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Electrosurgical devices with wire electrode

  • US 8,906,012 B2
  • Filed: 06/30/2010
  • Issued: 12/09/2014
  • Est. Priority Date: 06/30/2010
  • Status: Active Grant
First Claim
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1. An electrosurgical device having less than three electrodes, the device comprising:

  • a handle;

    a shaft distal to the handle having a longitudinal axis and a distal end;

    a first electrode and a second electrode adjacent the distal end of the shaft, each electrode having a proximal portion, the first electrode coplanar with the second electrode and comprising a wire electrode having a U-shape which surrounds a perimeter of the second electrode and is spaced from the second electrode by an aperture, and wherein the U-shape of the first electrode is substantially situated in a plane that is substantially parallel with the longitudinal axis of the shaft;

    at least one fluid outlet, wherein the at least one fluid outlet is s aced from said first electrode; and

    wherein the proximal portions of the first and second electrodes are fixed relative to the distal end of the shaft.

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