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Alia Ventilator - Frank`s Hospital Workshop

1. Valve block The valve block accommodates solenoids V1 and V2 and connects them with the connection fitting for the patient part Fig 27 Valve block 1 solenoid V1 2 solenoid V2 In the open mode constant flow the fresh gas reservoir has no function Solenoid V2 remains closed permanently Solenoid V1 remains open permanently There is a constant flow of fresh gas to the patient part patient part patient part expiration valve expiration valve safety valve 70 mbar safety valve 70 mbar 1 1 i I fresh gas reservoir f f 1 resh gas reservoir mem kai ee fete O02 Al INSPIRATION EXPIRATION O2 AIR Fig 28 Gas flow in open mode In the semi open mode constant volume solenoid V2 remains open permanently 34 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions During the expiration phase solenoid V1 remains closed The bellows fills with the constant flow of fresh gas During the following inspiration phase solenoid V1 opens The collected fresh gas is conveyed by solenoid V1 to the patient The tension spring of the bellows ensures that the reservoir empties quickly patient part patient part 1mm PEEP expiration valve H safety valve 70 mbar safety valve 70 mbar 7 fresh gas reservoir v1 INO fresh gas reserv
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3. Alia Ventilator une E e nite Eas wee Je A Dh 0 U Service Instructions CE 0482 Preface Service instructions Note F Stephan GmbH Medizintechnik Kirchstrasse 19 56412 Gackenbach These service instructions aim to provide assistance for troubleshooting activities with the ALIA ventilator It contains drawings circuit diagrams and parts lists for a better understanding of how the ventilator works Service and maintenance work can be carried out to the peripheral components of the ALIA ventilator Repairs to the electronic control of the ventilator can only be carried out by F STEPHAN GMBH or authorized service partners Otherwise the entire electronic systems in the ALIA ventilator require no maintenance Every step of a specific procedure should be read through carefully before starting to service the unit Always only use the correct tools and the stated measuring equipment Failure to follow the instructions and or recommendations in these service instructions can result in the device not working properly or cause damage to the device Only use original spare parts by F STEPHAN GMBH as contained in the spare parts list see chapter 10 p 75 These service instructions do not replace the operating instructions Handling the device in any
4. O metering valve Flow of min 30 l min CL Open AIR metering valve Flow of min 30 l min O Power supply Visual inspection mains connection Intact strain relief in place battery status Mains symbol LED lights up green Battery symbol LED lights up green or orange Disconnect mains connection Device continues to operate alarm Power _ supply fail Automatic system Main switch ON System test successful O test System test System tightness Semi open No Monitoring Pmax over 40 cmH 0 U AIR flow 4 l min Alarm limits Pmax 10 60 cmH O Patient part Plateau 50 mbar PEEP 3 mbar Respiration mode CMV Insp 1s Exp 4s Semi open Yes Takes approx 10 s for internal fresh gas reservoir to fill the monitoring Pmax over 40 cmH O Inspiration pressure plateau Expiration pressure PEEP Close Y piece Monitoring Pmax shows adjusted inspiration pressure Monitoring PEEP shows adjusted expiration pressure O Apnea monitoring Adjust respiration form C BKUP After 30 s Apnea alarm F Stephan GmbH SA 112 0106V1 0 WEM GB 53 6 Checks and maintenance Device type SN Date Signature WHAT HOW NOMINAL ACT Monitoring minute Respiration mode CMV gt Low Min Volume alarm U volume lower limit MV to 1 L Monitoring airway Respiration mode CMV gt Peak Pressure alarm inspiration stops O pressure up
5. an 8 channel AD 12 bit converter The AD converter is equipped with protective diodes max 5V on the input side A serial chargeable slide register with power amplifier is used for triggering the heating and the valves via the SPI bus Pressure sensors The respiratory pressure is measured at the inspiration fitting of the patient part The pressure present here is conveyed via a tube to the pressure sensors respiratory pressure For safety reasons two pressure sensors are provided for measuring the respiratory pressure The differential pressure developing over the resistance body of the PNT head is used for measurement of the volume flow This differential pressure is conveyed via two tubes to the differential pressure sensor F Stephan GmbH SA 112 0106V1 0 WEM GB 17 3 Components and functions Calibration block FiO measurement Fig 10 PNT and pressure fitting 1 hose heating socket 4 electrical connection magnetic 2 temperature sensor socket coil 3 pneumotachograph connector 5 pressure fittings 6 water bath connectors The calibration block allows for offset calibration of the differential pressure sensor and the oxygen sensor The interposed solenoids V4 and V5 switch the measuring lines of the differential pressure sensor against the atmosphere The valves are switched at exactly the same time The value measured in this way corresponds to a flow of 0 l min FiO measurement is carried out using a
6. damaged replace if necessary When fitting the front panel ensure that the springs are correctly positioned in the spring spindle guides Before tightening the front panel again check that the patient part functions correctly Check that the front panel fits correctly according to its outer contour Finally test the patient part with a flow of approx 5 land a patient tube system with test lung at the ventilator Control and readjust the knobs if necessary Fit the plate knob in such a way that a pressure of 60 mbar is just reached when the knob is turned right round to the right Fit the PEEP knob so that 10 mbar is achieved at the start of the bright section when the knob is turned right round to the right Safety checks Safety checks must be carried out every six months by F STEPHAN GMBH or the authorized customer service following the six monthly maintenance 60 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance 6 4 1 Test report System name Alia System type Ventilator Manufacturer F Stephan GmbH Serial number Software version Serial number patient part PNT E PNT C PNTD Tube system L L Test equipment make Type Remarks Tester Test date Signature SN SN Children Adults Serial number F Stephan GmbH SA 112 0106V1 0 WEM GB 61 6 Checks and maintenance Visual inspection Is the system in a perfec
7. gt en TEE LEE ELE TLE LT LE TEL ELLE LLL ELL TELE ELLE LER ELLE TLE T ELLE ETL LTTE ELLE ETE LEELA LTD r N anne 2 zz ba QII a nn B E Fig 37 Tube system for children At the patient s end of the inspiration tube the temperature sensor for controlling the tube temperature is inserted in the tube fitting The patient tube system can only be operated with temperature sensor because otherwise the opening for the sensor would prevent any build up of pressure The connectors for the heating are plugged into the corresponding sockets on the ventilator To measure the inspired or expired flow a pneumotachograph type C U make F STEPHAN GMBH must be used together with a patient tube system for children 42 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions 3 6 3 Temperature sensor for patient tube system The temperature sensor measures the temperature of the breathing gas near to the temperature and constitutes the target parameter for controlling the heating ee o Fig 38 Temperature sensor The resistance of the thermistor bead integrated in the measuring tip decreases with increasing temperature Temperature C Resistance kQ 15 7 855 20 6 246 25 5 000 30 4 028 35 3 265 Table 1 Resistance of the temperature sensor The temperature sensor cannot be autoclaved The high temperature causes cracks in the measuring bead insulation Penet
