Dräger 84 13 050 Operating Instructions Manual Download Page 4

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Operating Instructions MicroVent

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Summary of Contents for 84 13 050

Page 1: ...Operating Instructions MicroVent MicroVent Ventilator Operating Instructions Software 1 n 2 680 95 D ...

Page 2: ...Operating Instructions MicroVent This page intentionally left blank ...

Page 3: ... Dräger or Au thorized Dealers Dräger Inc will not be responsible for injury to persons or damage to property arising directly or indirectly out of unauthorized repairs or modifications to this device Furthermore any unauthorized repairs or modifica tions void any warranty extended by Dräger This document is provided for your information only It will not be exchanged or updated without request Tra...

Page 4: ...4 Operating Instructions MicroVent This page intentionally left blank ...

Page 5: ...tents Page Introduction READ THIS FIRST 6 Operator s Responsibility for Patient Safety 6 Limitation of Liability 6 Warranty 7 Definitions 8 General WARNINGS and CAUTIONS 8 Precautions During Preparation 9 Precautions During Operation 10 Precautions During Care 10 Precautions During Maintenance 11 Intended Use 12 Medical Attention 12 Ventilation With an Independent Manual Ventilation Device 12 Over...

Page 6: ...t the purchase and use of the equipment are restricted to trained professionals and that certain inherent characteristics of the equipment are known to the trained operator Instructions warnings and cau tion statements are limited therefore largely to the spe cifics of the Dräger design This publication excludes references to various hazards which are obvious to a medical professional and operator...

Page 7: ...s the sole warranty provided by Dräger Inc No other warranty expressed or implied is intended Representatives of Dräger are not authorized to modify the terms of this warranty Dräger Inc Telford PA Warranty All Dräger products are guaranteed to be free of defects for a period of one year from date of delivery The follow ing are exceptions to this warranty 1 The defect shall be a result of workmans...

Page 8: ...RNING StrictlyfollowthisOperator sInstructionManual Any use of the product requires full under standing and strict observation of all portions of these instructions The equipment is only to be used for the purpose specified under Intended Use see page 12 and in conjunction with appropriate airway monitoring see page 6 Observe all WARNINGS and CAUTIONS as ren dered throughout this manual and on lab...

Page 9: ...ctive patient circuits or tubing Precautions During Preparation WARNING Always use an independent oxygen analyzer to monitor inspiratory oxygen concentrations WARNING Always verify that valve membrane is installed in correct orientation Ventilator malfunction will occur if silicone membrane is reversed CAUTION Maintenance In case of malfunction of this device contact your local DrägerService or ou...

Page 10: ... device resuscita tion bag using PEEP and or increased inspira tory oxygen concentration where necessary and appropriate Precautions During Operation WARNING Use CPAP mode only for patients who have suffi cient spontaneous breathing WARNING Observe pressure gauge in order to identify im proper ventilation Operator must always be ready to intervene if alarm indicates a situation dangerous to the pa...

Page 11: ...c tive clothing eyewear etc CAUTION Certain components of the ventilator consist of materials that are sensitive to certain organic sol vents sometimes used for cleaning and disinfecting e g phenols halogen releasing compounds oxygenreleasingcompounds strongorganicacids etc Exposure to such substances may cause damage that is not always immediately recognized Sterilization of the ventilator itself...

Page 12: ...or and must always assume full responsibility for proper ventilation and pa tient safety in all situations Intended Use MicroVent time cycled volume constant ventilator for patients with a body weight of at least 15 kg 33 lbs up to 150 kg 330 lbs Ventilation modes controlled ventilation CMV synchronised controlled ventilation Assist Control synchronised intermittent mandatory ventilation SIMV spon...

Page 13: ...Overview 13 Operating Instructions MicroVent 2 682 95 ...

Page 14: ...ter correcting the cause of an alarm Overview Front Panel The knobs in the center of the front panel set ventilator rate f tidal volume VT inspiratory time Tinsp Below grouped together in one field are the knobs for max airway pressure Pmax Y minute volume alarm limits MV Y Next to this field the knob for settting pressure support during spontaneous breathing endexpiratory pressure PEEP and positi...

