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TECHNICAL AND MAINTENANCE MANUAL

Graph VENTILATOR

Review : 04

Date: 09/05/06

14

to maintain the adjusted value of positive pressure. It can be programmed with or
without pressure support.
During the inspiratory phase, there is a decrease of the airway pressure proportional
to the demand. During the expiratory phase the airway pressure tend to increase and
becomes higher than the regulated base pressure.

Specific Controls for the CPAP mode:

PEEP/CPAP:

It regulates the airway level of positive pressure.

Combined modes

Group of modes in which the patient has spontaneous ventilation with mandatory inspirations
inserted in synchronized form. Also it comprises modes with spontaneous ventilation and
minimum objectives of tidal volume or minute volume.
The combined modes that may be programmed are:

§

SIMV (VCV) + PSV

Synchronized intermittent ventilation with volume-controlled mandatory inspiration
and spontaneous inspirations with pressure support.

§

SIMV (PCV) + PSV

Synchronized intermittent ventilation with pressure-controlled mandatory inspiration
and spontaneous inspirations with pressure support.

§

MMV + PSV

Mandatory minute ventilation with pressure support. The ventilator has an automatic
control of the pressure support level in order to guarantee minimum minute ventilation
during an eventual decrease of the spontaneous breathing.

§

PSV + VT Assured

Pressure support ventilation with assured tidal volume in case of an eventual
reduction of the breathing effort. In this mode the objective is to guarantee a minimum
tidal volume from a pressure regulated inspiration.

§

Airway Pressure Release Ventilation

(APRV)

It is a mode which ventilates applying periodic switching between two adjustable
levels (P-high and P-lower) of continuous positive airway pressure (CPAP) during
preset periods of time.

Synchronized intermittent ventilation with volume-controlled mandatory
inspiration and spontaneous inspirations with pressure support.

(SIMV [VCV] +

PSV)

Definition and Operative Proceeding:

This mode is a combination of spontaneous

breathing with mechanical ventilation placed synchronically according the patient's
demand. In this synchronized ventilation form, the patient receives during the
mandatory breaths (forced) a preset volume sent with a preset frequency and
inspiratory time. During the spontaneous breathings the patient ventilates with
pressure support.
As in the Volume (VCV) mode, the flow waveform of the mandatory inspiration can be
changed in the course of the ventilation.

Specific Controls for the SIMV [VCV] + PSV mode:

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Содержание NEUMOVENT

Страница 1: ...Graph ventilator Technical manual review 04 MAY 2006 ...

Страница 2: ...ONTROL PANEL SAFETY MECHANISMS CHAPTER II MAINTENANCE INSTRUCTIONS CHAPTER III TROUBLE SHOOTING CHAPTER IV SENSOR VERIFICATION CHAPTER V EQUIPMENT OPENING AND CLOSURE CHAPTER VI DETAIL OF ASSEMBLIES CHAPTER VII ELECTRONIC BOARDS DETAIL CHAPTER VIII CALIBRATION CHAPTER IX FINAL CONTROL ...

Страница 3: ...CHAPTER I GENERAL AND OPERATION FEATURES ...

Страница 4: ... if maintenance schedule is followed WARNING Do not use the ventilator in the presence of flammable anesthetics An explosion or fire may result Description The NEUMOVENT Graph Ventilator comprises a system of related elements and designated to alter transmit and apply energy directly and in a predetermined mode replacing or contributing with the patient s muscular capacity in the execution of the ...

Страница 5: ... control the ventilation The NEUMOVENT Graph Ventilator is able to control the pressure waveforms like the flow waveforms This control also can be doing in a single inspiration 2 Control Circuit The NEUMOVENT Graph Ventilator uses an electronic circuit to perform control and monitor the ventilation The critical components of this system include a microprocessor pressure sensors and servo proportio...

Страница 6: ...nce change and simultaneously the flow are measured directly pneumotachograph then the ventilator is classified as a flow controller The Volume mode of the NEUMOVENT Graph Ventilator uses the flow as the control variable The Pressure Support mode with Volume Assured is able to change in oneself inspiratory phase from pressure controller to flow controller 4 Breathing phases variables In each one o...

Страница 7: ...ressure and the inspiratory flow signals and it controls the orders for the adjusted variables and the output signals The airway pressure sensor is connected at the beginning of the patient s circuit This sensor also manages the feedback signals that are used for pressure triggering alarms levels and to control the pressure waves in the pressure controlled pressure support and mandatory minute ven...

