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An automatic computerized bipolar coagulator for dermatologic surgery

B Bergdahl1, B Stenquist

  • 1Department of Dermatology, Sahlgrenska Hospital, University of Göteborg, Sweden.

The Journal of Dermatologic Surgery and Oncology
|March 1, 1993
PubMed
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A new computerized bipolar coagulator (Coa-Comp/M) prevents tissue sticking during surgery. This automated device offers efficient hemostasis in dermatologic procedures.

Area of Science:

  • Dermatologic Surgery
  • Medical Devices
  • Surgical Technology

Background:

  • Tissue adherence to forceps is a common issue with bipolar diathermy equipment.
  • Existing equipment can cause overheating and tissue damage.

Purpose of the Study:

  • To introduce a novel computerized bipolar coagulator (Coa-Comp/M) with electronic feedback.
  • To evaluate its efficacy in preventing tissue damage and forceps sticking.

Main Methods:

  • The Coa-Comp/M utilizes electronic feedback of tissue impedance for automated coagulation.
  • It operates without the need for a footswitch or hand control.
  • The device was tested over two years in advanced dermatologic surgery.

Main Results:

Related Experiment Videos

  • A log memory tracked coagulation count, effect, and duration.
  • A power setting of 16W proved effective for most vessels.
  • 99% of coagulations were completed in under 1.3 seconds, preventing sticking and charring.

Conclusions:

  • The automated bipolar coagulator significantly reduces procedure time and prevents forceps from sticking.
  • It is a valuable tool for dermatologic surgery requiring frequent hemostasis.