Page 15: ... of circuit segments in meters Make sure watertraps are positioned vertically Prepare humidifier according to its Operating Instructions WARNING Do not use antistatic electrically conductive patient circuits or tubing WARNING Always use an independent oxygen analyzer to monitor inspiratory oxygen concentrations WARNING Always verify that valve membrane is installed in correct orientation Ventilato...

Page 16: ...note different diameters of hose ends and respective nipples Pneumatic Connections 1 Attach gas supply line and tighten 2 Attach pressure sensing lines for flow measurement to connector on MicroVent CAUTION Do not pressurize this connector for pressure sensing lines It might destroy the internal sensor CAUTION Always use elbow connector for accurate flow measurement Preparation Assembly 16 Operati...

Page 17: ... battery pack must always be installed even when using external power supply CAUTION Always use AC adapter 84 12 709 for connecting device to 120 V AC line voltage Electrical Supply Preparation 17 Operating Instructions MicroVent CAUTION The internal battery pack will last for up to 2 hours of operation Keep additional fully charges battery packs on hand for backup if external sources might not be...

Page 18: ...intenance every 2 years NOTE Always use battery holder part no 18 35 505 in battery compartment Undo screw in lid of battery compartment use coin and remove lid CAUTION Always use alkaline batteries type IEC LR6 AA batteries Defective NiCd Preparation Electrical Supply 18 Operating Instructions MicroVent ...

Page 19: ...2 Charging NiCd batteries NOTE NiCd batteries will slowly discharge even while connected to an external power supply It takes about 2 years for batteries to discharge completely under those circumstances NOTE Always charge at ambient temperatures of 32 ºF to 95 ºF 0 ºC to 35 ºC CAUTION Always use AC adapter 84 12 709 for connecting device to 120 V AC line voltage WARNING Treatment of batteries Do ...

Page 20: ...e time of this message NOTE Low ambient temperatures and the actual condition of the rechargeable batteries may reduce operating times Use with external DC supply Voltage fluctuations in on board supplies can be sig nificant e g due to varying load conditions They may exceed the input tolerances specified for MicroVent The DC DC converter conditions these types of sup plies to provide a constant v...

Page 21: ...y cause ventilator malfunction WARNING Always use extreme caution when using oxygen Oxygen intensely supports any burning No smoking no open fire in areas where oxygen is in use Always provide adequate ventilation in order to maintain ambient O2 concentrations 24 Always secure O2 cylinders against tipping do not expose to extreme heat DonotuseoilorgreaseonO2 equipmentsuchas tank valves or pressure...

Page 22: ... time of operation of MicroVent Example Mode CMV Minute Ventilation expiratory gas consumption due to the base flow pressur gas supply L Expected time of op MV 1 1 Tinsp f 5 L min 60 Close cylinder valve completely after test Supply with oxygen from wall pipeline system Attach high pressure hose with DISS connector to MicroVent and connect to wall terminal with appropriate quick connect probe ____...

Page 23: ... Connect test lung Intermittent audible alarm stops red status light off ___________ f 10 bpm VT 0 5 L Tinsp 2 s Pmax 50 cmH2O MV Y low 2 L min MV Y high 10 L min PEEP 5 cmH2O PS 0 cmH2O Display 1L min ___________ Take PEEP reading on pressure gauge PEEP 5 2 cmH2O ___________ Monitoring MV Y low 7 L min Display Intermittent audible alarm red status light flashing ___________ MV Y high 3 L min Disp...

Page 24: ...ttaching the wye a ET tube adapter size 7 mm for simulation of airway resistance and a 2 L ventilation bag for simulation of compliance 1 Remove elbow from flow sensor 2 Insert test lung elbow to patient connector at flow sensor Connect gas supply Open gas cylinder valve slowly and completely or engage gas supply hose to wall terminal with quick connect Plug mains plug into wall socket outlet Conn...

