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A self-contained life support system designed for use with a portable hyperbaric chamber.

J F Kasic, H M Smith, R I Gamow

    Biomedical Sciences Instrumentation
    |January 1, 1989
    PubMed
    Summary

    A portable hyperbaric chamber, the Gamow Bag, effectively treats acute mountain sickness (AMS). A new self-contained life support system enhances its portability and effectiveness for remote medical use.

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    Area of Science:

    • Altitude Medicine
    • Biomedical Engineering
    • Environmental Health

    Background:

    • Acute mountain sickness (AMS) is a common ailment in high-altitude environments.
    • The Gamow Bag, a portable hyperbaric chamber, offers symptomatic relief for AMS by simulating descent.
    • Current Gamow Bag systems require manual pumping to maintain atmospheric conditions.

    Purpose of the Study:

    • To design a portable, self-contained life support system for the Gamow Bag.
    • To eliminate the need for vigorous manual pumping.
    • To improve the usability and effectiveness of hyperbaric therapy for AMS in remote settings.

    Main Methods:

    • Development of a rebreathing unit that supplies oxygen and removes carbon dioxide.
    • Integration of the life support system into a portable hyperbaric chamber.

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  • Weight and duration testing of the integrated system.

    • Main Results:

    • The self-contained life support system weighs less than six pounds.
    • The complete system (chamber + life support) weighs less than 18 pounds.
    • The unit can maintain a homeostatic atmosphere for six to eight hours.

    Conclusions:

    • The new system significantly enhances the portability and self-sufficiency of hyperbaric treatment for AMS.
    • This innovation is ideal for medical mountain clinics, ski areas, and search and rescue operations.
    • It represents a significant advancement in managing altitude-related illnesses in challenging environments.