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Automatic control system for an electrosurgical generator

  • US 20050113819A1
  • Filed: 11/21/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/21/2003
  • Status: Active Grant
First Claim
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1. A system for controlling an output of an electrosurgical generator comprising:

  • a drive circuit for generating an output, the output being responsive to a feedback signal and operatively coupled to at least one electrode of the electrosurgical generator;

    at least one sensing circuit operatively coupled to the at least one electrode for generating at least one signal, the at least one signal corresponding to a value of a waveform present on the at least one electrode;

    a processing circuit for receiving the at least one signal, the processing circuit including associated circuitry for determining a value of the at least one signal;

    a determining circuit in communication with the processing circuit for generating an output signal, the output signal being representative of the value of the at least one signal; and

    a control circuit for generating a feedback signal, the feedback signal representative of a difference between a value of the output signal and a reference value, the feedback signal operatively coupled to the drive circuit.

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