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Hyperbaric chamber for evaluating hydrostatic pressure effects on tissues and cells

P M Hogan, H C Ornhagen, T J Doubt

    Undersea Biomedical Research
    |March 1, 1981
    PubMed
    Summary
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    Researchers developed a versatile hydrostatic pressure chamber system for studying pure pressure effects on cells and tissues. This system enables precise control and diverse applications in biomedical research.

    Area of Science:

    • Biomedical Engineering
    • Cell Biology
    • Physiology

    Background:

    • Understanding hydrostatic pressure effects on biological systems is crucial for various research fields.
    • Existing systems may lack the precision or versatility required for pure hydrostatic compression studies.

    Purpose of the Study:

    • To describe a novel chamber system designed for the precise study of pure hydrostatic pressure effects on tissues and cells.
    • To highlight the system's capabilities for various biomedical applications.

    Main Methods:

    • A 7.6-liter chamber system rated up to 400 ATA with sliding doors for accessibility.
    • A cam-driven pump ensuring constant physiological solution flow and versatile test solution compatibility.
    • A specialized tissue bath preventing gas diffusion, coupled with a motorized stage for device placement.

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  • Thermoelectric modules and a feedback amplifier for precise temperature control (±0.05°C).

    • Main Results:

    • The system allows for pure hydrostatic compression of biological samples.
    • Precise temperature control and controlled perfusion are maintained.
    • The chamber facilitates electrical and mechanical studies on cardiac muscle.

    Conclusions:

    • The described chamber system offers a versatile and precise platform for investigating hydrostatic pressure effects.
    • Its design is suitable for a broad spectrum of biomedical research, including cell and tissue physiology studies.