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A versatile microprocessor-based multichannel stimulator for skeletal muscle cardiac assist

E A Cheever1, D R Thompson, B L Cmolik

  • 1Department of Engineering, Swarthmore College, Swarthmore, PA 19081, USA.

IEEE Transactions on Bio-Medical Engineering
|January 28, 1998
PubMed
Summary

A new microprocessor-based stimulator enables precise electrical stimulation for skeletal muscle cardiac assist (SMCA). This versatile device offers customizable patterns for improved cardiac support applications.

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Area of Science:

  • Biomedical Engineering
  • Cardiovascular Research
  • Neural Stimulation

Background:

  • Skeletal Muscle Cardiac Assist (SMCA) is an emerging technique for supporting cardiac function.
  • Precise and adaptable electrical stimulation is crucial for effective SMCA.
  • Existing stimulation systems may lack the required flexibility and control.

Purpose of the Study:

  • To design and construct a versatile, microprocessor-based stimulator for SMCA.
  • To evaluate the stimulator's capability for regional muscle stimulation.
  • To demonstrate the stimulator's application in SMCA studies.

Main Methods:

  • Developed a microprocessor-based stimulator with multiple, electrically isolated bipolar electrodes.
  • Enabled delivery of arbitrarily specified electrical stimulus sequences to three nerve branches.

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  • Independently programmed three channels with variable pulse width, amplitude, and interpulse interval.

    • Main Results:

    • The stimulator was successfully designed, constructed, and utilized in multiple studies.
    • Regional muscle stimulation was achieved through isolated electrodes.
    • The system demonstrated flexibility in creating diverse stimulus patterns for SMCA.

    Conclusions:

    • The developed stimulator is a versatile tool for skeletal muscle cardiac assist.
    • Its programmable features allow for tailored stimulation strategies.
    • The device shows promise for advancing SMCA applications.