Страница 8: ...y of these valves is coordinated by the microprocessor synchronizing its actions The system of valves has also four solenoids valves that act synchronously every 15 minutes to make a system zeroing atmospheric pressure of all sensors At the same time another solenoid valve allows to pass a calibrated compressed air flow to purge the lines of the expiratory pneumotachograph to avoid the entrance of...

Страница 9: ...tion can be automatic for action of the respiratory frequency control or for the patient s initial inspiratory effort In the first case the ventilation will be of controlled type and in second assisted type Pressure breathing curves where is pointed out the beginning and the end of the inspiratory phase For selection of assist control ventilation the Volume VCV or Pressure PCV modes are used The s...

Страница 10: ...nsion of the ventilator inspiratory flow depends on the time selected in the VCV and PCV modes In the PSV mode depends on the fall of the inspired flow until a derivative percentage of the initial flow of that same inspiration is reached The regulation of this Expiratory Sensitivity can be made from 5 up to 40 of the initial flow The default percentage is 25 Flow curve during Pressure Support PSV ...

Страница 11: ...ory phase can be modifying adding Positive Pressure at the End of Expiration PEEP The NEUMOVENT Graph Ventilator produces this positive pressure by means of a digital regulation of the closing force of the expiratory valve diaphragm Pressure curves during ventilation with 5 cm H2O of PEEP ...

Страница 12: ...TECHNICAL AND MAINTENANCE MANUAL Graph VENTILATOR Review 04 Date 09 05 06 9 ...

Страница 13: ...TECHNICAL AND MAINTENANCE MANUAL Graph VENTILATOR Review 04 Date 09 05 06 10 ...

Страница 14: ...agree with the descriptions of the classic world literature which is mentioned partly in Bibliography The division in three parts has for object to separate the groups according to the predominant variable volume pressure or combined modes The combined modes include modes with participation of the two modalities and other where objectives of tidal volume or minute volume that should be get Followi...

Страница 15: ... patient s inspiratory effort is reduced or an apnea episode is present then the inspiration will be triggered by time set machine frequency On the other hand the patient s inspiratory effort could be enough to trigger the ventilator and begin the inspiratory phase with he she own breathing frequency and according with the set trigger sensitivity Specific Controls for the VCV mode VT Regulation of...

Страница 16: ... PCV mode PCV It regulates the pressure level Rise Time Two keys to increase or to lower the pressurization time Pressure Support Definition and Operative Proceeding Pressure support ventilation is a spontaneous ventilation mode where the patient begins and ends the inspiratory phase this means that he keeps control of the frequency the duration of the inspiration and of the tidal volume As in all...

Страница 17: ...e ventilator has an automatic control of the pressure support level in order to guarantee minimum minute ventilation during an eventual decrease of the spontaneous breathing PSV VT Assured Pressure support ventilation with assured tidal volume in case of an eventual reduction of the breathing effort In this mode the objective is to guarantee a minimum tidal volume from a pressure regulated inspira...

Страница 18: ...Pressure Support MMV PSV Definition and Operative Proceeding It is a spontaneous ventilatory mode where the patient breathes with pressure support at a preset initial value and there is regulation of a minimum minute volume During every minute if the volume is not reached the pressure support level increases progressively until that volume is attained Specific Controls for the SIMV VCV PSV mode Mi...

Страница 19: ...d The values for default are 5 and 1 5 seconds respectively In the screen the values appear one above the other one in the place that corresponds at the Inspiratory Time To change the time values the Ti key should be pressed one or twice enabling the number of the high or low time respectively With the key of Selection sector it can be increase or decrease the value accepting with Enter PSV Rise T...

Страница 20: ...ivity Ptr Regulation of the inspiratory pressure sensitivity FIO2 Regulation of the fraction of inspired oxygen in the gas mixture PEEP CPAP To regulate a continuous positive pressure in the breathing circuit Manual inspiration To start an inspiration Stand by To suspend the operation of the ventilator without suppressing the set data Nebulization To begin a period of flow to the nebulizer Alarm l...

Страница 21: ...red the one with highest priority Some alarms have programmable values high and or low limits of pressures volumes rate other are automatically activated after an elapsed time While the device remains functioning all the alarm events are recorded in memory and they appear in the screen of Activated Alarms with date and hour in a maximum sequence of 50 lines The signals of alarm are grouped in thre...

