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3.1

General Description

The AV-S Ventilator is a pneumatically
driven, software controlled, multi-mode
ventilator. 

The ventilator is a time-cycled,
volume/pressure controlled, and pressure
limited.

The ventilator has compliance compensation
and a user selectable option of an inspiratory
pause fixed at 25% of the inspiratory time.
In addition, fresh gas compensation and
user selectable gas mixture compensation is
a standard feature.

Ventilation Modes

Volume Mode - continuous mandatory
ventilation
Pressure Mode - pressure controlled
ventilation
Spontaneous, with advanced features -
SIMV, SMMV, PSV
PEEP

Patient Monitoring

Airway pressure, measured from the
expiratory limb of the breathing circuit.

Tidal volume and Minute Volume
measurement is provided by a dual
spirometry system

An integral oxygen monitor system
measures oxygen concentration in the
breathing circuit inspiratory limb.

The print function provides a permanent
record of function activity for up to eight
hours during a  procedure, or can be used to
record waveforms.

Screen

210 mm (8.4 inch) high definition, colour TFT
screen, with single/dual waveform display.

3.

DESCRIPTION

8

AV-S Ventilator 

Содержание AV-S

Страница 1: ...AV S Ventilator Remote Display Module and Interface for use with A200SPAbsorber Service Manual Partnership for Life Draft Copy July 2005 No update will be given ...

Страница 2: ...vation of control levels on the anaesthesia systems does not in itself ensure total patient safety Anaesthesia system monitors and patient monitors are very desirable aids for the anaesthetist but are not true clinical monitors as the condition of the patient is also dependent on his respiration and the functioning of his cardio vascular system IT IS ESSENTIAL THAT THESE ELEMENTS ARE MONITORED FRE...

Страница 3: ...ons are given in this Manual for the AV S available only for Penlon trained engineers For any enquiry regarding the servicing or repair of this product contact the nearest accredited Penlon agent or communicate directly with Technical Support Penlon Limited Abingdon Science Park Barton Lane Abingdon OX14 3PH UK Tel 44 0 1235 547076 Fax 44 0 1235 547062 E mail technicalsupport penlon co uk Always g...

Страница 4: ... date of publication The policy of Penlon Limited is one of continued improvement to its products Because of this policy Penlon Limited reserves the right to make any changes which may affect instructions in this manual without giving prior notice Personnel must make themselves familiar with the contents of this manual and the machine s function before servicing the apparatus Copyright Penlon Limi...

Страница 5: ...3 7 1 Standby Mode 20 3 7 2 Volume Mode 21 3 7 3 Pressure Mode 22 3 7 4 Spontaneous Mode 23 3 7 5 Advanced Spontaneous Breathing Modes 24 3 7 5 1 SIMV Synchronised Intermittent Mandatory Ventilation 24 3 7 5 2 SMMV Synchronised Mandatory Minute Ventilation 25 3 7 5 3 PSV Pressure Supported Ventilation 26 3 7 5 4 PEEP Positive End Expiratory Pressure 27 3 8 On screen Menus 28 3 9 Spirometry 29 3 10...

Страница 6: ...unction Test 49 5 2 3 Weekly Checklist 50 5 3 Oxygen Monitor Set up 51 5 3 1 Installation 51 5 3 2 Calibration 51 5 3 3 Sensor Low Indication 53 5 3 4 Setting the High and Low O2 Alarms 53 6 SERVICE PROCEDURES 6 1 Service Intervals 54 6 2 Control Unit Patient Block Removal 55 7 SERVICE SCHEDULE Service Schedule 56 8 PARTS LISTS Preventive Maintenance Kits 64 Assemblies 65 9 APPENDIX 1 Back up Batt...

Страница 7: ... necessary it is recommended that a request for service advice be made to the nearest Penlon accredited agent This device and any of its constituent parts must be repaired only in accordance with written instructions issued by Penlon Limited and must not be altered or modified in any way without the written approval of Penlon Limited The user of this equipment shall have the sole responsibility fo...

Страница 8: ... potential injury to the patient 7 The driving gas is discharged through the opening in the back of the ventilator control unit The discharged gas may contaminate the environment and should therefore be extracted using a gas scavenging system 8 The bellows can only support approximately 1 kPa 10 cmH2O differential positive pressure above which it may be dislodged from the mounting ring resulting i...

Страница 9: ...ed to a patient it is recommended that a qualified practitioner is in attendance at all times to react to an alarm or other indication of a problem 17 In compliance with good anaesthesia practice an alternative means of ventilation must be available whenever the ventilator is in use 18 It is recommended that the patient oxygen concentration should be monitored continuously 19 If the drive gas supp...

