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Related Experiment Videos

HRC adjustable pneumatic swing-phase control knee

S Nakamura, S Sawamura

    Prosthetics and Orthotics International
    |December 1, 1978
    PubMed
    Summary

    The Hyogo Rehabilitation Centre developed an adjustable pneumatic knee prosthesis. Field tests on 20 cases with Model IV showed limited mechanical issues, demonstrating its effectiveness.

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    Area of Science:

    • Biomedical Engineering
    • Rehabilitation Technology
    • Prosthetics

    Background:

    • The Hyogo Rehabilitation Centre has focused on developing advanced prosthetic devices since 1972.
    • Pneumatic control systems offer potential advantages in prosthetic limb functionality.

    Purpose of the Study:

    • To introduce the HRC Adjustable Pneumatic Swing-Phase Control Knee.
    • To present follow-up study data on the device's performance and reliability.

    Main Methods:

    • Development of a variable-resistance-type pneumatic control device.
    • Field testing of the HRC Adjustable Pneumatic Swing-Phase Control Knee (Model IV) in 20 cases.
    • Longitudinal follow-up studies to assess device performance and mechanical issues.

    Main Results:

    • Successful field tests conducted on 20 cases using Model IV.
    • The device demonstrated a limited number of mechanical troubles during extensive use.
    • Follow-up studies provided data on the long-term performance of the pneumatic knee control system.

    Conclusions:

    • The HRC Adjustable Pneumatic Swing-Phase Control Knee is a viable prosthetic device.
    • The pneumatic control system offers reliable swing-phase control with minimal mechanical failures.
    • Further follow-up studies support the clinical application of this technology.

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