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Surgical instrument having distal face with first and second electrodes

  • US 20020049438A1
  • Filed: 06/29/2001
  • Published: 04/25/2002
  • Est. Priority Date: 10/05/1999
  • Status: Abandoned Application
First Claim
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1. A surgical instrument, comprising:

  • a shaft having distal and proximal ends, said shaft defining at least one lumen having at least one aspiration opening at said distal end;

    an active electrode disposed at the distal end of said shaft, said active electrode defining an energy application surface and electrically coupled to a power source; and

    a return electrode coupled to the power supply such that a current path from said active electrode to said return electrode passes over said aspiration opening.

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