of spontaneously breathing patients will be changed into the four following terms: –

“Volume Mode”.



“Pressure Mode”.



“Pressure Support Mode” (optional).



“Man./Spont Mode”.

“Volume Mode” Ventilation mode

Intended use

Volume-controlled ventilation mode with fixed mandatory tidal volume “VT” and frequency “Freq.”, including switchable synchronization and adjustable pressure support for spontaneous breaths (optional “Pressure Support”).

Anesthesia in relaxed or partially relaxed patients with healthy lungs and in patients with cranio-cerebral trauma. The goal is to maintain a constant volume or a constant “et CO2”.

Figure 51 Volume-controlled ventilation with constant inspiratory flow

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Function Description

Primus The following parameters determine the breathing cycle (see Figure 51): –

Frequency “1/freq”.



Inspiratory time “Tinsp”.



Inspiratory flow level.



Inspiratory pause time “TIP:Tinsp”.



Tidal volume “VT”.

The flow trigger sensitivity controls the synchronization. The maximum time delay between the controlled ventilation breaths is adjusted by means of the frequency. To keep the frequency constant in the event of a premature triggering, the time is equalized in the next ventilation cycle. A ventilation breath triggered by the patient is indicated by a continuous line (Figure 52/1) in the pressure curve and in the flow curve (trigger indicator). The active flow trigger window (Figure 52/2) corresponds to the last 25% of the relevant expiratory time.

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Synchronization is activated as soon as a trigger sensitivity value is entered. The message “sync” is displayed in the ventilation mode status field on the screen.

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Figure 52 Synchronization of volume-controlled ventilation and spontaneous breathing

Primus

Function Description

Figure 53 Synchronization of volume-controlled ventilation and “Pressure Support” of spontaneous breathing

Pressure support is activated if, during volume-controlled ventilation, a value is entered for the level of the pressure support “'pps”.

The flow trigger sensitivity and the “'pps” level control the synchronization or the pressure support. The maximum time delay between the controlled ventilation breaths is adjusted by means of the frequency. To keep the frequency constant in the event of a premature triggering, the time is equalized in the next cycle. If, at the time of pressure support activation, the patient was being ventilated without synchronization, automatic activation of the synchronization is initiated with the last trigger setting used.

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The message “PressSupp” is displayed in the ventilation mode status field on the screen.

If pressure support is deactivated with “OFF”, the synchronization is maintained with the set value. If the trigger is deactivated with “OFF”, then the pressure support will be deactivated automatically.

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Function Description 7.2

Primus

“Pressure Mode” Ventilation mode

Intended use

Pressure-controlled ventilation with decelerating flow (PCB), with synchronization of mandatory breaths (SIMV-PC) and with pressure support of spontaneous breathing (“Pressure Support”).

Anesthesia in patients suffering from a lung disease (inhomogeneous lung), neonates, children mask ventilation, pulmonary fistulae, laryngeal masks, inversed ratio ventilation, in relaxed or partially relaxed patients.

A continuous flow is applied to the patient during the inspiratory time “Tinsp”. The curve's rate of rise can be preset with the slope increase time “TSlope”. The maximum time delay between the controlled ventilation breaths is adjusted by means of the frequency. To keep the frequency constant in the event of a premature triggering, the time is equalized in the next cycle. Changes to the lung compliance and the ventilation parameters affect the tidal volume.

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Pressure-controlled ventilation with fixed pressure limit “Pinsp” and frequency “1/freq”. Synchronization and adjustable pressure support of spontaneous breaths (optional) are switchable.

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Figure 54 Pressure-controlled ventilation with decelerating flow

Primus

Function Description

Figure 55 Synchronization of pressure-controlled ventilation and spontaneous breathing

Synchronization is activated as soon as a trigger value is entered. The message “sync” is displayed in the ventilation mode status field on the screen.

A breath triggered by the patient is indicated by a continuous line (Figure 55/1) in the pressure curve and in the flow curve (trigger indicator). The active flow trigger window (Figure 55/2) corresponds to the last 25% of the relevant expiratory time. All rights reserved. Copyright reserved.

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The flow trigger sensitivity controls the synchronization.

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Function Description

Primus

Figure 56 Synchronization of pressure-controlled ventilation and “Pressure Support” of spontaneous breathing

Activation of pressure support during pressure-controlled ventilation is initiated by entering a value for the pressure support level “'pps”. The message “PressSupp” is displayed in the ventilation mode status field on the screen. The flow trigger sensitivity and the “'pps” level control the synchronization or the pressure support.

If the trigger is deactivated with “OFF”, then the pressure support will be deactivated automatically.

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If pressure support is deactivated with “OFF”, the synchronization is maintained with the set value.

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If, at the time of pressure support activation, the patient was being ventilated without synchronization, automatic activation of the synchronization is initiated with the last “trigger” setting used.

Primus 7.3

“Pressure Support Mode”

Function Description The ventilation mode “Pressure Support Mode” is an optional feature that must be activated.

Ventilation mode

Intended use

Anesthesia in spontaneously breathing patients with laryngeal masks during surgeries without muscle relaxThe patient's spontaneous breathing effort is sup- ants. ported by the following factors: Pressure support for spontaneous brathing. This option can be used in all mechanical ventilation modes. At the same time, this option is an independent ventilation mode.



The flow trigger sensitivity controls the synchronization.



The adjusted pressure setting is a measure of the pressure support.

The curve's rate of rise can be preset with the slope increase time “Tslope”. In addition, an apnea ventilation can be set via the minimum frequency “Freqmin”.

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If the patient does not breathe spontaneously, the ventilator is activated automatically dependent on the set minimum frequency “Freqmin”. The subsequent ventilation breath is not a mandatory ventilation breath. The patient can always stop the mandatory ventilation breath by his/her own breathing activity.

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Function Description

Primus

Figure 57 Spontaneous breathing support

The flow trigger sensitivity and the “'pps” level control the synchronization or the pressure support of the spontaneous breathing effort. The curve's rate of rise can be preset with the slope increase time “Tslope”.

“Man./Spont Mode” Ventilation mode Manual ventilation or assisted ventilation and spontaneous breathing.

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Intended use Anesthesia induction/recovery and in emergency situations.

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7.4

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In addition, an apnea ventilation can be set via the minimum frequency “1/freqmin”. “1/freqmin” controls the automatic triggering of the ventilator when the patient is not breathing spontaneously. It is not a mandatory ventilation breath from the ventilator. The patient can always stop the breath triggered by the ventilator by his/her breathing activity. This breath is not provided with a trigger indicator.

Primus 7.5

Switching ventilation modes

Function Description When switching to another ventilation mode, the presettings of the previous mode's parameters are transferred or usefully derived. Identical parameters in both ventilation modes (Freq., TINSP, PEEP, 'pps, trigger) are transferred directly.

Switching ventilation modes

Transfer of settings

Volume-controlled to pressure-controlled.

The measured parameter “Pplat” is applied as new parameter “Pinsp”.

Pressure-controlled to volume-controlled.

The new tidal volume “VT” is transferred from the measured minute volume “MV” and the set frequency “Freq.”. Only the mechanically applied minute volume is used in this case. Pressure-supported breaths by the patients are not taken into consideration.

Automatic ventilation modes to “Pressure Support” (optional).

The set PEEP, “'pps” and trigger are transferred.

Pressure support (optional) to automatic ventilation modes.

The set PEEP, “'pps” and the trigger are transferred.

If “'pps” and/or trigger were set to “OFF”, the most recently used values are transferred to pressure support, otherwise the configured default settings.

The other parameters correspond to the most recently used settings, otherwise to the configured default settings.

7.6

HLM mode

The HLM mode (“HLM” = heart-lung machine) enables an alarm-free patient monitoring during extracorporeal oxygenization of the patient by means of a heart-lung machine.



All gas concentrations are measured independent of the breathing phase.



The CO2 apnea alarm, the pressure apnea alarm, and the SpO2 monitoring alarms are deactivated.

The HLM mode remains active when switching from one ventilation mode to another. Switching to standby mode will deactivate the HLM mode. The function description relating to the Power pack follows.

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The following conditions apply in the HLM mode:

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Function Description Primus

Primus 8

Power pack

Function Description This section describes the power pack. The power pack comprises the electronics component and two UPS batteries (UPS = Uninterruptible Power Supply).

Figure 58 Power pack position

In the 'Block diagrams' section you will find a block diagram of the power pack.

Power pack input

The power pack generates the direct voltage for the Primus components and the charging voltage for the UPS batteries. The power pack input processes alternating voltages from 85 to 265 V (45 to 65 Hz). In the event of a power failure or power pack failure, an automatic switch is made to the UPS. The connection to the mains voltage is via a 16 A inlet connector for non-heating apparatus.

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8.1

The inlet connector for non-heating apparatus is protected by a mechanical locking device (to EN 740) to prevent it being pulled out unintentionally. The power pack has a grounding connection with a 6.3 mm contact.

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Function Description 8.2

Primus

Power switch

Figure 59 Power switch position

The power switch is connected via the NEUTRAL POINT PCB to the power pack. The power switch switches an auxiliary voltage of 5 V.

8.3

Output voltages and currents

The power pack delivers the following output voltages: –

3x 20 to approx. 30 Volts (battery voltage)



3x regulated output voltage of 12 Volts.

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Unit on

Unit off

applies to:

U1: 24 V, 10 mA

Always present

Battery-buffered RAM in GUI

U2: 24 V, 10 VA

Present as soon as mains plug is connected or unit is switched on.

Pressure sensors of CS and compressed gas cylinders. CS LEDs, mixer LEDs

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Voltage

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The voltages are battery-buffered.

Primus

Function Description

Voltage U3: 24 V, 123 A U4: 12 V, 110 A

U5: 12 V, 10 VA U6: 12 V, 10 VA

Unit on Present 10 seconds after the power switch is switched on (independent of mains voltage). Present as soon as the unit is switched on.

Unit off

applies to:

Releases with - GUI - Mixer - VGC a delay of approx. 10 s - IRIA - ILCA - VGC after operation small pneutronic of the switch valves Fan for VGC and mixer Fan for IRIA and optical Diva

A higher power demand than 600 W is supplied from the batteries. The switched output voltages (U3 to U6) release with a delay after operation of the switch. The delay is 10 seconds, but can be altered with the CAN protocol to between 5 and 15 seconds. The power pack is short-circuit-proof and shuts off if operating current = Imax and U < Umin for t > 20 ms.

8.4

Secondary connector

The connector for the voltage outputs is a 24-pin plug. The connector additionally carries the CAN signals, the switching contacts of the power switch and the control wires for the power and battery LEDs on the front panel.

8.5

UPS batteries

The two UPS batteries are fitted separately in the housing, behind the power pack. The battery capacity is sufficient to run the Primus for at least 30 minutes. The Primus power pack performs an automatic battery test every 30 days. The battery test has no effect on the operation of the Primus. In testing, the batteries are discharged by 20% of the available capacity. The battery condition is determined from the resultant battery curve.

The battery charging management system prevents exhaustive discharge. If the battery voltage falls below 20 V the power pack shuts down the Primus. If the battery voltage is below 20 V the power pack cannot be powered up.

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The charging time for fully discharged batteries is a maximum of 10 hours. The batteries’ charging management system takes into account the battery temperature. The battery temperature is measured with a temperature sensor (NTC) directly at the batteries.

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Function Description 8.6

Power pack CAN communication

Primus With the CAN (Controller Area Network) bus data can be exchanged between the power pack and the other modules. The higher-level software protocol is SABUS (Sensor and Actuator BUS). The power pack has a CAN 2.0 B compatible interface. The interface transfers data and status information in both directions. The power pack sends its data periodically, every 500 ms, to the GUI. The power pack CAN bus transfers the following data:

8.7

Power failure warning



Power pack version



Power pack hours. Total time in operation of power pack.



Battery hours. Power pack operating time in battery mode. The figure is given in Ah (Ampere hours).



Time remaining: Indicates the time remaining in seconds until the power pack will shut off.



Battery type: Indication of battery type.



Power pack details: e.g. self-test errors.



Date: To determine how long the unit was switched off.



Switch power pack off. The power pack shuts when the remaining time expires. The shut-off is aborted as soon as the value “0” (->switch off power pack = no) is received by the power pack.

The power pack hooter sounds under the following conditions: –

About 1 second after power-up for about 1 second.



If the “Hooter on” error is delivered over the CAN bus. For as long as the CAN controller is in “Reset” mode.



When the power switch is set to “On” and the batteries are flat or have been removed.



If no CAN messages are received for the power pack during operation for more than 15 seconds after receipt of the first CAN message.



In case of power failure.

The hooter sounds for as long as the error condition persists, up to a maximum of 30 seconds +-5 seconds.

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The function description relating to the operating modes follows.

Primus

Function Description

9

Operating modes

This section details the individual operating modes of the Primus.

9.1

Cold start

When the Primus is switched on, the unit starts up with a so-called cold start. During the cold start the user checks and confirms the checklist on the display. Then the user is prompted to connect the Y-piece to the patient unit and set the APL valve to 30 mbar (MAN setting). In the self-test which follows the unit checks its system components. Any errors detected are indicated on the display. If no errors occurred, the Primus switches to “ready”. The self-test can be interrupted for an emergency start.

9.2

Standby mode

When the self-test is completed, standby mode is automatically activated. In this operating mode no CS gas is consumed. No fresh gas supply is possible (except for fresh gas through the safety O2 adjuster “VSFC”). The user can select all ventilation parameters, the fresh gas flow setting and the ventilation mode. Alarms and messages are indicated on the display.

9.3

Shutdown

All Primus components are switched off from the central power switch. Only the charging circuit for the UPS batteries is permanently in operation. When the Primus is off, the following alarms are inactive:

9.4

Safety mode



Mains power failure



CS pressure failure

If the software detects a serious error during fresh gas supply or ventilation, individual components (such as the mixer) or the entire Primus unit switch to safety mode. In safety mode it is possible to provide the patient with manual ventilation or spontaneous breathing. The fresh gas is then supplied by the adjustable safety O2 flow control valve “VSFC”.

Safety O2 flow

The safety O2 flow is usually set by the user with the safety O2 adjuster and routed through the vaporizer. The patient is supplied with O2 (4 L/min to 12 L/min) by the “VSFC”. As a result, anaesthetic gas metering is possible. This operating mode is usually activated by the user under the following conditions:

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9.4.1



In case of a total system failure. Primus switches to Safety mode.



Power failure or UPS batteries flat.

In this case the control range of the O2 flow is 4 L/min to 12 L/min. If the safety O2 flow is activated in normal mode, a warning appears on the display. The mixer electronics additionally limit the fresh gas flow to 3 L/min. The fresh gas settings are then greyed on the display (from software release 1.n).

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Function Description 9.5

Alarm system

Primus The Primus has a common alarm system for visual and acoustic indication of ventilator and monitoring alarms. Error messages are indicated on the display. There are three categories of alert: –

Alarm (category I)



Warning (category II)



Notification (category III

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The function description relating to the cylinder pressure reducers follows.

Primus 10

Cylinder pressure reducer

Function Description This section describes the pressure reducer for the high-pressure cylinders (option).

Table 26

Legend to Figure 60

Abbreviation

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Figure 60 Sectional drawing of cylinder pressure reducer; for legend see Table 26

Function

H

Adjusting screw

Fst

Adjusting spring force

M

Diaphragm

Fpa

Press force

pem

Sensor/pressure gauge connection

pe

Input pressure

pa

Low pressure

Vs

Valve seat

Vk

Valve cone

The abbreviations occurring in the following text relate to Figure 60 .

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Function Description

Primus The following pressure reducer types exist: –

AIR, from 200 bar to 5 bar



O2, from 200 bar to 5 bar



N2O, from 60 bar to 5 bar

The diaphragm (M) regulates the pressure. When the adjusting screw “H” is at the anti-clockwise stop limit the adjusting spring force “Fst” is at its lowest. The valve cone “Vk” is pressed into the valve seat by the spring underneath it and interrupts the gas flow.“pa” rises. When the adjusting screw (H) is turned clockwise the adjusting spring force (Fst) increases. The valve cone is pressed down by the diaphragm, the valve opens and the low pressure “pa” rises. A constant low pressure “pa” results from the equilibrium of forces (Fpa = Fst). The low pressure is preset to between 5 and 6 bar (USA = 2.7 bar and 3.5 bar). If the low pressure drops, the force “Fpa” decreases and the adjusting spring force “Fst” opens the valve. If the low pressure rises, the force “Fst” increases and compresses the adjusting spring. The valve is closed accordingly.

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The pre-tension of the spring is set by the manufacturer, and can be adjusted by the DrägerService technician.

Primus

Function Description If the valve cone does not close, the internal blow-off valve “Sv” limits the low pressure (see Figure 61). The opening pressure is between 6.6 bar and 8.5 bar.

The function description relating to the vaporizer follows.

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Figure 61 Sectional drawing of blow-off valve

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Function Description Primus

Primus 11

Vaporizer

Function Description The interlock system prevents two vaporizers from operating simultaneously. The active vaporizer enriches the mixed gas with anaesthetic.

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For a detailed description refer to the relevant Instructions for Use of the vaporizers used.

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Function Description Primus

Bronchial aspirator

Function Description

12

Bronchial aspirator

12.1

Intended use

The bronchial aspirator is intended for use with the Primus and Zeus anesthetic workstations. The driving gas is AIR, O2, or VAC (vacuum), depending on the type of bronchial aspirator.

12.2

Device types

The device types are designed as stand-alone devices. The following device types are currently available:

12.2.1 Variants

Bronchial aspirator with ejector



Bronchial aspirator with vacuum

The following variants are available: –

NIST variant. Can be installed on rail system or on devices with appropriate mounting option.



Pipeline connector variant. The bronchial aspirator is plugged directly into the pipeline terminal unit.

Bronchial aspirator with ejector

Figure 62 Front view of the bronchial aspirator with ejector

The front panel has the following parts: All rights reserved. Copyright reserved.

Version 1.1_ Released_Printed on_02.06.06_F5312010T01_AIR_O2_VAC.fm

12.3





Pressure gauge (Figure 62/1)



Rotary knob for setting aspiration flow (Figure 62/2)



Rotary knob for fine adjustment of regulated aspiration flow (Figure 62/3)

The system vacuum is indicated on the control element (pressure gauge).

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Function Description

Bronchial aspirator

12.3.1 Pneumatics (ejector)

Figure 63 Pneumatics of the bronchial aspirator with ejector

Table 27

Legend to Figure 63

Pos.

Meaning

1

Supply pressure connector (O2/AIR-NIST or AIR-NIST or O2/AIR pipeline connector)

2

Operating mode selector

3

Control valve

4

Ejector

5

Pressure gauge

6

Non-return valve (bacterial filter mount)

7

bacterial filter

8

Collector

The driving gas (AIR or O2) enters into the bronchial aspirator through the supply pressure connector.



OFF (valve position “b”). The bronchial aspirator is switched off.



Regulated flow (valve position “a”). The driving gas passes through the control valve (3). The control valve adjusts the ejector driving gas thus generating the required vacuum.



Maximum flow (valve position “c”). The supply pressure is fed directly to the ejector. This generates a maximum vacuum in the suction system.

The non-return valve (6) is used as a mount for the bacterial filter. In the event of malfunctions, the non-return valve makes sure no positive pressure is present in the vacuum system.

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The operating mode selector (2) is used to select the following operating modes:

Version 1.1_ Released_Printed on_02.06.06_F5312010T01_AIR_O2_VAC.fm

The position numbers and valve positions mentioned in this chapter refer to Figure 63.