Page 25: ...o channels which are both tested during the self test Therefore two audible alarms of the same duration will be heard The green status light will be on continuously as long as an external power source is connected The self test will be completed after no more than 6 seconds Display MicroVent will now ventilate the test lung with the preset ventilation pattern The pressure gauge should alternate be...

Page 26: ...Reset lower alarm limit to 4 L min The intermittent audible alarm should stop To clear display 2 Press g key 1 Set upper alarm limit to 5 L min Display and intermittent audible alarm 1 Reset upper alarm limit to 8 L min The intermittent audible alarm should stop To clear display 2 Press g key CMV MV 6 0 MV high CMV MV 6 0 MV low Testing O2 Concentration Testing Minute Volume Monitoring Tests of Re...

Page 27: ... Tinsp to 3 seconds 4 knob Pmax to 40 cmH2O Hold test lung squeezed and observe pressure gauge At an airway pressure of 36 to 40 cmH2O the venti lator switches to expiration the test lung empties out The red alarm status light starts blinking the display shows an intermittent audible alarm is set off Let test lung expand again The intermittent audible alarm will stop To clear display 5 Press g key...

Page 28: ...rnal power supply 4 Press g key The repeated sound should stop and the message disappear Reconnect external power supply The yellow light J goes out and the green light N is lit Testing SIMV Synchronization 1 Set switch for ventilator modes to SIMV CPAP 2 knob Pmax to 60 cmH2O 3 knob PEEP to 10 cmH2O Simulate several spontaneous inspirations by squee zing and subsequent releasing of test lung With...

Page 29: ...r The airway pressure should rise to 25 cmH2O 3 cmH2O pressure support and then drop to 10 cmH2O 2 cmH2O PEEP On Off switch to 0 OFF Press g key to confirm Remove test lung re attach elbow connector WARNING Ventilator is ready for operation only after all tests were performed successfully Testing Readiness for Operation Testing Pressure Support Ventilation 29 Operating Instructions MicroVent D 2 1...

Page 30: ...inute volume 8 On Off switch to ON Display When the patient has been connected Check display of minute ventilation and re adjust for the specific patient WARNING Observe pressure gauge in order to identify im proper ventilation Operator must always be ready to intervene if alarm indicates a situation dangerous to the patient Self test Software xx xx WARNING Always use ventilator that has been clea...

Page 31: ... to protect the patient 1 Alarm message In this situation the ventilator is unable to deliver the preset tidal volume When airway pressure is too high and alarm Paw high has been set off Check position of ET tube Check patient airways suction if necessary Verify that ventilator circuit is not kinked To clear alarm message from display 4 Press g key Applying PEEP 1 Set knob PEEP to desired value an...

Page 32: ...neously in between mandatory ventilator breaths If the patient does not inspire spontaneously within a certain time window the ventilator will apply an unsynchronized mandatory breath For low rates of mandatory ventilator breaths the trigger window should not be longer than 5 seconds in order to guarantee a minimum expiratory time of 0 5 seconds The size of the trigger time window should be reduce...

Page 33: ... 2 L min 3 display shows When spontaneous breathing returns reduce ventilator rate with knob f For rate settings below 2 bpm switch to CPAP Set continuous positive airway pressure 1 using knob PEEP You may provide pressure support during spontaneous breathing 2 set knob Press Supp higher than PEEP as appropriate Pressure support will then be active according to the difference in pressure levels be...

Page 34: ...ive according to the difference in pressure levels between Press Supp and PEEP NOTE When Press Supp is set lower than PEEP no pressure support is provided If apnea occurs apnea ventilation is switched on at f 8 bpm 5 Use knob VT to set tidal volume and 6 Use knob Tinsp to set inspiratory time When no breaths have been detected by the ventilator for 15 seconds display shows warning message continuo...

Page 35: ...onnection 1 Plug twin nozzle with elbow connector into the humidifier connection 2 Plug pressure limiting valve onto elbow connector with adjusting screw pointing upwards 3 Plug ventilation hose onto nozzle of pressure limiting valve Set ventilation as described for IPPV SIMV mode Set inspiratory pressure by means of adjusting screw on pressure limiting valve and check on pressure gauge Check set ...

