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Imaginary Impedance Process Monitoring and Intelligent Shut-Off

  • US 20100179538A1
  • Filed: 06/03/2009
  • Published: 07/15/2010
  • Est. Priority Date: 01/12/2009
  • Status: Active Grant
First Claim
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1. An electrosurgical generator for supplying electrosurgical energy to tissue, comprising:

  • sensor circuitry configured to measure at least one of an imaginary impedance and a rate of change of the imaginary impedance of tissue; and

    a controller configured to regulate output of the electrosurgical generator based on the at least one of the imaginary impedance and the rate of change of the imaginary impedance.

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