Bronchial aspirator

Function Description The bacterial filter (7) makes sure that no particles or bacteria from the collector (8) enter the suction system. The filter material can block fluids up to a vacuum pressure of 920 mbar. The pneumatic circuit has the following advantages:

12.4



In the “regulated flow” position only as much driving gas is used as required to generate the vacuum.



Fast toggling between regulated flow and maximum flow.



Less noise by reduced gas consumption.



No suction flow loss by bypass openings.

Bronchial aspirator with vacuum

Figure 64 Front view of the bronchial aspirator with vacuum



Pressure gauge (Figure 64/1)



Vacuum regulator (Figure 64/2)



Operating mode selector (Figure 64/3)

The system vacuum is indicated on the control element (pressure gauge).

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The front panel has the following parts:

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Function Description

Bronchial aspirator

12.4.1 Pneumatics (vacuum)

Figure 65 Pneumatics of the bronchial aspirator with vacuum

Table 28

Legend to Figure 65

Pos.

Meaning

1

VAC connector (VAC-NIST or VAC pipeline connector)

2

Operating mode selector

3

Vacuum regulator

4

Pressure gauge

5

Non-return valve (bacterial filter mount)

6

bacterial filter

7

Collector

The vacuum enters into the bronchial aspirator through the VAC connector (1).



OFF (valve position “b”). The bronchial aspirator is switched off.



Regulated flow (valve position “a”). The generated vacuum depends on the position of the vacuum regulator (3). The vacuum is indicated by the pressure gauge (4).



Maximum flow (valve position “c”). The vacuum is fed directly to the nonreturn valve (5). This generates a maximum vacuum in the suction system.

The non-return valve (5) is used as a mount for the bacterial filter.

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The operating mode selector (2) is used to select the following operating modes:

Version 1.1_ Released_Printed on_02.06.06_F5312010T01_AIR_O2_VAC.fm

The position numbers and valve positions mentioned in this chapter refer to Figure 65.

Bronchial aspirator

Function Description The bacterial filter (6) makes sure that no particles or bacteria from the collector (7) enter the suction system. The filter material can block fluids up to a vacuum pressure of 920 mbar.



Fast toggling between regulated flow and maximum flow.



High-quality vacuum control.



No suction flow loss by bypass openings.

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Version 1.1_ Released_Printed on_02.06.06_F5312010T01_AIR_O2_VAC.fm

The pneumatic circuit has the following advantages:

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Function Description Bronchial aspirator

Version 3.0_ Released_Printed on_02.06.06_F5132300T12_Blockschaltbilder.fm

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Introduction

13.1

Figure 66 Primus block diagram, detailed

The following block diagrams and the pneumatic components layout are component elements of the function description of the Primus.

Block diagrams and pneumatic components layout

13

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Primus Function Description

109

110

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Figure 67 MoBi block diagram

Function Description Primus

Version 3.0_ Released_Printed on_02.06.06_F5132300T12_Blockschaltbilder.fm

Figure 68 S-Box, block diagram, detailed

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Primus

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Function Description

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112

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Figure 69 PGM pneumatics diagram, detailed

Function Description Primus

Version 3.0_ Released_Printed on_02.06.06_F5132300T12_Blockschaltbilder.fm

Figure 70 PGM2 pneumatics diagram, detailed

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Primus

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Function Description

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Figure 71 PGM2 block diagram

Function Description Primus

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Figure 72 MOPS PCB block diagram

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Primus

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Function Description

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Figure 73 VGC block diagram

Function Description Primus

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Figure 74 CPU PRIMUS PCB block diagram, installed in mixer and VGC

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Primus

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Function Description

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Figure 75 Mixer PCB block diagram

Function Description Primus

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Figure 76 Power pack/UPS block diagram

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Primus

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Function Description

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Function Description Primus

Maintenance Procedures

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Primus 1

Maintenance Procedures

Safety precautions WARNING Risk of explosion! Always make sure parts which come into contact with oxygen are free of grease and oil prior to fitting.

WARNING Hazardous voltage! Do not touch live conductors/parts when Primus’ power plug is plugged into the AC outlet. Switch off the Primus at the power switch (main switch). Unplug the power plug from the non-heating apparatus socket on the power pack. To do so, turn the mechanical guard aside.

CAUTION Electrostatic discharge! Electrostatic discharge may damage electrostatic sensitive devices. When handling electrostatic sensitive devices always use an anti-static mat and a wrist strap.

WARNING

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Function and safety tests after servicing! After carrying out servicing work, perform a function test and a test of electrical safety.

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Maintenance Procedures Primus

Primus 2

Rear panel

2.1

Rear panel removal

Maintenance Procedures

1. Follow the safety instructions (see Safety precautions). 2. Remove the five rear panel fixing screws (see Figure 1).

Figure 1

Rear panel fixing screws

3. Withdraw the rear panel from the unit and place it down safely.

2.2

Rear panel fitting

1. Re-assemble using the reverse (logical) sequence of that used for disassembly.

2.2.1

Rear panel final check

1. Are all screws fixed? 3. Electrical safety test.

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2. Is the rear panel fitted in place without mechanical strain?

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Maintenance Procedures Primus

Primus 3

Replacing bronchial suction device bacterial filter

Maintenance Procedures 1. Remove the old bacterial filter from the underside of the bronchial suction device and replace it (see Figure 2/1).

Figure 2

Bacterial filter position

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2. Carry out a functional test.

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Maintenance Procedures Primus

Primus 4

Replacing filter mat on PGM fan

Maintenance Procedures 1. Take out the filter on the rear of the PGM (see Figure 3) and replace it with a new one.

PGM, filter

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Version 1.0_ Released_Printed on_02.06.06_W5132300T05_Filtermatte_PGM.fm

Figure 3

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Maintenance Procedures Primus

Primus 5

Replacing bacterial filter and Nafion tube in PGM

5.1

Removing the PGM

5.1.1

Removing the PGM housing

Maintenance Procedures

1.

Figure 4

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2.

Figure 5

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Remove the three fixing screws (see Figure 4).

Fixing screws

Remove the four side panel fixing screws (see Figure 5).

Side panel fixing screws

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Maintenance Procedures

Primus 3. Slide the top cover aside (see Figure 6).

Figure 6

Top cover

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Opened PGM housing

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Figure 7

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4. Place the top cover next to the housing. Tilt the side panel slightly (Figure 7/1) and place the adapter board (Figure 7/2) next to the housing.

Primus 5.2

Replacing the bacterial filter

Maintenance Procedures 1. Remove the old bacterial filter (Figure 8/1) and replace it with the new one.

Figure 8

5.3

Replacing the Nafion tube

Bacterial filter

NOTE Always use gloves when replacing the Nafion tube.

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1. Remove the old Nafion tube (Figure 9) and replace it with the new one.

Figure 9

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Nafion tube connections

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Maintenance Procedures 5.4

Fitting the PGM housing (new)

Primus 1. Refit the PGM housing in the reverse order of its removal, as described in section 5.1.1 Removing the PGM housing. Check the following points during the various operations: 2. Are all electrical connections plugged in? Are all tubes connected and without kinks? Are all components firmly screwed down inside the PGM module? Do all housing interlocks fit together (see Figure 10/1)? Is the Teflon plate fitted over the IRIA (see Figure 10/2)?

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Figure 10 Housing interlocks and insulating foil

Primus

Maintenance Procedures 3. Mount the top cover, lift slightly at the rear (see Figure 11), and slide it completely over the housing.

Figure 11

Fitting the cover

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4. Carry out function and electrical safety tests.

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Maintenance Procedures Primus

Primus 6

Cleaning or replacing filter mat in housing cover

6.1

Filter mat removal

Maintenance Procedures

1. Remove the four housing cover fixing screws (see Figure 12).

Figure 12

Housing cover fixing screws

Figure 13 Unit rear fixing screws All rights reserved. Copyright reserved.

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2. On the rear of the unit slacken the three fixing screws about four turns (see Figure 13).

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Maintenance Procedures

Primus 3. Raise the housing cover at the rear just enough to push it forward away from the unit (see Figure 14).

Figure 14 Remove housing cover

4. Place the housing cover on a suitable surface.

6.1.1

Filter mat fitting

1. Mount the filter mat in the bracket. 2. Refit the housing cover in the reverse order of its removal. 3. Check that the housing cover is mounted horizontally on the housing. 4. Check that all fixing screws are fitted tight.

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Figure 15 Filter mat position

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5. Clean (yearly) or replace (every three years) the filter mat (see Figure 15).

Primus 7

Replacing filter mat in power pack

Maintenance Procedures 1. Remove the two filter cover fixing screws from the rear of the power pack (see Figure 16) 2. Take out the filter mat and replace it with a new one.

Figure 16 Filter cover fixing screws

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3. Refit the filter cover in the reverse order of its removal.

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Maintenance Procedures Primus

Primus 8

Replacing UPS batteries

8.1

Power pack removal

Maintenance Procedures

1. Follow the safety instructions (see Safety precautions). 2. Remove the compressed gas supply tubing as necessary - see

Figure 17 Power pack fixing screws

4. Open up the top of the power pack.

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3. Remove the fixing screws from the power pack (see Figure 17).

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Maintenance Procedures

Primus 5. Unplug the four connectors (temperature sensor (Figure 18/1), supply voltages (Figure 18/2), UPS batteries (Figure 18/3), protective conductor (Figure 18/4)).

Figure 18 Power pack connectors

6. Lift out the power pack and place it on a suitable surface. The retaining strap for the UPS batteries is attached by a Velcro strip (see Figure 19).

Figure 19 Velcro strip on retaining strap

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Removing UPS batteries

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8.2

Primus

Maintenance Procedures The following illustrations show a removed holder containing UPS batteries. 1. Do not fully detach the retaining strap (see Figure 20).

CAUTION Risk of injury resulting from incorrect removal of the UPS batteries! The two UPS batteries weigh about 13 kg. The UPS batteries may slip out of place and knock into each other. When removing, lift both batteries simultaneously and take them out together. 2. Take out the two UPS batteries. 3. Dispose of the used UPS batteries in accordance with local regulations. All rights reserved. Copyright reserved.

Version 1.1_ Released_Printed on_02.06.06_W5132300T11_USV_Batterien_Netzteil.fm

Figure 20 Retaining strap partially detached

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Maintenance Procedures 8.3

Fitting UPS batteries

Primus 1. Connect the electrical connectors of the two new UPS batteries (see Figure 21).

Figure 21 Positive and negative poles of the UPS batteries

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2. Position the UPS batteries so they are half-way into the holder.

Primus

Maintenance Procedures 3. Hold the retaining strap upwards (see Figure 22). Push the UPS batteries all the way into the holder.

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Figure 22 Lifting retaining strap

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Maintenance Procedures

Primus 4. Tighten the retaining strap around the batteries and secure it with the Velcro strip (see Figure 23).

Figure 23 Tightening and securing the retaining strap

8.4

Fitting the power pack

1. Refit the power pack in the reverse order of its removal.

2. Carry out functional and electrical safety tests.

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3. Fully charge the UPS batteries.

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CAUTION Cables will be damaged if the power pack is not fitted correctly! Do not allow any cables to become trapped when fitting the power pack.

Primus 9

Cleaning or replacing large and small filter mats in VGC

9.1

Removal of large filter mat

Maintenance Procedures

1. Withdraw the VGC as far as possible out of the unit.

NOTE The large filter mat is held in place at five points (see Figure 24). The filter bracket is located underneath the VGC housing.

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Figure 24 VGC, filter housing attachment points

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Maintenance Procedures

Primus 2. Press on one corner of the filter housing to release it (see Figure 25).

Figure 25 VGC, filter housing fitting position

CAUTION When performing the following action note that the plastic retaining lugs of the filter housing may snap off.

Figure 26 VGC, filter housing fitting position

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3. Carefully detach the entire filter housing (see Figure 26).

Primus 9.1.1

Fitting of large filter mat

Maintenance Procedures 1. After cleaning (yearly) or replacement (every 3 years), refit the filter mat in its bracket fixture. 2. First clip the filter housing in towards the unit body. 3. Refit the filter housing in the reverse order of its removal. 4. After fitting, check that the filter housing is fully contacting the housing. 5. DO not yet slot the VGC back into the unit (see section 9.2 Removal of small filter mat).

9.2

Removal of small filter mat

1. Remove the four fixing screws for the cover panel on the side of the VGC housing (see Figure 27).

Figure 27 VGC, cover panel fixing screws

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The small filter mat is accessible through the resultant opening in the housing.

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Maintenance Procedures

Primus 2. Remove the small filter mat and replace it with the new one (see Figure 28).

Figure 28 VGC, small filter mat

9.2.1

Fitting of small filter mat

1. After cleaning (yearly) or replacement (every 3 years), refit the filter mat in the housing. 2. Refit the cover panel in the reverse order of its removal. 3. After fitting, check that the cover panel is fully contacting the housing.

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4. Check that the VGC can be slotted back into the housing without problem.

Primus 10

Replacing bag upper roller diaphragm

Maintenance Procedures 1. Withdraw the VGC from the Primus. 2. Release the three catches for the compact breathing system and remove the breathing system from the VGC. 3. If the piston is at the upper position, the bag upper roller diaphragm cannot be inserted. In this case carefully push the piston down by hand. As far as possible, apply force to the middle of the piston (see Figure 29).

Figure 29 Upper piston position

4. Take the old bag upper roller diaphragm out of the VGC and replace it with the new one. 5. Refit the VGC in the reverse order of its removal.

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6. Carry out the functional test.

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Maintenance Procedures Primus

Primus 11

Replacing the lower rolling seal (VGC)

11.1

Removing the VGC

Maintenance Procedures

1. Disconnect the Primus from the mains power supply. 2. Disconnect the Primus from the three central supply system gases. 3. Withdraw the VGC as far as possible out of the Primus. 4. Slacken the three fixing screws for the breathing system and remove the breathing system from the VGC. 5. If the piston of the piston cylinder unit is still at the upper position, carefully push it down to the lower position by hand (see Figure 30). This will help to fit the upper bag rolling seal later. 6. Take the upper bag rolling seal out of the VGC (see Figure 30).

CAUTION Risk of blocking the motor spindle! Do apply too much force on the piston when performing the next step. This is to avoid that the motor spindle gets stuck in the lower limit position. As of software version 2.01 the piston is moved to the bottom position. Therefore, it is no longer necessary to push down the piston when opening the VGC.

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7. The piston of the VGC is located under the upper bag rolling seal. Carefully push the piston down to the lower working position.

Figure 30 Location of the upper bag rolling seal

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Maintenance Procedures

Primus 8. Remove the four chain box cover fixing screws (see Figure 31).

Figure 31 Chain box cover, fixing screws

Figure 32 Chain box cover, unplugging connections

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9. Unplug the three pneumatic connectors and the two electrical connectors (see Figure 32).

Primus

Maintenance Procedures 10. Slacken the two chain box fixing screws just enough so that the washers do not fall down (see Figure 33 and Figure 34)

Figure 34 Chain box, lock washers

CAUTION Possible damage to chain box! Remove the chain box before the running rails of the VGC are detached. All rights reserved. Copyright reserved.

Version 4.1_ Released_Printed on_02.06.06_W5132300T09_untere_Rollmembran_VGC.fm

Figure 33 Chain box, fixing screws

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Maintenance Procedures

Primus 11. Slacken the fixing screw (A) on the right side running rail of the VGC one quarter turn (otherwise it will scrape on the rail). Remove the two fixing screws (B) (see Figure 35).

Figure 35 VGC, removing right side running rail

Figure 36 VGC, removing left side running rail

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13. Withdraw the VGC from the housing such that it can be lifted out subsequently. The VGC housing is secured by four screws to prevent it from falling down.

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12. Slacken the fixing screw (A) on the left side running rail of the VGC one quarter turn (otherwise it will scrape on the rail). Remove the two fixing screws (B) (see Figure 36).

Primus

Maintenance Procedures 14. Remove the six VGC fixing screws (see Figure 37).

Figure 37 VGC, removing fixing screws

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15. Refit the breathing system on the VGC and secure it with the three fixing screws.

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Maintenance Procedures

Primus 16. Lift the VGC together with the breathing system (total weight approx. 15 kg) vertically out of the VGC housing (see Figure 38).

Figure 38 Taking VGC out of housing

CAUTION Electrostatic discharge! Electrostatic discharge may damage electrostatic sensitive devices. When handling electrostatic sensitive devices use a static-dissipative mat and a wrist strap.

11.2

158

Removing the piston-cylinder unit

CAUTION Possible damage to the perforated disk of the incremental encoder (pistoncylinder unit)! The perforated disk of the incremental encoder is deformed even by slight mechanical pressure (for location see Figure 39). Exercise great care when reaching into the opening above the perforated disk.

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18. Slacken the three fixing screws for the breathing system and remove the breathing system from the VGC.

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17. Place the VGC on a static-dissipative mat.

Primus

Maintenance Procedures

Figure 39 VGC, position of incremental encoder perforated disk

1. Place the VGC upside down on the static-dissipative mat.

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2. Remove the fixing screw of the PCB unit (see Figure 40).

Figure 40 VGC, PCB unit fixing screw

3. Swivel the PCB unit aside to the left.

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Maintenance Procedures

Primus 4. Unplug the three electrical connectors of the piston-cylinder unit (see Figure 41).

Figure 41 ANALOG PRIMUS PCB, connections to the piston-cylinder unit

Figure 42 Piston-cylinder unit, fixing screws (1)

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5. Remove the four piston-cylinder unit fixing screws (see Figure 42 and Figure 43).

Primus

Maintenance Procedures

Figure 43 Piston-cylinder unit, fixing screws (2)

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6. Place the motor section of the piston-cylinder unit upside down on a suitable surface.

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Maintenance Procedures 11.2.1 Removing/Fitting the lower rolling seal

Primus 1. Remove the three fixing screws from the cylinder of the rolling seal (see Figure 44).

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Figure 44 Piston-cylinder unit, cylinder fixing screws

Primus

Maintenance Procedures 2. Lift the cylinder upwards out of the piston-cylinder unit (see Figure 45).

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Figure 45 Piston-cylinder unit, removing cylinder

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Maintenance Procedures

Primus

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Figure 46 Piston-cylinder unit, snap ring (A) and O-ring (B)

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The lower rolling seal (subsequently referred to as the rolling seal for short) is attached to the cylinder by the snap ring (A) and the O-ring (B) (see Figure 46).

Primus

Maintenance Procedures 3. Remove the snap ring and the O-ring (see Figure 47 and Figure 48).

Figure 48 Piston-cylinder unit, removing the O-ring

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Figure 47 Piston-cylinder unit, removing the snap ring

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Maintenance Procedures

Primus

CAUTION Faulty rolling seal due to incorrect installation! The rolling seal can be fitted the wrong way round. If it is, however, a wide bulge occurs under the snap ring (see Figure 49). To avoid errors, follow the instructions below precisely and compare the illustrations against the result achieved.

Figure 49 Piston-cylinder unit, incorrect installation of the rolling seal

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Figure 50 Piston-cylinder unit, folding rolling seal correctly

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4. Fold the rolling seal over the cylinder such that a narrow bulge is created under the snap ring groove (see Figure 50).

Primus

Maintenance Procedures 5. Insert the snap ring into the groove of the rolling seal (see Figure 51).

Figure 51 Piston-cylinder unit, mounting rolling seal snap ring

NOTE The O-ring (P/N G603379) for fixing the lower rolling seal can become porous due to UV radiation. Fit the new O-ring (P/N 8604831). This O-ring is insensitive to UV radiation.

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6. Fit the rolling seal O-ring (see Figure 52) The O-ring must be seated firmly in the groove.