Страница 22: ... activated when the current key of the device is in the ON position and the following events happen 1 Power loss of the main line 2 Unplugged of connection cable from mains and 3 Burned entrance fuse Ventilator action Instantaneous commutation to internal battery source of energy The indicative LED of the panel lights Signal type Audible light and warn on the screen Silence It cannot be silenced S...

Страница 23: ...of Medium Priority are the following ones Low inspiratory pressure Adjustable by the user Definition Minimum allowed airway pressure limit Selection In all the modes Ventilator action It is activated when the ventilator inspiratory phase pressure stays more than 10 seconds below the set limit If after 30 seconds no action is taken by the operator the alarm status is changed to as a High Priority S...

Страница 24: ...g to the patient category ADL 0 200 L PED 0 100 L NEO 0 005 L Value change With the Alarm Settings key Screen message The audible signal of the alarm is suspended if the pressure returns to a superior value to the limit The light signal does not disappear until the Reset key is pressed O2 concentration high Adjustable by the user Definition Maximum allowed limit of the oxygen concentration supply ...

Страница 25: ...the ventilator should be replaced Low Priority Signals warn They are activated with a time delay in some the time is adjustable for the operator and in other the time is fixed The alarms that are activated with Low Priority Signals are the following ones f max Adjustable by the user Definition It regulates the spontaneous maximum breathing frequency limit It is also activated if the breathing freq...

Страница 26: ...le signal with message in the screen after 10 seconds if the alteration persists It generally indicates loss for the breathing circuit or disconnection If after one minute no action is taken by the operator the alarm status is changed to as a Medium Priority Signal Signal type Audible light and warn in the screen Silence It can be silenced temporarily Set limits From 1 to 50 L min Value change Wit...

Страница 27: ...antiasphyxia Located at the beginning of the breathing circuit It is opened when there is a power failure or an inoperative state thus enabling the aspiration of ambient air Operation gases exhaust The operation gases that normally escape from some of the internal mechanisms are directed to a common collector from where they are expelled to the outside Low supply pressure of the compressed air The...

Страница 28: ... time the equipment is turned on the expiratory valve is electronically calibrated to regulate the positive end expiratory pressure There is also a calibration of the flows that go through the expiratory pneumotachograph Parameter limits Every parameter involved in the ventilation has minimum and maximum limits that cannot be exceeded Values acceptance All selected or changed values need to be acc...

Страница 29: ...L Classification of mechanical ventilators Resp Care 1992 37 1009 10 Downs JB Klein EF Desaultels E Intermitent mandatory ventilation a new approach to weaning patient from mechanical ventilation Chest 1973 64 331 11 Goldsmith J P Karotkin E H Assisted ventilation of the neonate Philadelphia W B Sauders 1996 12 Hewlett AM Platt AS Terry VC Mandatory minute volume Anaesthesia 1977 32 163 13 MacInty...

Страница 30: ...CHAPTER II MAINTENANCE INSTRUCTIONS ...

Страница 31: ...nu see chapter 4 b Press Silence key and check all leds except Technical failure battery and charging leds 6 Check up the sensors following chapter 4 7 Check up for software updates 8 Removal of back cover and clean up the fan and area 9 Inspection and clean up porous metal filters and water trap 10 Visual inspection of internal tubing Look for water and oil traces 16 Replacement of sealing joint ...

Страница 32: ...CHAPTER III TROUBLE SHOOTING ...

Страница 33: ...connection Check voltage in the CPU connectors Low flow 1 Defective pressure regulators 2 Occlusion of pneumatic lines or internal pneumatic leaks 3 Leaks in the patient s circuit 4 Water in the Pneumotachograph system 5 Altered flow sensors 1 Check and recalibrate pressure of air and oxygen regulators at 2 8 kg cm2 Check and recalibrate the regulator pressure at 10 PCI 2 Check for loose or kinked...

Страница 34: ...ccording to the patient s resistance 4 Complete calibration of the device 5 Check complete calibration of the device Low Inspiratory Pressure 1 Disconnection of the upper hose of the expiratory pneumotachograph 2 Internal disconnection of the flow sensor 3 Damaged flow sensor 1 Check connections of the expiratory pneumotachograph 2 Check connections of the internal pneumatic circuit 3 Check the fl...

Страница 35: ...analyzer 1 Recalibrate proportional valves and then recalibrate the measurement parameters of the device 2 Check the calibration of the pressure regulators Then recalibrate the device completely 3 Calibrate oxygen analyzer Blower failure 1 Back fan disconnected or blocked 2 Damaged back fan 1 Check fan and check connections 2 Replace fan by one with the same features Low battery charge 1 Low batte...

