Weinmann MEDUMAT Standard Description And Instructions For Use
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Weinmann MEDUMAT Standard Description And Instructions For Use

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MEDUMAT Standard
Ventilator
Description and instructions for use

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Summary of Contents for Weinmann MEDUMAT Standard

  • Page 1 MEDUMAT Standard Ventilator Description and instructions for use...

  • Page 2: Table Of Contents

    Hygienic preparation ..33 MEDUMAT Standard ..33 Patient valve ....34 Hose system .

  • Page 3: Overview

    1. Overview 1.1 Device Control panel MEDUMAT Standard 1 Ventilation pressure gauge 2 Alarm panel 3 Alarm mute button MEDUMAT Stenosis Standard Disconnection < 2,7 bar O Air Mix 4 Air Mix/No Air Mix switch No Air Mix 5 Minute volume regulator...
  • Page 4 MEDUMAT Standard connections 10 Pressure gas connection 11 Catch for STATION MEDUMAT wall mounting 12 Connection for ventilation tube 13 Pressure gauge hose connection 14 Relief valve 15 Dust cover 16 Mixed air filter 11 Catch for STATION MEDUMAT wall mounting...

  • Page 5: Symbols Used On The Ventilator

    1.2 Symbols used on the ventilator Patient valve The symbol on the patient valve is a reminder that the lip membrane must be changed immediate- ly if it becomes crinkled, sticky or misshapen. The pa- tient valve must not be used again until the membrane has been changed, as this could cause malfunction (note “7.3 Checking patient hose sys- tem“...
  • Page 6 MEDUMAT Standard Inlet 2,7 - 6 bar O Tube system connection Maximum pressure ≤100mbar Safety check and servicing label Safety check label: (in Germany only) marks when the next safety check as per §6 of the German law relating to users of medical devices is required.
  • Page 7 MEDUMAT Standard device information plate Serial number of device Manufacturer Direct voltage 3,6 V lithium battery CE symbol (confirms that the product conforms to the applicable European directives) Degree of protection – against the ingress of solid particles IP24 – against access to hazardous parts –...

  • Page 8: Description Of Ventilator

    P is not exceeded. • can be supplied with additional modules for aspiration and oxygen inhalation. (N.B. MEDUMAT Standard cannot be used as a venti- lator simultaneously with these modules.) Description of ventilator...

  • Page 9: Owner/Operator And User Qualification

    2.3 Ventilation function MEDUMAT Standard operates within a pressure range of 2.7 to 6 bar and at a flow rate of not less than 70 l/min O .

  • Page 10: Patient Hose System With Patient Valve

    In certain indications and in cases where the surround- ing atmosphere is contaminated, you can switch to Air Mix and ventilate with pure oxygen. No Air Mix The injector unit is switched off when switching from . This increases minute vol- Air Mix No Air Mix ume which can result in the set pressure limit being...

  • Page 11: Modules

    2.5 Modules Modules with additional functions can be attached to MEDUMAT Standard. Please refer to the directions for use enclosed with the modules for exact details of how to fit and oper- ate these. It is essential to read these directions care- fully before using the modules.
  • Page 12 Combi MODULE The Combi MODULE enables you to apply both oxygen inhalation and suction. M O D U C o m b i For inhalation put the switch marked into the “ “ position. Select the desired oxygen volume by turning the knob marked to a setting between 0 and l/min...

  • Page 13: Safety Instructions

    Please comply with section "6. Hygienic prepara- tion" on page 33 to prevent infection or bacte- rial contamination. • MEDUMAT Standard should be used only by medically qualified personnel who have had training in ventilation techniques. Incorrect use can cause severe physical injury.
  • Page 14 (pressure chamber). • MEDUMAT Standard should never be used with flammable anaesthetics. • MEDUMAT Standard should not be used in the “ “ setting when the surrounding atmos- Air Mix phere is polluted or has a low oxygen content.
  • Page 15 • Always wash your hands before starting to work on the oxygen supply. • Smoking and open flames are strictly prohibited in the vicinity of all fittings containing or trans- porting oxygen. • During assembly and when changing the oxygen cylinder, only hand pressure should be used when tightening the screw connections to the cylinder and to the pressure reducer.
  • Page 16 • MEDUMAT Standard must never be used simul- taneously with a module as this would make it impossible to work to the selected parameters. Software • Extensive validation tests have been performed to minimize risks arising from software errors. Accessories •...

  • Page 17: Installation

    4. Installation A permanent mounting is usually necessary only when MEDUMAT Standard is installed as a fixture in rescue vehicles, helicopters or aircraft. In these cases either the STATION MEDUMAT or installation kits are available as accessories. If MEDUMAT Standard is supplied complete with carrying platform, it is ready for use and requires no further installation.

