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Vessel sealing system

  • US 6,398,779 B1
  • Filed: 09/30/1999
  • Issued: 06/04/2002
  • Est. Priority Date: 10/23/1998
  • Status: Expired due to Term
First Claim
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1. A system for electrosurgically sealing tissue, comprising an electrosurgical generator comprising an RF energy source and a controller for controlling the operation of electrosurgical generator, said electrosurgical generator having an output for coupling to a surgical instrument comprising electrodes for coupling RF energy generated by said electrosurgical generator to tissue to be sealed;

  • said system further comprising a circuit that is coupled to said output of said electrosurgical generator for protecting said output against an overvoltage condition, said circuit comprising a suppressor that detunes a tuned resonant circuit at said output for reducing a magnitude of a voltage appearing at said output.

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