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Lockout mechanisms and surgical instruments including same

  • US 20070102475A1
  • Filed: 11/04/2005
  • Published: 05/10/2007
  • Est. Priority Date: 11/04/2005
  • Status: Active Grant
First Claim
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1. A surgical instrument comprising:

  • a handle portion operably configured to produce a firing motion;

    a channel coupled to the handle portion;

    an anvil pivotally attached to the channel;

    a staple cartridge engaged by the channel and including a plurality of staple drivers and staples, the staple drivers for camming the staples toward the anvil;

    a wedge member proximal to and longitudinally aligned with the staple drivers;

    a reciprocating firing device responsive to the firing motion to progressively drive the wedge member from an unfired position to a fired position; and

    a lockout arm pivotally attached to the channel and operably configured to pivot between a locked position and an unlocked position with respect to the firing device based upon a position of the wedge member.

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