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Related Experiment Videos

A skin indentation system using a pneumatic bellows

M Ferguson-Pell1, S Hagisawa, R D Masiello

  • 1Center for Rehabilitation Technology, Helen Hayes Hospital, West Haverstraw, NY 10993-1195.

Journal of Rehabilitation Research and Development
|January 1, 1994
PubMed
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A new pneumatic indentation system precisely controls skin loading for physiological studies. This allows for accurate monitoring of tissue responses under known forces, improving experimental conditions.

Area of Science:

  • Biomedical Engineering
  • Physiology
  • Materials Science

Background:

  • Controlled mechanical loading is crucial for studying skin physiology.
  • Existing methods may lack precision or restrict subject positioning.
  • A need exists for advanced systems to apply specific forces to biological tissues.

Purpose of the Study:

  • To develop and validate a novel pneumatic indentation system for applying controlled uniaxial compressive forces to skin.
  • To enable precise monitoring of physiological responses to known loading histories.
  • To facilitate experiments where subjects maintain natural postures.

Main Methods:

  • Utilized a copper bellows-driven pneumatic system for force application.
  • Implemented a closed-loop computer control system with solenoid valves.

Related Experiment Videos

  • Integrated a load cell for real-time force feedback and digital control.
  • Designed the system to avoid gravitational loading.

    • Main Results:

    • Successfully developed a pneumatic indentation system capable of controlled uniaxial skin loading.
    • Demonstrated the system's ability to apply a known loading history to skin.
    • Validated the closed-loop computer control for precise force regulation.
    • Enabled subject positioning without gravitational constraints.

    Conclusions:

    • The developed pneumatic indentation system offers a precise and versatile tool for physiological skin studies.
    • It allows for controlled mechanical stimulation and accurate monitoring of tissue responses.
    • The system enhances experimental flexibility by permitting natural subject postures.