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Knife/firing rod connection for surgical instrument

  • US 8,074,862 B2
  • Filed: 05/14/2010
  • Issued: 12/13/2011
  • Est. Priority Date: 06/06/2008
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • a frame;

    an elongate portion extending distally from the frame and defining a longitudinal axis;

    a firing rod disposed at least partially within the elongate portion and being translatable with respect to the elongate portion;

    a connector disposed adjacent a distal portion of the firing rod; and

    an end effector arranged at a distal end of the elongate portion, the end effector including a first jaw member, and a second jaw member, the jaw members being movable with respect to each other between an open position and an approximation position, the first jaw member including a cartridge having a knife disposed therein;

    wherein approximation of the jaw members causes the connector to connect with the knife; and

    wherein the connector is configured to disengage the knife when at least one jaw member moves with respect to the other jaw member towards the open position.

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