Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Feb 8;54(1):62–70. doi: 10.5114/ait.2022.112889

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © Polish Society of Anaesthesiology and Intensive Therapy

This is an Open Access journal, all articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0). License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.

PMC Copyright notice

Working mechanism of Ventrain. a) Oxygen inlet from high pressure source with flow modulator (1), oxygen flow is accelerated by the narrowing nozzle (2) and exits Ventrain (3), creating a sub-atmospheric pressure at port (4). This port is connected to a small bore lumen (e.g. transtracheal catheter, Tritube) inside the patient’s airway. A bypass (5) is designed to let air in and will activate the device when this bypass is closed. B) Closing port (3) creates an insufflation via (4). c) Opening (3) creates an exhalation (Copyright: Ventinova Medical B.V.)