8. 1100 HO 103 550 100 103 550 100 pneumograph PATIENT Fig 49 Pneumatic diagram 72 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 9 List of illustrations 9 List of illustrations Fig 1 Opening the housing uensesseessnessnersnnennnesnnennnesnnesnnennnennennnnn 9 Fig 2 Hinging open the housing uursuerssesnnesnnesnnennnnnneensennn nennen 10 Fig 3 Front housing with input periphery uuenscesseessensnrsnersneennnen 10 Pig 4 Basic housing ssie aeeie eee araea n Ka a ebvandenavsbaceasss 11 Big 5i Service flap une nsannsalenHeann 12 Fig 6 Electronic componentS scnseersnrsnersneesnnesnnesnnnsnnennnnnnsnnnsnnnannnn 12 Fig 7 pneumatic components uensessessnnssnnesnnesnesnnennnennnennnennne ernennen 13 Fig 8 Inserting the patient part 0 eee cesecesecesecseeeeseeeseeeeneeeneeenaes 14 Fig 9 ALTA block diagran u nennen rn 15 Fig 10 PNT and pressure fitting urs0urssrsnneennesnnennnennnennenn nennen 18 Fig 11 Display showing CAL ucssersssssnesnnesnnernnennnnnnnnnnsn essen 19 Fig 12 Pneumatic function diagram 0 0 eee eesecsseceneceeeceeeeeseeeaeeenaes 19 Fig 13 Controller board 20 Pig 14 Controller board sense nennen 21 Fig 15 Power Distribution Unit POU eee ceeeeeeeeeeeeeeeneeenees 22 Fig 16 Power Distribution Unit POU eee ceeeeeeeeeeeeeeeeeeeenees 23 Pigs 17 Battery
9. 12V 35W heating cartridge and the tube heating on or off depending on the nominal and actual temperature value The electrical resistance of the heating cartridge is 27 5 Q F Stephan GmbH SA 112 0106V1 0 WEM GB 39 Components and functions 3 6 3 6 1 Caution j The water of the humidifer chamber evaporates along the heating tube The capacity of humidifer chamber is 500 ml The surface of the heating cartridge heats up to more than 100 C Do not touch the heating cartridge when the device is switched on The moistened heated breathing air is conveyed into the patient tube system via the inspiration fitting The heating integrated in the tube system prevents the water from condensing in the tube Patient tube system Two different patient tube systems are to be used with the ALIA ventilator depending on the patient The tube systems named here are made of silicone and are therefore considered to be FREE OF LATEX AND PVC The tube systems named here can be reused and sterilized using conventional methods Please comply with chapter 8 of the ALIA operating instructions Patient tube system for adults The patient tube system for adults consists of a Y piece and a heated 22 mm inspiration and expiration tube The colour of the tube fitting for the inspiration tube is red It must be connected to the red tube fitting on the patient part The neutral coloured expiration tube is connected to the neut
10. 2 0106V1 0 WEM GB 57 6 Checks and maintenance A Caution 2 Calibration at 50 mbar Input of cpp0 ENTER starts offset calibration of the pressure sensor near the patient cppO Start calibration FlowCal 0 PO2Cal 0 PPatCal 30 PRedCal 0 The new values for the offset must be saved after calibration To this end set the option SAVE SETs to YES in the ALIA menu The new calibration value is only accepted after leaving the OPTION menu Christina HyperTerminal oO xj Datei Bearbeiten Ansicht Anrufen bertragung cpr Start calibration FlowCal 0 POZCal 0 PPatCal 0 PRedCal 30 cppo Start calibration FlowCal 0 POZCal 0 PPatCal 30 PRedCal 0 PCal gesetzt Verbunden 00 05 39 Autom Erkenn 19200 8 N 1 RF GR 5 Fig 46 PC monitor after saving Offset calibration must be carried out before calibration at 50 mbar For calibration at 50 mbar connect the silicone tube at the 4 mm fitting of the calibration block with a cross piece Connect the opens to a pressure source and the water column and adjust to 50 mbar Input of cpr5 ENTER starts 50 mbar calibration of the redundant pressure sensor Cpr5 Start calibration FlowCal 0 PO2Cal 0 PPatCal 0 PRedCal 35 58 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance A Caution Input of cpp5 ENTER starts 50 mbar calibration of the pressure sensor near the patient Cpp5 Start calibration
11. B 21 3 Components and functions 3 1 3 Power Distribution Unit PDU Fig 15 Power Distribution Unit PDU 1 PDU board The task of the Power Distribution Unit PDU is to safeguard operating voltage and the constant current charge for the rechargeable battery Visual and acoustic alarms are generated for error statuses If the output voltage of the power unit is greater than that of the battery then the ALIA ventilator runs completely off mains power If the output voltage of the power unit falls below that of the battery power failure voltage fluctuations etc then the ventilator runs off the battery This happens without electronic changeover parallel mode The Power Distribution Unit PDU can only be switched on by a switched on by a rechargeable battery This can also be discharged 10 8 V 22 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions Tasks Voltage changeover Fig 16 Power Distribution Unit PDU Checking input voltage Uninterrupted contactless changeover of the power supply sources with consideration of the voltage hysteresis defined by the software Recharging the battery Battery test under partial load Visual LED test when ALIA starts up Testing the piezo electrical signal transducer when ALIA starts up Switching the compressor on and off Communication with the micro controller Checking the external air pressure supply Changeov
12. FlowCal 0 PO2Cal 0 PPatCal 35 PRedCal 0 The new values must be saved after calibration To this end set the option SAVE SETs to YES in the ALIA menu The new calibration value is only accepted after leaving the OPTION menu 6 3 2 Maintenance of the patient part The inductive resistance in the patient part of the ALIA device must be checked with a multimeter at six monthly intervals The measurement is carried out at the two upper horizontal jacks on the patient part If the measured resistance is less than 115 Q or larger than 125 Q then the magnetic coil has to be replaced Remove the front panel of the patient part every six months Clean all loose accessible parts with a suitable cleaning agent e g alcohol 0 a Gn WO amp Fig 47 Remove front panel of patient part We draw attention particularly to the need for intensive cleaning of the inner part the coil body and the magnetic core In the case of pronounced wear mechanical drive replace the PEEP valve plate with axis and coil core F Stephan GmbH SA 112 0106V1 0 WEM GB 59 6 Checks and maintenance 6 4 A Warning The magnetic core at the valve axis must be secured with an anaerobic adhesive The valve must close reliably and not have any contact with the head end of the coil body Check that the valve spindles move easily possibly lubricate with silicone grease Check that the O rings of the valve spindles O ring 12 x 1 are not