Страница 36: ... connection of the key board to the CPU and clean contacts 3 Autocycling of device 1 Incorrect initial calibration 2 Leak in the patient circuit 3 Extremely high electromagnetic interference EMI 4 Inadequate sensitivity 5 1 Redo initial calibration 2 Check the patient circuit 3 Check if there is a high emission electromagnetic equipment nearby that may be interfering with the device 4 Set an adequ...

Страница 37: ...CHAPTER IV SENSOR VERIFICATION ...

Страница 38: ... the air and oxygen proportional valves Opening and Closure of Proportional Valves Select the window Analog inputs in the Calibration menu and then enter into the menu by pressing the Enter key Analog Inputs Screen Air Flow 0091 Serial No 0333 31 008 Oxy Flow 0080 REV G1 2N 030410 1N Right press 0390 Calibrated 10 04 03 By HA Left Press 0441 Exp Flow 0069 Oxy Source 0930 Air Source Power Source 09...

Страница 39: ... while the opening value is lower than 900 units approximately When the opening exceeds this value the valve begins to be opened progressively air begins to flow through the inspiratory outlet until the maximum value is reached greater than 160 L min i e when the opening value reaches 4095 units The valve can then be closed using the Reset Sensors Check In the upper left corner of the window there...

Страница 40: ...alue maximum flow Check the maximum value reached in the air flow reading it is usually greater than 800 units 3 Close valves with Reset Key Oxygen Flow Sensor 1 Disconnect the supply gases from the device Check if the reading of the Oxi Flow Line 2 is a stable value in correspondence with that indicated in Table 1 2 Connect the supply gases to the device Select the OxyVal Open it progressively wi...

Страница 41: ...inger exerting pressure in port P1 of the device and check if the reading increases With a pressure of 6 cmH2O in this port the expiratory flow reading will be of 900 units approximately 4 Close valves with Reset Key Power Source 1 Press Neb key to put the device in battery mode 2 Press Stby key to put the battery under charge 3 Check if the reading off the Power Source is not under 750 4 Close va...

Страница 42: ... 1 Connect the pressure analyzer in the inspiratory outlet Fig 2 2 Select PeepVal 2 Open it progressively with selection 3 Check the maximum value of the pressure must be between 40 and 70 cmH2O 4 Close valves with Reset key Inspiratory valve 1 Connect the pressure analyzer in the inspiratory outlet Fig 2 2 Open it with fiO2 key 3 Check the maximum value of the pressure must be between 70 and 130 ...

Страница 43: ... 1 Press the Reset key At that moment the Calibration Menu is displayed on the screen 2 Choose the option Air Val with the selection keys 3 Put target value in 5 L m and press the fiO2 key 4 The valve must be open 5 Press the Reset key to finish and press one more time to go back to the calibration menu OxyVal Idem AirVal ...

Страница 44: ...CHAPTER V EQUIPMENT OPENING AND CLOSURE ...

Страница 45: ...er Open the ventilator by removing the eight screws located in the positions indicated in the figure Position of the device for the disconnection of the cables Lay the device down with the face downwards and place it on foam rubber Lay the back cover down as indicated in the figure and disconnect the cables Adjustment screw and flange A C cable Device Foam Rubber Back Cover ...

Страница 46: ...vent Graph Ventilator Operation Description 10 Disconnect the following cables Con 6 battery cable of the Ancillary Board Con 12 speaker cable of the CPU Board Con 5 fan cable of the Ancillary Board Con 8 RS 232 cable of the CPU Board Battery Cables Speaker Cables Fan 1 Battery Fan Cable Speaker RS 232 Cable ...

Страница 47: ...pen and Close the Neumovent Graph Ventilator Operation Description 20 Separation Back Cabinet Front Cabinet Remove the screws indicated with arrows in Fig 2 A B Disconnect the cables as indicated under operation 30 Front View Rear View Fig 2 A Fig 2 B Fig 2 C Front Cabinet Rear Cabinet ...

Страница 48: ...ion 30 Separation Front Cabinet Back Cabinet electrical part To Con 7 of Ancil Board To power source Ground Cables PNEUMATIC BOX CPU BOARD Con 14 ANCIL BOARD Con 3 Con 7 Con 6 Con 5 ON OFF Cables POWER SOUCE Proportional Valves Cables AC Cable Front Gabinet ON OFF Cables Proportional Valves Cables AC Cable Back Gabinet To Con14 of CPU Board Fig 3 A ...