Figure 52 Piston-cylinder unit, fitting rolling seal O-ring

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Maintenance Procedures 11.3

Mounting piston-cylinder unit

Primus 1. Place the cylinder in the piston-cylinder unit. 2. Tighten the three fixing screws on the rolling seal cylinder. 3. Check that the end of the rolling seal is correctly seated in the guide groove (see Figure 53).

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Figure 53 Piston-cylinder unit, rolling seal end

Primus

Maintenance Procedures 4. Place the motor section of the piston-cylinder unit upside down on the lower piston-cylinder unit section (see Figure 54).

5. The gap between the motor section of the KZE and the lower section must be uniform. If it is not, carefully check where the rolling seal is unevenly seated in the guide groove (see Figure 55). Correct as necessary (see Figure 53).

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Figure 54 Piston-cylinder unit, mounting piston-cylinder unit motor section

Figure 55 Piston-cylinder unit, checking the rolling seal position

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Maintenance Procedures

Primus 6. Screw in the four piston-cylinder unit fixing screws. 7. Insert the piston-cylinder unit cables and the pneumatic system tube in the cable holders (see Figure 56).

Figure 56 VGC, cable routing 1

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Figure 57 ANALOG PRIMUS PCB, connections to the piston-cylinder unit

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8. Connect the three piston-cylinder unit cables with the ANALOG PRIMUS PCB (see Figure 57).

Primus

Maintenance Procedures 9. Lift the PCB unit. Make sure no tubes are bent or cables trapped as you do so. 10. Tighten the PCB unit fixing screw (see Figure 58).

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Figure 58 VGC, PCB unit fixing screw

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Maintenance Procedures

Primus 11. Push the piston-cylinder unit cables into the holders according to the labelling on the cylinder (see Figure 59).

12. Refit the VGC in the reverse order of its removal (see 11.1 Removing the VGC).

To avoid leakages, secure the three fixing screws (cylinder of rolling seal, see Figure 44) with silicone glue at the at the screw seats. 13. Carry out functional and electrical safety tests.

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NOTE Possible leakages during the RV2 leak test!

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Figure 59 VGC, cable routing 2

Primus 12

Replacing pressure regulators PRPN2O, PRPAIR, PRPO2

12.1

Removing gas inlet block pressure regulators

Maintenance Procedures

The following steps can be carried out with the mixer fitted. 1. Follow the safety instructions (see Safety precautions document). 2. Remove the compressed gas supply tubing. 3. Take off the housing cover as necessary (see document: Removing housing cover). 4. Remove the mixer cover.

Figure 60 Pressure regulator positions

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Looking from above into the mixer, you will see the three pressure regulators (for assignment of gases see Figure 60).

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Maintenance Procedures

Primus 5. Remove the hexagon socket fixing screws of the relevant pressure regulator (for position see Figure 61).

12.2

Fitting pressure regulators

CAUTION Malfunction resulting from fitting error! On each pressure regulator is a label indicating the direction of flow (for example of pressure regulator for N2O see Figure 62). If the label is missing, the direction of flow is indicated on the underside of the pressure regulator (see Figure 63). The preferential direction of the individual pressure regulators is embossed into the gas inlet block. When fitting, pay attention to the preferential direction of the pressure regulators.

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In the following, fitting of the PRPN2O pressure regulator is shown as an example. The steps also apply correspondingly to the PRPAIR and PRPO2 pressure regulators.

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Figure 61 Pressure regulator fixing screws

Primus

Maintenance Procedures

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Figure 62 Preferential direction of N2O pressure regulator 'PRPN2O“ with label

Figure 63 Preferential direction of N2O pressure regulator 'PRPN2O“ without label

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Maintenance Procedures

Primus

NOTE The locking caps of the new pressure regulators are fixed in place (see Figure 64). Unlock the caps prior to fitting.

Figure 64 Fixed locking cap

Figure 65 Unlocked locking cap

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1. Pull locking cap upwards and unlock (A). This creates a gap (B) between the housing and the locking cap (see Figure 65). The pressure regulator can now be adjusted.

Primus

Maintenance Procedures 2. Check that the two O-rings are fitted on the pressure regulator (see Figure 66).

Figure 66 O-rings on pressure regulator 'PRPN2O“

Figure 67 Preferential directions of pressure regulators

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3. Fit the pressure regulators in their respective preferential directions (see Figure 67).

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Maintenance Procedures Primus

Primus 13

Replacing CPU PRIMUS PCB lithium battery

Maintenance Procedures

NOTE Before you replace the CPU PRIMUS PCB lithium battery, please note: Replacement as a maintenance procedure is only required up to software version 1.01. The lithium battery is no longer needed in software versions 1.05 or higher (and must always be removed).

NOTE Batteries are special waste. Dispose of the batteries in accordance with local waste disposal regulations.

13.1

Removing mixer

1. Follow the safety instructions (see document: Safety Precautions ). 2. Remove the rear panel (see document: Removing rear panel). 3. Remove the compressed gas supply tubing as necessary.

Figure 68 Central gas supply hoses

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4. Remove the three central gas supply tubes (see Figure 68).

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Maintenance Procedures

Primus 5. Remove the fixing screw from the gas inlet block using an Allen key (see Figure 69).

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Figure 69 Fixing screw on gas inlet block

Primus

Maintenance Procedures 6. Remove the central fixing screw on the mixer (see Figure 70).

Figure 70 Central fixing screw

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7. Withdraw the mixer about half-way out of the housing and unplug the electrical connection to the mixer (see Figure 71).

Figure 71 Disconnecting electrical connections

8. Take the mixer fully out of the housing and place it on a suitable surface.

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Maintenance Procedures 13.2

Removing mixer cover

Primus 1. Follow the safety instructions (see document: Safety Precautions ). 2. Remove the compressed gas supply tubing as necessary. 3. Remove the three mixer cover fixing screws (see Figure 72).

Figure 72 Mixer cover fixing screws

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4. Remove the mixer cover.

Primus 13.3

Maintenance Procedures

Replacing the lithium battery

Figure 73 Location of the lithium battery on the CPU PRIMUS PCB

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1. Pry the lithium battery off the holder using an appropriate tool (see Figure 74).

Figure 74 Removing the lithium battery

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Maintenance Procedures

Primus

NOTE Batteries are special waste. Dispose of the batteries in accordance with local waste disposal regulations. 2. Place the new lithium battery into the holder (positive terminal up) and click into the clamps without using too much force.

13.4

Fitting mixer cover CAUTION Damage to cables by trapping! Make sure no cables are trapped when refitting the mixer cover. 1. Refit the mixer cover in the reverse order of its removal. 2. Fit the mixer (see section 13.5 Mixer fitting). 1. Before fitting the mixer, check that the six terminal block O-rings are fitted in the housing (see Figure 75).

Figure 75 Six O-rings on connector block

2. Refit the mixer in the reverse order of its removal (see 13.1 Removing mixer ). 3. Carry out functional and electrical safety tests.

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Mixer fitting

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13.5

Primus 14

Replacing PEEP diaphragm and MAN/SPONT diaphragm

Maintenance Procedures 1. Follow the safety instructions (see document: Safety precautions). 2. Remove the absorber cup. 3. Slacken the five screws on the compact breathing system cover (see Figure 76).

Figure 76 Compact breathing system cover

4. Lift the compact breathing system cover and place it on a suitable surface.

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Underneath the valve block (Figure 77/1) are the diaphragm sets of the PEEP valve V1 (Figure 77/2) and the MAN/SPONT switching valve V2 (Figure 77/3).

Figure 77 Valve block (1)

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Maintenance Procedures

Primus 5. Turn the valve plate round and remove the four valve block fixing screws (see Figure 78).

Figure 78 Valve block fixing screws

7. Screw in the four Phillips screws. 8. Refit the valve block in the reverse order of its removal. Observe the following points: After fitting the valve block, valves V1 and V2 must be moveable by fingers. The spring effect of V2 must be perceptible.

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Figure 79 Positions of V1, V2 and O-rings

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6. Replace the following components: the diaphragm connector of the PEEP valve V1 (Figure 79/1), the O-rings (Figure 79/2) and the diaphragm set of the MAN/SPONT switching valve V2 (Figure 79/3) (see Figure 79). When assembling, make sure the metal ring of valve V1 and the springs of valve V2 are in place!

Primus

Maintenance Procedures The following test steps are carried out with a ventilation dummy: 9. Carry out the Primus power-on test. 10. Carry out a MAN/SPONT ventilation. 11. Carry out an IPPV ventilation with pre-set “PEEP” of 10 hPa.

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12. Check the flow and pressure parameters.

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Maintenance Procedures Primus

Primus 15

Pressure regulator major overhaul

15.1

Safety precautions

Maintenance Procedures

WARNING Explosion and fire hazard! Always make sure parts which come into contact with oxygen are free of grease and oil prior to fitting.

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CAUTION Risk of damage to Primus if pressure regulator and blow-off valve are adjusted incorrectly. The pressure regulator and its blow-off valve must be readjusted after a major overhaul. For safety reasons, it is recommended to have the adjustment done by DrägerService.

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Maintenance Procedures 15.2

Primus

Required spare parts Name

Part number

General overhaul spare parts set

MX08047

Set of gas type labels

MX08060

Figure 80 Major overhaul spare parts set, see legend

Legend to Figure 80

Item

Designation Closing plunger (blow-off valve)

2

Friction (valve tappet)

3

Sealing (valve tappet)

4

Diaphram on diaphragm carrier

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1

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Table 1

Primus 15.3

Maintenance Procedures

Service Equipment Required

Figure 81 Tools; for legend, see the following table

Table 2

Legend to Figure 81 Name

Part no.

1

Torque spanner

7910132

2

Square bit, 1/2 inch.

7901864

3

Pin insert (Note: Tool was modified mid-2004. The pins have now a length of 5 mm instead of 3 mm. Perform the general overhaul using the new tool only!).

7901129

4

Loctite 221 (not shown).

7901966

6

Loctite 271 (not shown).

1198165

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Item

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Maintenance Procedures

Primus

Figure 82 Wrench; for legend, see the following table

Table 3

Legend to Figure 82

Item 1

Removing the pressure regulator

Wrench (blow-off valve)

Part no. 7911318

In the following section an O2 pressure regulator is used as an example for a major overhaul.

WARNING

WARNING Risk of personal injury due to improper disassembly of the pressure regulator! If the high-pressure regulator is fitted on a high-pressure cylinder, always vent the high-pressure of the high-pressure cylinder first before performing the following work steps. During the entire major overhaul procedure, protect the high-pressure cylinder valve from being opened unintentionally.

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Risk of personal injury due to improper setting up of high-pressure cylinders! The high-pressure cylinders used shall be set up securely (to prevent them from being knocked over) in accordance with applicable safety regulations.

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15.4

Name

Primus

Maintenance Procedures 1. Leave the pressure regulator fitted on the high-pressure cylinder or place it flat on an appropriate surface. 2. Remove the gas-type label (Figure 83/1).

Figure 83 Gas-type label

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3. Remove the front housing part of the pressure regulator (Figure 84/1). While doing so, the pressure regulator should be fitted on the high-pressure cylinder or on an assembly aid, or should be placed flat on an appropriate surface.

Figure 84 Removing the front housing part

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Maintenance Procedures 15.5

Replacing the “Major Overhaul” spare parts set

Primus

WARNING Explosion and fire hazard! Always make sure parts which come into contact with oxygen are free of grease and oil prior to fitting. 1. Remove the diaphragm carrier (Figure 85/1).

Figure 85 Housing (open)

Figure 86 Diaphragm carrier with fixing nut

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2. Remove the fixing nut (Figure 86/1) from the diaphragm carrier.

Primus

Maintenance Procedures 3. Fit the new diaphragm and secure the nut with Loctite 221. Tighten the nut (Figure 86/1) only such that the diaphragm is not deformed. Fit the ring (Figure 87/1) with its radius side facing the diaphragm.

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Figure 87 Fitting position of the ring

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Maintenance Procedures

Primus 4. Place the diaphragm carrier into the housing. Make sure that the components under the diaphragm are fitted in the correct order (see Figure 88).

Figure 88 Components under the diaphragm

Legend to Figure 88

Item

Designation Diaphragm

2

Ring

3

Diaphragm carrier

4

Control spring

5

Pressure plate

6

Adjusting screw All rights reserved. Copyright reserved.

1

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Table 4

Primus

Maintenance Procedures 5. Using an appropriate tool (bit with 11 mm WAF), unscrew the brass valve seat (Figure 89/1).

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Figure 89 Valve seat

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Maintenance Procedures

Primus

NOTE Avoid any contamination during the next work steps. 6. Remove the friction (Figure 90/1) from the valve plunger (Figure 90/2) and replace it with a new one.

Figure 90

Valve components

8. Fit the valve components. Place the new sealing such that the internal chamfer (Figure 90/3) points toward the valve plunger. Tighten the valve seat (to a torque of 5 Nm). All rights reserved. Copyright reserved.

9. Refit the housing in the reverse order of its removal.

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7. Remove the sealing (Figure 90/3) from the valve seat and replace it with a new one.

Primus

Maintenance Procedures 10. Secure the thread of the housing. To do so, fill a small amount of Loctite 270 (1198165) into the small housing borehole (Figure 91/1).

Figure 91 Small housing borehole

Figure 92 Removing the blow-off valve

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11. Remove the blow-off valve using the wrench (Figure 92/1).

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Maintenance Procedures

Primus 12. Remove the blow-off valve's components and replace the closing plunger (Figure 93/3).

Figure 93 Blow-off valve components

Table 5

Legend to Figure 88

Item

Designation

1

Adjusting screw

2

Control spring

3

Closing plunger

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14. For safety reasons, it is recommended to have the downstream pressure and the blow-off valve adjusted by DrägerService.

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13. Refit the blow-off valve in the reverse order of its removal. Screw in the adjusting screw without using excessive force.

Schematics and Diagrams

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Primus pneumatic components diagram as of software 2.n, see legend Table 1 (changes see (X))

Primus pneumatic components diagram

Figure 1

1

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Primus Schematics and Diagrams

203

204

Mixer.

Vaporizer plug-in system.

Ventilator.

Breathing system.

3

4

5

6

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Absorber.

A-cone valve (option).

2

A

Gas inlet block.

1

Component name

Legend to Figure 1 and Figure 2

Table 1

Item short name

Primus pneumatic components diagram up to software 1.6n, see legend Table 1

Figure 2

Schematics and Diagrams Primus

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Breathing bag.

N2O compressed-gas cylinder.

O2 compressed-gas cylinder.

Ejector.

Fresh gas outlet

Expiratory flow sensor

Inspiratory flow sensor.

IRIA (anesthetic gas measurement).

Piston-cylinder unit.

Piston-cylinder unit motor.

Motor PEEP pressure.

PEEP/Pmax valve.

Calibration valve.

Breathing system/fresh-gas outlet switching valve.

PEEP valve/control valve.

Patient.

Expiratory airway pressure sensor.

N2O compressed-gas cylinder pressure.

O2 compressed-gas cylinder pressure.

Differential pressure (high range).

Differential pressure (low range).

Differential pressure mixer.

Pressure in the “TANK”.

AIR central supply.

BAG

CYLINDER N2O

CYLINDER O2

E

FG OUTLET

Flowe

Flowi

IRIA

KZE

M1

M2

MV1

MV2

MV3

MV4

P

PAWe

PCN2O

PCO2

PDMGSHI

PDMGSLO

PDMIX

PDTANK

PIPE AIR

N2O central supply.

APL valve.

APL

PIPE N2O

Anesthetic gas scavenging system.

Component name

AGSS

Item short name

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Primus Schematics and Diagrams

205

206

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AIR central supply pressure.

N2O central supply pressure.

O2 central supply pressure.

N2O compressed-gas cylinder pressure regulator.

AIR central supply pressure regulator.

N2O central supply pressure regulator.

O2 central supply pressure regulator.

System pressure.

Vacuum pressure sensor, current vacuum.

Inspiratory airway pressure sensor.

Restrictor to smooth pressure peaks.

Resistor to reduce vacuum (pump off).

Fresh-gas measuring path (upstream of the TANK).

Fresh-gas measuring path.

Non-return valve of fresh-gas decoupling.

AGSS non-return valve.

KZE vacuum non-return valve (as from software 2.n).

O2 connection for external O2 flowmeter (option).

Connection for external bronchial suction device (option).

Fresh-gas tank.

Volume.

PEEP valve diaphragm.

Auto-man/spont ON/OFF valve.

A-cone safety valve.

Expiratory valve.

Inspiratory valve.

PPAIR

PPN2O

PPO2

PRCN2O

PRPAIR

PRPN2O

PRPO2

PSYS

Pu

Pz

R1

R2

RM

RMGS

RV1

RV2

RV3

SAMPLE O2

SUCTION SYSTEM

TANK

V

V1

V2

VBAK

Ve

Vi

Version 2.0_ Released_Printed on_02.06.06_S5132300T01_Pneumatikplan_Primus.fm

All rights reserved. Copyright reserved.

O2 central supply.

Component name

PIPE O2

Item short name

Schematics and Diagrams Primus

Version 2.0_ Released_Printed on_02.06.06_S5132300T01_Pneumatikplan_Primus.fm

Fresh-gas flow valve (proportional valve).

O2 mixer valve.

AIR mixer valve.

N2O mixer valve.

O2 flush valve.

Vacuum pump.

Safety O2 control.

A-cone valve.

TANK valve (safety valve).

Vacuum valve -200 mbar.

VMIXO2

VMIXAIR

VMIXN2O

VO2+

VP

VSFC

VSWAK

VTANK

VU

Component name

VMGS

Item short name

All rights reserved. Copyright reserved.

Primus

5132.300

Schematics and Diagrams

207

208

5132.300

Version 2.0_ Released_Printed on_02.06.06_S5132300T01_Pneumatikplan_Primus.fm

All rights reserved. Copyright reserved.

Schematics and Diagrams Primus

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

Figure 3

Primus block diagram

Schematics and Diagrams

2

All rights reserved. Copyright reserved.

Primus Schematics and Diagrams

5132.300

209

210

5132.300

Mixer connection diagram

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

All rights reserved. Copyright reserved.

Figure 4

Schematics and Diagrams Primus

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

Figure 5

Primus tubing diagram

All rights reserved. Copyright reserved.

Primus

5132.300

Schematics and Diagrams

211

212

5132.300

VGC tubing configuration and electrical connections (with RV3)

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

All rights reserved. Copyright reserved.

Figure 6

Schematics and Diagrams Primus

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

Figure 7

VGC tubing configuration and electrical connections (without RV3)

All rights reserved. Copyright reserved.

Primus

5132.300

Schematics and Diagrams

213

214

PGM block diagram

5132.300

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

All rights reserved. Copyright reserved.

Figure 8

Schematics and Diagrams Primus

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

Figure 9

Block diagram of the PGM2 with Servomex O2 sensor

All rights reserved. Copyright reserved.

Primus

5132.300

Schematics and Diagrams

215

216

5132.300

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

All rights reserved. Copyright reserved.

Figure 10 Connection diagram of the PGM2 with Pato O2 sensor

Schematics and Diagrams Primus

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

Figure 11

VGC pneumatic block tubing diagram

All rights reserved. Copyright reserved.

Primus

5132.300

Schematics and Diagrams

217

218

5132.300

Version 3.0_ Released_Printed on_02.06.06_S5132300T02_Diagramme_Schaltplaene.fm

All rights reserved. Copyright reserved.