13. air aqua dest Aqua destilata lat Distilled demineralized water bar Unit of measurement for compressed air Batt Rechargeable battery Device for storing electrical energy in the form of chemical energy cmH 0 Unit of measurement for compressed air mbar FiO Inspired oxygen concentration IGR Incremental transducer Push button and knob PDU Power distribution unit Power Distribution Unit PEEP Positive end expiratory pressure V Volt Unit of measurement for electrical voltage Table 1 Abbreviations and definitions 6 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 1 General information 1 4 Safety instructions Refers to instructions drawing attention to important facts The following safety instructions appear at relevant points in the service instructions and must always be heeded Refers to warnings which if not heeded can result in malfunctions damage or defects in the device which can possibly also put the patient at danger Refers to precautions which if not heeded can result in damage to the device and its accessories F Stephan GmbH SA 112 0106V1 0 WEM GB 7 STEPHAN 2 Mechanical structure 2 Mechanical structure Front housing A Warning The ALIA ventilator consists of a basic housing and a front housing The front housing also acts as the device cover Fig 1 Basic and front housing general Remove the front housing to open the ALIA ventilator Risk of an e
14. ant pressure sensor cpr5 Start calibration FlowCal 0 PO2Cal 0 PPatCal 0 PRedCal 35 Input of cpp5 ENTER starts 50 mbar calibration of the pressure sensor near the patient 46 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 4 Serial interface A Caution cpp5 Start calibration FlowCal 0 PO2Cal 0 PPatCal 35 PRedCal 0 The new values must be saved after calibration To this end adjust YES for the SAVE SETs option in the ALIA menu The new calibration values are only accepted after confirmation by pressing the IGR Saving the values is confirmed on leaving the Options menu with the output PCal set 4 2 Setting and querying the date and time Input of td ENTER starts the output of date and time td Date 15 11 22 8 12 05 Input of td_HH MM SS_DD MM YY ENTER readjusts the time and date ts 15 17 30 10 12 05 The system is set to 10 December 2005 15 17 hrs and 30 seconds The clock in the ALIA ventilator is not buffered It serves merely for time recording when saving interface outputs F Stephan GmbH SA 112 0106V1 0 WEM GB 47 4 Serial interface 4 3 Output of measured values The output function out ENTER can be used for direct reading of the current IO values of the ALIA ventilator These values are shown in the sections INTADC EXTADC CTRLREG and Vimage with additional abbreviations These act as interpretation help These input values are used as the basis for cal
15. art is connected to the basic device from the front The patient part is held in position by the guide rail F Stephan GmbH SA 112 0106V1 0 WEM GB 13 2 Mechanical structure Fig 8 Inserting the patient part 14 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions 3 Components and functions The ALIA ventilator consists primarily of the following parts Electronic controls Power supply Gas supply Fresh gas reservoir Patient part Patient tube system fresh gas reservoir P patient part pressure switch Q 5 bar 02 flowmeter PLATES vake PEEP abe 0 Wee en ei 2 Irpul 5 bar Air O 7 Tsersor y e vy TE a t Pe 2 SENSOR BOARD 2 Ppatent pressure switch AIR compressor n r AIR CONTROLLER BOARD Comp PDU batt battery JE Fig 9 ALIA block diagram F Stephan GmbH SA 112 0106V1 0 WEM GB 15 3 Components and functions 3 1 Electronic controls The ALIA ventilator uses an 8 bit micro controller This controls the sensors and actuators in the system In addition to these components the unit also has electronic components which provide the electrical power supply These consist of a power supply unit and a device for bridging any power failure In the event of a power failure the device switches over to battery operation and regulates the battery charging process The sens
16. at the latest every 3 years To remove the rechargeable battery open the flap on the bottom of the ventilator Fig 44 Battery flap on the bottom of the ALIA F Stephan GmbH SA 112 0106V1 0 WEM GB 55 6 Checks and maintenance A Caution Oxygen sensor Caution Intake filter Calibrating the pressure sensors When fitting the new rechargeable battery take special care to connect it up to the right poles Incorrect polarity can damage the electronic components The service life of the fitted oxygen sensor is approx 150000 h Check the efficiency of the sensor every six months To check the sensor take it out of the device Disconnect the connection plug after opening the service flap Remove the sensor by unscrewing counter clockwise The basic voltage of the fuel cell can be measured with a multimeter at the plug of the oxygen sensor If the measured basic voltage is lt 8 5 V the cell is depleted and must be replaced by a new one After opening the packaging the oxygen sensor takes approx 20 minutes to achieve its full basic voltage Fluctuations in the FiO display are possible during this period The oxygen sensor has to be calibrated once it has been fitted in the device and the service flap has been closed To do so set the option O2 Cal to YES in the ALIA menu Please comply with chapter 3 of the ALIA operating instructions The new values must be saved after calibration To
17. bic adhesive Teflon sealing tape Soldering tin Unsoldering cord Silicone adhesive E41 and E43 F Stephan GmbH SA 112 0106V1 0 WEM GB 51 5 Tools and aids Instruments and accessories Electronic pressure meter 10 100 mbar tol 1 digit Oxygen monitor Pressure measuring set consisting of injection syringe silicone tube 3x1 5 Y piece small 3 way cock Safety tester as per VDE 0751 Vernier calliper Measuring tape 52 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance 6 Checks and maintenance 6 1 Every time before starting the device The functions of the device must be checked every time before it is started Device type SN Date Signature WHAT HOW NOMINAL ACT O spare bottle Open bottle valve O pressure O gt 70 bar ALIA intake pressure 3 6 bar If necessary close bottle valve and fit a full gas bottle ZGA gas connection Visual inspection of gas type colour Iso colour code 31 12 2009 latest or leads coding neutral colour code gas type sticker in Note any specific inhouse ruling place from 30 07 2006 gt O oxygen white AIR compressed air black and white O Mechanical unmistakeability angled plug and gas connections O2 Q AIR Double flowmeter Check tightness Suspended bodies in individual measuring close all metering valves tubes must return to zero Open
18. culations which are shown in the last section broken down according to pressure flow O and temperature Christina HyperTerminal Dj x Datei Bearbeiten Ansicht Anrufen bertragung NTADC DPa2 DOZ Uev TI 0 0 EXTADC DPal Flow 02 TTank TTube 202 17 855 1079 768 CTRLREG 15 Ak DC OR Iv HZ 1 l l 1 0 0 0 Vimage 32 0x20 Evl EVZ OV FV AE HZ 0 o 0 0 0 l o P gt Pat 86 Red 90 02 0 DBG Off gt Pat S Red O 02 0 DBG Gain gt Pat 417 Red 8197 02 8500 DBG Flow 2 Flow_Off 18 DiffP 17 DBG Flow 2 In 17 dP In02 855 O2CalFactor 861 Diff 6 Calc 208 CalcOld 200 M02 21 Temp Pat 204 In 768 R 6144 InRed 47 RRed 6016 Diff 16 RedDiff 1l0 2 TempTank 285 In 1079 R 4316 Breath 0 Insp 0 Auto 0 ITime 12 ETime 25 Cnt 0 gt verbunden 00 03 31 autom Erkenn 19200 8 N 4 RF Ross nF E5 Fig 42 Output function out INTADC INTADC stands for the output values of the AD converter in the controller board DPa2 Digital value of the redundant patient pressure sensor DO2 Monitoring the oxygen pressure switch UeV Measuring the valve flows UeVD Measuring the power supply of the pressure sensors TRed Digital value of the redundant temperature sensor 48 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 4 Serial interface EXTADC CTRLREG VImage EXTADC stands for the output values of the AD converter in the sensor board DPal Digital value o
