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System for simultaneous unipolar multi-electrode ablation

  • US 6,346,104 B2
  • Filed: 01/22/1998
  • Issued: 02/12/2002
  • Est. Priority Date: 04/30/1996
  • Status: Expired due to Term
First Claim
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1. A system for ablating tissues, comprising:

  • means for generating RF energy;

    a probe comprising N separate electrodes, each one of the electrodes having a corresponding means for sensing the temperature of said one of the electrodes;

    splitter means for splitting said RF energy from said generating means to said electrodes, said splitter means having N separate channels respectively coupled to said N electrodes; and

    means for independently controlling said splitter means for independently controlling an individual temperature and thereby ablation of tissue at each of said electrodes by using closed loop feedback of the temperature sensed of each of said electrodes by independently regulating the amount of said RF energy to each of said electrodes individually.

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