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Instructions: Meditech 

microVENT

  

Page 1 of 28  

 

Part number 011-0045-00 

DOC300M 

17/03/2021 

Issue L 

 

 

Operating Manual for 

microVENT

 

microVENT

 World

 - microVENT

 CPR - 

microVENT

 Classic - 

microVENT

 European 

microVENT

 UtilityVenT - 

microVENT

 Responder 

 

 

 

READ THESE INSTRUCTIONS BEFORE USING THE EQUIPMENT 

 

Summary of Contents for microVENT Classic

Page 1: ...28 Part number 011 0045 00 DOC300M 17 03 2021 Issue L Operating Manual for microVENT microVENT World microVENT CPR microVENT Classic microVENT European microVENT UtilityVenT microVENT Responder READ THESE INSTRUCTIONS BEFORE USING THE EQUIPMENT ...

Page 2: ...ystem has been inspected by the Notified Body Ref CE 2797 being BSI Say Building John M Keynesplein 9 1066 EP Amsterdam The Netherlands EC Certificate No 662942 refers Other Standards microVENT also comply with the following standards ISO 13485 2016 BS 6850 2002 Gas powered ventilatory resuscitators BS EN ISO 5356 1 2015 ISO 5359 2014 A1 2017 BS 5682 2015 where BS standard connector specified by c...

Page 3: ...T APPLY TO MICROVENT RESPONDER 15 4 3 AIRMIX AIR ENTRAINMENT OPTION 16 4 4 USE IN TOXIC ATMOSPHERES 18 4 5 USE IN CLEAN ATMOSPHERES 20 4 6 ACTION TO BE TAKEN IF PATIENT VOMITS DURING RESUSCITATION 21 4 7 ADDITIONAL CONSIDERATIONS 22 5 CHAPTER FIVE SERVICING 22 5 1 ROUTINE MAINTENANCE 22 5 2 CHECKLIST IN FULL AT LEAST EVERY MONTH AND AFTER EACH USE 23 5 3 CLEANING THE MICROVENT AND ACCESSORIES ERRO...

Page 4: ...tuation which could result in injury to the user or others if not avoided Read these instructions before using the equipment Do not use any form of grease or oil No Smoking Do not use this device near any source of ignition Product part number Serial Number Manufactured by Next Maintenance or Service Due date Vti Inspiratory Tidal Volume Medical Device ...

Page 5: ...gen specific outlet such as in a hospital or ambulance or a medical oxygen cylinder regulator The purchaser is responsible for the provision of accessories needed to operate the handset unit such as a suitable oxygen source and resuscitation facemasks 2 1 6 microVENT is also available from the manufacturer as a resuscitation kit The microVENT Resuscitator Kit includes the accessories needed for no...

Page 6: ...ead space should not exceed 30 of minimum delivered volume WARNING The Microvent must only be used by persons who have received adequate training because incorrect operation of the resuscitator can be hazardous The Microvent should not be used on unattended patients a competent user should be present when the device is used Users should be trained in alternative methods of ventilation e g Mouth to...

Page 7: ... Child above10 kg Automatic operation Time cycled Gas powered Patient assist synchronisation fitted on Advanced models Time cycled Gas powered Patient assist synchronisation fitted on Advanced models Time cycled Gas powered Patient assist synchronisation fitted on Advanced models Time cycled Gas powered Patient assist synchronisation fitted on Advanced models Time cycled Gas powered Automatic flow...

Page 8: ...e cycled Gas powered Patient assist synchronisation fitted on Advanced models Time cycled Gas powered Patient assist synchronisation fitted on Advanced models Time cycled Gas powered Patient assist synchronisation fitted on Advanced models Gas powered Manual operation No automatic operation Automatic flow rate L min 21 5 to 15 5 21 5 21 5 No automatic operation Automatic tidal volume L 0 6 to 0 2 ...