19. display ee 24 Fig 18 ALIA power supply UNit cece ceeeeeeeeeceeeeeeeeeeeaecaeeeeeeaeeneeeeees 26 Fig 19 Rechargeable battery oo eee eseeseeneceneceeeeeeeeeeeeeeeeeeaeeeaeeeaaes 27 Fig 20 Inverter nennen SAE EEEE aRt 28 Pig 21 Double flowmeter a een 29 Fig 22 Overview gas supply uenseesseessnersnessnnssnnesnnesnnesnnennnennnnensennnnn en 30 Fig 23 Display O2 available eee ese ceseceseceeeceeeeeeeeseneeeneeeaeeenaes 30 Fig 24 Compressor u nennen ansehen 31 Fig 25 Fresh gas TeserVvolr un enesenisnnensn 32 Fig 26 Valve block u unn n 02 en 33 F18 27 Valve lock nassen aieia 34 Fig 28 Gas flow in open mode essseessesssssssessserssesessessesssrseessessrssessese 34 Fig 29 Gas flow in semi open mode 0 00 eeeeeeeeeeeceeeeeeeeeeeeeeneeeneeenaes 35 F Stephan GmbH SA 112 0106V1 0 WEM GB 73 9 List of illustrations Pig 30 Safety Valve oisein tnie e e a es ea EE ateh 35 Pig 3l Patient paitia ae 36 Pis 32 PEEP valven erena hrs 37 P18 33 Pl teau v lve 2 isane e a aa asasen 38 Fig 34 Patient part humidifer and sensor rueessesssesneensenneennennnen 39 Fig 35 Tube system for adults cece eesecsseceseceeeeeeeeeseessneeeneeeaeeenaes 41 Fig 36 Heating connection 000 eee eee essecseceeceeceeeeseeeeeeecneeeaeesaeeenaes 41 Fig 37 Tube system for children cece ceseceseeeeceeeeeeeeeeseeeneeeneeenaees 42 Fig 38 Temperature sensor eeuessesssersn
20. e eee ceeeeeeeeeeeeeeeeaeeenees 31 3 4 Fresh Pas PESCrvVOIr selec cocteiscsosssacts typ sies tv dpiedocuiinveteieetees 32 3 9 Patent pateses nrinn A E NERES 36 3 34 PEEP Valve scicccrcistedeicisiatiiieiniin ieradies 37 3 9 2 Plateau valyesnenend ununi oiana 38 3 5 3 Breathing gas humidifier e 38 3 6 Patient tube SySt Mesecne i 40 3 6 1 Patient tube system for adults 40 3 6 2 Patient tube system for children 42 3 6 3 Temperature sensor for patient tube system 43 3 6 4 Pneumotachograph type D 00 eee eeeeeeeeeeeeeees 44 3 6 5 Pneumotachograph Typ C u useeeenennne 44 4 Serial MCA CE vsscosssssccs sedsess neea vices eise a E 45 4 1 Commands 3 ticscccedescieiiiiin Acaeantinehalaaaaaaiimenctaedas 46 F Stephan GmbH SA 112 0106V1 0 WEM GB 3 Contents 10 11 42 Setting and querying the date and time 47 4 3 Output of measured values uursersneesnnesnesnnesnnennnennnn en 48 T00ls and lds u3 2 i0 2 8 Erin 51 Checks and maintenance uu suerssersnersneesnesnnennnnnnnnnnnnennnnnnnennn ern enn 53 6 1 Every time before starting the device 53 6 2 Weekly a ee E A Eai 54 6 3 M yearly anere Sister Sida aden ete tedden 55 6 3 1 2 yearly maintenance basic unit 55 6 3 2 Maintenance of the patient part 59 6 4 Safety Checks ss vos e aee ERE iii Lene 60 6 4 1 Test report oeer a e
21. e is open in idle state The extent of the final expiration pressure is defined by the tension of the spring before the valve plate The tension in the spring is adjusted by the PEEP knob F Stephan GmbH SA 112 0106V1 0 WEM GB 37 3 Components and functions 3 5 2 3 5 3 Plateau valve RLNA valve The plateau valve consists of a valve plate with a spring before the valve plate which limits the pressure in the patient tube system Fig 33 Plateau valve 1 RLNA valve 2 plateau valve disc The tension in the spring and thus the maximum pressure is adjusted by the plateau knob The valve plate contains the room air emergency breathing valve The silicone disk allows the patient to breathe spontaneously even if the breathing gas should fail The negative pressure to be produced by the patient to open the RLNA valve is approx 4 cmH 0 Breathing gas humidifier Heating and moistening the breathing gas is coordinated by the sensor board A temperature sensor in the inspiration fitting and at the end of the heating section of the inspiration tube provide the actual temperature value 38 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions _ a Fig 34 Patient part humidifer and sensor 1 refilling valve 5 heater tube 2 temperature sensor 6 teflon tube 3 o ring 7 humidifier chamber 4 heating cartridge The sensor board switches the
22. en if the system does not pass the battery test Total discharge protection comes into force when the measured voltage of the battery is lt 10 8V Batt_enable 0 An acoustic and visual alarm is given The user should stop using the ventilator and recharge the battery or provide another voltage source The compressor is switched on off without any contact 24 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions Communication with the micro controller External air pressure supply Communication with the micro controller is limited to the following signals Batt_enable battery voltage gt 10 8V Offreq signal of the ON OFF switch A pressure switch detects the external air pressure supply If the input pressure is lt 1 bar then the internal compressor is automatically switched on If the compressor is switched off when using an external air supply this prolongs the battery mode 3 2 Power supply The integrated power supply unit is responsible for connecting the ALIA ventilator to the mains power supply The cold device connector combination with integrated mains filter supplies power to the power supply unit As an alternative to the mains power supply the ALIA can be operated from an external 12V DC voltage source If no external voltage source is available the integrated rechargeable battery is automatically used to supply power to the ventilator The recha
23. er bath heating ON OFF Solenoid V1 fresh gas reservoir Solenoid V2 fresh gas reservoir Compressor ON OFF Current respiratory pressure in 1 10 mbar Redundant pressure Oxygen pressure switch only no measurement ADC offset at OcmH2O LSBO0 0 P ADC offset at OCmH20 LSBO 1 P_Red ADC deviation at 50 cmH20 PGain 0 ADC deviation at 50 cmH20 PGain 1 Flow in 1 10 L min Offset ascertained at zero flow Differential pressure in 1 10 ubar The displayed flow value results from the dP value calculated by means of the differential pressure value FlowIn ExtADC Temp_Pat 148 In 993 R 7944 InRed 255 RRed 32640 TempTank 303 In 997 R 3988 50 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 5 Tools and aids 5 Tools and aids Basic tools Special tools Lubricants auxiliary substances The following tools and aids are required to perform servicing and maintenance work Screwdrivers in various sizes Phillips screwdrivers in various sizes Wire cutting pliers Needle nose pliers Stripping pliers Set of Allen keys Scissors Set of open end wrenches 5 5 13mm Gaspipe pliers Soldering unsoldering set Tube cutter Forceps Brush PLCC extraction tool PC with terminal program NULL model cable Test lung for children Test lung for adults Hot air fan Super Lube silicone based Berolube oxygen resistant grease Loctite anaero
24. er of the various voltages takes place without any contact The current voltage source is indicated by the LEDs on the front of the unit The charge status of the battery is shown by three coloured LEDs red orange and green The charge curve is taken into consideration The charge status can be read off the LEDS red 10 40 orange 40 90 green 90 100 F Stephan GmbH SA 112 0106V1 0 WEM GB 23 3 Components and functions Testing the LEDs and the piezo Battery test Total discharge protection for the battery Compressor ON OFF 9 12 V ext Fig 17 Battery display Once the ON switch on the front of the unit has been pressed the system starts with a self test which shows the user that the control elements are functioning The self test consists of the following sequence 1 green LED of the mains power supply lights up green LED of the 12V vehicle power supply lights up green LED of the battery lights up red LED of the battery lights up piezo sounds moun e e N everything goes off again The battery test is only carried out when ALIA starts up The supply voltages are switched off internally for this purpose The test is displayed by the red and green LEDs in the battery symbol which flash alternately The battery test is carried out with load on the battery by switching the compressor on approx 2 amps for 6 s This starts immediately after the self test A brief alarm is giv