Страница 10: ...ON No 7 Used or defective batteries must be disposed of according to hospital local state and federal regulations 29 No oil grease or other flammable lubricant or sealant must be used on any part of the ventilator in close proximity to medical gas distribution components There is a risk of fire or explosion 30 Exterior panels must not be removed by unauthorised personnel and the apparatus must not...

Страница 11: ...ction 6 5 Care must be taken not to let any liquid run into the control unit serious damage may result 6 Always check for correct fitment and carry out a full function test before clinical use if the bellows has been removed and refitted for any reason See section 6 7 Damage may occur to the battery if it is allowed to remain in a discharged state Check the battery frequently if the ventilator is ...

Страница 12: ...sor is not compatible with other sterilisation techniques damage may result Do not sterilise any other components 2 Do not autoclave or expose the sensor to high temperatures 3 If the sensor shows signs of being affected by condensation dry the sensor with soft tissue Do not use heat to dry the sensor 6 NOTES 1 The O2 SENSOR FAULT alarm indicates that one of the following conditions has occurred a...

Страница 13: ...ned personnel under the direction of a physician Specifically the ventilator is applicable for adult and paediatric patients The ventilator is intended for use by health care providers i e Physicians Nurses and Technicians with patients during general anaesthesia The AV S ventilator is not intended for use in intensive care applications Oxygen Monitor The Oxygen Monitor is intended to continuously...

Страница 14: ...andatory ventilation Pressure Mode pressure controlled ventilation Spontaneous with advanced features SIMV SMMV PSV PEEP Patient Monitoring Airway pressure measured from the expiratory limb of the breathing circuit Tidal volume and Minute Volume measurement is provided by a dual spirometry system An integral oxygen monitor system measures oxygen concentration in the breathing circuit inspiratory l...

Страница 15: ...t can be mounted securely on the anaesthetic machine shelf or side bracket Drive gas supply The supply must be at 310 to 689 kPa 45 to 100 psi The ventilator drive gas supply can be oxygen or air Note that the drive gas is specified by the customer prior to delivery Conversion from one drive gas to another must be carried out by a Penlon trained service engineer DESCRIPTION 9 1 ...

Страница 16: ... port 15 RS232 NOTE USB port is for use by Penlon trained engineers only All other data ports are read only For further information please contact Penlon Technical Support Gas Connections 1 Ventilator drive gas inlet connect to anaesthetic machine auxiliary gas outlet 2 Bellows Drive Gas Output connect to bellows on Prima SP with A200SP absorber connect to absorber see section 5 1 5 3 Outlet Exhau...

Страница 17: ...re ensures that the exhaust valve 4 is kept closed Drive gas pressure builds up above the bellows which starts to move down The diaphragm 5 in the bellows assembly base is held closed and patient gas is forced out of the bellows base 6 into the breathing system 2 Beginning of Expiratory Phase The Inspiratory 1 and Expiratory 3 proportional valves close and the exhaust valve 4 opens Patient gas ret...

Страница 18: ...y Pressure user selectable During PEEP the Exhalation Proportional valve 3 applies PEEP pressure plus 20 cmH2O to the exhaust valve which remains closed at this stage As fresh gas flows in the patient circuit any pressure increase above PEEP pressure in the bellows will cause gas to bleed past the exhaust valve 4 A continuous flow from the Inspiratory proportional valve 1 ensures that any fall in ...

Страница 19: ...13 DESCRIPTION A Pneumatic Flow Diagram C 18 17 5 8 14 9 12 6 16 13 15 11 7 1 2 10 4 3 B 0 80 cmH2O 100 cmH2O 0 90 cmH2O 241 kPa 35 psi 3 to 7 bar ...

Страница 20: ...oss or reduction of the input gas source pressure When the pressure falls below 235 kPa 35 psi 1 psi the LOW SUPPLY PRESSURE indicator will be displayed and the high priority audible alarm will activate 4 Input Pressure Regulator Regulates the input drive gas to 260 kPa 21 kPa 38 psi 3 psi 5 Cut off Valve The valve isolates the the gas supply a when the ventilator is switched off b when a fault co...

Страница 21: ... and a frequency of 50 to 60 Hz without any adjustment The connector is a standard IEC type Back up Battery In the event of mains electrical failure the back up battery cuts in automatically A fully charged battery will power the ventilator for approximately 30 minutes See Appendix 1 for battery care procedures DESCRIPTION 15 ...

Страница 22: ... factory set values when the ventilator is switched on and no further user selection is made 3 5 1 3 User Adjustable Parameters Variable parameters can be altered by rotating the navigator wheel When the required value is displayed press the active tab or the wheel to confirm the setting 3 5 Control Panel 3 5 1 Touchscreen and Navigator Wheel Push Button 3 5 1 1 Control Panel 1 On Off control Swit...

