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Electrosurgical cutting and sealing instrument

  • US 8,702,704 B2
  • Filed: 07/23/2010
  • Issued: 04/22/2014
  • Est. Priority Date: 07/23/2010
  • Status: Active Grant
First Claim
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1. An electrosurgical instrument, comprising:

  • a handle;

    an elongate shaft extending distally from the handle;

    a trigger movable between an initial unfired position and a final fired position during a trigger stroke;

    an end effector coupled to a distal end of the elongate shaft, comprising;

    a first jaw member;

    a second jaw member, wherein the first jaw member is movable relative to the second jaw member between an open and a closed position;

    a tissue-cutting element configured to translate with respect to the first jaw member and the second jaw member; and

    an electrode;

    an axially movable cutting member configured to move the first jaw member to the closed position, the tissue-cutting element positioned at a distal end of the axially movable cutting member;

    an electromagnet positioned proximate to the trigger; and

    an electromagnet engaging surface positioned proximate to the trigger, wherein the electromagnet is configured to pause the trigger between the initial unfired position and the final fired position.

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