Special Ventilation Functions

Two rescuers give artificial respiration and cardiac massage

Special challenges require special support: Cardiopulmonary resuscitation and anesthesia induction pose a particular challenge in a prehospital setting. 

WEINMANN Emergency provides special solutions for these kinds of emergency situation. The CPR and RSI function modes offer users specific support as they perform the individual treatment steps. Automatic availability of the appropriate functions at the right time makes it easier for the ventilator to do its work and supports the workflow, allowing the patient to be treated quickly and efficiently.

Special ventilation functions of WEINMANN ventilators

  • CPR (Cardiopulmonary Resuscitation): CPR mode in MEDUMAT Standard² supports the implementation of cardiopulmonary resuscitation.
  • RSI (Rapid Sequence Induction): RSI mode in MEDUMAT Standard² is precisely tailored to the sequence of emergency anesthesia and intubation.
  • Manual mode: Manual mode is optimized for cardiopulmonary resuscitation and serves as a substitute for the bag-valve mask. It can also be used for auscultation during anesthesia induction. It is equally suitable for manual ventilation during resuscitation using MEDUVENT Standard.

CPR: Cardiopulmonary Resuscitation

The special function for resuscitation

CPR mode guides users through the resuscitation sequence. In Manual CPR mode, the mechanical breaths can be initiated manually by pressing a button on the ventilation mask itself.

The mechanism for initiating mechanical breaths, the MEDUtrigger, is located on the mask itself. The MEDUtrigger is convenient to operate whilst keeping the mask sealed using the double-C grip. This means that only one person is required to perform ventilation during CPR. It also ensures that a constant tidal volume is delivered at a maximum ventilation pressure.

The benefits of mechanical ventilation can thus also be accessed during manual ventilation - compared to ventilation with a bag-valve mask: Pressure limitation, fixed tidal volume, and alarms make ventilation safer. As soon as the airway is secured, you switch straight from manual ventilation to continuous ventilation.

CPR mode also provides special functions such as displaying CPR time and deactivating irrelevant alarms. This function is unique and appears exclusively in the MEDUMAT Standard² ventilator from WEINMANN.

Resuscitation with CPR mode from WEINMANN Emergency is not just effective, it’s also simple to carry out. For the best possible care, we recommend using CPR mode in combination with CCSV ventilation mode.

According to the ERC Guidelines, high-quality chest compressions with minimal interruption take top priority during resuscitation. CCSV makes continuous chest compressions like this possible, whilst simultaneously supporting perfusion.

RSI: Rapid Sequence Induction

The special function for anesthesia induction

When it comes to emergency anesthesia and intubation, every treatment step needs to be accurate. RSI mode delivers the functions required at the right time:

  • Pre-oxygenation: In Demand mode, 100% oxygen is delivered to spontaneously breathing patients via the mask.
  • Monitoring of endotracheal tube position: Mechanical breaths can be initiated manually using the MEDUtrigger located on the mask to allow endotracheal tube position to be checked. If the capnography option is activated, it is also possible to check the CO2 level in the exhaled gas.
  • Switching to continuous ventilation: You can switch to continuous ventilation with a single maneuver once the airway has been secured.

The AWMF Guidelines give a central recommended course of action for RSI in prehospital emergency anesthesia. The airway can be secured effectively and the patient given the best possible care.

This function is unique and appears exclusively in the MEDUMAT Standard² ventilator from WEINMANN.
Find out more about the sequence of anesthesia induction with our RSI mode!

Manual mode

The special function as a substitute for the bag-valve mask

On MEDUVENT Standard, Manual mode with the MEDUtrigger can be used as a substitute for the bag-valve mask. Integration of a remote control for initiating mechanical breaths on the mask or endotracheal tube itself means that MEDUtrigger provides the individual delivering treatment with a convenient option for administering mechanical breaths exactly when required. This is a considerable improvement compared to traditional bag-valve masks, especially in the critical initial phases of CPR and RSI. You simply actuate the MEDUtrigger and MEDUVENT Standard delivers a mechanical breath. 

MEDUtrigger modernizes Manual mode and optimizes clinical applications - especially cardiopulmonary resuscitation and anesthesia induction - as follows:

  • Both hands can be used to keep the mask position stable during ventilation.
  • Ventilation can be initiated simply by pressing the button with your thumb.
  • Default ventilation parameters to ensure constant tidal volume and pressure limits make operation safe and straightforward.
  • The system monitors inspiratory minute volume, oxygen concentration, and ventilation rate. In potentially hazardous situations, a warning is issued either by alarm light, by acoustic signal or in text form.
  • This minimizes the risk of both hypoventilation and hyperventilation, as well as of gastric insufflation. In addition, there is always the option of providing the patient with oxygen at any time.

See for yourself the benefits of the MEDUtrigger in MEDUVENT Standard as a substitute for bag mask ventilation.

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