Fluid-assisted electrosurgical device

  • US 7,364,579 B2
  • Filed: 01/23/2007
  • Issued: 04/29/2008
  • Est. Priority Date: 02/22/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A fluid-assisted electrosurgical instrument, comprising:

  • a handle maintaining a tube having a proximal and a distal end, at least a portion of the distal end of the tube being electrically conductive, the tube defining a lumen extending proximally from the distal end of the tube, the lumen being connectable to a source of fluid under pressure, the electrically conductive portion of the tube being connectable to a source of radio-frequency energy; and

    an electrically conductive contact element, wherein a first portion of the contact element is enclosed within the tube at the distal end of the tube and a second portion of the contact element extends distally beyond the distal end of the tube.

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