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Thermode for deep focal cooling.

A Simpson1, H Onimaru, I Homma

  • 1Showa University Medical School, Second Department of Physiology, Tokyo, Japan.

Brain Research Bulletin
|October 1, 1988
PubMed
Summary
This summary is machine-generated.

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A novel cooling thermode enables precise, reversible lesioning of deep brain structures with minimal damage. This smaller, cost-effective device offers simpler construction and operation for neuroscientific research.

Area of Science:

  • Neuroscience
  • Surgical Technology

Background:

  • Deep brain lesioning is crucial for understanding neural circuitry.
  • Existing thermode technologies can be invasive, expensive, and complex.

Purpose of the Study:

  • To describe a novel, miniaturized cooling thermode for precise and reversible deep brain lesioning.
  • To highlight the device's advantages in terms of size, cost, and ease of use.

Main Methods:

  • Development and construction of a cooling thermode utilizing carbon dioxide (CO2) as the cooling agent.
  • Design of two control systems: one inexpensive but complex, the other simpler but more expensive.
  • Testing of the thermode's efficacy and minimal invasiveness.

Main Results:

Related Experiment Videos

  • The cooling thermode achieves reversible lesions in deep brain structures with minimal penetration damage.
  • The device features a small diameter (≥0.3 mm), smaller than previous models.
  • Construction and operation are simpler and less expensive than existing thermodes.
  • CO2 is used in non-toxic, minimal quantities.

    • Conclusions:

    • This cooling thermode represents a significant advancement for neuroscientific research requiring targeted brain lesioning.
    • Its miniaturization, cost-effectiveness, and reduced invasiveness make it a valuable tool for researchers.
    • The device offers flexible control options to suit different laboratory needs.