Small Lumen Ventilation

Both Ventinova's Evone and Ventrain enable ventilation through small lumen. In this particular case we use Ventrain as an example to explain the ventilation principle.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As shown in the cross section of Ventrain above, the gas flows via the inlet (1) through a very narrow nozzle (2) and exhaust pipe (3) to the outside. The flow entrains gas from port (4), which is connected to a catheter: active expiration. Insufflation occurs by closing the exhaust pipe. The bypass (5) functions as an on/off switch. When opened, there is no significant positive or negative pressure at the catheter tip, resulting in equilibration/safety mode.
The gas supply should be a high-pressure source, as acceleration of the gas flow in the nozzle requires approximately 2 bar at 15 L/min. However, the pressure at the distal end of the airway device connected to Ventrain will not be higher than needed to provide the inspiration flow set on the flow regulator.

 

The ventilation principle of Evone and Ventrain is designed for an obstructed airway. Therefore, it combines the advantages of conventional ventilation with jet ventilation: small tubes similar to the ones used in jet ventilation can be applied. But, similar to conventional ventilation, the remaining airway does not need to be open.

 

 

©2017 Evone, Ventrain, Cricath and Tritube are registered trademarks of Ventinova Medical B.V. All rights reserved.

 

 

 

 

 

Products

  • Evone

    Ventinova's mechanical ventilator Evone is unique in controlling the inspiration as well as the expiration during the artificial ventilation of a patient.

    Read more
  • Tritube

    Tritube is an ultra-thin ventilation tube for adult patients. It provides easy access to the airway, a secured airway and a spacious surgical site.

    Read more
  • Ventrain

    Ventrain  not only supplies oxygen during the inspiration phase, but also actively removes gas from the lungs with Expiratory Ventilation Assistance.

    Read more
  • Cricath

    Cricath is a flexible 2 mm needle catheter for quick and easy cricothyrotomy. A number of smart features result in easier handling and reduced risk of kinking.

    Read more
Read more

Applications

  • Emergency

    A patient with severe facial trauma has a completely obstructed upper airway. Mask ventilation fails, and the 3rd intubation attempt remains unsuccessful. Time is running out…

     

    Read more
  • Upper Airway Surgery

    Ventrain ventilation offers the solution in difficult airway situations: it enables secure ventilation and a better view on the surgical site.

    Read more
  • Ventilation during lung separation procedures

    Evone and Ventrain enable full ventilation of the non-dependent lung through a double lumen tube or a bronchial blocker without unwanted re-inflation of the collapsed lung.

    Read more
Read more