Figure 12 VGC assembly plate

Schematics and Diagrams Primus

Annex

Parts catalog Test List Technical Information

Parts catalog Primus

Revision: 2006-02-27 12:45:21 5132.300

Because you care Emergency Care - Perioperative Care - Critical Care - Perinatal Care - Home Care

Because you care

2

Parts catalog

Primus 3 annual

Item No.

Part No.

Description

Qty.

Qty. unit

2

8603057

Battery

2.000

St

4

2600650

DIAPHRAGM,CUP

1.000

St

5

6870910

FILTER MAT

1.000

St

6

8603144

FILTER MAT

1.000

St

7

8603301

FILTER MAT

1.000

St

8

8603662

FILTER MAT

1.000

St

9

U04314

O-RING SEAL

4.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

3

Parts catalog

Primus 1 annual

Item No.

Part No.

Description

Qty.

Qty. unit

1

8603662

FILTER MAT

1.000

St

2

6870910

FILTER MAT

1.000

St

3

8603301

FILTER MAT

1.000

St

4

8603144

FILTER MAT

1.000

St

5

U04314

O-RING SEAL

4.000

St

6

2600650

DIAPHRAGM,CUP

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

4

Parts catalog

Primus 2 annual

Item No.

Part No.

Description

Qty.

Qty. unit

2

8601238

NAFION HOSE 150 LG.

1.000

St

3

8603585

FILTER MAT

1.000

St

4

M19238

MESH BOTTOM

3.000

St

5

8603780

DIAPHRAGM

1.000

St

6

8603781

SEALING WASHER

1.000

St

7

M33275

DIAPHRAGM

1.000

St

8

R52382

O-RING SEAL

2.000

St

9

2600650

DIAPHRAGM,CUP

1.000

St

10

6870910

FILTER MAT

1.000

St

11

8603144

FILTER MAT

1.000

St

12

8603301

FILTER MAT

1.000

St

13

8603662

FILTER MAT

1.000

St

14

U04314

O-RING SEAL

4.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

5

Parts catalog

AGS system

Item No.

Part No.

Description

Qty.

Qty. unit

1

M33294

FILTER

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

6

Parts catalog

AGS system Canada

Item No.

Part No.

Description

Qty.

Qty. unit

M33294

FILTER

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

7

Parts catalog

Ejector type aspirator

Item No.

Part No.

Description

Qty.

Qty. unit

6723976

SET OF 5 BACTERIA FILT.(CH102)

1.000

St

CH00102

BACTERIA FILTERS

1.000

St

Remark

for shut-offcash sucking off ejector

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

8

Parts catalog

PGM Primus

Item No.

Part No.

Description

Qty.

Qty. unit

6850930

O2-SENSOR-S

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

9

Parts catalog

RS SpO2

Item No.

Part No.

Description

Qty.

Qty. unit

8603870

Upgrade kit Spo2 Primus

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

10

Parts catalog

Kit Parking holder

Item No.

Part No.

Description

Qty.

Qty. unit

1-8

M25102

SUPPORT FOR PARKING POSITION

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

11

Parts catalog

Accessories Suction

Item No.

Part No.

Description

Qty.

Qty. unit

M07582

SECRETION CONTROL GLASS

1.000

St

2M85594

RECEPTACLE

1.000

St

M25780

ASPIRATION HOSE

1.000

St

2M85012

CYLINDER CAP WITH VALVE

1.000

St

1203606

HOSE 5X2SI 60SHA NF M25779

1.000

m

2M19063

ANGULAR PORCELAIN BUSH

1.000

St

M30159

ANGULAR PORCELAIN BUSH

1.000

St

8601179

ACCESS.SUCTION UNIT F.JULIAN

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

12

Parts catalog

Accessories Julian

Item No.

Part No.

Description

Qty.

Qty. unit

8290286

Sample Line Set (10pcs)

10.000

St

M25647

NOZZLE 22/22

1.000

St

2166046

BREATH.HOSE 150CMLONG SLEEVE

1.000

St

2166038

BREATH.HOSE LONG 110CM SLEEVE

1.000

St

M33278

Y-PIECE ADULT,LUER LOCK

1.000

St

2166062

SILICON-BREATHING BAG 2,3 L

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

13

Parts catalog

Suction hoses

Item No.

Part No.

Description

Qty.

Qty. unit

1

M35015

AGS-SCAVANGER HOSE 0,5M

1.000

St

2

M33297

AGS-SCAVANGER HOSE 1,5M

1.000

St

3

M33298

AGS-SCAVANGER HOSE 3M

1.000

St

4

M33299

AGS-SCAVANGER HOSE 5M

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

14

Parts catalog

Plugs

Item No.

Part No.

Description

Qty.

Qty. unit

1

G60580

AGSS PROBE/STRAIGHT-TYPE1/ EN

1.000

St

2

G60495

AGSS ANGLE PROBE / TYPE 1 / EN

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

15

Parts catalog

Plugs

Item No.

Part No.

Description

Qty.

Qty. unit

3

G60440

ANAESTH.WASTE GAS PROBE 45

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

16

Parts catalog

Ejector type aspirat. NIST Air

Item No.

Part No.

Description

Qty.

Qty. unit

1-16

MK01420

Suction Ejector, NIST

1.000

St

9

MK00514

FILTER

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

17

Parts catalog

Secretion bottles with claw

Item No.

1

Part No.

Description

Qty.

Qty. unit

2M85594

RECEPTACLE

1.000

St

M25739

Lever-type clamp

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

18

Parts catalog

Pressure Reducer

Item No.

Part No.

Description

Qty.

Qty. unit

8603465

Press.Red.o2, DIN477-1,Primus

1.000

St

8603466

Press.Red.o2,PIN INDEX,Primus

1.000

St

8603706

Press.Red.o2,DIN477-1/6,Primus

1.000

St

8603707

Press.Red.o2,NF E29-650,Primus

1.000

St

8603718

Press.Red.Air,PIN IND.Primus

1.000

St

8603719

Press.Red.Air,DIN477-1,Primus

1.000

St

8603720

Press.Red.Air.NF E29-650,Prim

1.000

St

8603462

Press.Red.N2o,PIN IND.Primus

1.000

St

8603463

Press.Red.N2o,DIN477-1/11,Prim

1.000

St

8603464

Press.Red.N2o,DIN477-1/12,Prim

1.000

St

8603711

Press.Red.N2o,NF E29-650,Prim

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

19

Parts catalog

High Pressure Sensors

Item No.

Part No.

Description

Qty.

Qty. unit

8603316

HIGH PRESSURE SENSOR O2

1.000

St

8603520

HIGH PRESSURE SENSOR AIR

1.000

St

8603315

HIGH PRESSURE SENSOR N2O

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

20

Parts catalog

Pressure Gauges

Item No.

Part No.

Description

Qty.

Qty. unit

MX08048

PRESSURE GAUGE O2

1.000

St

MX08049

PRESSURE GAUGE AIR

1.000

St

MX08050

PRESSURE GAUGE N2O,CO2,XE

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

21

Parts catalog

Connectors and Hoses

Item No.

Part No.

Description

Qty.

Qty. unit

1

MX08058

CONNECTING HOSE 1,2M AIR/DISS

1.000

St

1

MX08056

HOSELINE NIST-NIST N2O, O,5M

1.000

St

1

MX08055

HOSEINE NIST,O2 0,5M

1.000

St

1

MX08057

HOSELINE NIST/AIR 0,5M

1.000

St

2

MX08053

N2O-NIST-CONNECTION

1.000

St

2

MX08054

AIR-NIST-CONNECTION

1.000

St

2

MX08052

OXYGENE-NIST-CONNECTION

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

22

Parts catalog

Sets and Spare Parts

Item No.

Part No.

Description

Qty.

Qty. unit

4

D02316

MESH BOTTOM

1.000

St

5

MX08157

REP.SET GASKET/F ( FRANKREICH)

1.000

St

6

MX08158

REP.SET GASKET/C (USA)

1.000

St

7

MX08159

REP.SET GASKET/B (ENGLAND )

1.000

St

8

MX08160

REP.SET GASKET/N (NIEDERLANDE)

1.000

St

10

MX08051

PROTECTING CAP

1.000

St

O.A

MX08061

REP.SET GASKET

1.000

St

O.A.

D20215

SET OF PACKING RINGS

1.000

St

Remark

Contents:MX08157,MX08158,MX0815 9,D02316,D43929

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

23

Parts catalog

O2-Pressure reducer G3/4

Item No.

Part No.

Description

Qty.

Qty. unit

AF00528

HIGH PRESSURE SENSOR O2

1.000

St

8603704

HIGH PRESSURE SENSOR O2

1.000

St

AF00529

PRESS.RED.+SENSOR O2 PIN INDEX

1.000

St

AF00530

PRESS.RED.+SENSOR N2O PIN IND.

1.000

St

8603709

HIGH PRESSURE SENSOR N2O

1.000

St

AF00532

HIGH PRESSURE SENSOR N2O

1.000

St

1-3,7-1 M34017 5

N2O-PRESSURE REDUCER G3/4I

1.000

St

1-3,7-1 M34012 5

O2-PRESSURE REDUCER GB-HS

1.000

St

1-3,7-1 M34022 5

N2O-PRESSURE REDUCER GI

1.000

St

1-3,7-1 M34021 5

N2O-PRESSURE REDUCER GX

1.000

St

1-3,7-1 M34014 5

O2-PRESSURE REDUCER GO

1.000

St

1-3,7-1 M34020 5

N2O-PRESSURE REDUCER GH

1.000

St

1-3,7-1 M34016 5

O2-PRESSURE REDUCER GC-HT

1.000

St

1-3,7-1 M34013 5

O2-PRESSURE REDUCER GE

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

24

Parts catalog

O2-Pressure reducer G3/4

Item No.

Description

Qty.

Qty. unit

1-3,7-1 M34009 5

O2-PRESSURE REDUCER GA

1.000

St

1-3,7-1 M34007 5

O2-PRESSURE REDUCER G3/4

1.000

St

1-3,7-1 M34018 5

N2O-PRESSURE REDUCER G3/8

1.000

St

2

2312573

O-RING SEAL O2 GA

1.000

St

2

2312572

O-RING SEAL O2 GERMANY

1.000

St

2

2312571

O-RING SEAL O2 GC+GB

1.000

St

2

2312578

O-RING SEAL N2O GH

1.000

St

2

2312574

O-RING SEAL O2 GE

1.000

St

2

2312579

O-RING SEAL N2O GJ

1.000

St

2

2312577

O-RING SEAL N2O GERMANY 3/8"

1.000

St

2

2312576

O-RING SEAL N2O GERMANY

1.000

St

2

2312575

O-RING SEAL O2 GO

1.000

St

3

2312586

NUT N2O GER. G 3/8"

1.000

St

3

2312585

NUT N2O GER. G 3/4"

1.000

St

Part No.

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

25

Parts catalog

O2-Pressure reducer G3/4

Item No.

Part No.

Description

Qty.

Qty. unit

3

2312580

TERMINAL NUR O2 GER.

1.000

St

4

2312591

PIN-INDEX BOW N2O

1.000

St

4

2312590

PIN-INDEX BOW O2

1.000

St

4-15

M34008

O2-PRESSURE REDUCER PIN INDEX

1.000

St

4-15

M34019

N2O-PRESSURE REDUCER PIN INDEX

1.000

St

5

2312592

PIN-INDEX CONNECTING BRANCH

1.000

St

6

2312593

FLAT PACKING

1.000

St

7

2312594

PRESSURE GAUGE PROTECTING CAP

1.000

St

8

2312596

PRESSURE GAUGE N2O

1.000

St

8

2312595

PRESSURE GAUGE O2

1.000

St

9

2312597

PRESSURE GAUGE PACKING RING

1.000

St

10

2312599

SAFETY VALVE N2O

1.000

St

10

2312598

SAFETY VALVE O2

1.000

St

11

2312600

DIAPHRAGM VALVE W.O-RING SEAL

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

26

Parts catalog

O2-Pressure reducer G3/4

Item No.

Part No.

Description

Qty.

Qty. unit

12

2312601

PRESSURE SPRING

1.000

St

13

2312603

CONNECTION PIECE

1.000

St

ab 01.97/ from 01.97

13

2312602

CONNECTION PIECE

1.000

St

bis 01.97/ up to 01.97

14

2312605

LOCK M10X1

1.000

St

ab 01.97/ from 01.97

14

2312604

LOCK G 3/8"

1.000

St

bis 01.97/ up to 01.97

15

2312607

NYLON-GASKET F. THREAD M10X1

1.000

St

ab 01.97/ from 01.97

15

2312606

NYLON-GASKET 3/8"

1.000

St

bis 01.97/ up to 01.97

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

27

Parts catalog

Products concerned

Item No.

Part No.

Description

Qty.

Qty. unit

1

M35140

Vapor 2000 Halothane

1.000

St

2

M35150

Vapor 2000 Enflurane

1.000

St

3

M35160

Vapor 2000 Isoflurane

1.000

St

4

M35170

Vapor 2000 Sevoflurane

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

28

Parts catalog

Maintenance parts

Item No.

Part No.

Description

Qty.

Qty. unit

1

D18440

MESH BOTTOM

1.000

St

1-3

MX08235

2-year Vapor kit

1.000

St

2

M21929

O-RING SEAL

2.000

St

3

1343866

SCREW M 4X12

2.000

St

tightening 270-300Ncm

4

1343904

CHEESE HEAD SCREW M4x30 DIN912

2.000

St

tightening 270-300Ncm

5

1343947

SCREW M 4X25

2.000

St

tightening 270-300Ncm

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

29

Parts catalog

Plug-in adapter DW-2000 H

Item No.

Part No.

Description

Qty.

Qty. unit

Remark

1343866

SCREW M 4X12

2.000

St

tightening 270 - 300Ncm

1

M34676

HANDLE (PLUG-IN SYSTEM DW)

1.000

St

1-6

M34725

Plug-in adapter DW-2000 H

1.000

St

2

M34677

CAP FOR HANDLE

1.000

St

3

1327542

WASHER A 4,3 DIN 125-A4

1.000

St

5

M34662

BOLT

1.000

St

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

30

Parts catalog

Rep. Set Pflug-In System

Item No.

Part No.

Description

Qty.

Qty. unit

1-4

M34907

REP.SET PLUG-IN SYSTEM

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

31

Parts catalog

Plug-in adapter DW 2000 E

Item No.

Part No.

Description

Qty.

Qty. unit

Remark

1343866

SCREW M 4X12

2.000

St

tightening 270 - 300Ncm

1

M34676

HANDLE (PLUG-IN SYSTEM DW)

1.000

St

1-6

M34726

Plug-in adapter DW-2000 E

1.000

St

2

M34677

CAP FOR HANDLE

1.000

St

3

1327542

WASHER A 4,3 DIN 125-A4

1.000

St

5

M34662

BOLT

1.000

St

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

32

Parts catalog

Plug-in adapter DW 2000 I

Item No.

Part No.

Description

Qty.

Qty. unit

Remark

1343866

SCREW M 4X12

2.000

St

tightening 270 - 300 Ncm

1

M34676

HANDLE (PLUG-IN SYSTEM DW)

1.000

St

1-6

M34727

Plug-in adapter DW-2000 I

1.000

St

2

M34677

CAP FOR HANDLE

1.000

St

3

1327542

WASHER A 4,3 DIN 125-A4

1.000

St

5

M34662

BOLT

1.000

St

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

33

Parts catalog

Plug-in adapter DW 2000 S

Item No.

Part No.

Description

Qty.

Qty. unit

Remark

1343866

SCREW M 4X12

2.000

St

tightening 270 - 300Ncm

1

M34676

HANDLE (PLUG-IN SYSTEM DW)

1.000

St

1-6

M34728

Plug-in adapter DW-2000 S

1.000

St

2

M34677

CAP FOR HANDLE

1.000

St

3

1327542

WASHER A 4,3 DIN 125-A4

1.000

St

5

M34662

BOLT

1.000

St

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

34

Parts catalog

Plug-in adapter S-2000

Item No.

Part No.

Description

Qty.

Qty. unit

Remark

1343866

SCREW M 4X12

2.000

St

tightening 270-300Ncm

1-18

M34821

Plug-in adapter S-2000

1.000

St

2

M34677

CAP FOR HANDLE

1.000

St

4

1327542

WASHER A 4,3 DIN 125-A4

1.000

St

5

M34758

Hand lever

1.000

St

12

M34817

BOLT

1.000

St

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

35

Parts catalog

Vapor plug-in system w. pivot

Item No.

Part No.

Description

Qty.

Qty. unit

1

D18400

O-RING SEAL

4.000

St

1-11

M26588

VAPOR PLUG-IN SYSTEM W.PIVOT

1.000

St

2

U04314

O-RING SEAL

2.000

St

5

M05128

PACKING RING

2.000

St

6

1329324

AM4X8 DIN 963-A4/051

2.000

St

10

M28935

FIXING CAM

1.000

St

11

1334514

SCREW AM2X4 DIN 963-A4

2.000

St

Remark

secured with Loctite 221 and tightening 27-30Ncm

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

36

Parts catalog

Cagemount

Item No.

Part No.

Description

Qty.

Qty. unit

1

1330705

WASHER B 6,4 DIN 125-A4

2.000

St

2

1343947

SCREW M 4X25

2.000

St

3

M35059

CAGEMOUNT

1.000

St

Remark

tightening 270-300Ncm

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

37

Parts catalog

Keyed filler adapter H

Item No.

Part No.

Description

Qty.

Qty. unit

9028953

MA check valve filling adapter

1.000

St

1

M30288

Keyed filler adapter H

1.000

St

old version

2

M35320

Keyed Filling Adapter H

1.000

St

new version

3

M34614

MODIF.KIT BALL VALVE

1.000

St

4

M35209

MRI Label

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

38

Parts catalog

Keyed filler adapter E

Item No.

Part No.

Description

Qty.

Qty. unit

9028953

MA check valve filling adapter

1.000

St

1

M30289

Keyed filler adapter E

1.000

St

old version

2

M35321

Keyed Filling Adapter E

1.000

St

new version

3

M34614

MODIF.KIT BALL VALVE

1.000

St

4

M35209

MRI Label

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

39

Parts catalog

Keyed filler adapter I

Item No.

Part No.

Description

Qty.

Qty. unit

9028953

MA check valve filling adapter

1.000

St

1

M30290

Keyed filler adapter I

1.000

St

old version

2

M35323

Keyed Filling Adapter I

1.000

St

new version

3

M34614

MODIF.KIT BALL VALVE

1.000

St

4

M35209

MRI Label

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

40

Parts catalog

Keyd filler adapter S

Item No.

Part No.

Description

Qty.

Qty. unit

9028953

MA check valve filling adapter

1.000

St

1

M31930

Keyed filler adapter S

1.000

St

old version

2

M35322

Keyed Filling Adapter S

1.000

St

new version

3

M34614

MODIF.KIT BALL VALVE

1.000

St

4

M35209

MRI Label

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

41

Parts catalog

Quik Fil Drain Adapter

Item No.

Part No.

Description

Qty.

Qty. unit

M34206

QUIK FIL DRAIN ADAPTER

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

42

Parts catalog

Gas supply block

Item No.

Part No.

Description

Qty.

Qty. unit

1

8602767

PRESSURE SENSOR

1.000

St

2

M19241

TOROIDAL SEALING RING

1.000

St

3

AF00220

CUFF

1.000

St

4

D04873

COPPER RING

1.000

St

5

D18348

SCREW PLUG

1.000

St

6

8413666

Pressure regulator

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

43

Parts catalog

Connecting block

Item No.

Part No.

Description

Qty.