Страница 49: ...raph Ventilator Operation Description 40 Separation Front Cabinet Back Cabinet pneumatic part o2 air nebulizer entrada salida P2 P1 Neumo inspiratory Espiratory V 0 7 Kg cm2 F scape Fig 4 A Pneumatic Box Nebulizer P1 P2 Espiratory V aire o2 Front Cabinet 10PSI O2 AIR Gas Inlet Back Gabinet O2 AIR Antisofocation Val ...

Страница 50: ...MAINTENANCE MANUAL Graph VENTILATOR Review 04 Date 09 05 06 44 How to Open and Close the Neumovent Graph Ventilator Operation Description 40 Cabinets Separated Fig 4 B Front Cabinet Rear Cabinet Cabinet sealing joint ...

Страница 51: ...he Neumovent Graph Ventilator Operation Description 50 Separation Pneumatic Box Front Cabinet pneumatic part Disconnect the tubes indicated in Fig 5 A o2 air nebulizer inlet outlet P2 P1 Neumo Inspiratory Expiratory V 10 psi Reg G Exh Fig 5 A Outlet Manifold Pneumatic Box Nebulizer P1 P2 Expiratory V ...

Страница 52: ...ph VENTILATOR Review 04 Date 09 05 06 46 How to Open and Close the Neumovent Graph Ventilator Operation Description 50 Separation Outlet Manifold Box Front Cabinet Remove the screws indicated in Fig 5 B Pneumatic Box Front Gabinet Fig 5 B ...

Страница 53: ...ovent Graph Ventilator Operation Description 50 Separation Outlet Manifold Box Front Cabinet Disconnect tubes 1 2 3 and 4 and remove the outlet manifold Fig 5 C 1 2 o2 air nebulizer entrada salida P2 P1 Neumo inspiratory V Espiratory Reg 10 psi F scane 1 2 3 3 4 4 Outlet Manifold Pneumatic Box Front Cabinet ...

Страница 54: ...n Pneumatic Box Front Cabinet electrical part 1 Disconect cables J1 J2 y S N 2 Disconect power cable ancillary board Pneumatic Box 3 Disconnect flat ribbon cables CON 4 and CON 10 box of the CPU board Fig 6 A CON 14 CON 12 CON 8 CON 9 CON 7 CON 6 CON 5 CON 10 CON 1 CON 2 CON 4 CON 4 J1 J2 CPUBoard S N Ancil Board Front Gabinet CoaxialCables Pneumatic Box Power source ...

Страница 55: ...d 3 Remove the 4 screws indicated 4 Then move the boards in the direction indicated by the arrows so as to remove them CON 14 CON 12 CON 8 CON 9 CON 7 CON 6 CON 5 CON 1 CON 2 CON 4 J1 J2 CPU Board S N Ancil Board Ffront Gabinet CON 3 CON 5 Move the boards In this direction Position 2 Side shield Positiion 1 Box Ground cable Power Source From Con 3 cable of Ancil board 1 2 To J2 in power source Con...

Страница 56: ...VENTILATOR Review 04 Date 09 05 06 50 How to Open and Close the Neumovent Graph Ventilator Operation Description 80 Removal of Shield 1 Remove the 5 screws indicated in Fig 8 A 2 Remove the shield Fig 8 B Fig 8 B Fig 8 A Shield Front Cabinet ...

Страница 57: ...ntilator Operation Designation 90 Removal of Keyboard Board 1 Disconnect the cables indicated in Fig 9 A 2 Remove the Keyboard Board by removing the 20 screws that attach it to the panel Source Board Inverter Board Cables Inverter Board DisplayCables Fig 9 A Fig 9 B Nut Filler Screw Keyboard board Panel Nut do not remove ...

Страница 58: ...of Shield Front Cabinet 1 Remove the washer screws and foam filler 2 Do not remove the hexagonal fillers since they do not hold the panel 3 Remove the nuts which hold the flanges and finally remove the flanges and white head screws The panel can be now removed Proceed with extreme care since it is attached to the cabinet with silicone sealer Flange Flange Fig 10 A ...

Страница 59: ...entilator Operation Description 110 Removal of the gas control set 1 Disconnect cables 1 and 2 from the connector indicated in Fig 11 A 2 Remove the screws indicated in Fig 11 A 1 2 B Gas Control set A Screws Conector O2 AIR Back Gabinet screws Proportional Valves Air and Oxigen Regulator Security Valve Pneumotacograf o ...

Страница 60: ...CHAPTER VI DETAIL OF ASSEMBLIES ...