Page 9: ...spiratory resistance without anti air entrainment diaphragm kPa 0 5 0 5 0 5 0 5 0 5 Resuscitator weight excluding supply hose g 262 advanced 214 advanced 262 advanced 214 advanced 210 250 standard 202 standard 250 standard 202 standard Maximum resuscitator dimensions excluding supply hose mm 120 x 55 x 100 120 x 55 x 100 120 x 55 x 100 120 x 55 x 100 120 x 55 x 100 Approximate duration when operat...

Page 10: ...cable Inspiratory resistance without anti air entrainment diaphragm kPa 0 5 0 5 0 5 0 5 Resuscitator weight excluding supply hose g 214 advanced 214 advanced 214 advanced 200 202 standard 202 standard 202 standard Maximum resuscitator dimensions excluding supply hose mm 120 x 55 x 100 120 x 55 x 100 120 x 55 x 100 120 x 55 x 100 Approximate duration when operating on automatic from 340L D size cyl...

Page 11: ...ly this could result in the patient being unable to breathe through the Microvent 2 4 7 End expiratory pressure in normal use is atmospheric pressure 2 4 8 The microVENT is pressure limited by the pressure relief cap which incorporates a calibrated spring loaded seal underneath the pressure relief cap When patient airway pressure exceeds 4 5kPa the relief cap diaphragm seal will lift and will reli...

Page 12: ... ensure adequate supplies of oxygen are available Monitor the use of the cylinder by observing the contents gauge 3 1 1 The microVENT is designed to operate on medical oxygen from either a cylinder or pipeline In the UK the connection fittings are of the shrouded BS 5682 2015 quick connect type unless otherwise specified by the customer and allowed under the applicable relevant international stand...

Page 13: ...ve that prevents dangerous airway pressures being achieved An audible warning sounds when the relief valve is operating Users should use the test method described 5 3 18 within warning section The principle of the alarm detection is that the pressure relief valve will relieve pressure within the device and therefore the patient mask airway device patient airway and also simultaneously sound the al...

Page 14: ...sociation in collaboration with the International Liaison Committee on Resuscitation ILCOR Guidelines 2000 for cardiopulmonary resuscitation and emergency cardiovascular care An international consensus on science Resuscitation 2000 46 1 447 3 European Resuscitation Council Guidelines 2000 for Adult Basic Life Support A statement from the Basic Life Support and Automated External Defibrillation Wor...

Page 15: ...rning valve t Patient valve assembly v Manual trigger w Oxygen supply hose y Tidal volume and frequency selector on Professional Adult Child models not used on Industrial Adult Only models Figure 2 The Microvent Pneumatic Circuit 131 0001 00 Microvent time flow sub assembly 131 0003 00 Control valve sub assembly 131 0006 00 Patient assist assembly 131 0002 00 Regulator sub Assembly 131 0004 00 Mic...

Page 16: ... to obtain a good seal and support the jaw Fig 4 4 1 12 Squeeze the Manual Trigger Fig 1 v towards the Face Mask and observe the rise of the patient s chest The operation of the Manual Trigger does not require a violent pull A gentle squeeze of the trigger will supply oxygen and inflate the lungs 4 1 13 Excessive pressure on the Manual Trigger will not result in more oxygen being supplied to the p...

Page 17: ...possible or If the patient is to be transported Then automatic ventilation may be commenced 4 2 2 If the patient makes an inspiratory effort during automatic ventilation Advanced microVENTs have a respiratory assist sensor which when the Anti Air Inhalation Diaphragm is fitted to the patient valve enables the patient to trigger the microVENT inflations in time with their inspiratory effort The Adv...

Page 18: ... an open airway 4 2 9 Over inflation will be indicated by excessive chest rise and eventually by the operation of an audible tone of the Pressure Relief Valve Under inflation will be indicated by too shallow a rise in the patient s chest WARNING At all times during resuscitation the rise and fall of the patient s chest should be monitored to ensure adequate ventilation 4 3 AIRMIX AIR ENTRAINMENT O...