Qty. unit

M31348

PLUG 04

1.000

St

M30954

L PLUG-TYPE CONNECTION

1.000

St

M30963

THRUST COLLAR 4, BLACK

1.000

St

1

R50117

O-RING SEAL

6.000

St

2

M30952

PLUG-TYPE CONNECTION

2.000

St

3

M31602

THRUST COLLAR 4, WHITE

2.000

St

4

M30960

PLUG-TYPE CONNECTION

1.000

St

5

M31601

THRUST COLLAR 6 BLACK

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

44

Parts catalog

Absorber and Sleeves

Item No.

Part No.

Description

Qty.

Qty. unit

2

M33719

ABSORBER POT

1.000

St

3

M33728

PACKING RING

1.000

St

4

M33720

ABSORBER INSERT, CPL.

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

45

Parts catalog

Monitor control pannel

Item No.

Part No.

Description

Qty.

Qty. unit

2

8603235

DISPLAY

1.000

St

Remark

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

46

Parts catalog

PGM 2 w. servomex / pato

Item No.

Part No.

Description

Qty.

Qty. unit

Remark

14

6870567

WATERTRAPS SET OF 12

1.000

St

besteht aus 12x 6870530

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

47

Parts catalog

PGM 3

Item No.

Part No.

Description

Qty.

Qty. unit

Remark

13

6870567

WATERTRAPS SET OF 12

1.000

St

12 x 6870511

Items that are shown in the illustration but are not listed below the illustration are not available as spare parts

5132.300

Revision: 2006-02-27 12:45:21

48

Primus Assembly

Parts catalog Description

Part No.

Absorber and Sleeves ABSORBER INSERT, CPL.

M33720

ABSORBER POT

M33719

PACKING RING

M33728

Accessories GA Endotracheale Bronchusabsau

9037477

GA WaterLock me

9029423

Accessories Anaesthesia ANAEST.-SET KUHN TYPE K

M34823

ANAEST.-SET KUHNTYPE E

M34822

ANAESTHETIC-MASK SZ,3

2165759

ANAESTHETIC-MASK SZ.1

2165732

ANAESTHETIC-MASK SZ.2

2165740

Connection nozzle O2 6mm

M06258

O2 flowmeter 16L, rail, Nist

2M86248

O2 flowmeter 16L,rail,90g,Nist

2M86249

Accessories Jar Set FILTER

MK00514

Accessories Julian BREATH.HOSE 150CMLONG SLEEVE

2166046

BREATH.HOSE LONG 110CM SLEEVE

2166038

NOZZLE 22/22

M25647

Sample Line Set (10pcs)

8290286

SILICON-BREATHING BAG 2,3 L

2166062

Y-PIECE ADULT,LUER LOCK

M33278

Accessories Pedeatrics

5132.300

90 -LUERLOCK FOR NEONATES

M34568

Breathing bag 0,5L ISO

2165686

BREATHING HOSE K 22/10 1,5M

2165961

BREATHING HOSE K 22/22 1,1M

2165678

CONNECTION PIECE

2M12754

CORRUGATED BELLOWS K

8410079

HOSE 4X1,5-SI 50 SH A NF

1190520

HOSESET CIRCLESYSTEM CHILDREN

M27542

NOZZLE 22/22

M25647

PEDIATRIC ACCESSORY

M33681

SET CAPS

8402953

Y-PIECE 90DEGREE

8403075

Revision: 2006-02

49

Primus Assembly

Parts catalog Description

Part No.

Accessories Suction ACCESS.SUCTION UNIT F.JULIAN

8601179

ANGULAR PORCELAIN BUSH

2M19063

ANGULAR PORCELAIN BUSH

M30159

ASPIRATION HOSE

M25780

CYLINDER CAP WITH VALVE

2M85012

HOSE 5X2SI 60SHA NF M25779

1203606

RECEPTACLE

2M85594

SECRETION CONTROL GLASS

M07582

AGS system FILTER

M33294

AGS system Canada FILTER

M33294

AGS-System AGS CONTAINER

M33292

AGS-SYSTEM, BASIC UNIT

M33300

FILTER

M33294

Label Vacuum Suction

8605459

AIR CONNECTING HOSE 3M (BLACK)

M29241

AIR CONNETING HOSE 1,5M(BLACK)

M29281

AIR

5132.300

AIR-CONNECTING HOSE 1,5M

M29279

AIR-CONNECTING HOSE 5M

M29259

AIR-CONNECTING HOSE 5M (BLACK)

M29261

AIR-HOSE NIST 1,5M DIN PROBE

M34407

AIR-HOSE NIST 3M DIN PROBE

M34408

AIR-HOSE NIST 5M DIN PROBE

M34409

AIR-ZV-HOSE 1,5M NIST EN-COLOR

8602519

AIR-ZV-HOSE 3M NIST EN-COLOR

8602520

AIR-ZV-HOSE 5M NIST EN-COLOR

8602521

Revision: 2006-02

50

Primus Assembly

Parts catalog Description

Part No.

02/AIR-CONNECTING HOSE 3M

M29243

AIR/O2-ZV-HOSE 1,5M NIST EN-C.

8602525

AIR/O2-ZV-HOSE 3M NIST EN-COL.

8602526

AIR/O2-ZV-HOSE 5M NIST EN-COL.

8602527

AIR/O2

O2/AIR-HOSE NIST 1,5MDIN PROBE

M34410

O2/AIR-HOSE NIST 3M DIN PROBE

M34411

O2/AIR-HOSE NIST 5M DIN PROBE

M34412

O2-AIR CONNECT.HOSE 3M(BLACK)

M29245

O2-AIR CONNECT.HOSE 5M (BLACK)

M29265

O2-AIR CONNECTING HOSE 1,5M

M29283

O2-AIR CONNECTING HOSE 5M

M29263

O2-AIR-CONNECT.HOSE 1,5(BLACK)

M29285

Anaesthesia Acc. Kuhn ANAEST.-SET KUHN TYPE K

M34823

ANAESTHETIC-GAS SCAV.(KUHN)

M25838

COUPLING SLEEVE

M13506

AGS-SYSTEM, BASIC UNIT

M33300

Basic Unit

Cagemount CAGEMOUNT

M35059

SCREW M 4X25

1343947

WASHER B 6,4 DIN 125-A4

1330705

Central Air distributor

5132.300

AIR-DISTRIBUTOR 1,5M

M28963

AIR-DISTRIBUTOR 1,5M (BLACK)

M29866

AIR-DISTRIBUTOR 1,5M DIN PROBE

M34561

AIR-DISTRIBUTOR 3M

M30709

AIR-DISTRIBUTOR 3M (BLACK)

M30711

AIR-DISTRIBUTOR 3M DIN-PROBE

M34562

AIR-DISTRIBUTOR 5M

M30710

AIR-DISTRIBUTOR 5M (BLACK)

M30712

AIR-DISTRIBUTOR 5M DIN-PROBE

M34563

AIR-ZV-DISTRIB.1,5M NIST EN-C.

8602531

AIR-ZV-DISTRIB.3M NIST EN-COL.

8602532

AIR-ZV-DISTRIB.5M NIST EN-COL.

8602533

Revision: 2006-02

51

Primus Assembly

Parts catalog Description

Part No.

Central O2 distributor DIAPHRAGM SEPARATION

M34492

O2-DISTR.1,5M DIN-ST.NIST-FN

M34941

O2-HOSE NIST 5M DIN PROBE

M34403

O2-ZV-DISTRIB.1,5M DIN BLUE

8602534

O2-ZV-DISTRIB.1,5M NIST EN-C.

8602528

O2-ZV-DISTRIB.3M DIN BLUE

8602535

O2-ZV-DISTRIB.3M NIST EN-COLOR

8602529

O2-ZV-DISTRIB.5M DIN BLUE

8602536

O2-ZV-DISTRIB.5M NIST EN-COLOR

8602530

Clutch adapter Adapter AIR DIN/DIN-coupling

M28031

Adapter AIR NIST/DIN-coupling

M35058

Adapter N2O DIN/DIN-coupling

M23875

Adapter N2O NIST/DIN-coupling

M35057

Adapter O2 NIST/DIN-coupling

M35056

O2-COUPLING HOSE 0,15M

M23874

Connecting block L PLUG-TYPE CONNECTION

M30954

O-RING SEAL

R50117

PLUG 04

M31348

PLUG-TYPE CONNECTION

M30960

PLUG-TYPE CONNECTION

M30952

THRUST COLLAR 4, WHITE

M31602

THRUST COLLAR 4, BLACK

M30963

THRUST COLLAR 6 BLACK

M31601

Connectors and Hoses AIR-NIST-CONNECTION

MX08054

CONNECTING HOSE 1,2M AIR/DISS

MX08058

HOSEINE NIST,O2 0,5M

MX08055

HOSELINE NIST/AIR 0,5M

MX08057

HOSELINE NIST-NIST N2O, O,5M

MX08056

N2O-NIST-CONNECTION

MX08053

OXYGENE-NIST-CONNECTION

MX08052

Draeger Sorb Draegersorb FREE (5L)

MX50050

Ejector type aspirat. NIST Air

5132.300

FILTER

MK00514

Suction Ejector, NIST

MK01420

Revision: 2006-02

52

Primus Assembly

Parts catalog Description

Part No.

Ejector type aspirator BACTERIA FILTERS

CH00102

SET OF 5 BACTERIA FILT.(CH102)

6723976

Filling Adapters Keyed filler adapter E

M30289

Keyed filler adapter H

M30288

Keyed filler adapter I

M30290

Keyed filler adapter S

M31930

QUIK FIL DRAIN ADAPTER

M34206

BACTERIA FILTER

8402868

BACTERIA FILTERS

CH00102

Filters

FILTER

MK00514

SET MIC.FILTER 654ST-ISOCLICK

6733895

SET OF 5 BACTERIA FILT.(CH102)

6723976

Gas supply block COPPER RING

D04873

CUFF

AF00220

Pressure regulator

8413666

PRESSURE SENSOR

8602767

SCREW PLUG

D18348

TOROIDAL SEALING RING

M19241

High Pressure Sensors HIGH PRESSURE SENSOR AIR

8603520

HIGH PRESSURE SENSOR N2O

8603315

HIGH PRESSURE SENSOR O2

8603316

Holders Vaporizer HOLDING DEVICE PARK.POS.RAIL

M26966

SUPPORT FOR PARKING POSITION

M25102

Hose DIN, device NIST ADAPTER O2 (DIN/NIST)

M32366

ADAPTOR AIR (DIN/NIST)

M32368

ADAPTOR AIR/O2 (DIN/NIST)

M32370

ADAPTOR N2O (DIN/NIST)

M32367

ADAPTOR VAC (DIN/NIST)

M32369

Hose DISS, device NIST

5132.300

ADAPTOR-AIR,DISS-NIST

M34877

ADAPTOR-N2O,DISS-NIST

M34876

ADAPTOR-O2,DISS-NIST

M34875

ADAPTOR-VAC,DISS-NIST

M34878 Revision: 2006-02

53

Primus Assembly

Parts catalog Description

Part No.

Hose NIST, device DIN ADAPTOR AIR (NIST/DIN)

M32495

ADAPTOR AIR/O2 (NIST/DIN)

M32497

ADAPTOR N2O (NIST/DIN)

M32494

ADAPTOR O2 (NIST/DIN)

M32493

ADAPTOR VAC (NIST/DIN)

M32496

Instructions for Use AGS A-Gas Awayline hu/cz

9038239

AGS A-Gas Awayline ru/pl

9038207

AGS A-Gas Awayline sv/no

9038206

AGS A-Gas Awayline zh/jp

9038208

INSTRUCTIONS FOR USE AGS DA/IT

9029425

Instructions for Use AGS de/en

9029327

INSTRUCTIONS FOR USE AGS FR/ES

9029426

INSTRUCTIONS FOR USE AGS FR/NL

9037424

Keyd filler adapter S Keyed filler adapter S

M31930

Keyed Filling Adapter S

M35322

MA check valve filling adapter

9028953

MODIF.KIT BALL VALVE

M34614

MRI Label

M35209

Keyed filler adapter E Keyed filler adapter E

M30289

Keyed Filling Adapter E

M35321

MA check valve filling adapter

9028953

MODIF.KIT BALL VALVE

M34614

MRI Label

M35209

Keyed filler adapter H Keyed filler adapter H

M30288

Keyed Filling Adapter H

M35320

MA check valve filling adapter

9028953

MODIF.KIT BALL VALVE

M34614

MRI Label

M35209

Keyed filler adapter I

5132.300

Keyed filler adapter I

M30290

Keyed Filling Adapter I

M35323

MA check valve filling adapter

9028953

MODIF.KIT BALL VALVE

M34614

MRI Label

M35209

Revision: 2006-02

54

Primus Assembly

Parts catalog Description

Part No.

KIT AGS Adapter MODIF.AGS-ADAPTER TITUS/SA2

M32976

Kit Parking holder SUPPORT FOR PARKING POSITION

M25102

Maintanance Parts/Service Sets FILTER

M33294

Maintenance parts 2-year Vapor kit

MX08235

CHEESE HEAD SCREW M4x30 DIN912

1343904

MESH BOTTOM

D18440

O-RING SEAL

M21929

SCREW M 4X12

1343866

SCREW M 4X25

1343947

Manual Ventilation

5132.300

Baby-Resutator 2000

2120941

Resutator 2000 adults

2120046

SILICON-BREATHING BAG 2,3 L

2166062

Revision: 2006-02

55

Primus Assembly

Parts catalog Description

Part No.

Manuals\Techn. Documentation GA VAPOR 2000 cs

DB01358

GA VAPOR 2000 da

DB01359

GA VAPOR 2000 DE

DB01188

GA VAPOR 2000 EN

DB01189

GA VAPOR 2000 ES

DB01191

GA VAPOR 2000 FR

DB01190

GA VAPOR 2000 hu

DB01356

GA VAPOR 2000 IT

DB01260

GA VAPOR 2000 ja

DB01353

GA VAPOR 2000 NL

DB01261

GA VAPOR 2000 no

DB01355

GA Vapor 2000 pl

DB01357

GA VAPOR 2000 pt

DB01352

GA VAPOR 2000 ru

DB01351

GA Vapor 2000 sk

DB01362

GA VAPOR 2000 SV

DB01262

GA Vapor 2000 tr

DB01363

GA VAPOR 2000 zh

DB01354

GA-VAPOR 2000 - FI

DB01263

IFU VAPOR 2000 en US

DB01273

TD Vapor 2000 de

9036025

TD Vapor 2000 en

9036026

TD Vapor 2000 es

9036197

TD Vapor 2000 fr

9036027

GA Dräger RS 232 Medibus de

9028320

GA MEDIBUS f. Primus en

9037426

Manual Dräger RS232 Medibus EN

9028258

Medibus

Monitor control pannel DISPLAY

5132.300

8603235

Revision: 2006-02

56

Primus Assembly

Parts catalog Description

Part No.

N2O-CONNECT.HOSE 1,5M (BACK)

M29277

N2O-CONNECT.HOSE 3M (BLACK)

M29237

N2O-CONNECT.HOSE 5M (BLACK)

M29257

N2O-CONNECTING HOSE 1,5M

M29275

N2O

N2O-CONNECTING HOSE 5M

M29255

N2O-CONNECTION HOSE 3M

M29235

N2O-HOSE NIST 1,5M DIN PROBE

M34404

N2O-HOSE NIST 3M DIN PROBE

M34405

N2O-HOSE NIST 5M DIN PROBE

M34406

N2O-ZV-HOSE 1,5M NIST EN-COLOR

8602516

N2O-ZV-HOSE 3M NIST EN-COLOR

8602517

N2O-ZV-HOSE 5M NIST EN-COLOR

8602518

O2

5132.300

O2-CONNECT.HOSE 1,5M (BLACK)

M29273

O2-CONNECT.HOSE 3M (BLACK)

M29233

O2-CONNECT.HOSE 5M (BLACK)

M29253

O2-CONNECTING HOSE 1,5M

M29271

O2-CONNECTING HOSE 5M

M29251

O2-CONNECTION HOSE 3M

M29231

O2-HOSE NIST 1,5M DIN-PROBE

M34401

O2-HOSE NIST 3M DIN PROBE

M34402

O2-HOSE NIST 5M DIN PROBE

M34403

O2-ZV-HOSE 1,5M NIST EN-COLOR

8602513

O2-ZV-HOSE 5M NIST EN-COLOR

8602515

O2-ZV-HOSE3M NIST EN-COLOR

8602514

Revision: 2006-02

57

Primus Assembly

Parts catalog Description

Part No.

O2-Pressure reducer G3/4

5132.300

CONNECTION PIECE

2312602

CONNECTION PIECE

2312603

DIAPHRAGM VALVE W.O-RING SEAL

2312600

FLAT PACKING

2312593

HIGH PRESSURE SENSOR N2O

8603709

HIGH PRESSURE SENSOR N2O

AF00532

HIGH PRESSURE SENSOR O2

8603704

HIGH PRESSURE SENSOR O2

AF00528

LOCK G 3/8"

2312604

LOCK M10X1

2312605

N2O-PRESSURE REDUCER G3/4I

M34017

N2O-PRESSURE REDUCER G3/8

M34018

N2O-PRESSURE REDUCER GH

M34020

N2O-PRESSURE REDUCER GI

M34022

N2O-PRESSURE REDUCER GX

M34021

N2O-PRESSURE REDUCER PIN INDEX

M34019

NUT N2O GER. G 3/4"

2312585

NUT N2O GER. G 3/8"

2312586

NYLON-GASKET 3/8"

2312606

NYLON-GASKET F. THREAD M10X1

2312607

O2-PRESSURE REDUCER G3/4

M34007

O2-PRESSURE REDUCER GA

M34009

O2-PRESSURE REDUCER GB-HS

M34012

O2-PRESSURE REDUCER GC-HT

M34016

O2-PRESSURE REDUCER GE

M34013

O2-PRESSURE REDUCER GO

M34014

O2-PRESSURE REDUCER PIN INDEX

M34008

O-RING SEAL N2O GERMANY

2312576

O-RING SEAL N2O GERMANY 3/8"

2312577

O-RING SEAL N2O GH

2312578

O-RING SEAL N2O GJ

2312579

O-RING SEAL O2 GA

2312573

O-RING SEAL O2 GC+GB

2312571

O-RING SEAL O2 GE

2312574

O-RING SEAL O2 GERMANY

2312572

O-RING SEAL O2 GO

2312575

PIN-INDEX BOW N2O

2312591

PIN-INDEX BOW O2

2312590

PIN-INDEX CONNECTING BRANCH

2312592

PRESS.RED.+SENSOR N2O PIN IND.

AF00530

PRESS.RED.+SENSOR O2 PIN INDEX

AF00529

PRESSURE GAUGE N2O

2312596

PRESSURE GAUGE O2

2312595

PRESSURE GAUGE PACKING RING

2312597 Revision: 2006-02

58

Primus Assembly

Parts catalog Description

Part No.

PRESSURE GAUGE PROTECTING CAP

2312594

PRESSURE SPRING

2312601

SAFETY VALVE N2O

2312599

SAFETY VALVE O2

2312598

TERMINAL NUR O2 GER.