Страница 61: ...9 05 06 54 ASSEMBLY DETAILS Code 1782 A1V Name Oxygen inlet No CODE DESCRIPTION 1 1782 M1V IMP GAS INLET BODY WITH 6 HOLES 2 1781 M1V IMP GAS INLET BODY 3 319 M2V 9 16 CONNECTOR 4 206 C1V POROUS METAL FILTER 5 207 C0V 2120 O RING 6 1199 M1T M4x0 7x8 SCREW 6 1 5 4 5 2 ...

Страница 62: ... 09 05 06 55 ASSEMBLY DETAILS Code 1781 A1V Name Air inlet No CODE DESCRIPTION 1 1782 M1V IMP GAS INLET BODY WITH 6 HOLES 2 1781 M1V IMP GAS INLET BODY 3 659 M2V 3 4 CONNECTOR 4 206 C1V POROUS METAL FILTER 5 207 C0V 2120 O RING 6 1199 M1T M4x0 7x8 SCREW 1 5 4 2 3 6 ...

Страница 63: ...Review 04 Date 09 05 06 56 ASSEMBLY DETAILS Code 2200 A1V Name Expiratory valve No CODE DESCRIPTION 1 2657 A1V COMPLETE EXPIRATORY VALVE COVER 2 1111 G0V PEEP VALVE DIAPHRAGM 3 2658 A1V COMPLETE EXPIRATORY VALVE BODY 4 M 3x6x120 mm CRYSTAL TUBE 1 2 3 4 ...

Страница 64: ...TECHNICAL AND MAINTENANCE MANUAL Graph VENTILATOR Review 04 Date 09 05 06 57 ASSEMBLY DETAILS Code 0554 A1V Name 2 8Kg cm 2 and 0 7 Kg cm 2 Regulator s 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Страница 65: ...ADJUSTING SCREW 2 0253 C0U M 4x0 7 HEXAGONAL NUT 3 0560 C0A WASHER 4 0491 M1V REGULATOR COVER 5 1326 M1 R ADJUSTMENT SPRING 6 0511 G0V REGULATOR DIAPHRAGM 7 1141 M1T M 4x0 7x7 ROUND HEAD SCREW 8 0477 M1V REGULATOR 1st STAGE SEAT 9 0217 C0O 2020 O RING 10 0475 M2V CHOKE 11 0484 M1R CELL SPRING AND REGULATOR 12 0562 C0T M4x0 7x35 ALLEN SCREW 13 0490 M2V REGULATOR BODY 14 0476 M1V PIN ...

Страница 66: ...MANUAL Graph VENTILATOR Review 04 Date 09 05 06 59 ASSEMBLY DETAILS Code 2460 A1V Name Line nonreturn valve No CODE DESCRIPTION 1 2138 M1V BODY 2 2305 G1V CHOKE 3 2182 M1R SPRING 4 211 C0V 2009 O RING 5 2137 M1V COVER 1 2 3 4 5 ...

Страница 67: ...NTILATOR Review 04 Date 09 05 06 60 ASSEMBLY DETAILS Code 2294 A1V Name Pneumotacograph N CÓDIGO DESIGNACIÓN 1 2781 M1V Left cover 2 2453 A1V Mesh holder 3 2772 M1V Pneumotacograph body 4 2773 A1V Right cover 5 2493 A1V Safety valve 2 1 3 4 5 ...

Страница 68: ...AINTENANCE MANUAL Graph VENTILATOR Review 04 Date 09 05 06 61 ASSEMBLY DETAILS Code 2545 A1V Name Complete NV Graph proportional valve No CODE DESCRIPTION 1 2547 A1V SOLENOID SET 2 2548 A1V MAIN PROPORTIONAL VALVE 1 2 ...

Страница 69: ...eview 04 Date 09 05 06 62 ASSEMBLY DETAILS Code 2493 A1V Name Safety valve No CODE DESCRIPTION 1 2488 M1 V SAFETY VALVE PRESS 2 2486 M1 V SAFETY VALVE BODY 3 2489 M1 V SAFETY VALVE SPRING 4 2487 M1 V SAFETY VALVE CHOKE 5 0515 C0O O ring 2 013 5 4 3 2 1 ...

Страница 70: ...CHAPTER VII ELECTRONIC BOARDS DETAIL ...

Страница 71: ...TENANCE MANUAL Graph VENTILATOR Review 04 Date 09 05 06 63 ELECTRONICS DETAILS Code 2410 A1V Designation CPU Board Without components Q 14 35 put it in the reverse position Optional Con3 flat cable 20 conductors of 70mm ...