25. essnnesnnesnesnennnennnennn nn ennn nn 43 Piss 395 PNT D ohana a etait A ae 44 Fig 402 PNT C u teint ota iintons ar Ban en nee nen 44 Fig 41 Initialization sequence uuenuersnersneesnnesnnesnnesnnennnennneenne ernennen 45 Fig 42 Output function OUt ueesesssersnessnnesnnesnnesnnesnnnnnnennnennnnennn essen 48 Fig 43 Back of the ALIA service flap open 54 Fig 44 Battery flap on the bottom of the ALIA een 55 Fig 45 Tube fitting for pressure calibration eee eeeeeeeeeereeeneeeneee 57 Fig 46 PC monitor after saving ueessersnersneesnnesnnesnnesnnennnennnnnnsnnnn een 58 Fig 47 Remove front panel of patient part ureueesnnesnnensennseennnennnen 59 Fig 48 ALIA complete modules usensennessenseneessennenne 71 Fig 49 Pneumatic diagram 00 ee ee eeeeessecsseceeceseceseceseeeseeeeneeeneeeaeeenaes 72 74 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 10 List of tables 10 List of tables Table 1 Abbreviations and definitions cceesesssacneseeeeeeneennnnnnnenenn 6 Table 2 Test list een aka ren 54 Table 3 Troubleshooting table 20u220042000200nnsnenseensennnennnen 69 F Stephan GmbH SA 112 0106V1 0 WEM GB 75 STEPHAN 11 Place for your Notes 11 Place for your Notes F Stephan GmbH SA 112 0106V 1 0 WEM GB 77 F Stephan GmbH Medizintechnik Kirchstrasse 19 56412 Gackenbach
26. essure is gt 1 bar the oxygen failure alarm is automatically activated After the ventilator has been switched on the pressure of the oxygen input is checked The corresponding pressure switch is queried by the sensor board If there is no pressure lt 1 bar the display shows the question Is O2 available Confirmation with NO deactivates the oxygen failure alarm Low Oxygen Pres Is O2 available Fig 23 Display O2 available 30 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions 3 3 2 Compressed air supply Compressor The compressed air AIR is conveyed to the double flowmeter through the gas input fitting Pressure is constantly checked at the compressed air input The corresponding pressure switch is queried by the Power Distribution Unit PDU The downstream pressure reducer reduces the pressure to approx 300 mbar The non return valve closes the gas input while the compressor is running A T piece connects the output of the pressure reducer and the compressor with the double flowmeter If no external compressed air supply is available input pressure lt 1 bar the compressor is automatically switched on The PDU board controls the compressor switching on and off Fig 24 Compressor 1 compressor The compressor is a maintenance free magnetic piston pump The compressor runs on mains voltage The operating voltage for the compressor is generated by the inverter Thi
27. f the patient pressure sensor Flow Digital value of the differential pressure in the flow sensor 02 Digital value of the voltage in the oxygen sensor TTank Digital value of the resistance in the temperature sensor of the humidifer chamber TTube Digital value of the resistance of the temperature sensor near to the patient Accu Digital value of the voltage in the rechargeable battery The register CTRLREG shows the status of the internal hardware monitoring as digital signals 15 15 V OK voltage present Ak Battery OK DC 5 V supply from the power supply OK OR Position of the ON OFF switch not addressed IV Expiration valve OK H2 Tube heating OK Hl Water bath heating OK The valve image stipulates which valve is ON or OFF Every valve combination possible during operation of the ventilator has its own image VImage indicates which combination is currently active The individual valves and switches are listed in the register shown below EV1 EV2 Expiration valve OV Calibration valve of the oxygen sensor FV Calibration valve of the offset value of the differential pressure AE Battery switched on H2 Tube heating ON OFF F Stephan GmbH SA 112 0106V1 0 WEM GB 49 4 Serial interface Pressure Flow Temperature Hl BVI BV2 KE P gt Pat gt Red gt 02 Off gt Pat gt Red gt 02 Gain gt Pat gt Red gt 02 Flow Flow_Off DiffP Wat
28. for generating compressed air The power supply is switched directly from the Power Distribution Unit PDU compressor ON OFF 1 Fig 20 Inverter 1 inverter Input voltage 15V DC Output voltage 230V AC 50 Hz stabilized Continuous power 100 W The inverter has thermal overload protection and electronic short circuit protection 28 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions 3 3 Gas supply The oxygen concentration and the flow are adjusted by the double flowmeter Fig 21 Double flowmeter This means that the ventilator can be used with just one supply gas respectively with the internal compressor The output pressure is 300 mbar The external gas supply is provided by the coded NIST resp DIN gas inputs for O and AIR The gases must be dry and free of oil and dust F Stephan GmbH SA 112 0106V1 0 WEM GB 29 3 Components and functions pressure switch 0 ay a eis pressure switch pressure reducer a 300 mbar AIR AIR double flowmeter s gt gas inlet AIR O sound absorber vo y F Sr 4 ER i T piece 5 filter gasinletO 5 Fig 22 Overview gas supply 3 3 1 Oxygen supply The oxygen is conveyed to the double flowmeter through the gas input fitting If the input pr
29. hargeable battery Service flap The intake filter and oxygen sensor are located behind a service flap on the back of the ventilator To open the service flap loosen the knurled screws by turning counter clockwise The oxygen sensor is located on the left next to the intake filter It is screwed into the connection block It can be removed by turning counter clockwise The electrical connection between the oxygen sensor and device consists of a 2 pin AMP connector F Stephan GmbH SA 112 0106V1 0 WEM GB 11 2 Mechanical structure Fig 5 Service flap 1 Intake filter 3 Oxygen sensor 2 Service flap On the left and right side wall there are recessed handles for carrying the ALIA ventilator Some of the electronic controls and the power supply are accommodated inside the ventilator Fig 6 Electronic components 1 Power supply 3 Electronic controls 2 Cold device connector combination 12 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 2 Mechanical structure The entire pneumatic system is accommodated in the basic housing Only the double flowmeter is in the front housing The pneumatic system consists of the compressor the fresh gas reservoir and its control valves The pressure switches for detecting the intake pressure are firmly integrated in the pneumatic system 4 Fig 7 pneumatic components 1 compressor 2 fresh gas reservoir 3 gas inlets 4 service flap The patient p
