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Related Experiment Videos

Prosthetic arm monitoring system using a programmable interface controller.

B A Denaro1, J S Schoenberg, B P Self

  • 1Department of Electrical Engineering, U.S. Air Force Academy, CO 80840, USA.

Biomedical Sciences Instrumentation
|May 12, 2001
PubMed
Summary

A new sensor system objectively measures prosthetic arm wear and hand use in children. This technology provides crucial data beyond subjective feedback for improved prosthetic fitting and function.

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Area of Science:

  • Biomedical Engineering
  • Prosthetics and Orthotics
  • Pediatric Rehabilitation

Background:

  • Children with upper extremity limb deficiency utilize prosthetic arms for daily function.
  • Current assessment methods rely on subjective feedback and controlled settings, lacking objective daily use data.
  • Prosthetic arm costs range from $3,000 to $15,000, necessitating effective use monitoring.

Purpose of the Study:

  • To develop an unobtrusive sensor system for quantifying prosthetic arm wear time and hand activation frequency in children.
  • To provide objective data on prosthesis usage during daily activities.

Main Methods:

  • Development of a sensor system using a programmable interface controller (PIC) with integrated circuitry and memory.
  • The system records daily wear patterns and hand usage at 15-minute intervals.

Related Experiment Videos

  • Components (87g total mass) fit within a child's prosthesis forearm cavity; data is downloadable via a personal computer interface.

    • Main Results:

    • A functional sensor system has been developed and integrated into pediatric prosthetics.
    • The system is capable of recording data for up to three months on a single charge.
    • Controlled trials are currently in progress to validate system reliability.

    Conclusions:

    • The developed sensor system offers an objective method for monitoring prosthetic arm use in children.
    • This technology has the potential to enhance clinical decision-making and improve patient outcomes.
    • Further validation is required to establish widespread clinical reliability.