Страница 23: ...spiratory flow of 75 L min DESCRIPTION 17 0 1 0 2 0 4 0 3 0 6 0 5 1 6 1 5 1 4 1 3 1 2 1 1 1 0 0 9 0 8 0 7 0 10 20 30 40 50 60 70 80 1 6 1 5 1 4 1 3 1 2 1 1 1 0 3 Rate bpm Tidal Volume litres Vt I E Ratio The ventilator is capable of operating at the volumes and rates below each I E ratio curve Example 1 Select required volume Vt e g 0 8 L 2 Select rate e g 10 bpm 3 Select I E ratio of 1 2 The poin...

Страница 24: ...ilation Fresh Gas Compensation Adjusts delivered volume up to 60 Alarms if measured volume is 50 different than set volume User adjustable NOTE Fresh gas compensation is disabled if a The spirometry system is turned OFF through the menu system or b The spirometry system is not functioning correctly Fresh Gas Mixture Compensation models with Spirometry The spirometry system compensates for fresh ga...

Страница 25: ...rber a The A200SP is fitted with fitted with a sensor that detects the position of the absorber bag vent control D The sensor signal cabling is routed internally to connector C and a second cable runs to the the rear of the AV S control unit b Operation of the Bag Vent control will trigger automatic Mode switching on the AV S ventilator as follows i If the Absorber Bag Vent control is moved from V...

Страница 26: ...3 7 Ventilation Modes 3 7 1 Standby Mode Allows parameters to be set Some patient alarms are active High airway pressure at 80 cmH2O High Low O2 Negative pressure Incorrect Rate Ratio DESCRIPTION 20 ...

Страница 27: ...or is in Volume Cycle mode the sigh option is available When selected this option provides extra volume for 1 to 4 breaths in 50 frequency is user selectable The extra volume will be 50 above the tidal volume set by the user Volumes measured if Spirometry function selected Auto High and Low volume alarms if measured volume different by 50 of set volume User adjustable option If max pressure limit ...

Страница 28: ...patients Inspiratory pressure 10 70 cmH2O Rate 4 100 bpm I E ratio 1 0 3 1 8 PEEP Off or adjustable 4 30 cmH2O Inspiratory decelerating flow controlled by the ventilator according to pressure setting No Inspiratory pause function 3 7 3 2 Pressure Mode Operating Functions Defaults to 10 cmH2O Maximum Inspiratory Flow to achieve target pressure Sustaining flow maintains circuit pressure Control achi...

Страница 29: ... Ventilator mode Airway pressures FiO2 Vt Rate I E ratio Supply pressures Ventilation conditions Advanced Spontaneous Breathing modes are selectable from this mode see below and section 3 7 5 3 7 4 3 Advanced Spontaneous Breathing Modes Support modes available from Special Modes select from main menu SIMV SMMV PSV The A200SP Absorber Bag Vent control must be in Vent position for these modes to be ...

Страница 30: ...lect Menu Select Special Modes Select SIMV SIMV is now on the main screen in Spontaneous mode NOTE 1 SIMV is triggered by flow when Spirometry is active SIMV is triggered by pressure If Spirometry is disabled 2 The trigger window is pre set to 60 of the BPM cycle time 3 The trigger pressure is PEEP referenced 4 If the pressure limit and alarm are activated the inspiratory phase is terminated SIMV ...

Страница 31: ...is pre set to 60 of the BPM cycle time 3 The trigger pressure is PEEP referenced 4 If the pressure limit and alarm are activated the inspiratory phase is terminated SMMV Default Settings The ventilator will default to the settings shown in the table after selecting SMMV Note that Vm can be adjusted before SMMV is confirmed Trigger setting defaults to 0 4 litres min and is adjustable between 0 2 an...

Страница 32: ...PM cycle time 2 The trigger pressure is PEEP referenced 3 If the Spirometry is disabled then PSV is not available 4 If the pressure limit and alarm are activated the inspiratory phase is terminated PSV Default Settings The ventilator will default to the settings shown in the table after selecting PSV from Spontaneous Mode Note that Support Pressure can be adjusted before PSV is confirmed Trigger s...

Страница 33: ...Rotate the navigator wheel to set the required PEEP pressure A confirm message will be displayed Press the Screen Tab or Wheel to confirm Note that Electronic PEEP does not function in Spontaneous Mode PEEP on off sequence Using the A200SP Absorber Interface Ventilator Mode Selection 1 Ventilator is in Volume Ventilation Mode 2 PEEP selected pressure set to required level PEEP display indicates pr...

Страница 34: ...avigator wheel clockwise to scroll through the menu options the cursor aligns with each parameter in turn 2 Press the wheel to enter the required sub menu 3 Rotate the navigator wheel to change any displayed values and press to confirm 4 To exit the menu display A Press the menu switch on the front panel B Scroll to EXIT MENUS and press the navigator wheel NOTE A If confirmation does not take plac...