30. he controller board also contains the alarm system for indicating alarm statuses The digital interfaces for triggering the actuators and reading the sensors via the sensor board are integrated on the controller board 20 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions Main task Fig 14 Controller board The main task of the controller board is to proceed with ventilation The procedure consists of registering the measured values of the sensor board and calculating the values for output If the monitor fails the limit values are still monitored and acoustic alarms are produced if necessary The processor is an M68HC11 with external Flash ROM and RAM The necessary voltage of 5V is generated on the board itself switching regulator Two acoustic alarms are generated piezo electric signal transducer loudspeaker and two visual alarms An RS232 converter with optocoupler for electrical isolation is used for communication with a PC The second RS232 converter without electrical isolation is not used on this board A further task performed by the controller board is to manage the GUI graphical user interface The signals of the capacitive sensor button on the front panel and of the incremental transducer IGR are read and processed by processor M68HC11 In addition the graphic output is generated on the LCD F Stephan GmbH SA 112 0106V1 0 WEM G
31. he measurable range Check sensor cable Replace temperature sensor Table 3 Troubleshooting table F Stephan GmbH SA 112 0106V1 0 WEM GB 69 STEPHAN 8 Annex Fig 48 ALIA complete modules 1 fresh gas reservoir 5 compressor 2 power supply 6 sensor and PDU board 3 valve block 7 rechargeable battery 4 patient part F Stephan GmbH SA 112 0106V1 0 WEM GB 71 8 Annex 3 5 ber gas inlet AIR pressure switch AIR Filter sound absorber compressor sensor board Calibration block SDXP redundant SDXP patient valve block PLX fiow sensor 195 260 106 Tpiece 1 neet Name Gescrptiany T artikel number STEPHAN 11277101 Nama Dato uct Anne ar 10 PS 092 GEL 103 550 100 103 550 100 Sg an aA h NW 12 throttel Bypass q mm 195 260 154 195 260 154 195 260 210 safety valve 70 mbar IWTYTY pressure switch O ana vopeudxe x NO en va NO pleteau Ho vs openly open Hy x1 Fat Gas Z2
32. lectric shock Disconnect from the power source before opening the housing The front housing is screwed to the frame with 15 countersunk screws M4x10 The 9 screws used on the side of the device are also fitted with rosettes to prevent damage to the plastic front housing when tightening the screws Fig 1 Opening the housing The front housing can now be hinged open to the front F Stephan GmbH SA 112 0106V1 0 WEM GB 9 2 Mechanical structure Fig 2 Hinging open the housing tube heating the temperature sensors and the pneumotachograph have Before hinging open the front housing ensure that the connectors for the been disconnected The plastic front housing is coated with an EMC varnish on the inside It contains the input periphery of the ALIA ventilator This input periphery consists of touch buttons the IGR push turn knob the LCD display the controller board the double flowmeter ON OFF switch on the front pane Fig 3 Front housing with input periphery 1 double flow meter 2 FiO and flow adjustment 10 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 2 Mechanical structure Basic housing The frame of the ALIA ventilator and its reinforcement bar fastening bracket and panels consist of 2 mm thick powder coated aluminium The bottom of the housing has a cut out for the rechargeable battery Fig 4 Basic housing 1 Reinforcement bar 2 Cut out for rechargeable battery 3 Rec
33. n electrochemical cell fuel cell This oxygen sensor generates a voltage depending on the prevailing oxygen concentration The voltage is then converted electronically into a corresponding signal To calibrate the oxygen sensor compressed air 21 O2 is blown against it via solenoid V6 During this procedure the display shows CAL in the window of the FiO value After completing calibration the valve switches the oxygen sensor back to the output of the double flowmeter 18 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions Mode Fra minj lE Trig L m Temp SIMV Fig 11 Display showing CAL oie Calibration blo rd a H ve E no PECETO 1 O H vs no open Ff 7 q H v _ _prossure swich AR A LH 8 195200210 PATIENT H pansa son me To Fig 12 Pneumatic function diagram F Stephan GmbH SA 112 0106V1 0 WEM GB 19 3 Components and functions 3 1 2 Controller board Fig 13 Controller board 1 PDU board 2 controller board Various functional groups are accommodated on the controller board The figure shows the functional groups for the user interface CPU and interfaces The user interface consists of the keyboard display LCD and LEDs as input and output units for regular handling of the system T
34. oir A o INSPIRATION O2 AIR EXPIRATION Fig 29 Gas flow in semi open mode The safety valve in the rear wall of the basic housing prevents any overpressure from accumulating in the bellows The safety valve opens at a pressure of 70 mbar Fig 30 Safety valve 1 safety valve F Stephan GmbH SA 112 0106V1 0 WEM GB 35 3 Components and functions The electrical connections for the expiration valve PEEP valve and the heating of the humidifier chamber are integrated in the valve block A mini ISO plug provides the electrical connection to the patient part 3 5 Patient part The patient part contains the pneumatic components of the patient circuit The plateau valve limits the maximum pressure and the PEEP valve adjusts the final expiration pressure The heating and the water bath condition the breathing gas Fig 31 Patient part 1 patient part 36 SA 112 0106V 1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions 3 5 1 PEEP valve The PEEP valve consists of a valve plate on an axis The magnetic core at the end of the axis is wound up by a magnetic coil The electric resistance of the coil is approx 120 Q Fig 32 PEEP valve 1 magnetic coil 3 valve disc 2 magnetic core During the inspiration phase the magnetic core is activated by the controller board The membrane at the magnetic core closes the expiration fitting The PEFP valv
35. or board generates voltages of 15V and 5V and the controller board generates 5V 3 1 1 Sensor board The sensor board acts as interface for triggering the actuators control of the fresh gas reservoir and the expiration valve and for registering the measured data pressure and differential pressure sensors AD converter An SPI bus system provides the link to the micro controller This simplifies linking the various components in terms of both hardware and software The following illustration shows the components on the sensor board Temp 1 0 Leistung Uovu OF fuspinge Abb 2 Sensor board 16 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions Main task The main task of the sensor board is to convert the analog signals Voltage signals input Rechargeable battery voltage DC_good signal On off signal Input voltage 12 V for heating and valves Inspired pressure Expired pressure Flow sensor differential pressure Oxygen sensor cell voltage Voltage signals Heating output Valves Batt_enable The power supply for the electronic components is generated by a DC DC converter on the sensor board generating 15V 5V and 15V The input signals for On Off DC_good input voltage and Batt_enable are sent to the SPI bus by a slide register The input signals for pressure flow O and battery voltage are sent to the SPI bus following amplification and conversion via
