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Related Experiment Videos

Polychrest: a development system for radio-frequency-coupled implants.

P E Donaldson

    Journal of Biomedical Engineering
    |April 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

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    This study introduces "Polychrest," a method for quickly generating design data for radiofrequency (RF) coils used in neurological prosthetic implants. This facilitates the development of efficient wireless energy transfer systems for medical devices.

    Area of Science:

    • Biomedical Engineering
    • Electrical Engineering
    • Materials Science

    Background:

    • Inductively-coupled neurological prosthetic implants require specialized radiofrequency (RF) coils.
    • Unusual RF coil designs, such as square spiral inductors, lack readily available empirical design equations.
    • Developing effective wireless energy transfer systems for implants is challenging due to these design complexities.

    Purpose of the Study:

    • To present a novel method, 'Polychrest,' for the rapid experimental generation of ad hoc design data.
    • To address the difficulty in finding published empirical design equations for unique RF coil geometries.
    • To accelerate the development and understanding of working models for RF-coupled energy-transfer systems in neurological prosthetics.

    Main Methods:

    Related Experiment Videos

  • Utilized 'Polychrest' for the experimental generation of design data.
  • Focused on RF coils with unconventional designs, including thick-film printed square spiral inductors on alumina substrates.
  • Applied the method to RF-coupled energy-transfer systems.

    • Main Results:

    • Successfully enabled rapid generation of ad hoc design data for specialized RF coils.
    • Facilitated the quick development of a working model for study and analysis.
    • Provided a pathway to overcome limitations in existing design methodologies.

    Conclusions:

    • 'Polychrest' offers an efficient solution for designing RF-coupled energy-transfer systems for neurological implants.
    • The method supports the creation of custom RF coil designs where traditional equations are unavailable.
    • Accelerated model development allows for thorough investigation and optimization of implantable device performance.