2312580

PGM 2 w. servomex / pato WATERTRAPS SET OF 12

6870567

WATERTRAPS SET OF 12

6870567

PGM 3

PGM Primus O2-SENSOR-S

6850930

Plug-in adapter DW 2000 E BOLT

M34662

CAP FOR HANDLE

M34677

HANDLE (PLUG-IN SYSTEM DW)

M34676

Plug-in adapter DW-2000 E

M34726

SCREW M 4X12

1343866

WASHER A 4,3 DIN 125-A4

1327542

Plug-in adapter DW 2000 I BOLT

M34662

CAP FOR HANDLE

M34677

HANDLE (PLUG-IN SYSTEM DW)

M34676

Plug-in adapter DW-2000 I

M34727

SCREW M 4X12

1343866

WASHER A 4,3 DIN 125-A4

1327542

Plug-in adapter DW 2000 S BOLT

M34662

CAP FOR HANDLE

M34677

HANDLE (PLUG-IN SYSTEM DW)

M34676

Plug-in adapter DW-2000 S

M34728

SCREW M 4X12

1343866

WASHER A 4,3 DIN 125-A4

1327542

Plug-in adapter DW-2000 H

5132.300

BOLT

M34662

CAP FOR HANDLE

M34677

HANDLE (PLUG-IN SYSTEM DW)

M34676

Plug-in adapter DW-2000 H

M34725

SCREW M 4X12

1343866

WASHER A 4,3 DIN 125-A4

1327542

Revision: 2006-02

59

Primus Assembly

Parts catalog Description

Part No.

Plug-in adapter S-2000 BOLT

M34817

CAP FOR HANDLE

M34677

Hand lever

M34758

Plug-in adapter S-2000

M34821

SCREW M 4X12

1343866

WASHER A 4,3 DIN 125-A4

1327542

Plugs AGSS ANGLE PROBE / TYPE 1 / EN

G60495

AGSS PROBE/STRAIGHT-TYPE1/ EN

G60580

ANAESTH.WASTE GAS PROBE 45

G60440

Pressure Gauges PRESSURE GAUGE AIR

MX08049

PRESSURE GAUGE N2O,CO2,XE

MX08050

PRESSURE GAUGE O2

MX08048

Pressure Reducer Press.Red.Air,DIN477-1,Primus

8603719

Press.Red.Air,PIN IND.Primus

8603718

Press.Red.Air.NF E29-650,Prim

8603720

Press.Red.N2o,DIN477-1/11,Prim

8603463

Press.Red.N2o,DIN477-1/12,Prim

8603464

Press.Red.N2o,NF E29-650,Prim

8603711

Press.Red.N2o,PIN IND.Primus

8603462

Press.Red.o2, DIN477-1,Primus

8603465

Press.Red.o2,DIN477-1/6,Primus

8603706

Press.Red.o2,NF E29-650,Primus

8603707

Press.Red.o2,PIN INDEX,Primus

8603466

Primus 1 annual

5132.300

DIAPHRAGM,CUP

2600650

FILTER MAT

6870910

FILTER MAT

8603662

FILTER MAT

8603301

FILTER MAT

8603144

O-RING SEAL

U04314

Revision: 2006-02

60

Primus Assembly

Parts catalog Description

Part No.

Primus 2 annual DIAPHRAGM

8603780

DIAPHRAGM

M33275

DIAPHRAGM,CUP

2600650

FILTER MAT

6870910

FILTER MAT

8603301

FILTER MAT

8603585

FILTER MAT

8603662

FILTER MAT

8603144

MESH BOTTOM

M19238

NAFION HOSE 150 LG.

8601238

O-RING SEAL

R52382

O-RING SEAL

U04314

SEALING WASHER

8603781

Primus 3 annual Battery

8603057

DIAPHRAGM,CUP

2600650

FILTER MAT

8603662

FILTER MAT

8603144

FILTER MAT

8603301

FILTER MAT

6870910

O-RING SEAL

U04314

Products concerned Vapor 2000 Enflurane

M35150

Vapor 2000 Halothane

M35140

Vapor 2000 Isoflurane

M35160

Vapor 2000 Sevoflurane

M35170

Quik Fil Drain Adapter QUIK FIL DRAIN ADAPTER

M34206

Rep. Set Pflug-In System REP.SET PLUG-IN SYSTEM

M34907

RS AGS- Schienenklaue Lever-type clamp

M25739

MODIFICATION AGS-RAIL CLAMP

M32967

Upgrade kit Spo2 Primus

8603870

RS SpO2

Secretion bottles with claw

5132.300

Lever-type clamp

M25739

RECEPTACLE

2M85594

Revision: 2006-02

61

Primus Assembly

Parts catalog Description

Part No.

Sensors and Gas Measurement O2-SENSOR-S

6850930

Sample Line Set (10pcs)

8290286

Set of 5 Spirolog sensors

8403735

SpiroLife

MK01900

WATERTRAPS SET OF 12

6870567

Sets and Spare Parts MESH BOTTOM

D02316

PROTECTING CAP

MX08051

REP.SET GASKET

MX08061

REP.SET GASKET/B (ENGLAND )

MX08159

REP.SET GASKET/C (USA)

MX08158

REP.SET GASKET/F ( FRANKREICH)

MX08157

REP.SET GASKET/N (NIEDERLANDE)

MX08160

SET OF PACKING RINGS

D20215

Software 1.n

5132.300

EB zur GA Primus de/en

9037930

GA Primus SW 1.06 fr

9037731

GA Primus SW 1.06 no

9037738

GA Primus SW 1.06 da

9037668

GA Primus SW 1.06 en

9037730

GA Primus SW 1.06 es

9037732

GA Primus SW 1.06 fi

9037737

GA Primus SW 1.06 ge

9037729

GA Primus SW 1.06 hu

9037742

GA Primus SW 1.06 it

9037733

GA Primus SW 1.06 nl

9037734

GA Primus SW 1.06 pl

9037740

GA Primus SW 1.06 pt

9037741

GA Primus SW 1.06 ru

9037736

GA Primus SW 1.06 sk

9037748

GA Primus SW 1.06 sv

9037735

GA Primus SW 1.06 zh

9037739

Revision: 2006-02

62

Primus Assembly

Parts catalog Description

Part No.

Software 2.n 50 Primus SW 2.n fr

9037992

GA Primus SW 2.n cs

9038006

GA Primus SW 2.n da

9038000

GA Primus SW 2.n de

9037990

GA Primus SW 2.n el

9038008

GA Primus SW 2.n en

9037991

GA Primus SW 2.n es

9037993

GA Primus SW 2.n fi

9037998

GA Primus SW 2.n hu

9038003

GA Primus SW 2.n it

9037994

GA Primus SW 2.n nl

9037995

GA Primus SW 2.n no

9037999

GA Primus SW 2.n pl

9038005

GA Primus SW 2.n pt

9038001

GA Primus SW 2.n ru

9037997

GA Primus SW 2.n sk

9038004

GA Primus SW 2.n sv

9037996

GA Primus SW 2.n zh

9038002

Suction hoses AGS-SCAVANGER HOSE 0,5M

M35015

AGS-SCAVANGER HOSE 1,5M

M33297

AGS-SCAVANGER HOSE 3M

M33298

AGS-SCAVANGER HOSE 5M

M33299

TD Primus

5132.300

TD Primus de

9036003

TD Primus de

9036180

TD Primus en

9036004

TD Primus es

9036005

TD Primus fr

9036006

TDPrimus es

9036179

Revision: 2006-02

63

Primus Assembly

Parts catalog Description

Part No.

VAC.-CONNECT.HOSE 1,5M(BLACK)

M29289

VAC.-CONNECT.HOSE 3M (BLACK)

M29249

VAC.-CONNECT.HOSE 5M (BLACK)

M29269

VAC-HOSE NIST 1,5M DIN PROBE

M34413

VAC-HOSE NIST 3M DIN PROBE

M34414

VAC-HOSE NIST 5M DIN PROBE

M34415

VACUUM-CONNECTION HOSE 1,5M

M29287

VACUUM-CONNECTION HOSE 3M

M29247

VACUUM-CONNECTION HOSE 5M

M29267

VAC-ZV-HOSE 1,5M NIST EN-COLOR

8602522

VAC-ZV-HOSE 3M NIST EN-COLOR

8602523

VAC-ZV-HOSE 5M NIST EN-COLOR

8602524

CAP 1,BLACK

M24597

VAC

Valve

Vapor plug-in system w. pivot AM4X8 DIN 963-A4/051

1329324

FIXING CAM

M28935

O-RING SEAL

U04314

O-RING SEAL

D18400

PACKING RING

M05128

SCREW AM2X4 DIN 963-A4

1334514

VAPOR PLUG-IN SYSTEM W.PIVOT

M26588

Vaporizer 19.n DEVAPOR GERMAN

M32600

E-VAPOR 19.3/5% PIN SAFETY

DB01128

H.VAPOR 19.3/4% PIN SAFETY

DB01154

I-VAPOR 19.3/5% PIN SAFETY

DB01129

S-VAPOR 19.3/8% ABBOTT

DB01180

S-VAPOR 19.3/8% PIN SAFETY

DB01166

Without plug, color EN 739

5132.300

AIR-DISTRIBUTOR 5M,NO PLUG

M34564

CS-HOSE N2O,5M,NO PLUG

M34417

CS-HOSE AIR 5M, NO PROBE

M34418

CS-HOSE AIR-O2,5M,NO PLUG

M34420

CS-HOSE O2 5M, NO PROBE

M34416

CS-HOSE VAC,5M,NO PLUG

M34419

O2-DISTRIBUTOR 5M,NO PLUG

M34565

Revision: 2006-02

64

Primus Assembly

Parts catalog Description

Part No.

Without plug, no color AIR-DISTRIB.NIST 5M,BL,N.PROBE

M32677

AIR-HOSE 5M NIST BL., NO PROBE

M32039

N2O-HOSE 5M,NIST,BL.,NO PROBE

M32038

O2/AIR HOSE 5M NIST,BL.,NO PR.

M32047

O2-DISTRIB.NIST 5M,BL,N.PROBE

M32679

O2-HOSE 5M NIST BL., NO PROBE

M32037

VAC.HOSE 5M,NIST,BL.,NO PROBE

M32046

Y-PIECE

8405435

Y-Pieces

5132.300

Y-PIECE 90DEGREE

8403075

Y-PIECE ADULT

M25682

Y-PIECE ADULT,LUER LOCK

M33278

Y-PIECE ADULT,STRAIGHT

M25650

Y-PIECE F.TEMPERATURE SENSING

M30543

Y-PIECE F+P

8412220

Y-PIECE STRAIGHT PAED

M27077

Revision: 2006-02

65

66

Test List (TL) Primus This test list can be processed with standard commercially available test aids and tools, but does not replace the inspections and maintenance work carried out by the manufacturer. Tests marked with the "check" symbol are listed in the Test List Report and can be documented there. Country-specific ventilation mode terms in SW versions earlier than 2.0: International: Man./Spont = France: Man./Spont. International: IPPV mode = France: VC International: PCV mode = France: VPC Country-specific ventilation mode terms in SW versions 2.0 or later: International: Man./Spont. = France: Man./Spont. International: Vol.Mode = France: Mode Vol. International: Press.Mode = France: Mode Press. International: Press.Supp. = France: A.I. = (option) Conversion table: 1 bar = 14.504 PSI / 1 mbar = 1.01973 cm H2O

Primus

2003-12

Released

1/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

1

Device configuration

1.1

Serial numbers

1.1.1

Primus

[__________txt]

The serial number is located on the rear of the Primus. 1.1.2

[__________txt]

Breathing system cover The serial number is located on the rim of the cover.

1.1.3

[__________txt]

Breathing system valve plate The serial number is located on the heating surface.

1.1.4

[__________txt]

Respiratory gas block The serial number is located under the cover of the piston cylinder unit.

1.2

Serial numbers (options)

1.2.1

External bronchial suction device

[__________txt]

(If a number is present.) 1.2.2

High-pressure regulator O2

[__________txt]

1.2.3

High-pressure regulator N2O

[__________txt]

1.2.4

High-pressure regulator AIR

[__________txt]

1.2.5

High-pressure cylinder O2

[__________txt]

(If a number is present.) 1.2.6

[__________txt]

High-pressure cylinder N2O (If a number is present.)

1.2.7

[__________txt]

High-pressure cylinder AIR (If a number is present.)

1.3

Software versions Primus is in "Standb"y mode. Press the "Standard Config" softkey and, if necessary, enter the security code. Press the "System Information" softkey. Read out the following software versions.

1.3.1

[__________txt]

Mobi

Primus

2003-12

Released

2/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

1.3.2

MIXER MA

[__________txt]

1.3.3

MIXER SV

[__________txt]

1.3.4

VGC MA

[__________txt]

1.3.5

VGC SV

[__________txt]

1.3.6

PGM

[__________txt]

The software version of the "PGM" is displayed for approximately 2 minutes after power-up. 1.3.7

[__________txt]

Power pack

Primus

2003-12

Released

3/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

2

Electrical safety For a detailed description of the electrical safety tests, see DORIS under "Electrical tests/Test documents/Electrical safety tests" or eSIS under "General/Electrical tests/Electrical safety tests".

2.1

General The following steps describe the electrical safety tests according to IEC 60601 (or UL 2601-1) and VDE 0751. Any decision about performing safety checks according to VDE 0751 or IEC 60601 must be made under consideration of applicable national regulations. The Primus conforms to the requirements of protection class I. With option SpO2 to type BF.

2.2

[__________OK]

Visual check Precondition: Primus is switched off. Power plug is unplugged. Check the following components are in perfect working condition: Mains power cable including strain relief. Auxiliary sockets. On auxiliary sockets with automatic circuit-breakers, check the circuitbreakers are switched on. The automatic circuit-breakers are switched on. On auxiliary sockets with automatic circuit-breakers, check the ratings correspond to the imprint. The ratings correspond to the imprint. [OK]

2.3

Electrical safety according to VDE 0751 INFO: When testing to IEC60-601 or UL2601-1, continue with test item 2.4. Precondition: Primus is switched off. Power plug is unplugged.

2.3.1

Protective earth conductor test

2.3.1.1

Test sequence Connect the test probe to the following test points one after the other: Power pack earthing stud PE contacts on auxiliary sockets The protective earth conductor resistance at any test point must be less than/equal to 0.3 ohms.

2.3.1.2

[__________OK]

PE conductor test value Test value including power cable: R = less than/equal to 0.3 ohms.

Primus

2003-12

Released

4/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

2.3.2

Equivalent device leakage current test

2.3.2.1

Initial equivalent device leakage current

[__________μA]

Ileak less than or equal to 1000 μA Each initial measured value should be included in a new report. The repeat measurements may exceed the initial value by max. 50%, but, at the same time, must be less than/equal to 750μA. 2.3.2.2

[__________μA]

Repeat measurement of equivalent device leakage current Ileak less than/equal to 1000 μA, but maximum permissible deviation from initial value is 50%.

2.3.3

Equivalent patient leakage current test INFO: This test is only required if the SpO2 option is fitted.

2.3.3.1

[__________μA]

Initial equivalent patient leakage current Ileak less than/equal to 50 μA. Each initial measured value should be included in a new report. The repeat measurements may exceed the first measured value by max. 50%. In the case of initial measured values < 20 μA, repeat measurements may deviate by up to 10 μA.

2.3.3.2

[__________μA]

Repeat measurement of equivalent patient leakage current Ileak less than/equal to 50 μA.

2.4

Electrical safety to IEC 60-601 INFO: The test to UL2601-1 is satisfied by testing to IEC 60-601-1. Differing limit values are marked. Precondition: Primus is switched off. Power plug is unplugged.

2.4.1

Protective earth conductor test

2.4.1.1

Test sequence Connect the test probe to the following test points one after the other: Power pack earthing stud. PE contacts on auxiliary sockets. The protective earth conductor resistance at any test point must be less than/equal to 0.3 ohms.

2.4.1.2

[__________OK]

PE conductor test value Test value including power cable: R = less than/equal to 0.3 ohms.

Primus

2003-12

Released

5/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

2.4.2

Earth leakage current

2.4.2.1

Earth leakage current N.C. (IEC)

[__________μA]

(normal condition) Test value to IEC 60-601: less than or equal to 500 μA 2.4.2.2

[__________μA]

Earth leakage current S.F.C. (IEC) (single fault condition, open circuit in neutral conductor) Test value to IEC 60-601: less than or equal to 1000 μA

2.4.2.3

[__________μA]

Earth leakage current N.C. reversed (IEC) (normal condition, power plug reversed) Test value to IEC 60-601: less than or equal to 500 μA

2.4.2.4

[__________μA]

Earth leakage current S.F.C. reversed (IEC) (single fault condition, open circuit in neutral conductor, power plug reversed) Test value to IEC 60-601: less than or equal to 1000 μA

2.4.2.5

[__________μA]

Earth leakage current N.C. (UL) (normal condition) Test value to UL 2601-1: less than or equal to 300 μA

2.4.2.6

[__________μA]

Earth leakage current S.F.C. (UL) (single fault condition, open circuit in neutral conductor) Test value to UL 2601-1: less than or equal to 300 μA

2.4.2.7

[__________μA]

Earth leakage current N.C. reversed (UL) (normal condition, power plug reversed) Test value to UL 2601-1: less than or equal to 300 μA

2.4.2.8

[__________μA]

Earth leakage current S.F.C. reversed (UL) (single fault condition, open circuit in neutral conductor, power plug reversed) Test value to UL 2601-1: less than or equal to 300 μA

2.4.3

Patient leakage current test INFO: This test is only required if the "SpO2" option is fitted.

2.4.3.1

[__________μA]

Patient leakage current N.C. (normal condition) Test value: less than or equal to 100 μA

2.4.3.2

[__________μA]

Patient leakage current N.C. reversed (normal condition, power plug reversed) Test value: less than or equal to 100 μA

Primus

2003-12

Released

6/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

2.4.3.3

[__________μA]

Patient leakage current S.F.C. (single fault condition, open circuit in neutral conductor) Test value: less than or equal to 500 μA

2.4.3.4

[__________μA]

Patient leakage current S.F.C. reversed (single fault condition, open circuit in neutral conductor, power plug reversed) Test value: less than or equal to 500 μA

Primus

2003-12

Released

7/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3

Function and condition test

3.1

Input test

3.1.1

Note INFO: To detect possible device faults at an early stage, this step tests whether the self-test was completed without error.

3.1.2

[__________OK]

Test sequence Fit up Primus fully and perform power-on test. The power-on test is run through without error. [OK] Primus is in "Standb"y mode. [OK] Switch off the Primus.

3.2

[__________OK]

Accompanying documents The Instructions for Use and the unit log are available (according to the user).

3.3

General condition of equipment

3.3.1

Checking condition and legibility of markings

[__________OK]

3.3.2

Condition/function of base unit

[__________OK]

Condition of membrane keypad. Condition and function of flush button. The flush button can be operated without sticking. Condition and function of safety flow control. Unlock, open, close, and lock the safety flow control. VGC plug-in unit. Condition and function of rail system. Remove the breathing system. Condition and function of spring contacts of electrical interface to breathing system heater. Condition of pneumatic interface connectors at VGC. Condition of control knob. Function and condition of writing tray. Function and condition of drawer, if fitted Function and condition of rear panel doors with lock. Condition of unit rails and handles. Function and condition of castors and brakes, if fitted.

Primus

2003-12

Released

8/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.3.3

Condition/function of breathing system Remove the breathing system. INFO: A layout diagram of the valves of the breathing system is presented in the appendix.

3.3.3.1

[__________OK]

Breathing system cover Condition of breathing system cover (no cracks or other damage). Condition of APL valve lever. Condition of APL valve disk. Condition of handle. Condition of the 5 locking screws.

3.3.3.2

[__________OK]

Valve panel Condition of RV1, inspiratory and expiratory valve. Look especially for dirt contamination and damage to the seat and the ceramic disk. Condition of APL valve seat. Condition of PEEP diaphragm V1. Condition of Man/Spont/Automatic switchover diaphragm V2. Condition of RV2. Condition of valve plate sealing surfaces. Condition of heating surface. Condition of electrical heating contacts and their silicone protection.