  • Page 18: Installation Kit For The Wall Mounting

    Wait until the pres- sure gauge on the pressure reducer shows oxygen content before uncoupling the screw connection by hand. 2. First switch off MEDUMAT Standard again. 3. Then loosen the screw connection to the cylinder. Installation...

  • Page 19: Ventilation Hose

    G 3/8 connecting nut. 4. Screw the other end of the pressure hose on to pressure gas connection on the MEDUMAT Standard if this has not yet been done. 4.4 Ventilation hose 1. Slide the pressure gauge hose onto the connection.
  • Page 20 3. Connect the patient valve to the other ends of the ventilation tube and the pressure gauge hose. 4. If the patient is intubated, insert the patient valve into the tube, if a mask is being used for ventilation, insert the patient valve into the connector on the mask.
  • Page 21 PEEP Valve If a PEEP valve is needed, this should be inserted into the expiration tube on the patient valve. Always follow the valve manufacturer’s directions for use. Bacteria filter If a bacteria filter is used, fit it between the device outlet port and the ventilation tube.

  • Page 22: Using The Ventilator

    3. Select the desired settings for the ventilation (note “5.2 Selecting the ventilation settings“ on page 23). 4. Switch on the MEDUMAT Standard with ON/ OFF switch. The ventilator will then run a self test lasting approx. 2 seconds. If no errors are found, the four LED’s in alarm...

  • Page 23: Selecting The Ventilation Settings

    5.2 Selecting the ventilation settings The settings can be selected either before or after the MEDUMAT Standard must MEDUMAT Standard is switched on. We recommend never be used selection before switching on to prevent unneces- simultaneously sary waste of oxygen.
  • Page 24 Respiratory frequency 1. The respiratory frequency can be set with regulator knob. Minute volume 1. The minute volume can be set with regulator knob. Recommendations for the Respirator frequency and the Minute volume: MV (l/min) Toddler Child Adult yellow orange brown Body weight 10 - 30 kg...

  • Page 25: Performing Ventilation

    If the set level is reached, e.g., in cases where com- pliance is inadequate, MEDUMAT Standard sets off a stenosis alarm (note “ Stenosis alarm“ on page 29). 5.3 Performing ventilation...

  • Page 26: Monitoring Ventilation

    No Air Mix an increase in ventilation pressure at constant vol- ume. For details of how MEDUMAT Standard reacts in the Air Mix setting, please refer to Section “11.2 O2 content when using Air Mix” on page 62.

  • Page 27: Ventilation With Peep Valve

    5.5 Ventilation with PEEP Valve A PEEP valve can be fitted to the expiration tube on the patient valve with an adapter. This valve makes it possible to use positive end- expiratory pressure (PEEP). 5.6 Ventilation with HME filter A conventional heat and moisture exchange (HME) filter with standard 15/22 mm connectors can be fitted on the inspiration tube of the patient valve for hygienic purposes and to condition the inspired air.

  • Page 28: Terminating Ventilation

    2. Close the valve of the oxygen cylinder. air that can cause corrosion. 3. Switch off MEDUMAT Standard. ON/OFF switch must be kept pressed down for at least 2 seconds until the LEDs in the alarm panel light up. This is a safety device to prevent the ventila- tor from being switched off unintentionally.
  • Page 29 Actual ventilation pressure exceeds the level set with regulator knob max. ventilation pressure. Up to Serial No. 7699 MEDUMAT Standard switches to expiration immedi- ately if the maximum ventilation pressure is exceeded. This does not affect the set frequency. Old appliances (up to serial no.7699) that have been given a new...
  • Page 30 MEDUMAT Standard has dropped to less than 2.7 bar. The reason is usually an almost empty oxygen cylinder. In this case MEDUMAT Standard will no longer func- tion correctly because the operating parameters will not lie within the permissible limits.

  • Page 31: Calculation Of Oxygen Content/Remaining Operating Time

    -content = 1000 l; MV = 11 l/min; 100% O No Air Mix This gives the following equation: 1000 l Real ventilation time(min) -------------------- - ¥ --------------- - 91 min 1 h 31 min 11 l/min 100% The real ventilation time is prolonged when MEDUMAT Standard is switched to Mix. Using the ventilator...

  • Page 32: Alternative Ventilation Procedures

    5.11 Alternative ventilation procedures If MEDUMAT Standard ceases to function during a ventilation procedure, the following alternatives can be applied: Ventilation bags 1. Remove the patient valve from the tube or the mask. 2. Replace it with the ventilation bag, e.g. a WEIN- MANN Emergency COMBIBAG WM 11000, and perform manual ventilation.

  • Page 33: Hygienic Preparation

    6.1 MEDUMAT Standard MEDUMAT Standard’s outer casing simply needs to be wiped with a dry or damp cloth. Never immerse MEDUMAT Standard in disinfectant or other fluids. Just wipe over with disinfectant. Oth- erwise damage may be caused to the device, thus endangering users and patients (note “6.6 Cleaning,...