Страница 72: ...a paso 2 5 mm radial C 1 4 100 103 106 107 10 8 109 36 0 1µf x 50V Cap montaje superficial Encap 1206 C 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 22 23 24 25 26 27 28 37 38 41 43 44 45 46 47 50 51 52 54 56 85 6 0 1µf x 50V Capacitor SCP 5 mm radial Siemens C 2 3 13 21 101 102 14 1nf x 50V Cap montaje superficial Encap 1206 C 36 39 86 87 88 89 90 9 1 92 93 94 95 96 97 2 10nf x 50V Cap montaje superfi...

Страница 73: ...12 2 33KW 1 8W Resistencia 1 metalfilm R 5 11 1 39KW 1 8W Resistencia 1 metalfilm R 112 2 56KW 1 1 8W Resistencia 1 metalfilm R 9 1 1 470W 1 8W Resistencia carbón R 86 1 180W 1 8W Resistencia carbón R 119 16 560W 1 8W Resistencia carbón R 50 51 52 53 54 56 57 58 60 65 67 69 74 77 78 80 1 1KW 1 8W Resistencia carbón R 73 2 2 2KW 1 8W Resistencia carbón R 36 46 11 4 7KW 1 8W Resistencia carbón R 33 ...

Страница 74: ... MAX1202BCAP ConversorA D8 conversor U 11 1 EPM7128SLC84 15 Lógicaprogramable PLCC84 U 12 1 MAX525BCAP ConversorD A4 conversor U 15 1 74HC154D Lógica CMOS montaje superficial U 16 1 ADM232LJR Conversor RS232 a lógica montaje U 17 2 ULN2003A Buffer montaje superficial U 18 19 1 74HC541D Lógica CMOS montaje superficial U 20 1 74HC574D Lógica CMOS montaje superficial U 21 1 10MHz Cristal controlador ...

Страница 75: ...TECHNICAL AND MAINTENANCE MANUAL Graph VENTILATOR Review 04 Date 09 05 06 67 ELECTRONICS DETAILS Code 2109 A1 V Designation Ancillary Board ...

Страница 76: ...sistencia carbón R17 R18 R20 R30 R33 R36 R40 R66 2 Resistencia carbón R23 R32 1 Resistencia carbón R25 1 Resistencia metalfilm R29 2 Resistencia cerámica R34 R35 1 Resistencia carbón R39 3 Resistencia 1 metalfilm R57 R58 R59 2 Resistencia 1 metalfilm R61 R69 2 Resistencia carbón R62 R63 1 Resistencia carbón R64 1 Regulador 8V 1Amp U1 1 Switching regulador U2 1 Regulador U3 1 Reg positivo ajustable...

Страница 77: ... MANUAL Graph VENTILATOR Review 04 Date 09 05 06 69 ELECTRONICS DETAILS Code 1799 E2V rev7 Designation Sensor Board electric part Designation Sensor Bard pneumatic part TECME S A P N 1799E2V Rev 6 Differentials sensors pressure ...

Страница 78: ...CHAPTER VIII CALIBRATION ...

Страница 79: ...nd filed The air used must be free of oil humidity and particles larger than 0 3 m Procedure for Initial Calibration and Setup Neumovent Graph Ventilator Operación Descripción 10 Access to the Calibration and Setup Menu When the device is off press the Reset key and turn it on while keeping the key pressed The next message will be displayed on the screen Pasword 1 If the changes to be made are to ...

Страница 80: ...asword PRESS ANY KEY You will get to MENU CALIBRATION by pressing any key 20 Calibration and Setup Menu The calibration and setup menu displays a list in the following order Ajuste del reloj Presión Ambiente Flujo Aire Flujo Oxigeno Válvula Aire Válvula Oxigeno Sensores de Presión Válvula PEEP Comp Neumo Entradas Analógicas Opciones Iniciales Numero de Serie a Select the desired option with the Se...

Страница 81: ...on key b Press enter to enter and modify the values with Selection key c Press enter to exit If the changes are ready Press Menú and the next message will be displayed on the screen SAVE EXIT Select the desired option with the Selection key and press Enter If you select EXIT and the values was modified the next message will be displayed on the screen Exit without save changes Enter Accept Reset Ca...