Страница 35: ... is in progress Second waveform A second waveform can be displayed by using menu control or touch waveform on screen The second waveform is selectable Volume v Time litres v seconds Volume v Pressure litres v cmH2O Compliance loop waveform First loop can be frozen Subsequent loops overlaid Display Functions Automatic Scale adjustment Y axis a Scale adjusts as Plimit is changed 20 to 40 60 80 cmH2O...

Страница 36: ...w Minute Volume High Calculated volume lower than 50 of volume set 120 s User Default Apnoea High In Spontaneous mode no breath detected within 15 seconds 120 s Auto High Tidal Volume High Measured value exceeds 150 of set value 120 s User Default High Minute Volume High Calculated value exceeds 150 of set value 120 s User Default High O2 Concentration High Measured O2 exceeds set value 120 s User...

Страница 37: ... replace at the recommended interval 3 12 2 The MOX 3 Oxygen Sensor The MOX 3 oxygen sensor offers quick response linear output over the entire 0 100 oxygen range and long service life The MOX 3 is a self powered galvanic cell that generates a current proportional to oxygen concentration The cell has a highly stable output over its operating life Significant output loss is only shown at the very e...

Страница 38: ... and press the navigator wheel to activate Rotate the navigator wheel again to change the displayed value see section 5 3 4 for full procedure High Alarm range 19 to 105 Low Alarm range 18 to 99 The displayed figure will flash on and off Press to confirm Scroll to EXIT MENUS and press the wheel to exit O2 Monitor sub menu O2 Monitor sub menu calibration O2 Monitor sub menu alarms DESCRIPTION 32 O2...

Страница 39: ...tor will illuminate b A high priority audible alarm will sound To cancel this alarm the low alarm setting must be equal to or below the oxygen concentration The alarm can be muted for 120 seconds O2 SENSOR FAULT The alarm is triggered i when either the oxygen sensor is disconnected or approaching the end of its life ii if the O2 concentration exceeds 110 a The message O2 SENSOR FAULT will be displ...

Страница 40: ...y charged battery Drive Gas Oxygen or Air dry and oil free at 45 to 100 psi 310 to 689 kPa 4 4 Alarms Alarm Mute 30 or 120 seconds see 3 11 Low Drive Gas Pressure Less than 235 kPa 35 psi High Continuous Airway Pressure Above 30 cmH2O at start of cycle Low Pressure 4 14 cmH2O PEEP referenced Low Tidal Volume 50 of Volume set Spirometry Incorrect Rate or Ratio Mains Failure 30 minutes nominal Batte...

Страница 41: ...s includes advanced breathing modes Pressure Control 10 70 cmH2O Inspiratory Flow 2 75 L min Spontaneous Mode Active Volume and Pressure Alarms Advanced Breathing Modes selectable see section 4 6 Electronic PEEP 4 30 cmH2O Oxygen Monitor Fuel Cell type For full specification see section 4 15 Spirometry Resolution 1 ml Ventilator Performance accuracy of delivered volumes 300 ml 10 100 ml 300 ml 20 ...

Страница 42: ... cmH2O 0 4 L min 4 7 Disinfection and Sterilisation Bellows base assembly Patient Block assembly and inside of bellows can be sterilised if necessary section 6 4 8 Bacterial Filter None see section 5 1 4 use a bacterial filter in the breathing system to protect components that are not autoclavable e g oxygen sensor 4 9 Fail Safe Mechanism Battery back up in case of mains electricity failure Gas sh...

Страница 43: ... 6 seconds repeat time Medium Priority Alarm Flashing 3 audio pulses with 24 seconds repeat time Low Priority Alarm Static with single beep sound Alarm Mute 30 seconds for high priority alarm 120 seconds for medium priority alarm Low Alarm Set Range 18 99 1 High Alarm Set Range 19 105 1 Cable length 2 m 6 ft fully extended Sensor Type Galvanic fuel cell sensor 0 100 Life 1500000 O2 hours One year ...

Страница 44: ...r Temperature Effects The sensor has a built in temperature compensation circuit and is relatively unaffected by temperature changes within the operating temperature range given above Pressure Effects The sensor measures O2 partial pressure and its output will rise and fall due to pressure change e g changes in barometric pressure or breathing system pressure An increase in pressure of 10 at the s...

Страница 45: ... unit WARNING Excessive electronic noise caused by other poorly regulated devices such as electrocautery may adversely interfere with the proper functioning of the ventilator To avoid this problem do not connect the ventilator power cord into the same electrical wall outlet or strip into which an electrocautery unit is connected 5 1 3 Ventilator Gas Supply 1 Verify the drive gas specified for the ...