Page 36: ...atory Flow FLOW 30 0 L min I E ratio TI TE 1 2 Peak pressure PEAK 20 cmH2O Mean pressure MEAN 15 cmH2O Endexp pressure PEEP 5 cmH2O Breathing rate Frequency 10 bpm During SIMV Inspiratory Flow FLOW 30 0 L min Peak pressure PEAK 20 cmH2O Mean pressure MEAN 15 cmH2O Endexp pressure PEEP 5 cmH2O Breathing rate Frequency 10 bpm Tital volume VT 450 ml During CPAP Positive airway pressure CPAP 8 cmH2O P...

Page 37: ...onnect high pressure hose quick connect probe from wall terminal Storage of ventilator for an extended period of time When MicroVent is not going to be used for more than 2 months Remove battery pack with alkaline batteries where applicable NOTE Rechargeable batteries may remain in the ventilator Check batteries monthly No ventilation Confirm End of Operation Operation 37 Operating Instructions Mi...

Page 38: ...y is re established in good time WARNING Automatic patient ventilation volume measure ment and alarms are not functional in case of a total loss of electric power Spontaneous breathing through the integrated demand valve however is still possible in that situation Immediately start ventilating patient with inde pendent manual ventilation device resuscita tion bag using PEEP and or increased inspir...

Page 39: ...s not possible to operate MicroVent without an internal power supply NiCd pack or battery pack When batteries near the end of capacity the display will show respectively or Approximately 10 minutes of operation remain at the time of these messages NOTE In order to save power the display light cannot be switched on during this time Change bat Charge NiCd Time Limits for Battery Powered Operation Op...

Page 40: ... patient with resuscitation bag install new battery pack see page 17 or connect ventilator to external electrical power see pages 17 20 Time Limits for Battery Powered Operation Operation 40 Operating Instructions MicroVent ...

Page 41: ...tes during alarm conditions Press g key The audible alarm will sound again after 2 minutes if the same alarm condition persists and in case of a new alarm condition of higher priority When an alarm condition has been corrected the alarm status light will no longer be on the audible alarm will be off Clearing an alarm message from the display Press g key NOTE An alarm message can only be reset when...

Page 42: ... Empty water traps in patient circuit Disconnect patient circuit from nozzles CAUTION When removing patient circuits always handle at end fittings Otherwise support helix may be torn at end fitting or hose and fitting could come apart CAUTION Prevent any foreign objects from getting into the flow sensor Do not use pressurized air for cleaning the orifice membraneinsidetheflowsensormaybecomedam age...

Page 43: ...Do not further disassemble the patient valve Disassembling the Humidifier Always follow Operating Instructions of humidifier used when cleaning and disinfecting CAUTION Prevent any foreign objects from getting into the ventilator valve Be careful not to damage the silicone membrane or other disassembled parts Care Disassembling the Patient Valve Disassembling the Humidifier 43 Operating Instructio...

Page 44: ...Disinfecting Sterilizing To prevent any damage we recommend that only deter gents and disinfectants are used that are compatible with the materials used in the ventilator and its accessories e g surface disinfectants on the basis of aldehydes alcohol or quarternary ammonium compounds for disinfection of the main unit Ensure that all disinfectants are registered with the U S Environmental Protectio...

Page 45: ... Maintenance work on the MicroVent ventilator may be performed by trained and factory authorized staff only WARNING To avoid any risk of infection clean and disinfect ventilator and accessories before any mainte nance according to established hospital proce dures this applies also when returning ventila tors or parts for repair Scheduled safety checks every 6 months Inspection and prev maint every...

Page 46: ...e NOTE Rechargeable batteries may remain in the ventilator Check batteries monthly WARNING If incaseofdamagetotheventilator theglassof the LCD screen is broken a liquid chemical may be released that should not come into contact with the skin In case of contamination wash off with soap immediately WARNING Never operate the ventilator if it has suffered physical damage or does not seem to operate pr...

