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Implantable multiprogrammable microstimulator dedicated to bladder control

K Arabi1, M Sawan

  • 1Department of Electrical and Computer Engineering, Ecole Polytechnique de Montreal, Canada.

Medical & Biological Engineering & Computing
|January 1, 1996
PubMed
Summary
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This study presents an implantable microstimulator designed to restore bladder function in spinal cord injury patients. The device offers advanced programmability and reliability for neuromuscular applications.

Area of Science:

  • Biomedical Engineering
  • Neuroprosthetics
  • Implantable Devices

Background:

  • Spinal cord injury often leads to impaired bladder function, affecting quality of life.
  • Existing neuroprosthetic solutions may lack flexibility and adaptability for diverse patient needs.

Purpose of the Study:

  • To introduce a novel implantable multiprogrammable microstimulator for restoring bladder control.
  • To enhance the adaptability and reliability of neurostimulation systems for spinal cord injury patients.

Main Methods:

  • Development of an externally controlled microstimulator powered by radio frequency.
  • Implementation of four independently controlled bipolar (or eight monopolar) channels.
  • Integration of advanced features like waveform generation, frequency combination, and error correction protocols.

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Main Results:

  • The microstimulator offers high reprogrammability and flexibility for various neuromuscular applications.
  • The system is adaptable to patient needs and future algorithm advancements without implant replacement.
  • Enhanced reliability through a forward error detection and correction communication protocol.

Conclusions:

  • The presented microstimulator provides a versatile and reliable solution for restoring bladder function in spinal cord injury patients.
  • The device's design facilitates long-term stability, reduced power consumption, and structural testability.