Страница 46: ...nterface cabling is shown for Prima SP2 On Off switch and A200SP Bag Vent switch 40 Hoses and Cables Schematic AV S and A200SP Absorber PRE OPERATION PROCEDURES 1 2 3 6 7 8 12 13 16 14 26 17 15 12 19 18 20 24 25 23 28 27 29 31 30 26 21 22 9 10 11 4 5 ...

Страница 47: ...spiratory Valve Absorber 15 Inlet from Ventilator Bellows 16 Connector Reservoir Bag 17 Inlet Absorber Fresh Gas Supply 18 Drive Gas Inlet Ventilator 19 Drive gas Outlet ventilator control unit to bellows 20 Outlet Exhaust Valve 21 Inlet Bellows Drive Gas 22 Outlet to breathing system 23 Input socket Oxygen monitor sensor 24 Input socket Prima SP interface SP on off switch 25 Input socket i A200SP...

Страница 48: ... toremote display 11 Ethernet 12 USB 13 VGA 14 Printer port 15 RS232 NOTE USB port is for use by Penlon trained engineers only All other data ports are read only For further information please contact Penlon Technical Support Gas Connections 1 Ventilator drive gas inlet connect to anaesthetic machine auxiliary gas outlet 2 Bellows Drive Gas Output connect to bellows on Prima SP2 with A200SP absorb...

Страница 49: ...harge of excess breathing gas at the end the expiratory phase WARNING Do not use a scavenging system that restricts drive gas flow when negative pressure is exerted on it Applying negative or positive pressure to the bellows exhaust port results in positive pressure in the patient breathing system Therefore the scavenging system must not generate more than 0 5 cmH2O positive or negative pressure w...

Страница 50: ...CAUTION Replacement Disposal always follow the instructions supplied with the filter Always renew components at the recommended interval 2 The two spirometry flow sensors are mounted within the A200SP Absorber in the inspiratory and expiratory airways 3 Connect the cable assembly between the connector at the rear of the A200SP Absorber A and the the socket B at the rear of the Ventilator control u...

Страница 51: ...absorber 4 Disconnect the hose that connects the APL valve outlet 2 at the rear of the manifold block to the AGSS receiver or disconnect at receiver 5 a Remove the bag and set the Bag Vent control 3 to Bag position or b Ensure that the ventilator bellows is empty 6 Calibrate the spirometer via the ventilator menu procedure 7 Press the menu switch on the front panel 8 Scroll down the main menu and ...

Страница 52: ...the appropriate Penlon tubing assembly to connect to the expiratory limb of the breathing system close to the circle system expiratory valve 2 Push fit self sealing connectors B Push in the tube as far as possible Do not use excessive force The connector end piece X will also move inwards Pull the tube carefully outwards The end piece X will be pulled outwards to the locked position 3 Connect the ...

Страница 53: ...test the ventilator section 5 3 1 NOTE If there is any malfunction the ventilator must NOT be used If the problem cannot be rectified the ventilator must be checked by a Penlon trained engineer 47 1 2 4 5 7 6 3 Paediatric Bellows Assembly 1 Remove the adult bellows housing 1 twist carefully counterclockwise until the bayonet tabs become free then lift up from the base 2 Remove the bellows 3 2 Fit ...

Страница 54: ...es of continuous operation Connect the ventilator to a mains power supply The mains power indicator will illuminate to show that the battery is being charged it is not necessary to turn on the ventilator Ventilator internal test Press the ON OFF switch 1 A three second internal test is initiated 1 The power up screen is displayed 2 The audible alarm sounds 3 The ventilator reverts to STANDBY mode ...

Страница 55: ...ed engineer 8 Set a basal flow only on the anaesthetic machine Check the bellows after 10 breaths the bellows should return to the top of the housing Failure to return to the top of the housing indicates a leak in the breathing circuit Rectify the leak before clinical use 9 Occlude the patient Y piece The HIGH AIRWAY PRESSURE alarm should be activated The peak pressure read on the breathing system...

Страница 56: ... 3 Reconnect the mains power cable to the AC outlet The alarm should turn off 4 Disconnect the drive gas supply hose The LOW SUPPLY PRESSURE alarm should activate NOTE If there is any malfunction the ventilator must NOT be used If the problem cannot be rectified the ventilator must be checked by a Penlon trained engineer Bellows Check the condition of the bellows and exhalation diaphragm valve see...

Страница 57: ...athing circuit after use ii Switch off the anaesthetic machine to cut off the basal flow through the system Bacterial Filter Use a breathing system bacterial filter in the expiratory limb of the breathing circuit to protect the oxygen sensor see section 5 1 8 CAUTION Replacement Disposal always follow the instructions supplied with the filter and always replace at the recommended interval 5 3 2 Ca...