Page 47: ...r customer service mode appear in English Select Customer Service Mode Disconnect MicroVent from patient 1 On off switch to 0 OFF 2 f rotary knob to max 60 min 3 VT rotary knob to max 1 5 L 4 Press l and g keys and hold down While holding down these keys 1 On off switch to I ON MicroVent performs self test then display Release keys Display Activate 4 Confirm briefly press l and g keys simultaneous...

Page 48: ...suomeksi Portuguese portuguese Italian italiano American English american English French français Dutch nederlands Select language Briefly press l or g key Confirm language Briefly press l and g keys simultaneously Select another mode step Increment by pressing g key Decrement by pressing l key Activate mode step Briefly press l and g keys simultaneously Confirm Briefly press l and g keys simultan...

Page 49: ...st 006 Check settings of rotary knobs for f VT Tinsp Pmax 007 Switching ON OFF high rate alarm or Exit Customer Service Mode On off switch to 0 OFF INFO TEST ON RESET TEST OFF F XX XX VT X XX Ti X XX P XX X MV low XX XX MV high XX XX Pos IPPV SIPPV Pos SIMV CPAP Tachypnea alarm ACTIVE Tachypnea alarm INACTIVE 49 Pressure high Pressure low Customer Service Mode Operating Instructions MicroVent ...

Page 50: ... battery pack with new pack or connect to external power supply Charge NiCd Alarm status light flashing single beep every 30 seconds Display illumination cannot be switched on NiCd pack will be discharged within a few minutes external power supply not connected Replace rechargeable battery pack with a fully charged NiCd pack or connect to external power supply Check settings Alarm status light fla...

Page 51: ... message appears only in Stand by No NiCd or battery pack installed or ambient temperature during charging of NiCd battery pack was outside 32 ºF to 95 ºF range Charge NiCd pack at ambient temperature between 32 ºF and 95 ºF No NiCd bat Machine is connected to external voltage supply no internal power supply available Install fully charged NiCd pack or new alkaline battery pack Paw high Alarm stat...

Page 52: ... Ventilation stops Alarm light continu ously lit continuous audible alarm XX XX XX XX XX fault code Internal ventilator malfunction Switch off ventilator and disconnect from external power supply Switch ventilator on again If fault recurs use backup ventilator and call DrägerService No message Continuous sound for at least 7 seconds Sudden failure of internal power supply when external power suppl...

Page 53: ...justable from 20 to 80 cmH2O 3 Double function knob for upper and lower alarm limits for minute volume 4 Knob for Pressure Support PS continuously adjustable from 0 to 35 cmH2O 5 Knob for PEEP CPAP continuously adjustable from 0 to 18 cmH2O 6 On off switch ON OFF 7 Switch for CMV AC and SIMV CPAP ventilation modes 8 Knob for setting inspiratory time Tinsp between 0 2 and 3 seconds 9 Yellow status ...

Page 54: ...tification plate 4 Compartment for internal power source either rechargeable NiCd battery pack or battery pack with 6 AA batteries WARNING Do not block air intake Ventilator malfunction will result What s What Rear View 54 Operating Instructions MicroVent 2 678 95 1 2 3 4 ...

Page 55: ...ement 3 DISS connector for high pressure gas supply O2 Air or O2 Air mixture 40 to 87 psi 4 Connector for external DC voltage AC adapter 84 12 709 or vehicle power supply with converter 84 12 071 5 Expiratory valve 6 Beeper Side View Right What s What 55 Operating Instructions MicroVent 2 677 95 5 4 3 2 6 1 ...

Page 56: ...nector male ISO taper 22 mm Technical Data NOTE Specifications are given conforming to ISO 5369 Ambient Conditions For operation Temperature Ventilator 14 to 122 ºF 10 to 50 C AC adapter 32 to 104 ºF 0 to 40 C Atmospheric pressure 600 to 1200 hPa Rel humidity 30 to 95 r H For storage Temperature 0 to 158 ºF 20 to 70 C AC adapter 40 to 158 ºF 70 to 40 C Atmospheric pressure 600 to 1200 hPa Rel humi...

