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Electrosurgical instrument employing an electrode

  • US 8,888,776 B2
  • Filed: 06/09/2010
  • Issued: 11/18/2014
  • Est. Priority Date: 06/09/2010
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • a handle;

    a first conductor;

    a second conductor; and

    an end effector, comprising;

    a first jaw;

    a second jaw, wherein one of said first jaw and said second jaw is movable relative to the other of said first jaw and said second jaw between an open position and a closed position;

    a first electrode electrically coupled with said first conductor; and

    a second electrode electrically coupled with said second conductor, said second electrode comprising;

    a porous material comprised of an electrically non-conductive material; and

    an evaporable material comprised of an electrically conductive material and having a boiling point temperature, wherein said evaporable material is stored within said porous material, and wherein said evaporable material is configured to evaporate when the temperature of said evaporable material meets or exceeds said boiling point temperature.

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