Страница 58: ...ne flowmeter 5 Allow the oxygen to flow until the oxygen monitor readout 4 stabilises 6 Calibrate the sensor using the AV S ventilator menu procedure as follows 7 Press the menu switch 5 and select the O2 monitor sub menu 8 Scroll to CALIBRATION If the menu shows 21 which indicates calibration using air press the navigator wheel button 6 to switch to 100 calibration using oxygen 9 A message will f...

Страница 59: ...e navigator wheel 3 Rotate the wheel to change the displayed alarm figure to the desired value 4 Press the wheel to confirm 5 Scroll to ESCAPE FROM MENUS and press the wheel to exit 5 3 4 2 Set Low Alarm The low alarm value cannot be set lower than 18 or above 99 1 Touch the O2 concentration display or Press the menu switch on the ventilator front panel and select the O2 monitor sub menu 2 Scroll ...

Страница 60: ...w Supply Pressure Alarm Every 6 months Inspection and Function Check Remove patient block assembly and clean Check condition of bellows Every 12 months Repeat six month procedure plus Replace components including O seals drive gas inlet filter exhaust diaphragm one way valve Preventive maintenance kit available Every 2 years Repeat 12 month service plus Replace battery Every 2 years Repeat 12 mont...

Страница 61: ... for correct refitment 2 Undo the securing knobs 3 3 Carefully detach the assembly 1 from the control unit Note that resistance will be felt until the metal tubes 4 disengage 4 Wash thoroughly then sterilise as recommended in section 6 3 Do not disassemble Refitting 5 Position the patient block and push fully into the control unit ensuring that the metal tubes 4 are engaged in their unions 6 Fit t...

Страница 62: ...f on screen indicator control using navigator wheel 3 Menu Selection Tests every six months 3 1 Press Menu button Check menu screen appears 3 2 Rotate Navigator wheel and check menu scrolls Check sub menus can be selected by pressing the Navigator wheel Note some menu selections will time out after approximately 8 seconds of inactivity 3 3 Restore any changed settings during above tests 4 Engineer...

Страница 63: ...months Apply oxygen approved grease 6 9 Refit diaphragm valve and secure 3 x thumb screws 6 10 Refit bellows and canister 6 11 With hand occlude the Inspiratory connector of the absorber and inflate bellows assembly using flush button until bellows is at top of housing With no flow from anaesthesia machine bellows should not drop 6 12 Move hand from Inspiratory connector and occlude drive gas hose...

Страница 64: ...removed 7 9 Connect manometer to output of patient proportional valve small probe Check for 90 cmH2O 10 during the inspiratory phase and zero during the expiratory phase Adjust secondary regulator as necessary 7 10 During expiratory phase ensure that there is no gas flow from the Drive Gas connector If necessary carry out Drive Gas Valve Offset calibration 8 Control Unit every 6 months 8 1 From Di...

Страница 65: ...ult selection screen appears and automatically defaults to adult mode after approximately eight seconds 10 5 Note standby mode is highlighted white in the bottom right of screen 10 6 Set incorrect rate i e increase Vt and or Rate controls Check Incorrect Rate Or Ratio displayed on screen and 3 alarm tones sound Do not confirm settings wait for default values to return 11 Oxygen Analyser Function a...

Страница 66: ... calibrate Spiro 12 7 Display will flash Calibrating Zero 12 8 If successful Calibration complete will be displayed 12 14 Reconnect fresh gas hose patient circuit and manual bag and re set bag vent switch to Vent position 13 Spontaneous Mode every 6 months 13 1 Select Spont Mode on touch screen 13 2 Check absorber is in vent mode 13 3 Operate Test Lung by hand Check Vt meas BPM and I E readings at...

Страница 67: ...tch ventilator to Standby From the Special Modes menu select Pressure Re select Spont Mode and select PSV NB If absorber switch is not enabled in service menu message will read Absorber in vent mode Press PSV once again 13 14 Operate Test Lung by hand and check that occasional ventilator assistance is given with a pressure of 10 cmH2O 13 15 Stop operation of test lung and ensure pressure reading f...

Страница 68: ...operating smoothly test lung is inflating and system pressure is displayed on both vent and absorber manometer 15 Airway alarm Tests every 6 months 15 1 Set ventilator to default settings and ventilate test lung in Volume mode 15 2 Disconnect test lung and occlude patient connector Ensure High Airway Pressure occurs Re connect test lung and ensure alarm clears 15 3 Disconnect test lung and open pa...