3.3.3.3

[__________OK]

Respiratory gas block Condition of respiratory gas block. No cracks or other damage. Condition of inspiratory and expiratory socket. Additionally unscrew sockets, remove flow sensors and check 4 x O-rings for flow sensor sealing. Condition/function of the 3 locking screws of the breathing system. Condition/function of manual breathing bag socket. Condition of PEEP valve seat. Condition of Man./Spont./Automatic switchover valve seat. Condition of pneumatic port seals. Condition of absorber canister seal. Condition of absorber element seal.

3.3.3.4

[__________OK]

Absorber canister Condition of absorber canister. Primus

2003-12

Released

9/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.3.3.5

[__________OK]

Absorber insert Condition of absorber insert. No damage. Condition of seal between absorber canister and absorber element.

3.3.4

[__________OK]

Condition/function of accessories Function and condition of bag resuscitator. Condition of manual breathing bag. Condition of O2, AIR and N2O central supply connections (check plug coupling, country-specific colour coding and terminal coding). Function and condition of hinged arm, if fitted.

3.3.5

Bronchial suction device (if fitted) INFO: Primus may be equipped with a bronchial suction device type 2M85032 or type MK014xx. For illustrations of the different types, see annex.

3.3.5.1

[__________OK]

Condition of bronchial suction device Housing. Vacuum switch, toggle switch for control loop operation and full capacity. Control valve. Pressure gauge. Connecting hose from suction device to secretion jar. Vacuum connecting hose (only with vacuum version). Central supply connecting hose (only with ejector version). With type MK0014xx, check also: Condition of the silicone plug (MK00762). To do so, remove the bacterial filter (MK00514). The bacterial filter can be removed using a normal amount of force. The silicone plug must be replaced if the bacterial filter can be removed very easily. In case of replacement, apply a small amount of Barrierta ISL/OX grease on the rim of the new silicone plug. Otherwise it will be difficult to change the bacterial filter later.

3.3.5.2

[__________OK]

Condition/function of cylinder mount Condition and function of swivel device. Condition and function of telescopic arm. Condition of cylinder holder.

Primus

2003-12

Released

10/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.3.5.3

[__________OK]

Condition of secretion jar and accessories Secretion suction hose. Secretion jar. Jar caps Pressure relief valve (if fitted).

3.4

Vaporizer plug-in system

3.4.1

Vaporizer plug-in system mounting pins

[__________OK]

The mounting pins must not be detachable by hand. 3.4.2

[__________OK]

Interlock Check two-way function with vaporizers fitted. It is only possible to switch on one vaporizer at a time.

3.4.3

[__________OK]

Selectatec plug-in system interlock (if fitted) Check two-way function with vaporizers fitted. It is only possible to switch on one vaporizer at a time.

3.5

AGS system

3.5.1

Condition of AGS system

[__________OK]

If one of the two excess gas connections is used: Check that screw plug is fitted in socket on side of AGS mounting system. 3.5.2

[__________OK]

Function of AGS system Connect the AGS suction hose to the anesthetic suction outlet. The float in the flowmeter tube of the AGS system should move between the upper and lower marks.

3.5.3

[__________OK]

Function of flow control in AGS USA variant Adjust the fine-control valve at the outlet of the AGS system. The position of the float in the flowmeter tube of the AGS system changes. [OK] Adjust the flow control valve such that the float is in the middle position.

Primus

2003-12

Released

11/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.6

Bronchial suction device (if fitted) INFO: Primus may be equipped with a bronchial suction device type 2M85032 or type MK014xx. For illustrations of the types, see annex to the PMS procedure, section "Technical Information". The required maintenance parts depend on the type fitted. The different performance data must be taken into consideration with the ejector type. INFO: Check the ejector suction or vacuum suction device. Depending on which is fitted. With vacuum suction, continue with "Function of vacuum suction device".

3.6.1

Function of ejector suction device Fit the complete suction device. Connect the AIR supply (2.7 bar to 5.5 bar). If fitted, set the vacuum switch to "Control" mode. Otherwise set the vacuum switch to "On". Set the flow control valve to maximum vacuum and seal off the secretion suction tube. Read off the negative pressure from the pressure gauge on the bronchial suction device.

3.6.1.1

[__________OK]

Static end-pressure (type MK014xx) Pstat = -0.5 bar to -0.95 bar

3.6.1.2

[__________OK]

Static end-pressure (type 2M85032) The central-supply pressure dependent values are listed in the following table. Interpolate the tolerance for deviating central supply pressure values. Central supply pressure = 5.5 bar Tolerance for vacuum = 700 mbar to 900 mbar Central supply pressure = 4.5 bar Tolerance for vacuum = 500 mbar to 900 mbar Central supply pressure = 3.5 bar Tolerance for vacuum = 300 mbar to 900 mbar Central supply pressure = 2.5 bar Tolerance for vacuum = 150 mbar to 900 mbar Set the vacuum switch to "Off".

Primus

2003-12

Released

12/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.6.1.3

[__________OK]

Function of vacuum switch (type MK014xx) Set the vacuum switch to "Control" mode. Seal off the secretion suction tube. With a flow control valve, set a negative pressure of approx. 1/2 Pstat. Set the vacuum switch to "full power". P = Pstat Set the vacuum switch to "Off". Disconnect the central supply. Continue with test item 3.7.

3.6.2

[__________OK]

Function of vacuum suction device Fit the complete vacuum suction device and connect it to the vacuum supply. If fitted, set the vacuum switch to "Control" mode. Otherwise set the vacuum switch to "On". Set the flow control valve to maximum pressure and seal off the secretion suction tube. The vacuum "Pvac" is built up. [OK]

3.6.2.1

[__________OK]

Function of vacuum switch (type MK014xx) Set the vacuum switch to "Control" mode. Seal off the secretion suction tube. With a flow control valve, set a negative pressure of approx. 1/2 Pvac. Set the vacuum switch to "full power". P = Pvac Set the vacuum switch to "Off". Disconnect the vacuum tube.

3.7

High-pressure modification set (if fitted)

3.7.1

Condition of high-pressure conversion kit

3.7.1.1

Condition test of high-pressure regulator

[__________OK]

Housing. Labeling. HD connecting hoses. High-pressure sensors including unit connectors. 3.7.1.2

[__________dat]

TÜV expiry date, O2 high-pressure cylinder If fitted, check and enter TÜV expiry date of O2 high-pressure cylinder (every 10 years).

Primus

2003-12

Released

13/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.7.1.3

[__________dat]

TÜV expiry date, N2O high-pressure cylinder If fitted, check and enter TÜV expiry date of N2O high-pressure cylinder (every 10 years).

3.7.1.4

[__________dat]

TÜV expiry date, AIR high-pressure cylinder If fitted, check and enter TÜV expiry date of N2O high-pressure cylinder (every 10 years).

3.7.1.5

[__________OK]

Expiry date (AIR, O2 and N2O) AIR, O2 and N2O class as medication. Check use-by date, if available. AIR use-by date. O2 use-by date. N2O expiry date.

3.7.1.6

[__________OK]

Condition of high-pressure cylinders Cylinder jackets. Cylinder caps. Velcro strap.

3.7.2

High-pressure regulator performance test Info: The respective version (2.5 bar or 5 bar) is indicated on the name plate of the high-pressure regulator. Connect the Primus to the mains power. Close the high-pressure cylinder. Disconnect the connecting tube of the high-pressure regulator being tested from the Primus and connect it to a flowmeter (measuring range > 75 L/min). Switch on the Primus. Confirm the checklist. The cylinder pressures (supply pressure) are shown on the self-test screen. Slowly open the relevant high-pressure cylinder until a supply pressure of approx. 10 bar is set. At the same time, read the flow on the flowmeter. Close the high-pressure cylinder. Connect the connecting hose of the high-pressure regulator to the Primus.

3.7.2.1

[__________OK]

O2 performance test Measure at a supply pressure of approx. 10 bar: Pressure regulator type 5 bar >75 L/min. Pressure regulator type 2.5 bar >40 L/min.

3.7.2.2

[__________OK]

N2O performance test (if fitted) Measure at a supply pressure of approx. 10 bar: Pressure regulator type 5 bar >60 L/min Pressure regulator type 2.5 bar >35 L/min

3.7.2.3

[__________OK]

AIR performance test (if fitted) Measure at a supply pressure of approx. 10 bar: Pressure regulator type 5 bar >75 L/min Pressure regulator type 2.5 bar >40 L/min.

Primus

2003-12

Released

14/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.7.3

Downstream pressure test Close the high-pressure cylinders. Disconnect the connecting tube of the high-pressure regulator being tested from the Primus and connect it to a pressure gauge (measuring range 10 bar). Open the high-pressure cylinder. Read the downstream pressure on the pressure gauge.

3.7.3.1

[__________bar]

O2 downstream pressure test High-pressure regulator type 5 bar, downstream pressure 5 bar to 6 bar.

3.7.3.2

[__________bar]

O2 downstream pressure test High-pressure regulator type 2.5 bar, downstream pressure 2.4 bar to 2.95 bar.

3.7.3.3

[__________bar]

N2O downstream pressure test High-pressure regulator type 5 bar, downstream pressure 5 bar to 6 bar.

3.7.3.4

[__________bar]

N2O downstream pressure test High-pressure regulator type 2.5 bar, downstream pressure 2.4 bar to 2.95 bar.

3.7.3.5

[__________bar]

AIR downstream pressure test High-pressure regulator type 5 bar, downstream pressure 5 bar to 6 bar.

3.7.3.6

[__________bar]

AIR downstream pressure test High-pressure regulator type 2.5 bar, downstream pressure 2.4 bar to 2.95 bar.

Primus

2003-12

Released

15/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.7.4

Blow-off valve test Info: This test requires the use of a controllable high-pressure regulator (control range up to 10 bar) with an high-pressure cylinder. Prepare the following test set-up. Legend to the Figure: 1 = High-pressure cylinder on Primus 2 = High-pressure regulator on Primus 3 = Connecting hose to Primus 4 = Pressure gauge, measuring range 10 bar 5 = Controllable test pressure regulator 6 = Test cylinder Leave the high-pressure cylinder on Primus (Fig. 1/1) closed. Adjust the least possible pressure on the test pressure regulator. Open the test cylinder (Fig. 1/6). Use the test pressure regulator to increase the pressure until the blow-off valve opens and a flow noise can be heard. Repeat this procedure twice and then read the opening pressure on the pressure gauge of the test pressure regulator (and record the value).

3.7.4.1

[__________bar]

O2 opening pressure Tolerance: 6,5 bar to 8,5 bar.

3.7.4.2

[__________bar]

N2O opening pressure (if available) Tolerance: 6,5 bar to 8,5 bar.

Primus

2003-12

Released

16/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.7.4.3

[__________bar]

AIR opening pressure (if available) Tolerance: 6,5 bar to 8,5 bar. Remove the test set-up.

3.7.5

[__________OK]

High-pressure sensors reference pressure test Info: The internal pressure of the high-pressure cylinders must be known for this test. Connect the high-pressure connecting hose to Primus. Switch on Primus and wait until the check list is displayed. Open the high-pressure cylinders. Compare the pressure displayed in the check list with the internal pressure of the high-pressure cylinders. The O2 pressure reading corresponds to the internal pressure of the O2 high-pressure cylinder (maximum deviation 10%). The O2 high-pressure LED on the Primus front lights green. [OK] The AIR pressure reading (if available) corresponds to the internal pressure of the AIR high-pressure cylinder (maximum deviation 10%). The AIR high-pressure LED on the Primus front lights green. [OK] The N2O pressure reading (if available) corresponds to the internal pressure of the N2O high-pressure cylinder (maximum deviation 10%). The N2O high-pressure LED on the Primus front lights green. [OK] Close the high-pressure cylinders. Switch off the Primus.

Primus

2003-12

Released

17/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.8

[__________OK]

Function of UPS This test includes a check of the battery capacity. Consequently, the battery must be fully charged. INFO: In the battery capacity test, the Primus must be run for 30 minutes without mains power. During this time you can continue with the other tests. After 30 minutes the mains power must be restored. Connect the Primus to the mains power. The external power LED lights up. The LED is on the front panel of the Primus. [OK] Switch on the Primus. Confirm the checklist. The battery charge (percentage) is shown on the display next to the battery symbol. The battery charge must be 90% to 100%. [OK] Pull the mains power plug of the Primus from the mains power supply and start the stopwatch. The external power indicator LED goes out and the battery power indicator LED lights up. [OK] Primus is powered by the UPS for 30 minutes. [OK] At the end of the 30 minutes reconnect the mains power plug to the mains power supply.

3.9

[__________OK]

External O2 flowmeter (if fitted) Connect the Primus only to the O2 central supply (the other central supplies must not be connected). Open the fine control valve of the external O2 flowmeter. The flowmeter float lifts. Close the fine control valve of the external O2 flowmeter.

Primus

2003-12

Released

18/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.10

[__________OK]

LEDs and sensors of the central supply Info: The central supply pressure must be known for this test. If necessary, measure it with an appropriate pressure gauge. Switch Primus off and back on and let it run through until the checklist appears. Do not confirm the checklist. Connect the Primus to the O2 central supply (the other central supply gases must not be connected). The O2 central supply LED on the Primus front is lit steadily green. The O2 central supply pressure is displayed in the check list. Maximum permissible deviation is 200 mbar. [OK] Additionally connect the Primus to the central AIR supply. The O2 and AIR central supply LEDs on the Primus front are lit steadily green. The AIR central supply pressure is displayed in the check list. Maximum permissible deviation is 200 mbar. [OK] Additionally connect the Primus to the N2O central supply. The O2, AIR and N2O central supply LEDs on the Primus front are lit steadily green. The N2O central supply pressure is displayed in the check list. Maximum permissible deviation is 200 mbar. [OK]

3.11

[__________OK]

Fresh gas flow Confirm the checklist and run the Primus self-test. Confirm the message indicating that there is no mains power by pressing the relevant softkey. The leakage for "auto" is less than/equal to 100 mL/min.

3.11.1

Fresh gas flow function Start Primus in "Man/Spont" mode. Set the APL valve to 70 mbar. Connect a flowmeter (measuring range 14 L/min) to the manual breathing port and set the fresh gas flow.

3.11.1.1

[__________L/min]

Target 1 L/min Set a target value of 1 L/min. Measured value: 0.9 L/min to 1.1 L/min.

3.11.1.2

[__________L/min]

Target 8 L/min Set a target value of 8 L/min. Measured value: 7.2 L/min to 8.8 L/min.

3.11.1.3

[__________L/min]

Target 14 L/min Set a target value of 14 L/min. Measured value: 12.6 L/min to 15.4 L/min. Reset the fresh-gas flow to 2 L/min. Set Primus to "standb"y mode. Do not change the test set-up.

Primus

2003-12

Released

19/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.11.2

Function of safety flow control Switch Primus to standby mode. Unlock the safety flow control. Set the safety flow control to 3 L/min. The flow is between 2.1 L/min and 3.9 L/min. [OK] Set the safety flow control to 12 L/min. The flow is between 8.4 L/min and 15.6 L/min. [OK] Set the safety flow control to 0 L/min and lock it.

3.12

Function of O2 flush Connect a flowmeter (measuring range 45 L/min) to the manual breathing port.

3.12.1

[__________OK]

O2 flush colour marking The colour marking conforms to the country-specific requirements.

3.12.2

[__________L/min]

Flow of O2 flush Press the O2 Flush button and measure the flow. The flow must be between 35 L/min and 45 L/min.

3.12.3

[__________OK]

Mechanical functioning of O2 flush Press the O2 Flush button and release it again. The O2 Flush button does not stick. [OK] Remove the test set-up. Connect the manual breathing bag.

3.13

Function of A-cone (if fitted)

3.13.1

A-cone safety valve

[__________OK]

Select "external fresh gas" mode. Connect a pressure gauge (measuring range 100 mbar) to the outlet of the A-cone. Set the safety flow control to 12 L/min. The pressure indicated on the pressure gauge increases to between 65 mbar and 80 mbar. Set the safety flow control to 0 L/min and lock it. Remove the test set-up. Set Primus to "standb"y mode. 3.14

Checking pressure measurement and APL valve test Switch Primus to "Man/Spont" mode. Remove the manual breathing bag. Connect the pressure gauge (measuring range 100 mbar) to the cone for the manual breathing bag. Set the safety flow control to approx. 3 L/min and build up a pressure in the system.

Primus

2003-12

Released

20/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.14.1

[__________hPa]

APL valve test Set the APL valve to 30 hPa. Read off the APL pressure at the pressure gauge and enter it. The value may be between 25 hPa and 35 hPa.

3.14.2

[__________OK]

Variation of Primus pressure measurement To activate its pressure measurement the Primus requires a trigger pulse. To do so, toggle the APL valve back and forth repeatedly between "Man" and "Spont". At the "Man" setting wait each time for the pressure to be limited at approx. 30 hPa. As soon as the pressure value "Peak" appears, compare it against the pressure readout on the pressure gauge. The measured values may differ by max. 2 hPa. Remove the pressure gauge and connect the manual breathing bag. Close the safety flow control.

3.15

[__________OK]

SpO2 (if fitted) Connect the SpO2 sensor. Connect the finger clip. Measure oxygen saturation on your own finger. SpO2 display: > 95 %

3.16

[__________OK]

Backlighting Press the softkey to select the "Screen Layout". Use the "brightness" turn knob to select and change the brightness. The brightness control is working and the illumination is adequate. Reset the brightness to its original setting.

3.17

Checking O2, CO2 and anesthetic gas sampling Some test values for the patient gas module with electrochemical O2 cell (PGM) differ from those for the patient gas module with consumptionfree O2 sampling (PGM2). A PGM2 can be recognized by the missing O2 cell mount. The type plate of the PGM2 module is attached there instead.

3.17.1

[__________OK]

Pump flow Info: No calibration of the O2 sensor or the anesthetic gas analyzer may take place during checking of the pump flow. Connect the upper connection of a flowmeter tube (measuring range 200 mL/min) to the water trap. In a Primus with electrochemical O2 cell (can be recognized by the sensor mount on the rear of the Primus) the pump flow is 125 mL/min to 175 mL/min. In a Primus with consumption-free O2 measurement (can be recognized by the missing sensor mount on the rear of the Primus) the pump flow is 175 mL/min to 225 mL/min. Remove the flowmeter tube.

Primus

2003-12

Released

21/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.17.2

[__________OK]

Checking sampling line Close off the sampling tube. The Primus screen indicates "Test sampling line". Reconnect the sampling tube to the Y-piece.

3.17.3

O2 sampling

3.17.3.1

Linearity of O2 sampling

[__________OK]

Set Primus to "standb"y mode. Detach the patient tube from the expiratory socket of the breathing system. Unlock the Primus safety flow control and set to a flow of 12 L/min. Wait approx. 30 s for the breathing system to be flushed. Trigger a manual 100% O2 only if the PGM is fitted. To do so, open the "Standard Config" menu und confirm the "Parameter softkey. Select and confirm "Cal. 100%O2" under "gas measurement". Following successful calibration quit the "Config" menu. In Standby mode press the Standby key and start Monitoring mode. Read off the O2 measurement. PGM: Measured value 97% to 103%. PGM2: Measured value 97% to 100 %. Close and lock the safety flow control. Detach the sampling line and hold it open to the ambient air for approx. 2 minutes. Measured value 18 % to 24 %. Info: If the specified measurements are not attained with the electrochemical O2 sampling, replace the O2 sensor cell. If the specified measurements are not attained with the consumption-free O2 sampling, inform DrägerService. 3.17.4

Gas measuring module function test

Primus

2003-12

Released

22/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.17.4.1

[__________OK]

Checking anesthetic gas sampling and detection Info: For this test connect the anesthetic gas scavenging system or use an anesthetic gas filter. Detach the anesthetic gas scavenging tube between the Primus and the AGS on the rear panel. Remove the expiratory patient tube from the breathing system and connect the patient tube to the anesthetic gas scavenging tube. Close off the expiratory socket of the breathing system. Primus is in "Monitoring Mode. Fit a vaporizer to the Primus. Set the O2 safety flow control to 3 L/min. Select the middle concentration setting on the vaporizer. When the measurements have stabilized, the anesthetic gas detected by the Primus must match that of the vaporizer. The measured anesthetic gas concentration closely matches the anesthetic gas concentration set on the vaporizer. Close the vaporizer. Close the O2 safety flow control. Remove the test set-up. Reconnect the anesthetic gas scavenging system to the rear panel of the Primus.

