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Electrosurgical plenum

  • US 8,591,508 B2
  • Filed: 10/15/2009
  • Issued: 11/26/2013
  • Est. Priority Date: 08/15/2001
  • Status: Active Grant
First Claim
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1. An electrosurgical tool comprising:

  • a lumen;

    an at least rigid plenum formed from a non-conductive material and disposed on a distal end of said lumen, said plenum disposed at least partially around a first electrode, said plenum comprising a plurality of openings and said plenum shielding tissue from said first electrode; and

    said first electrode coaxial with a second electrode.

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