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RF tissue sealer, shear grip, trigger lock mechanism and energy activation

  • US 10,111,699 B2
  • Filed: 12/22/2014
  • Issued: 10/30/2018
  • Est. Priority Date: 12/22/2014
  • Status: Active Grant
First Claim
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1. An electrosurgical instrument for operating on tissue, comprising:

  • a first arm comprising a first handle and a first jaw;

    a second arm pivotally connected to the first arm, the second arm comprising;

    a second handle;

    a second jaw comprising an electrode operable to deliver radio frequency (RF) energy to tissue;

    an energy button operable to activate the RF energy;

    a knife configured to translate within slots defined in the first and second jaws; and

    a push plate operably connected to the knife such that a proximal motion of the push plate extends the knife and a distal motion of the push plate retracts the knife; and

    a knife lockout mechanism comprising a first end of a movement arm pivotally connected at a first end of the first arm, wherein the movement arm is operable to prevent operation of the knife.

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