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Electrosurgical electrode with a conductive, non-stick coating

  • US 5,925,043 A
  • Filed: 04/30/1997
  • Issued: 07/20/1999
  • Est. Priority Date: 04/30/1997
  • Status: Expired due to Term
First Claim
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1. An electrosurgical instrument for use in surgical procedures where it is desired to cut or cauterize tissue utilizing radio frequency energy, and wherein the electrosurgical instrument is comprised of:

  • a substrate having at least one cutting edge, and wherein the substrate is adapted to be electrically coupled to a source of radio frequency energy which can be directed to the at least one cutting edge; and

    a continuous, conductive, ceramic coating disposed on the substrate to thereby cover the at least one cutting edge with an amorphous coating which can flex with the substrate without damaging the continuity of the continuous ceramic coating.

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