Страница 82: ...hanges the values with Selection key Press Menú and the next message will be displayed on the screen SAVE EXIT Select the desired option with the Selection key and press Enter If you select EXIT and the values was modified the next message will be displayed on the screen Exit without save changes Enter Accept Reset Cancel Select the desired option Then press Reset to return to initial menu ...

Страница 83: ...nd press Enter Open and close the valve with Selection key Low Fast d When the target value is taked press Enter e Select a new target and repeat the operations a b c f Press Menú and the next message will be displayed on the screen SAVE EXIT Select the desired option with the Selection key and press Enter If you select EXIT and the values was modified the next message will be displayed on the scr...

Страница 84: ... have previous calibration then press Menú c Select START and press Enter to auto calibration begins d Press Menú and the next message will be displayed on the screen SAVE EXIT Select the desired option with the Selection key and press Enter If you select EXIT and the values was modified the next message will be displayed on the screen Exit without save changes Enter Accept Reset Cancel Select the...

Страница 85: ...on p Control Sensor 0 100 cmH2O Graph Sensor 0 100 cmH2O Air Sensor 0 5 kg cm2 71 PSI Oxigen Sensor 0 5 kg cm2 71 PSI the values on the left column which correspond to zero pressure Select the desired option with the Selection key and press Enter to save the zero value of the four sensors a Maximum value for the control sensor right 1 Connect the supply pressures 2 Select the desired option with t...

Страница 86: ...ith Enter c Maximum value for air and oxigen sensor 1 Select the desired option with the Selection key 2 Connect an oxygen tube with a manometer at the gas inlet Regulate a 5 kg cm2 or 71 PSI pressure 3 Save the value with Enter d Press Menú and the next message will be displayed on the screen SAVE EXIT Select the desired option with the Selection key and press Enter If you select EXIT and the val...

Страница 87: ...Reset to return to initial menu 100 Comp Neumo a Place the expiratory valve and patient s circuit b Cap the patient s circuit Fig 2 end of chapter c Press Menú and the next message will be displayed on the screen START SAVE EXIT Select INICIAR option with the Selection key and press Enter When the auto calibration is conclude Press Menú and the next message will be displayed on the screen START SA...

Страница 88: ... desired option with the Selection key and press Enter Press Enter to exit Press Menú and the next message will be displayed on the screen SAVE EXIT Select the desired option with the Selection key and press Enter If you select EXIT and the values was modified the next message will be displayed on the screen Exit without save changes Enter Accept Reset Cancel Select the desired option Then press R...

Страница 89: ...ew 04 Date 09 05 06 80 Procedure for Initial Calibration and Setup Neumovent Graph Ventilator Connection for the calibration of Flows Connection for of Comp Neumo Fl Fig 1 Standard flowmeter Ventilator Patient outlet Cap Patient s Circuit Ventilator Fig 2 ...

Страница 90: ...CHAPTER IX FINAL CONTROL ...

Страница 91: ...irat Pause 0 50 sec Square flow waveform Confirm the rest with CTRL ENTER 50 Volume Control Reading of Vt expired 500 ml 85 4 60 5 40 Reading of Plateau Pressure 10 cm H2O 2 cm H2O 60 Control of Flow Waveform control the flow waveform on the screen 70 Sensitivity Control operation with initial parameters Check Flow Trigger Program sensitivity at 3 liters min Check a Autocycling b Trigger by manipu...

Страница 92: ...inimum pressure alarm limit to the peak pressure level read Check alarm activation Reset Return the alarm limit to 5 cm H2O High Vt With the initial parameters lower the High Vt limit to 500 ml Check alarm activation Reset Return the limit to 750 ml Low Vt Rise the Low Vt alarm limit to 550 ml Check alarm activation Reset Return the limit to 250 ml Fmax Lower alarm limit to 15 per minute Check ala...

Страница 93: ...ER Trigger the test lung Check the mode operation with the graph generated on the screen Check Peak Pressure 15 cm 2 cm H2O Apnea Alarm Do not trigger the test lung At 15 sec the apnea alarm should become activated The ventilator turns to backup ventilation Trigger the test lung Check if it returns to PSV ventilation 130 SIMV VCV Mode Programming f 6 per minute Inspiratory time 1 sec PSV 15 cm H2O...

Страница 94: ...a low frequency to obtain a VE lower than that programmed Ensure a Peak pressure should increase breath by breath b VT should increase breath by breath 160 PSV VT Assured mode Programming Accept default parameters CTRL ENTER Trigger the test lung Control activation of the continuous flow phase Check VT expected VT target 170 Check operation of serial output 180 Control the operation of the device ...

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