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Gas coagulation device

  • US 5,088,997 A
  • Filed: 03/15/1990
  • Issued: 02/18/1992
  • Est. Priority Date: 03/15/1990
  • Status: Expired due to Term
First Claim
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1. A device for enhancing the safety and efficiency of a hand-operated electrosurgical pencil having an electrode with a distal end defining a tip for cutting or coagulating biological tissue, which device comprises a nose piece having a central axis and a hollow portion extending longitudinally about said axis, which hollow portion is adapted to accommodate said electrode, said nose piece containing conduit means defining at least one pathway for gas, which at least one pathway is disposed at an angle to said central axis so that gas passing therethrough impinges obliquely on said electrode at or near to the tip thereof and means for passing inert gas at a predetermined pressure and flow rate through said at least one pathway.

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