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Transcutaneous electrical stimulation technology for functional electrical therapy applications.

Milos R Popovic1

  • 1Inst. of Biomater. & Biomed. Eng., Toronto Univ., Ont M5S 3G9, Canada.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|October 20, 2007
PubMed
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A modular hardware platform, Compex Motion, enables versatile functional electrical therapy (FET) for rehabilitation. This programmable system, used with stroke and spinal cord injury patients, allows for customized stimulation sequences for walking, reaching, and grasping.

Area of Science:

  • Rehabilitation Engineering
  • Biomedical Technology
  • Neuroscience

Background:

  • Functional electrical stimulation (FES) is a key rehabilitation therapy.
  • Successful FES application requires modular, portable, programmable, and versatile transcutaneous electrical stimulation technology.
  • Existing technologies may lack the flexibility needed for diverse therapeutic applications.

Purpose of the Study:

  • To present the Compex Motion hardware platform for developing functional electrical therapy (FET) systems.
  • To demonstrate the platform's capability for creating customizable and versatile FET applications.
  • To highlight the system's suitability for various motor rehabilitation needs.

Main Methods:

  • Development of the Compex Motion stimulator, a hardware platform with four expandable, current-regulated stimulation channels.

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  • Programming capabilities allowing arbitrary stimulation sequences controlled by external sensors.
  • Use of exchangeable memory chip-cards for instantaneous changes in stimulator function and FET treatment.
  • Deployment of the Compex Motion system in clinical settings with patients.

    • Main Results:

    • The Compex Motion platform successfully supported the development of numerous FET systems for walking, reaching, and grasping.
    • The system demonstrated programmability for arbitrary stimulation sequences and external sensor integration.
    • The modular design with chip-card memory allowed for rapid adaptation to different FET treatments.
    • The Compex Motion system was utilized with over 60 acute and chronic stroke and spinal cord injury (SCI) patients.

    Conclusions:

    • The Compex Motion hardware platform provides a versatile and modular solution for functional electrical therapy.
    • The system's programmability and expandability facilitate customized rehabilitation protocols.
    • The successful application in stroke and SCI patients underscores its potential in neurorehabilitation.