  • Page 34: Patient Valve

    6.2 Patient valve 1. Disconnect the patient valve from the hoses. 2. Dismantle the patient valve as shown in the ad- jacent diagram. It is neither necessary nor per- missible to remove the membrane in the spontaneous breathing nozzle for cleaning and disinfection.

  • Page 35: Hose System

    6.3 Hose system Caution! Only reusable hose system WM 22520 (scope of supply) is suitable for the hygienic preparation de- scribed here. Do subject disposable hose system WM 28110 available as an accessory to hygiene preparation. Replace it with a new one. Ventilation hose 1.

  • Page 36: Components And Accessories

    3. Draw the disinfectant solution through the pressure gauge tube into the syringe until the latter is full. Do not flush through the pressure gauge tube in the opposite direction! 4. Detach the syringe from the pressure gauge tube and empty it out completely. 5.

  • Page 37: Fittings

    Otherwise explosions might occur. 6.6 Cleaning, disinfecting and sterilizing The hygienic preparation should be performed on MEDUMAT Standard and the accessories used as de- scribed in the following table. Always follow the directions for use supplied with ®...
  • Page 38 Internet brochure at www.weinmann-emergency.de. Description of Thermal Cleaning Disinfection Sterilization component disinfector Wipe with a dry or MEDUMAT Standard Wiping Not permissible damp cloth permissible Patient valve Steam In warm water with Silicone ventilation Immerse in a weak...

  • Page 39: Functional Checks

    Before carrying out the functional check on MEDUMAT Standard, you must connect up the ven- tilation tube and the patient valve. MEDUMAT Standard must not be used if the func- tional checks reveal defects or deviations from the selected parameters.

  • Page 40: Obligatory Checks

    N.B. Ensure that the test bag is not damaged and test its function regularly, e.g. in the context of device servicing. 7.1 Obligatory checks Before each use: • Carry out a functional check. After each use or dismantling: • Clean, disinfect or sterilize the ventilator and its components (note “6.

  • Page 41: Check For Leaks In The System

    Bubbles will form at the site of the leak. 3. Depressurise the system: To do this, first close the oxygen cylinder. Switch on MEDUMAT Standard briefly until the pres- sure gauge on the O cylinder reads “ “. Then switch MEDUMAT Standard off again.

  • Page 42: Checking Patient Hose System

    7.3 Checking patient hose system Checking reusable hose system 1. Dismantle the patient valve. 2. Carry out a visual check of all the components for cracks or other physical damage. Crinkled, sticky or misshapen lip membranes must be changed immediately. They must never be used during ventilation as they can cause serious functional disturbances.

  • Page 43: Checking The Minute Volume

    The number should lie between 38 and 42. Check the breath volume 1. MEDUMAT Standard must be switched off and the oxygen cylinder must be open. 2. Place the bag from test kit WM15335 on to the patient valve.

  • Page 44: Check Of Maximal Ventilation Pressure

    3 L/min – 60 mbar – No Air mix 8. Switch on MEDUMAT Standard and close the patient connection to the patient valve. A stenosis alarm should be set off. 9. Switch MEDUMAT Standard off again. N.B. Instead of the test bag you can also use a respiro- meter (see accessories) to check the breath volume.
  • Page 45 In this way the pressure needle will swing over and gradually builds up. it will be impossible to ob- Between 15 and 25 mbar MEDUMAT Standard tain an accurate reading. should set off the alarm.

  • Page 46: Check Of Alarm Systems

    2. Remove the tube or the ventilation mask from when the cause of the the patient valve. alarm is repeated in two successive inspiration 3. Switch on MEDUMAT Standard phases. This prevents trig- 4. Set max. ventilation pressure regulator at gering of the alarm by a 60 mbar.
  • Page 47 MEDUMAT Standard is switched on. The energy supply is in order if no alarm is set off when the valve on the oxygen cylinder is opened and MEDUMAT Standard is switched on and starts to function correctly. Functional checks...

  • Page 48: Troubleshooting

    Acoustic alarm and all visual alarms flashing Pressure gauge hose on MEDUMAT Standard is MEDUMAT Standard or on functioning but without Check pressure gauge hose patient valve slipped off any displays Kink in pressure gauge hose...

  • Page 49: Batteries

    8.1 Batteries : Button cell for auxiliary power : Fuse protecting against internal short circuit : 3,6 V lithium battery for main power supply to MEDUMAT Standard MEDUMAT Standard is fitted with two batteries which should always be replaced simultaneously. Troubleshooting...
  • Page 50 The following action should be taken in emergen- cies: Battery replacement 1. Unscrew the back panel of MEDUMAT Standard Important note! (6 cross-slotted screws). In order to prevent damage to the electronics, avoid all 2.