Page 57: ...activated when set value of Pmax is reached Paw low Alarm is activated when no air way pressure difference of at least 5 cmH2O has been reached within two ventilator breaths in CMV or SIMV or if pressure falls below 3 cmH2O in CPAP mode PEEP high Alarm is activated when airway pressure don t falls below 22 cmH2O during expiration Leakage Alarm is activated when the ex piratory minute ventilation i...

Page 58: ... and prEN 794 1 immunity MIL STD 461D 462 RE 101 RS 101 CS 101 Vibration and shock test MIL STD 810E Electrical supply Electrical power input into MicroVent 12 V 1 V DC Connection to external supplies 12 24 28 V DC via DC DC converter 84 13 017 Fuse T1L 250V IEC 127 2 behind lid of battery compartment Connection to external via AC adapter 84 12 709 AC source input 120V 60Hz AC max 200 mA output 12...

Page 59: ...connector 12 and flow sensor 15 At the same time expiratory valve 14 is closed The controlled 2 2 way valve 21 prevents the inspiratory gas from escaping to the mechanical PEEP valve 8 The pressure limiting valve 22 limits the inspiratory pressure to a maximum value independent of the Pmax control unit Theory of Operation Symbols for Pneumatic Components Theory of Operation Symbols for Pneumatic C...

Page 60: ... sensor 25 Expiratory flow generates a proportional differential pressure within flow sensor 15 It is measured with differential pressure sensor 26 and used to determine minute volume The automatic zero calibration of pressure sensor 26 is carried out with 3 2 way valve 27 The bi stable 3 2 way solenoid valve Insp Exp 3 interrupts gas flow either in a time cycled fashion at the end of inspiratory ...

Page 61: ...hose adult silicone 0 60 m 21 65 627 13 Spiral hose adult silicone 1 10 m 21 65 635 14 Water trap 84 04 985 14 1 Container 84 03 976 15 Connector M 25 647 16 Elbow connector M 25 649 17 Y piece F P 900 MR 5581 18 Catheter connector straight size 12 5 pack of 10 M 23 840 Item No Name Order No 19 Hose clip 84 03 566 20 Corrugated hose 84 02 041 21 Pack of catheter connectors adult 84 03 685 22 Adapt...

Page 62: ...ime ISO International Standards Organisation LCD Liquid Cristal Display MEAN Mean airway pressure MV Minute Volume MVY lower and upper alarm limit for minute volume O2 Oxygen Paw Airway pressure PEAK Peak pressure PEEP Positive EndExpiratory Pressure PmaxV Maximum airway pressure PS Pressure support during spontaneous breathing Reset Alarm reset SIMV Synchronized Intermittent Mandatory Ventilation...

Page 63: ...AC adapter 120 V 60 Hz USA 84 12 709 NiCd pack 84 11 599 Special accessories Hinged arm 84 09 609 Hose bracket 2M 85 446 for operation with air compressor Air compressor 100 110 V 50 60 Hz or 127 V 60 Hz 84 10 173 Set of castors for compressor 84 10 174 Holder for compressor 84 12 572 Compact rail 2M 85 337 Water trap 84 12 573 for operating ventilator in vehicles connecting cable with DC DC conve...

Page 64: ...ply testing 28 Manual ventilation device 12 Measured parameter values 36 Minute volume testing monitoring of 26 NiCd pack changing 17 charging 18 disposal 18 Operating time 39 Operation 34 end of 37 theory of 59 with alkaline batteries 17 with NiCd pack 17 Ordering information 63 Overview 13 Oxygen concentration testing 26 Parts list 61 Patient safety operator s responsibility for 6 Paw high alarm...

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Page 68: ... any specific machine or device Dräger Medizintechnik GmbH Germany H Moislinger Allee 53 55 D 23542 Lübeck T 4 51 8 82 0 X 26 80 70 FAX 4 51 8 82 20 80 http www draeger com 90 28 471 GA 5673 100 en us Dräger Medizintechnik GmbH 4th edition September 1999 Subject to alteration Dräger Medical Inc Critical Care Systems H 3136 Quarry Road Telford PA 18969 T 215 721 6910 FAX215 721 6915 Manufactured by...

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