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An IMV setup without a compressed air source
Critical Care Medicine
|July 1, 1977
Summary
This study presents a novel setup for intermittent mandatory ventilation (IMV) using a Bird Mark 7 respirator. This method eliminates the need for oxygen blenders and compressed air, offering wider FIO2 ranges and high flows.
Area of Science:
- Medical Devices
- Respiratory Therapy
- Mechanical Ventilation
Background:
- Intermittent mandatory ventilation (IMV) typically requires an air-oxygen blender and compressed air.
- Older ventilators or remote locations may lack necessary compressed air sources for IMV.
Purpose of the Study:
- To describe an alternative arrangement for implementing IMV without an oxygen blender or compressed air source.
- To evaluate the feasibility of using a modified Bird Mark 7 respirator in IMV systems.
Main Methods:
- A Bird Mark 7 respirator was modified by removing its pneumatic clutch.
- The modified respirator was integrated into an intermittent mandatory ventilation assembly.
Main Results:
- The described arrangement successfully produced wide FIO2 ranges and high gas flows.
- This setup obviated the need for a traditional oxygen blender and compressed air source.
Conclusions:
- The modified Bird Mark 7 respirator offers a viable alternative for IMV in settings lacking standard equipment.
- Alternative arrangements may be preferable if a compressed air source is available or the Bird Mark 7 is unavailable.