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Surgical stapling apparatus with interlockable firing system

  • US 8,875,971 B2
  • Filed: 12/01/2010
  • Issued: 11/04/2014
  • Est. Priority Date: 02/14/2008
  • Status: Active Grant
First Claim
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1. A surgical stapling apparatus, comprising:

  • a handle housing;

    a movable handle portion operably coupled to said handle housing;

    an elongated shaft assembly protruding from said handle housing and having a distal end configured to be removably coupled to a disposable loading unit;

    an actuation shaft interfacing with said movable handle portion such that actuation of said movable handle portion causes said actuation shaft to apply actuation motions to the disposable loading unit coupled to the distal end of the elongated shaft assembly; and

    a firing release trigger supported on said movable handle portion for travel therewith and interfacing with said actuation shaft such that said actuation shaft is longitudinally movable a first predetermined distance in a distal direction to apply a first one of said actuation motions to the disposable loading unit and prevented from further distal travel until said firing release trigger is activated.

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