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An inexpensive bipolar stimulator.

C Ediss1, D F Biggs

  • 1Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada.

Journal of Pharmacological Methods
|July 1, 1988
PubMed
Summary
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This study details a new pulse generator for electrical transmural stimulation. The device offers adjustable voltage, current, pulse width, and repetition rate for controlled stimulation protocols.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Physiology

Background:

  • Electrical stimulation is crucial for various physiological studies and therapeutic applications.
  • Precise control over stimulation parameters is essential for effective transmural stimulation.

Purpose of the Study:

  • To describe the design and capabilities of a novel pulse generator for electrical transmural stimulation.
  • To provide a versatile tool for researchers investigating cellular and tissue responses to electrical stimuli.

Main Methods:

  • The pulse generator was designed to produce alternating polarity pulses.
  • Key parameters including voltage (up to 120 V), current (limited to 6 mA), pulse width (1–5 ms), and repetition rate (1.7–40 Hz) are continuously variable.
  • A gate signal input allows for the generation of pulse bursts.

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Main Results:

  • The developed pulse generator successfully produces controlled electrical pulses.
  • The device offers a wide range of adjustable parameters to accommodate diverse experimental needs.
  • The inclusion of a gate signal enables sophisticated stimulation patterns, such as pulsed bursts.

Conclusions:

  • The described pulse generator is a capable and flexible instrument for electrical transmural stimulation.
  • Its adjustable parameters and burst generation capability make it suitable for a variety of research applications in neuroscience and physiology.
  • This device facilitates precise control over stimulation, advancing the study of electrical effects on biological tissues.