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Electrosurgical device having a tissue reduction sensor

  • US 6,689,131 B2
  • Filed: 03/08/2001
  • Issued: 02/10/2004
  • Est. Priority Date: 03/08/2001
  • Status: Expired due to Term
First Claim
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1. An electrosurgical device comprising:

  • (a) a main body having a proximal end and a distal end;

    (b) a heat delivery modality situated and arranged at the distal end of the main body;

    the heat delivery modality for providing thermal energy to a tissue being treated; and

    (c) a sensor arrangement situated and arranged at the distal end of the main body;

    the sensor arrangement being configured to engage and detect shrinkage of the tissue being treated;

    the sensor arrangement comprising first and second clamping members being situated astride the main body;

    (i) the first clamping member including a first end pivotably connected at the main body and a second end opposite the first end; and

    (ii) the second clamping member including a first end pivotably connected at the main body and a second end opposite the first end;

    (A) each of the second ends of the first and second clamping members being constructed and arranged to engage and detect shrinkage of the tissue being treated such that the first and second clamping members rotate inwardly with respect to one another.

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