36. per limit Pmax to 40 cmH O Plateau 50 mbar Disconnect Y piece Low Pressure Disconnected alarm O AMBU bag Compress manually Audible and visible air flow out of mask L cone Release gt Self filling CL Close mask cone manually Bag compresses only slightly O Additions Table 2 Test list 6 2 Weekly Depending on the use of the ventilator the intake filter of the integrated compressor must be checked for soiling weekly and replaced at the latest after 6 months The intake filter is at the back of the device Open the service flap to remove and replace the intake filter Fig 43 Back of the ALIA service flap open 1 oxygen sensor 2 intake filter 54 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance 6 3 1 2 yearly To sustain perfect functioning of the ALIA ventilator maintenance must be carried out at 1 2 yearly intervals This also includes replacement of all wear parts 6 3 1 1 yearly maintenance basic unit O rings and seals In the basic ALIA device all O rings exposed to mechanical load must be replaced every 6 months These are the O rings at the connection fittings of the patient part the pneumotachograph and the seals of the connection tubes It is not compulsory to open the device Rechargeable battery The rechargeable battery used in the ALIA ventilator must be checked for sufficient capacity every 6 months It must be replaced
37. ral coloured tube fitting The continuously heated tube is 1100 mm long The electrical resistance of the tube heating is 26 Q 40 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions B y Fig 35 Tube system for adults At the patient s end of the inspiration tube the temperature sensor for controlling the tube temperature is inserted in the tube fitting The patient tube system can only be operated with temperature sensor because otherwise the opening for the sensor would prevent any build up of pressure The connectors for the heating are plugged into the corresponding sockets on the ventilator Heater T Sensor V Sensor OO 5 Fig 36 Heating connection To measure the inspired or expired flow a pneumotachograph type D make F STEPHAN GMBH must be used together with a patient tube system for adults F Stephan GmbH SA 112 0106V1 0 WEM GB 41 3 Components and functions 3 6 2 Patient tube system for children The patient tube system for adults consists of a Y piece and a heated 10 mm inspiration and expiration tube The colour of the tube fitting for the inspiration tube is red It must be connected to the red tube fitting on the patient part The neutral coloured expiration tube is connected to the neutral coloured tube fitting The tube is 1200 mm long 800 mm of which are heated The electrical resistance of the tube heating is 26 Q
38. rating water can cause short circuits in the sensor and possibly damage the heating control Caution Please comply with chapter 8 of the ALIA operating instructions A specially screened cable with a 5 pin LEMOSA plug connects the temperature sensor to the ventilator This plug also connects the temperature sensor of the breathing gas humidifier to the ventilator F Stephan GmbH SA 112 0106V1 0 WEM GB 43 3 Components and functions 3 6 4 Pneumotachograph type D The pneumotachograph type D measures the inspired and expired flow gt 25 l min and is used together with a patient tube system for adults Fig 39 PNT D 3 6 5 Pneumotachograph Typ C The pneumotachograph type C measures the inspired and expired flow gt 25 l min and is used together with a patient tube system for children Fig 40 PNT C 44 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 4 Serial interface 4 Serial interface The ALIA ventilator is equipped with a serial service and production interface The device can be calibrated or subjected to fault analysis To this end it must be possible to connect the ventilator to a PC with terminal program A NULL modem cable is used for this purpose For communication with the ventilator the PC interface must be configured as follows Baud rate 19200 Data bits 8 Parity none Stop bits 1 Flow control none After the ventilator has been switched on the interface
39. rgeable battery provides a backup power supply in the event of a mains power failure The Power Distribution Unit controls the changeover to the provided voltage source F Stephan GmbH SA 112 0106V1 0 WEM GB 25 3 Components and functions 3 2 1 Power supply unit The ALIA ventilator is equipped with a Power supply unit in accordance with DIN EN 60601 1 2 Fig 18 ALIA power supply unit 1 inverter 2 power supply unit Input voltage 100 240 V AC 2 A 50 60 Hz Fuse 2A Output voltage 15 V DC 185 W Fuse 16A The output voltage of 15V DC and the DC_good signal are conveyed directly to the Power Distribution Unit PDU 26 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions 3 2 2 Rechargeable battery The integrated rechargeable battery works parallel to the external power supply That means that the system changes over to battery operation without any interruptions in the event of a mains failure Fig 19 Rechargeable battery Battery type Weight Rated voltage Rated capacity Fuse Recharging time Operating time Connections Gel type lead battery 6 2 kg 12 V 17 Ah 10A 18h approx 1 h with heating approx 3 5 h without heating threaded hole M5 F Stephan GmbH SA 112 0106V1 0 WEM GB 27 3 Components and functions 3 2 3 Inverter The integrated clocked inverter is used only to supply power to the internal compressor
40. s guarantees operation even without the mains power supply F Stephan GmbH SA 112 0106V1 0 WEM GB 31 3 Components and functions 3 4 Operating pressure 0 3 bar Delivery volume 30 l min Rated voltage 230 V 50 Hz Power consumption 27 W Max switching on time continuous operation The compressor has a service life of 10 000 hours The intake bacteria filter is located behind the service flap of the ventilator The downstream silencer reduces the noise level to less than 45 dB A Fresh gas reservoir The housing of the fresh gas reservoir consists of transparent plastic The bellows in the inside absorbs the fresh gas during the expiration phase in the semi open system The tension springs in the bellows define the compliance of the system The springs consist of stainless steel Fig 25 Fresh gas reservoir 1 bellow 3 container 2 spring 32 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 3 Components and functions The fresh gas reservoir is only active in the semi open mode It is bypassed in the open mode The opening at the bottom of the plastic container conveys the fresh gas out of the unit in the case of damage to the bellows Filling and emptying the bellows is controlled by solenoids on the valve block depending on the set ventilation parameters 1 Fig 26 Valve block 1 valve block F Stephan GmbH SA 112 0106V1 0 WEM GB 33 3 Components and functions
41. sends the following initialization sequence Christina HyperTerminal f fe x Datei Bearbeiten Ansicht Anrufen bertragung verbunden 00 01 26 Autom Erkenn 19200 8 N 1 RF GROSS Ne e5 Fig 41 Initialization sequence During this phase the controller runs through the stipulated algorithms for the self test F Stephan GmbH SA 112 0106V1 0 WEM GB 45 Serial interface 4 1 Caution cf cpr0 cpp0 cpr5 cpp5 The test run finishes with the output done Now various actions can be carried out by entering certain commands There is no complete syntax check of the entered commands The user must enter the commands correctly Incorrect entries can cause damage to the device Inputs such as h or help produce the same results by entering the first letter h in this case output consists of the version number and the list of available commands Commands Input of cf ENTER starts manual offset calibration of the differential pressure sensor cf Start calibration FlowCal 1 PO2Cal 0 PPatCal 0 PRedCal 0 Input of cprO ENTER starts offset calibration of the redundant pressure sensor cpro Start calibration FlowCal 0 PO2Cal 0 PPatCal 0 PRedCal 30 Input of cpp0 ENTER starts offset calibration of the pressure sensor near the patient cppO Start calibration FlowCal 0 PO2Cal 0 PPatCal 30 PRedCal 0 Input of cpr5 ENTER starts 50 mbar calibration of the redund
