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Instrument for high-frequency treatment and method of high-frequency treatment

  • US 7,052,496 B2
  • Filed: 12/10/2002
  • Issued: 05/30/2006
  • Est. Priority Date: 12/11/2001
  • Status: Expired due to Term
First Claim
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1. An instrument for high-frequency treatment comprising:

  • a first jaw having, on a first holding surface thereof, an active electrode provided with a substantially flat portion and a protruded portion;

    a second jaw having an opposing electrode formed on a second holding surface opposed to the first holding surface; and

    an operation member for opening and closing the first jaw and the second jaw,wherein the opposing electrode includes a portion opposed to said protruded portion and said substantially flat portion of the active electrode, and said opposing electrode has a shape different from that of said protruded portion of the active electrode.

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