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Tissue ablation apparatus and method

  • US 5,871,481 A
  • Filed: 04/11/1997
  • Issued: 02/16/1999
  • Est. Priority Date: 04/11/1997
  • Status: Expired due to Term
First Claim
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1. A radio frequency tissue ablation apparatus for use on a horizontal support surface in connection with a medical procedure on a patient comprising a portable carrying case having a carrying handle, the portable carrying case being adapted to rest upon the horizontal surface, the portable carrying case having a cover with an inner surface and being movable between a generally vertical open position and a generally horizontal closed position when the portable carrying case is resting on the horizontal support surface, the portable carrying case having a keyboard and a primary display panel disposed adjacent the keyboard underlying the cover when the cover is in a closed position and being accessible visually and physically when the cover is in an open position, said primary display panel including a plurality of groups of indicia and a plurality of switches associated with at least certain of the groups of indicia for establishing criteria for those certain groups of indicia, said primary display panel including an additional switch for selecting manual or automatic operation, a graphic display panel carried by the inner surface of the cover, electrical circuitry including a radio frequency generator and a control computer disposed within the portable carrying case and coupled to said keyboard, said primary display panel and said graphic display panel, said portable carrying case having a plurality of ports accessible externally in communication with the electrical circuitry in the portable carrying case and a probe coupled to one of the ports carrying an electrode adapted to penetrate tissue.

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