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Related Concept Videos

Ventilatory Modes01:14

Ventilatory Modes

Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation (NIPPV)
Mechanical Ventilation I: Indication and Settings01:29

Mechanical Ventilation I: Indication and Settings

Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Tracheostomy Suctioning II: Procedure01:23

Tracheostomy Suctioning II: Procedure

Tracheostomy suctioning is a vital nursing procedure that involves removing secretions from the tracheostomy tube to maintain airway patency and prevent respiratory complications. Nurses need to understand the proper technique for tracheostomy suctioning to ensure patient safety and comfort. In this guide, we will outline the step-by-step process for performing tracheostomy suctioning, including preparing the sterile field, donning personal protective equipment (PPE), lubricating and connecting...

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A prototype small-bore ventilation catheter with a cuff: cuff inflation optimizes ventilation with the Ventrain.

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Related Experiment Video

Updated: May 23, 2026

Mechanical Ventilation Boot Camp Curriculum
07:36

Mechanical Ventilation Boot Camp Curriculum

Published on: March 12, 2018

Ventrain: an ejector ventilator for emergency use.

A E W Hamaekers1, P A J Borg, D Enk

  • 1Department of Anaesthesia, Maastricht University Medical Centre, PO Box 5800, 6202 AZ Maastricht, The Netherlands. a.hamaekers@mumc.nl

British Journal of Anaesthesia
|March 23, 2012
PubMed
Summary
This summary is machine-generated.

A new manual ventilator, the Ventrain, can achieve normal adult minute volumes via a 2 mm transtracheal catheter (TTC). This bench study assessed its efficacy for emergency ventilation when intubation is not possible.

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Area of Science:

  • Medical Devices
  • Respiratory Care
  • Emergency Medicine

Background:

  • A novel, manually operated, flow-regulated ventilator (Ventrain) designed for transtracheal catheter (TTC) ventilation is now available.
  • This device utilizes a high-pressure oxygen source for insufflation and suction for exhalation.

Purpose of the Study:

  • To evaluate the efficacy of the Ventrain ventilator in a bench study setting.
  • To determine the performance of the Ventrain when used with a narrow-bore transtracheal catheter.

Main Methods:

  • The study measured driving pressure, insufflation pressure, and suction capacity of the Ventrain at various oxygen flow rates.
  • Minute volume was assessed using an artificial lung connected via a 2 mm inner diameter TTC.

Main Results:

  • Oxygen flows between 6-15 L/min generated driving pressures of 0.5-2.3 bar.
  • Insufflation pressures ranged from 23 to 138 cm H2O, with a maximal subatmospheric pressure of -217 cm H2O.
  • The Ventrain achieved a maximal suction capacity of 12.4 L/min, delivering 5.9-7.1 L/min minute volume through the TTC.

Conclusions:

  • The Ventrain demonstrates potential for achieving adequate minute ventilation in adults via a 2 mm TTC.
  • Further in vivo research is necessary to establish its clinical utility as a portable emergency ventilator for 'cannot intubate, cannot ventilate' scenarios.