Страница 69: ... anaesthesia machine is set to minimum Fill bellows using O2 flush Allow bellows to cycle and verify bellows remain full If necessary adjust flow from anaesthesia machine to maintain full bellows Max permissible flow leak 200ml 16 4 Check waveform holds the airway pressure values Level display A falling display indicates a leak either in the driving circuit the patient circuit or the absorber syst...

Страница 70: ...hragm 300580 One way valve 300581 O rings x 5 5 mm 041204 7 mm 041245 12 mm 041222 Inlet filter 300560 Bellows 57550 2 year Kit Part No 57299 As One year kit plus 12v battery 103996 4 year Kit Part No 57300 As 2 year kit plus 3v PCB battery 104019 Bellows diaphragm valve 406020 64 ...

Страница 71: ...ription Quantity 1 01056 M5 x 12 SKT HD Cap Screw 4 2 300529 Screen Display Assembly Remote 1 3 5000543 Chassis Assembly Remote 1 4 01130 M5 X 16 SKT Cap Head Screw ST STL 4 5 300549 Interface Cable screen to control unit 1 not shown PARTS LIST 65 5000492 Arm Assembly ...

Страница 72: ...573 Gasket 2 5 01253 M4 X 25 SKT HD Cap 4 6 300550 Membrane Switch LED s 1 7 019122 M3 X 6 LG Button HD 4 8 300516 LVDS Encoder Assembly 1 9 01013 M4 X 10 SKT HD Cap 4 10 300547 O Ring Cord 1 11 300524 TFT Sub Assembly 1 12 01059 M2 5 X 6 CH HD 2 13 025606 M3 Fibre Washer 6 14 15056 Product Label 1 15 15446 Warranty Label 1 PARTS LIST 66 ...

Страница 73: ...y 1 300565 8 4 TFT Screen NEC 1 2 300531 TFT Mounting Plate 1 3 300567 Inverter 5V 1 4 300599 M2 5 X 16 Butt HD SS 4 5 5000544 M2 5 Nyloc Nut ST STL 4 6 300536 Tape Touch Screen To TFT 1 7 300537 Tape TFT To Plate 1 8 300566 8 4 Touch Screen 1 PARTS LIST 67 ...

Страница 74: ... 300534 SP Mounting Plate 1 3 019171 M4 x 10 But Flanged HD 10 4 300564 Short Form Instructions 1 5 019049 M3 X 10 LG Pan HD 3 7 5000489 Chassis Assembly 1 8 5000499 Tray Assembly Remote 1 9 15446 Warranty Label 1 10 15056 Product Label 1 11 034072 M5 Cover Plug 4 12 5000460 Cover AVS 1 PARTS LIST 68 ...

Страница 75: ...PARTS LIST 69 ...

Страница 76: ...1 16 5000504 External Circlip Ø8 mm Shaft 2 17 5000472 Chassis Label AVS 1 18 300569 Power Supply 1 19 300634 Straight Connector 5 O D Tube M5 1 20 5000540 Bostik Silicone Sealant A R 21 5000488 Pressure Connector 1 22 041204 5 1 I D X 1 6 CSØ Viton 1 23 500506 Tray Gasket 1 24 5000487 Bleed Adaptor 1 26 054541 Tube Conn 1 27 041245 O Seal Ø7 0 X 1 5 1 29 300609 Sensor Assembly 1 30 019067 M4 X 12...

Страница 77: ...71 ...

Страница 78: ...PARTS LIST 72 ...

Страница 79: ...tor Assembly and Control Block Assembly Item Part No Description Quantity 1 300526 Regulator Assembly 1 2 5000482 Control Block Assembly 1 3 019037 M3 X 35 Cap HD 4 4 041221 O Ring Ø8 1 X Ø1 6 1 PARTS LIST 75 ...

Страница 80: ...000452 Drive Gas Block 1 11 5000453 Valve Base 1 12 0501 O Ring 1 13 01014 M4 X 16 SKT HD Cap Screw Ss 4 14 011169 M4 Skiffy Cap 4 15 019028 M3 X 6 Grub Ss Cup 1 16 019087 M3 X 16 Cap HD Screw 4 17 019128 M4 X 8 Butt HD CHEM BLK 4 18 019153 M4 X 50 Cap Head SS 4 19 041214 O Ring RM 0221 16 Viton 1 20 041217 O Ring 1 21 041250 O Ring Ø27 6 X 2 4 1 22 300561 Compression Spring 1 23 5000444 M4 Tappex...

Страница 81: ...PARTS LIST 77 ...

Страница 82: ... supply Note that the Low Battery Alarm indicator may be displayed if automatic recharging is taking place as the ventilator is in use B Battery care storage requirements During storage batteries will require a periodic recharge the frequency of which is determined by the storage temperature which must not exceed 50oC 120oF Storage Recharge temperature period 38 to 50oC 100 to 122oF 1 month 21 to ...