Page 19: ...Airmix off WARNING The microVENT Airmix when set at 50 entrains gases from the atmosphere when operating and should not be used in contaminated environments including use in hazardous or explosive atmospheres On Airmix models set the Airmix control to the 100 position Airmix off if used in a contaminated environment Figure 5 microVENT Wolrd with Airmix Key to item in Fig 5 z Airmix selector switch...

Page 20: ...a patient if the oxygen supply runs out the patient will not be able to breath ambient air spontaneously through the Microvent WARNING The patient cannot breathe ambient air when the Anti Air Inhalation Diaphragm is fitted continued use of the anti air inhalation diaphragm on an advanced model Microvent will allow the patient to inhale 100 oxygen if an inspiratory effort is made by the patient The...

Page 21: ...on Device positioning or using a finger sweep 4 6 5 Remove the Face Mask from the Patient Valve Fig 6 t2 4 6 6 Unscrew Patient Valve t2 from microVENT Body q being careful to ensure the Duckbill Diaphragm t1 is not mislaid and shake out any contaminant from the Patient Valve Face Mask and Duckbill Diaphragm 4 6 7 Operate the Manual Trigger to blow out any contaminant 4 6 8 Unscrew Pressure limitin...

Page 22: ...nce all liquids appear to have drained from the body of the microVENT perform functional tests as per section four of this manual 5 CHAPTER FIVE SERVICING CAUTION The microVENT is designed to provide respiratory support in an emergency situation Failure to follow the maintenance and inspection routines properly could result in incorrect operation of the Microvent 5 1 ROUTINE MAINTENANCE 5 1 1 To e...

Page 23: ...lternative arrangements to cover the risk Contact your service agent E Test the function of the Pressure Relief Valve by occluding the patient port and operating the manual trigger The pressure relief and audible warning should operate In the case of any problems withdraw the microVENT from use and make alternative arrangements to cover the risk Contact your service agent F Turn off the oxygen cyl...

Page 24: ...fe use 5 3 10 The parts should be rinsed thoroughly with warm water dried thoroughly and stored dry 5 3 11 Wipe the microVENT body q using disposable absorbent paper 5 3 12 Note The Patient valve body t2 Duck Bill Patient valve diaphragm t1 and Anti air inhalation gasket t3 and the reusable silicone resuscitation face masks can be submerged in the disinfecting sterilising solution 5 3 13 Face mask...

Page 25: ...ith individual components subject to strict quality control tests to ensure high standards under ISO 13485 The microVENT is designed to have a Product Life Span of 15 years excluding abuse to the device When the product reaches the end of its usable life please ensure that it is suitably disinfected cleaned and disposed of in the normal way taking into account any local requirements for recycling ...

Page 26: ...Stainless steel Internal Components Brass CZ121 Some electroless nickel plated Aluminium 2011T3 Arcap AP 1D Delrin Tecaform AD Spring stainless steel Tubing Polyurethane Filter Sintered Bronze O Rings EPDM Nitrile Rubber or Silicone Rubber Miscellaneous minor components Polypropylene Neoprene Polyethylene Nylon 6 PVC Polyester reinforced PVC Carbon steel Resuscitation Face Mask Polycarbonate and S...

Page 27: ...05 60 Pressure limiting valve 60cm water 131 0183 00 Sounding board Fig 6 s2 673 0011 00 Patient valve diaphragm Duckbill Fig 6 t1 673 0010 00 Patient valve body Fig 6 t2 033 1011 00 Anti air inhalation gasket Fig 6 t3 131 0017 00 2m White Oxygen Hose with Schrader Fitting may require training and will require use of tools Fig 1w User Operating Manual microVENT Brief Operating Instructions microVE...

Page 28: ...evice is designed and manufactured by EC Representative Medical Device Management Block B The Crescent Building Northwood Santry Dublin 9 Ireland D09 C6X8 B N O S Meditech Ltd 9 Fifth Avenue Bluebridge Ind Est Halstead Essex CO9 2SZ England UK Tel 44 0 1787 479475 Fax 44 0 1787 477747 www meditech uk com E mail sales meditech uk com ...

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