3.17.4.2

[__________OK]

Testing of the CO2 and N2O sampling Info: Prior to testing, in the "Config" menu under "Parameter Settings" set the units to "vol.%". If the CO2 parameters are not configured, select the data screen. Connect the calibration gas cylinder (8290271 and 8290272) via the calibration adapter (8290301). Open the calibration gas cylinder until gas is escaping audibly from the adapter. Read off the expiratory N2O and CO2 measurements from the Primus. Measurement variation CO2 max. 0.5 vol.% from test gas. Measurement variation N2O max. 6 vol.% from test gas. Remove the test set-up. Switch off the Primus.

Primus

2003-12

Released

23/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.18

[__________OK]

Primus power-on test Fit up and install the complete breathing system. Connect the central supply. Connect the mains power supply. Connect the vaporizers. Switch on the Primus. On power-up and after approx. 10 seconds a short tone sounds. [OK] All LEDs of the monitor control panel have been activated. [OK] When the checklist appears, confirm it. The power-on test is run through without error. [OK] The leakage value ”auto” is less than/equal to 100 mL/min. [OK] Primus switches to "Standb"y mode. [OK]

3.19

Ventilation modes Precondition: The breathing system is completely upgraded and installed. The central supply is connected. Mains power is connected. Primus is on. The checklist has been confirmed. The power-on test was completed without error. Primus is in "Standb"y mode.

3.19.1

[__________OK]

Manual ventilation Connect the test lung. Set Primus to Man/Spont mode. Set the fresh gas flow to 2 L/min. Press and hold down the flush button until the manual breathing bag is filled. The manual breathing bag can be used to provide manual ventilation. [OK]

3.19.2

[__________OK]

Spontaneous breathing Set the APL valve to "Spont" position. The test lung can be used to provide spontaneous breathing. [OK] Set the APL valve to "Man." position.

Primus

2003-12

Released

24/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

3.19.3

[__________OK]

Pressure-controlled ventilation and alarm limits test Switch Primus to "PCV" mode (Press.Mode as of SW 2.0). Select the following parameters: Freq: 12 /min Tinsp: 1.7 s Ramp: 0.2 s (as of SW 2.0 Tslope: 0.2 s) PEEP: 0 hPa Pinsp: 20 mbar Press the "next page" key to select the data screen. Check the following measured values: PLAT = 17 hPa to 23 hPa PEEP = -2 hPa to +4 hPa Use the "alarm limits" softkey to set the lower warning limit "Paw" to approx. 25 hPa. An alarm message (in red) appears on-screen and the red alarm LED lights. A continuous tone sounds. Use the "alarm limits" softkey to reset the lower warning limit "Paw".

3.19.4

[__________OK]

Volume-controlled ventilation and flow measurement Switch Primus to "IPPV" mode (Volume Mode as of SW 2.0). Remove the sampling line of the "PGM" from the Y-piece and close off the connection on the Y-piece. Select the following parameters: PMAX: 70 hPa VT: 500 mL Freq: 12 /min TINSP: 1.8 s TIP:TINSP: 10 % PEEP: 0 hPa Press the "Adapt alarm limits" key. After about 10 breaths check the VT measurement: VT = 0.46 L/min to 0.54 L/min. Set the parameter PEEP to 10 hPa. After about 10 breaths check the following measured values: PEEP = 8 hPa to 12 hPa. [OK] Connect the sampling line of the PGM to the Y-piece. Set Primus to "standb"y mode.

Primus

2003-12

Released

25/26

Schutzvermerk DIN 34 beachten. Copyright reserved.

4

Test equipment

4.1

List of test aids The test aids are listed in the following table. The table lists the designations, characteristics and order numbers.

4.1.1

Pressure gauge (10 bar) Measuring range = 10 mbar

4.1.2

Pressure gauge (100 mbar) Measuring range 100 mbar

4.1.3

Flowmeter (200 mL/min.) Measuring range to 200 mL/min.

4.1.4

Flowmeter (14 L/min.) Measuring range to 14 L/min.

4.1.5

Flowmeter (45 L/min.) Measuring range to 45 L/min.

4.1.6

Stop watch

4.1.7

Test lung (test thorax)

4.1.8

Calibration gas cylinder Order number 8290271

4.1.9

Fine-control valve, complete Order number 8290272

4.1.10

Calibration adapter Order number 8290301

Primus

2003-12

Released

26/26

Primus 1

Technical Information

1.1

Layout of valves and diaphragms in the breathing system

Annex to the Test List

Table 1

Breathing system

Legend to Figure 1

Item All rights reserved. Copyright reserved.

Version 4.0_ Released_Printed on_17.03.06_K5132300T02_AnhangTL.xml

Figure 1

5132.300

Component

1

Breathing system cover.

2

Valve “RV1”.

3

Breathing system heater contacts

4

Valve “RV2” (new design).

5

Valve plate.

6

Respiratory gas block.

7

Fixing screws.

1

Annex to the Test List

Primus

Component Absorber canister.

9

Absorber element.

10

Expiratory flow sensor “Flowe”.

11

Connection for manual breathing bag “Bag”.

12

Expiratory socket.

13

Inspiratory socket with downstream inspiratory flow sensor “Flowi”.

14

APL bypass valve “V2”.

15

Valve “V1”, PEEP diaphragm.

16

Expiratory valve “Ve”.

17

Inspiratory valve “Vi”.

18

“APL” valve (adjustable pressuring limiting valve), new type.

19

“APL” valve (adjustable pressuring limiting valve), old type.

All rights reserved. Copyright reserved.

8

2

5132.300

Version 4.0_ Released_Printed on_17.03.06_K5132300T02_AnhangTL.xml

Item

Primus 1.2

Annex to the Test List

Bronchial suction devices

Figure 2

Types of bronchial suction devices

Table 2

Legend to Figure 2 Designation

1

2M85032

2

MK01418 thru MK01423 (endotracheal bronchial suction devices).

All rights reserved. Copyright reserved.

Version 4.0_ Released_Printed on_17.03.06_K5132300T02_AnhangTL.xml

Item

5132.300

3

Figure 3

4

Primus pneumatic components diagram

5132.300

Version 4.0_ Released_Printed on_17.03.06_K5132300T02_AnhangTL.xml

1.3

All rights reserved. Copyright reserved.

Annex to the Test List Primus

Pneumatic diagram

Primus

Annex to the Test List Table 3

Legend to Figure 3 Component

1

Gas inlet block.

2

A-cone valve (option).

3

Mixer.

4

Vaporizer plug-in system.

5

Ventilator.

6

Breathing system.

All rights reserved. Copyright reserved.

Version 4.0_ Released_Printed on_17.03.06_K5132300T02_AnhangTL.xml

Item

5132.300

5

Test Report TL Institution

Product name

Contact

Reference number

OK Para 1 1.1 1.1.1 1.1.2 1.1.3 1.1.4 1.2 1.2.1 1.2.2 1.2.3 1.2.4 1.2.5 1.2.6 1.2.7 1.3.1 1.3.2 1.3.3 1.3.4 1.3.5 1.3.6 1.3.7 2 2.1 2.2 2.3 2.3.1.2 2.3.2.1 2.3.2.2 2.3.3.1 2.3.3.2 2.4 2.4.1.2 2.4.2.1 2.4.2.2 2.4.2.3 2.4.2.4 2.4.2.5 2.4.2.6 2.4.2.7 2.4.2.8 2.4.3.1 2.4.3.2 2.4.3.3 2.4.3.4 3 3.1 3.1.2 3.2 3.3 3.3.1 3.3.2 3.3.3.1

2003-12

Result Device configuration Serial numbers Primus Breathing system cover Breathing system valve plate Respiratory gas block Serial numbers (options) External bronchial suction device High-pressure regulator O2 High-pressure regulator N2O High-pressure regulator AIR High-pressure cylinder O2 High-pressure cylinder N2O High-pressure cylinder AIR Mobi MIXER MA MIXER SV VGC MA VGC SV PGM Power pack Electrical safety General Visual check Electrical safety according to VDE 0751 PE conductor test value Initial equivalent device leakage current Repeat measurement of equivalent device l Initial equivalent patient leakage current Repeat measurement of equivalent patient l Electrical safety to IEC 60-601 PE conductor test value Earth leakage current N.C. (IEC) Earth leakage current S.F.C. (IEC) Earth leakage current N.C. reversed (IEC) Earth leakage current S.F.C. reversed (IEC) Earth leakage current N.C. (UL) Earth leakage current S.F.C. (UL) Earth leakage current N.C. reversed (UL) Earth leakage current S.F.C. reversed (UL) Patient leakage current N.C. Patient leakage current N.C. reversed Patient leakage current S.F.C. Patient leakage current S.F.C. reversed Function and condition test Input test Test sequence Accompanying documents General condition of equipment Checking condition and legibility of marking Condition/function of base unit Breathing system cover ---

Primus

Primus

OK Para

Result

3.3.3.2 ______________ txt ______________ txt ______________ txt ______________ txt txt ______________ ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt ______________ txt

______________ μA ______________ μA ______________ μA ______________ μA

______________ μA ______________ μA ______________ μA ______________ μA ______________ μA ______________ μA ______________ μA ______________ μA ______________ μA ______________ μA ______________ μA ______________ μA

Valve panel 3.3.3.3 Respiratory gas block 3.3.3.4 Absorber canister 3.3.3.5 Absorber insert 3.3.4 Condition/function of accessories 3.3.5.1 Condition of bronchial suction device 3.3.5.2 Condition/function of cylinder mount 3.3.5.3 Condition of secretion jar and accessories 3.4 Vaporizer plug-in system 3.4.1 Vaporizer plug-in system mounting pins 3.4.2 Interlock 3.4.3 Selectatec plug-in system interlock (if fitted) 3.5 AGS system 3.5.1 Condition of AGS system 3.5.2 Function of AGS system 3.5.3 Function of flow control in AGS USA variant 3.6 Bronchial suction device (if fitted) 3.6.1.1 Static end-pressure (type MK014xx) 3.6.1.2 Static end-pressure (type 2M85032) 3.6.1.3 Function of vacuum switch (type MK014xx) 3.6.2 Function of vacuum suction device 3.6.2.1 Function of vacuum switch (type MK014xx) 3.7 High-pressure modification set (if fitted) 3.7.1.1 Condition test of high-pressure regulator 3.7.1.2 TÜV expiry date, O2 high-pressure cylinder 3.7.1.3 TÜV expiry date, N2O high-pressure cylinde 3.7.1.4 TÜV expiry date, AIR high-pressure cylinder 3.7.1.5 Expiry date (AIR, O2 and N2O) 3.7.1.6 Condition of high-pressure cylinders 3.7.2.1 O2 performance test 3.7.2.2 N2O performance test (if fitted) 3.7.2.3 AIR performance test (if fitted) 3.7.3.1 O2 downstream pressure test 3.7.3.2 O2 downstream pressure test 3.7.3.3 N2O downstream pressure test 3.7.3.4 N2O downstream pressure test 3.7.3.5 AIR downstream pressure test 3.7.3.6 AIR downstream pressure test 3.7.4.1 O2 opening pressure 3.7.4.2 N2O opening pressure (if available) 3.7.4.3 AIR opening pressure (if available) 3.7.5 High-pressure sensors reference pressure te 3.8 Function of UPS 3.9 External O2 flowmeter (if fitted) 3.10 LEDs and sensors of the central supply 3.11 Fresh gas flow 3.11.1.1 Target 1 L/min 3.11.1.2 Target 8 L/min 3.11.1.3 Target 14 L/min 3.11.2 Function of safety flow control 3.12 Function of O2 flush 3.12.1 O2 flush colour marking

______________ dat ______________ dat ______________ dat

______________ bar ______________ bar ______________ bar ______________ bar ______________ bar ______________ bar ______________ bar ______________ bar ______________ bar

______________ L/min ______________ L/min ______________ L/min

1/2

3.12.2 3.12.3 3.13 3.13.1 3.14.1 3.14.2 3.15 3.16 3.17.1 3.17.2

Flow of O2 flush Mechanical functioning of O2 flush Function of A-cone (if fitted) A-cone safety valve APL valve test Variation of Primus pressure measurement SpO2 (if fitted) Backlighting Pump flow Checking sampling line

______________ L/min

3.17.3.1 Linearity of O2 sampling 3.17.4.1 Checking anesthetic gas sampling and dete 3.17.4.2 Testing of the CO2 and N2O sampling 3.18 Primus power-on test

______________ hPa

3.19 3.19.1 3.19.2 3.19.3 3.19.4

Ventilation modes Manual ventilation Spontaneous breathing Pressure-controlled ventilation and alarm lim Volume-controlled ventilation and flow meas

Servicing Parts Para

Order Number Qty. Interv.

Para

Test equipment Designation

Serial number

Order Number Qty. Interv.

Test equipment Next calibration

Designation

Serial number

Next calibration

Report

Date

Institution

Name

Name

Signature

Signatur

2003-12

---

Primus

2/2

Technical Information

2006-03-16

Technical Documentation for Primus according to EMC standard IEC/EN 60601-1-2: 2001 General Information The EMC conformity of Primus includes the use of following external cables, transducers and accessories .... (refer to the following list with either precise part properties or precise part names): Description Mains supply cable, 16A, 5m RS-232-cable SPO2-sensor extension cable Draeger Base connection cable SPO2 finger sensor DS100A Pressure reducer O2 Pressure reducer N2O

Order-No. 8601589 and others 8601474 8600859, 5720071 8602718 7262764 8603465 8603464

The Primus should not be used adjacent to or stacked with other equipment; if adjacent or stacked use is inevitable, the Primus should be observed to verify normal operation in the configuration in which it will be used.

Electromagnetic Emissions Electromagnetic Emissions The Primus is intended for use in the electromagnetic environment specified below. The user of the Primus should assure that is used in such an environment. Emissions Compliance Electromagnetic environment according to RF emissions (CISPR 11) Group 1 The Primus uses RF energy only for its internal function. Therefore, its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment. Class B The Primus is suitable for use in all establishments including domestic establishments and those directly connected to the public low-voltage power supply network that supplies buildings used for domestic purposes. Harmonic emissions N/A Class B (IEC 61000-3-2) Voltage fluctuations / flicker N/A Class B (IEC 61000-3-3) Information re electromagnetic emissions (IEC 60101-1-2: 2001, table 201)

page 1 of 3

Electromagnetic Immunity Electromagnetic Immunity The Primus is intended for use in the electromagnetic environment specified below. The user of the Primus should assure that is used in such an environment. Immunity IEC 60601-1-2 test level Compliance Electromagnetic environment against level (of Primus) electrostatic disFloors should be wood, concrete or contact discharge: 6 kV 6 kV charge, ESD ceramic tile. If floors are covered air discharge: 8 kV 8 kV (IEC 61000-4-2) with synthetic material, the relative humidity should be at least 30%. electrical fast tran- power supply lines: 2 kV Mains power quality should be that 2 kV sients / bursts of a typical commercial or hospital longer input / output lines: (IEC 61000-4-4) environment. 1 kV 1 kV surges on AC mains lines (IEC 61000-4-5) power frequency magnetic field 50/60 Hz (IEC 61000-4-8)

common mode: 2 kV differential mode: 1 kV 3 A/m

N/A

voltage dips and short interruptions on AC mains input lines (IEC 61000-4-11)

dip >95%, 0.5 periods dip 60%, 5 periods dip 30%, 25 periods dip >95%, 5 seconds

>95%, 0.5 per. 60%, 5 per. 30%, 25 per. >95%, 5 sec.

radiated rf (IEC 61000-4-3)

80 MHz – 2.5 GHz: 10 V/m

10 V/m

rf coupled into lines (IEC 61000-4-6)

150 kHz – 80 MHz: 10 V within ISM bands, 3 V outside ISM bands X2

10 V

2 kV 1 kV

3V

Mains power quality should be that of a typical commercial or hospital environment. In close vicinity to the Primus, no equipment with extraordinary power frequency magnetic fields (power transformers, etc.) should be operated. Mains power should be that of a typical commercial or hospital environment. If user requires continued operation during power mains interruptions, it is recommended to power the Primus from an uninterruptible supply or a battery. Recommended separation distance from portable and mobile rf transmitters with transmission power PEIRP to the Primus including its lines: 1.84 m * PEIRP X1 Recommended separation distance from portable and mobile rf transmitters with transmission power PEIRP to the Primus including its lines: 1.84 m * PEIRP X1

Information re electromagnetic immunity (IEC 60601-1-2: 2001, tables 202, 203, 204) X1

: For PEIRP the highest possible "equivalent isotropic radiated power" of the adjacent rf transmitter has

interferto be inserted (value in Watt). Also in the vicinity of equipment marked with the symbol ence may occur. Field strengths from fixed, portable or mobile rf transmitters at the location of the Primus should be less than 3 V/m in the frequency range from 150 kHz to 2.5 GHz and less than 1 V/m above 2.5 GHz. X2 : ISM bands in this frequency range are: 6.765 MHz - 6.795 MHz, 13.553 MHz - 13.567 MHz, 26.957 MHz - 27.283 MHz, 40.66 MHz - 40.70 MHz.

page 2 of 3

Recommended separartion distances Recommended separation distances between portable and mobile RF-Telecommunication devices and the Primus max. PEIRP (W)

3 V/m distance* (m)

1 V/m distance* (m)

0.001

0.06

0.17

0.003

0.10

0.30

0.010

0.18

0.55

0.030

0.32

0.95

e.g. WLAN 5250 / 5775 (Europe)

0.100

0.58

1.73

e.g. WLAN 2440 (Europe), Bluetooth

0.200

0.82

2.46

e.g. WLAN 5250 (not in Europe)

0.250

0.91

2.75

e.g. DECT devices

1.000

1.83

5.48

e.g. GSM 1800- / GSM 1900- / UMTS- mobiles, WLAN 5600 (not in Europe)

2.000

2.60

7.78

e.g. GSM 900 mobiles

3.000

3.16

9.49

Hint

Information re separation distances (IEC 60601-1-2: 2001, tables 205 and 206) * 3 V/m distance to transmitters with frequencies from 150 kHz to 2.5 GHz, otherwise 1 V/m distance.

page 3 of 3

Manufacturer: Dräger Medical AG & Co. KG Moislinger Allee 53 – 55 D-23542 Lübeck Germany Phone: (+49) (0) 1805-3723437 Fax: (+49) 451/882 - 3779

Subject to change without notice Will not be replaced in the event of modifications.

© Copyright by Dräger Medical AG & Co. KG, Lübeck, Germany. The warranty and liability conditions of the general terms and conditions for business transactions of Dräger Medical AG & Co. KG are not extended by this Technical Documentation.

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