Страница 83: ... invert in colour 3 User settings menus only activate in Standby mode 4 Clock menu Upgrade menu Diagnostic menu only activate in Standby mode 5 Special Modes on screen tab only activates in Spontaneous mode 6 Adult default settings VT 600 mL RATE 10 bpm IE RATIO 1 2 Plimit 38 cmH2O Ptarget 10 cmH2O 7 Paediatric default settings VT 150 ml RATE 15 BPM IE RATIO 1 2 Plimit 38 cmH2O Ptarget 10 cmH2O AP...

Страница 84: ... 4 0 L min Waveform ESCAPE FROM MENU SECOND WAVEFORM off Second waveform pick list off vol vs time vol vs press Alarm settings ALARM MENU ESCAPE FROM MENU ALARM MODE default HIGH TIDAL VOLUME off VM MIN 0 3 L VM MAX 0 9 L VT MIN 300 mL VT MAX 900 mL APNOEA ALARM LIMIT 0 3 cmH2O ALARM VOLUME 50 default user Toggle option off on Toggle option 0 0 7 4 Integer 0 1 7 5 Integer 10 1600 Integer 20 2400 I...

Страница 85: ... Service ESCAPE FROM MENU LANGUAGE ENGLISH PRINT PATIENT DATA SERIAL MODE none CLOCK MENU UPGRADE MENU AMBIENT PRESSURE 988 mBar DISPLAY HISTORY SERVICE PIN 0 ENGINEER MENU Language pick list ENGLISH ITALIANO TURKCE POLSKI ESPANOL Serial mode pick list NONE Philips SPACELABS Clock ESCAPE FROM MENU YEAR 2005 MONTH 3 DATE 16 DOW 3 HOUR 9 MINUTE 57 UPDATE CLOCK DAYLIGHT SAVING off Clock pick list int...

Страница 86: ...sses and possible breathing system leaks During the inspiratory cycle the inspiratory flow sensor measures the gas volume delivered to the patient The flow sensor output is read at least every 2 msec and then five sets of readings are averaged and the averaged value is sent every 10 ms to the processor for calculation of the volume delivered to the patient This delivered volume will consist of the...

Страница 87: ...monitor In this event the ventilator relies on the basic delivery look up table and the internal flow sensor to confirm delivery volumes as near as possible under the circumstances Accuracies for spirometry measurement are 300 ml 10 100 ml 300 ml 20 100 ml 50 Flow sensor description The microbridge mass airflow sensor operates on the theory of heat transfer Mass airflow is directed across the surf...

Страница 88: ...ove ambient air temperature which is sensed by a heat sunk resistor on the chip The ratiometric voltage output of the device corresponds to the differential voltage across the Wheatstone bridge circuit Sensor flow characteristics The graph shown below is a typical flow versus resistance graph for the Honeywell spirometer head units for the flow range showing typical hysteresis between up and down ...

Страница 89: ...is not in contact with the breathing gas and therefore only needs cleaning as described above Remove the bellows housing A by slightly twisting it counter clockwise until the tabs at the bottom clear the bayonet locks then lift it straight up from the base Touchscreen Use a soft cloth only Never use any harsh abrasive cleaning agent Bellows and exhalation diaphragm valve Each time the bellows asse...

Страница 90: ...circuit or an HME at the patient tee piece After cleaning check that the small O ring F located in the bellows base under the diaphragm valve is in place The ventilator will not function if the O ring is missing See next page for information on sterilisation procedures Refitting Refit the diaphragm valve assembly to the bellows base and reassemble the bellows assembly If a paediatric bellows is fi...

Страница 91: ...ses Follow the recommendations given by the steriliser manufacturer for aeration periods required ITEM METHOD Bellows Gas liquid autoclave 20 cycles max Hoses Gas liquid autoclave O rings Gas liquid autoclave Bellows base Gas liquid autoclave Exhalation valve Gas liquid pasteurise low temperature assembly autoclave Control unit Do not sterilise remove patient block Patient Block Autoclave Bellows ...

Страница 92: ...rdous B Lead Do not attempt to open a cell ALWAYS check the integrity of the sensor assembly before use Once exhausted the sensor must be disposed of according to hospital local state and federal regulations Sensor Expiry Date The approximate expiry date is marked on the sensor label using two boxes which represent the year and month Thus on a sensor marked as below the approximate expiry date is ...

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Страница 94: ...k Barton Lane Abingdon OX14 3PH UK Technical Support Tel 44 0 1235 547076 Fax 44 0 1235 547062 E mail technicalsupport penlon co uk International Sales Tel 44 1235 547001 Fax 44 1235 547021 E mail export penlon co uk UK Sales Tel 01235 547036 Fax 01235 547023 E mail uksales penlon co uk ...

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