42. settings O Pressure measurement PEEP Criterion Results Results PEEP Me Unit measuring OK digit nie Alia 0 gt 1 mbar O 2 1 3 mbar Ll 5 4 6 mbar LE 10 9 11 mbar Pmax Criterion Results Results Pmax RR Unit measuring _ OK digit nit Alia 15 14 16 mbar C 25 24 26 mbar L 35 34 36 mbar E 66 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance Criterion Results Results Pmax _ Unit measuring _ OK digit unit Alia 50 49 51 mbar O Max Max mbar E digit Tidal volume PNT C Criterion Results Results VT Unit measuring _ OK 20 nit Alia 50 40 60 ml LJ 100 80 120 ml PNTD Criterion Results Results VT Unit measuring _ OK 20 unit Alia 50 40 60 Iml O 150 120 180 ml 300 240 360 ml O 500 400 600 ml C 1000 800 ml ia 1200 1300 1040 ml O 1560 F Stephan GmbH SA 112 0106V1 0 WEM GB 67 STEPHAN 7 Troubleshooting 7 Troubleshooting Alarm text Cause Remedy O2 SENSOR FAIL Faulty calibration Measured sensor voltage outside the measurable range Calibrate sensor Check connection lead Sensor depleted CALIBRATION O Faulty calibration Calibrate sensor Replace sensor TEMP SENSOR Measured temperature close to x Chesiefemperatire censor patient is outside t
43. t visual condition Is the nameplate complete and legible Is the front panel in perfect condition Is the marking safety nameplate etc complete OOO Electrical safety test Test parameter Criterion Unit Result OK connector turned PE conductor resistance lt 0 3 Q C Substitute system leakage lt 1 0 mA m current System leakage current mains lt 0 1 mA C Function test Sensor calibration interface only if calibration was carried out Red sensor Offset Gain Pat sensor C Offset Gain Flow sensor E Offset 62 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance Power supply ON OFF marking on on off switch E Power on Alarm power supply failure 1x O Front panel LED Mains O Battery O Vehicle O Power off Alarm power supply failure E Reset after 1 min O supply No O supply connected Is O2 available YES Alarm O2 pressure low Apply O pressure of 0 9 bar increase slowly OOO Reset alarm O2 pressure low Connect O supply Is O2 available NO No alarm O2 pressure low Is O2 available YES No alarm O2 pressure low OOO F Stephan GmbH SA 112 0106V1 0 WEM GB 63 6 Checks and maintenance Performance and leak test Siemens lung PNT D AIR 25 l min SIMV Insp 1s Exp 3s Semi open PEEP 3 mbar PLATEAU 50 mbar ad A VT gt 650 ml ml Alarm limi
44. this end set the option SAVE SETs to YES in the ALIA menu The new calibration value is only accepted after leaving the OPTION menu Replace the intake filter of the integrated compressor every six months Check calibration of the pressure sensors every six months Re calibration is only necessary if the adjusted pressure values deviate by more than 3 from the actually achieved pressure values Unscrew the left recessed handle to give access to the calibration block without opening the front housing 56 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance 1 Offset calibration The silicone tube fitted to the 4 mm fitting is connected directly to the two pressure sensors for respiration pressure This tube can be used to apply the calibration pressures Fig 45 Tube fitting for pressure calibration 1 handle 2 fitting 4 mm Use a PC with terminal program for calibration Calibration consists of two steps 1 Offset calibration calibration the zero point 2 Calibration at 50 mbar stipulating the gain P v To proceed with offset or zero point calibration apply 0 mbar or atmospheric pressure to both pressure sensors To do so remove the silicone tube from the 4 mm fitting of the calibration block Input of cprO ENTER starts offset calibration of the redundant pressure sensor cpro Start calibration FlowCal 0 PO2Cal 0 PPatCal 0 PRedCal 30 F Stephan GmbH SA 11
45. tic iota alee 61 Troubleshootin8 2 u en avian na 69 Va TS Mira fash ee ee A Ate E Er EHE 71 List of1llustrati ns n0u220 2 ae 73 List OF CABLES she 5222 2 0 Sh acevo seis cs gibivtes E E TE EAS 75 Place for your Notes u aan sales nahen 77 SA 112 0106V 1 0 WEM GB F Stephan GmbH STEPHAN 1 General information 1 General information 1 1 Device name and manufacturer Device name ALIA Manufacturer F STEPHAN GMBH MEDIZINTECHNIK KIRCHSTRASSE 19 56412 GACKENBACH a 49 6439 9125 0 49 6439 9125 111 info stephan gmbh com www stephan gmbh com 1 2 Maintenance and repairs A Caution In the interests of device safety maintenance of the ALIA ventilator should be carried out every six months Safety checks must be carried out every six months Maintenance must be carried out by the authorized customer service of F STEPHAN GMBH Only spare parts from F STEPHAN GMBH must be used during maintenance Clean and disinfect the device respectively device parts every time before maintenance even when returning the device for repairs F Stephan GmbH SA 112 0106V1 0 WEM GB 5 1 General information 1 3 Abbreviations and definitions Abbreviation Definition Meaning h Percentage hours Service life of the oxygen sensor in hours depending on the oxygen concentration AIR Medical compressed
46. ts Insp 2s Exp 31s sy Alarm CMV SIMV A CV C BKUP ASB N CPAP PEAK PRESS a STENOSIS LOW PRESS DISCON LOW MIN VOLUME High MIN VOLUME VT EXP LOW BEE Han O nl E BEE an O g E BE Han O WES E el an O eg E it itt tt APNOE LED no alarm HP MP Alarm sound HP C Alarm sound MP C ESEE 64 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN 6 Checks and maintenance Backup time AIR 18 l min Respiration 2s 4s 8s 16s 60s form C BKUP O O CI L LI ASB L L L L LI Trigger Curve V t L AIR 18 l min E Open L Exp 32s F Trigger CMV SIMV A CV_ C BKUP ASB 2 l min C O O O O 6 l min O O C L LI 1 l min no own L C C O O trigger Heating Heating on L Remove temperature sensors T SENSOR FAIL HUM O T SENSOR FAIL PAT B H1 0 H2 0 L Tube heating Tube heating HEATING H2FAIL Patient part HEATINGHIFAIL FiO Voltage E mV FiO2 lt 18 L LOW FiO2 C HIGH FiO2 L CALIBRATION 02 C F Stephan GmbH SA 112 0106V1 0 WEM GB 65 6 Checks and maintenance Remove O cell O2 SENSOR FAIL Criterion Results Results FiO Unit measuring _ OK 3 unit Alia 21 20 22 O 40 38 42 E 60 58 62 C 80 77 83 C 100 gt 97 E Save settings Save
47. way presumes an exact knowledge and compliance with the operating instructions The device is only intended for the described purpose Subject to technical alterations as of Januar 2006 version V1 0 SA 112 0106V1 0 WEM GB F Stephan GmbH STEPHAN Contents Contents CONE ES ne eee EEEE E TEE E EE E AEE 3 1 General information unseessseessssnnsnnnnenneensnnnnnnnnnnnnnnnnnennnnnnnnn 5 1 1 Device name and manufacturer cc eeeceeeceeesteceeneeeeeneeeees 5 1 2 Maintenance and repairs 0 0 eee eeeceseeeneeenceeeecneeceaeenaeeeseeees 5 1 3 Abbreviations and definitions uusennennsensnnennnnn 6 1 4 Safety instructions 0 0 0 ceecescesscesecseeceeeeeecetecetsoeeseeesseetteeeees 7 2 Mechanical Steucture senner oinean i 9 3 Components and functions euneessesssessssnsnensennennnennnnnnnne nennen 15 3 1 Electronic Controls iesenii 16 3 1 1 Sensor board 16 3 1 2 Controller board occ cee sn ennesnnennnnnnnnnnnnennen 20 3 1 3 Power Distribution Unit PDU ene 22 3 2 Power supply einen 25 3 2 1 Power supply Unite eee cess ceeeceeeeeeeeeeeeeeneeeaee 26 3 2 2 Rechargeable battery eee eeeeeseeeeeeeeeeeeeeeeeee 27 3 2 5 Myertersa s eesiiarasniekinsikiinnansn 28 3 3 GaS SUpply tap cesceccsetessthesecsinbidese i EN aN E EE a 29 3 3 1 Oxygen supply unnersersneesnnesnnesnnesnnesnnennnnnnnnennn nn 30 3 3 2 Compressed air supply 0 ee

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