  • Page 51: Cut-Out System

    8.2 Cut-out system MEDUMAT Standard is fitted with a fusible cut-out to protect it against internal short circuits. Changing a fuse 1. Unscrew the back panel of MEDUMAT Standard Important note! (6 cross-slotted screws). In order to prevent damage to the electronics, avoid all contact with the printed circuit board.

  • Page 52: Servicing

    9. Servicing 9.1 Intervals Have the cleaned and disinfected device serviced at regular intervals. Servicing, safety checks ([sicher- heitstechnische Kontrollen or STKs] in accordance with §6 of the German law governing the owners/ operators of medical devices - only applies to Germany) and maintenance measures such as servic- ing and repairs may only be performed by the man- ufacturer or by specialists expressly so authorized by...

  • Page 53: Storage

    9.2 Storage If you do not intend to use MEDUMAT Standard for a long period, we recommend the following storage precautions: 1. Clean and disinfect the ventilator (note “6. Hygienic preparation“ on page 33). 2. Store MEDUMAT Standard in a dry place.
  • Page 54 Emergency or your local authority waste disposal de- partment. Disposing of the patient hose system After use, the patient hose system should be dis- posed of properly with plastics. Servicing...

  • Page 55: Supply Schedule

    G 3/8 connection nut or connector socket to oxygen supply 5. Permanent fixing kit for MEDUMAT Standard 15196 6. Permanent fixing kit for MEDUMAT Standard plus 1 module 15198 7. Permanent fixing kit for a second module 15199 8.

  • Page 56: Spare Parts

    9. PEEP valve with connection socket 3215 10. Patient hose system and patient valve (disposable) 28110 11. Respirometer 0 - 1 und 0 - 100 l/min 4002 12. Ventilation mask, transparent with inflatable silicone rim – for children and adolescents, size 3 5082 13.
  • Page 57 9. Patient valve 3280 consisting of: – connection nozzle to patient hose 3213 – upper control element 3181 – Lip membrane 3211 – Bottom control element fitted 3285 consisting of: – Bottom control element for spontaneous breathing 3281 – insert, spontaneous breathing arm 3282 –...

  • Page 58: Technical Data

    11. Technical data MEDUMAT Standard MEDUMAT Standard Dimensions 190x110x90 75 to 2,500 ml, Tiidal volume WxHxD in mm inc. connections infinitely variable Weight inc. accessories approx. 1.1 kg MV tolerances: room temp. (20 °C) ±20% Prod. category II b –18 °C to +60 °C ±20%...
  • Page 59 MEDUMAT Standard MEDUMAT Standard Patient valve dead 12.8 ml (reusable) – Spiral silicone NW 10 space 8 ml (disposable) Ventilation hose – PVC hose DN 8, disposable Materials used for PC, silicone, PVC, PP, PS, disposable hose Degree of ®...

  • Page 60: Pneumatics

    11.1 Pneumatics exp.-insp. amplifier valve input pressure 2.7 - 6 bar pressure regulator frequency regulator exhaust valve regulator valve manometer P/E converter injector unit patient valve non-return valve P/E converter relief valve A/D converter air mix valve evaluation electronics valve rocker air inlet The input pressure at p is max.
  • Page 61 through V7. The air-oxygen mixture flows to the patient valve. Expiration/Air Mix or No Air Mix Another electrical impulse closes V2. Exhaust valve V4 opens and exhausts injector unit V9. The patient breathes out through the patient valve. Patient valve Patient Inspiration The respiratory gas flows into the patient’s airways...

  • Page 62: Content When Using Air Mix

    11.2 O content when using Air Mix The following diagram shows the oxygen concentra- tion prevailing at various counter-pressures and min- ute volumes when is switched on. . Air Mix 10 mbar counter-pressure 15 mbar counter-pressure 30 mbar counter-pressure Minute volume (l/min) 11.3 Switching from Air Mix to No Air Mix The injector unit is switched off when switching from...
  • Page 63 unit is switched on. This reduces minute volume which can lead to the set pressure limit being under- . In this case, set minute volume correspondingly shot higher Technical data...

  • Page 64: Warranty

    12. Warranty WEINMANN Emergency gives the customer a limited manufacturer warranty on new genuine WEIN- MANN Emergency products and any replacement part fitted by WEINMANN Emergency in accordance with the warranty conditions applicable to the prod- uct in question and in accordance with the warranty periods from date of purchase as listed below.
  • Page 68 WEINMANN Emergency Medical Technology GmbH + Co. KG Frohboesestraße 12 22525 Hamburg GERMANY E: customerservice@weinmann-emt.de www.weinmann-emergency.de T: +49 40 88 18 96-120 F: +49 40 88 18 96-481 Center for Production, Logistics, Service WEINMANN Emergency Medical Technology GmbH + Co. KG...

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