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A custom-chip-based functional electrical stimulation system

R Broberg1, A Hubbard

  • 1College of Engineering, Boston University, MA 02215.

IEEE Transactions on Bio-Medical Engineering
|September 1, 1994
PubMed
Summary
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This study presents a Functional Electrical Stimulation (FES) system capable of generating complex pulse trains. The system offers precise control over voltage, frequency, and duration for advanced FES applications.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Rehabilitation Technology

Background:

  • Functional Electrical Stimulation (FES) systems are crucial for restoring motor function in individuals with neurological impairments.
  • Existing FES systems often have limitations in terms of programmability and the complexity of stimulation patterns they can generate.

Purpose of the Study:

  • To develop and characterize a novel Functional Electrical Stimulation (FES) system with enhanced capabilities for generating customizable electrical stimulation.
  • To provide a flexible platform for research and therapeutic applications requiring precise control over stimulation parameters.

Main Methods:

  • The system comprises a host computer controlling up to 32 serially connected chips.
  • It enables continuous generation of monophasic constant voltage pulse trains.

Related Experiment Videos

  • Parameters such as voltage (0 V-2.5 V), frequency (0 Hz-1700 Hz), and pulse duration (50 microseconds-200 ms) are adjustable.

    • Main Results:

    • The system successfully generated up to 256 distinct pulse train configurations.
    • Precise control over voltage, frequency, and duration was achieved within specified ranges and step increments.
    • Continuous generation of pulse trains demonstrated the system's stability and reliability.

    Conclusions:

    • The developed FES system offers a versatile and highly programmable platform for advanced neuromodulation.
    • Its capacity for generating complex stimulation patterns has significant potential for research in motor control and clinical applications in neurorehabilitation.