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Surgical stapling instrument having a single lockout mechanism for prevention of firing

  • US 7,044,352 B2
  • Filed: 05/20/2003
  • Issued: 05/16/2006
  • Est. Priority Date: 05/20/2003
  • Status: Expired due to Term
First Claim
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1. A surgical instrument comprising:

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

    an elongate channel coupled to the handle portion;

    an anvil pivotally attached to the elongate channel;

    a staple device engaged by the elongate channel and including a plurality of staple drivers and a wedge member distally positionable in the staple device to cam the staple drivers toward the anvil;

    a firing device responsive to the firing motion to drive the wedge member distally, the firing device including a lower portion having a laterally projecting pin that passes through and engages the elongate channel;

    a lockout disabled by the proximally positioned wedge member and operably configured to prevent distal movement of the pin of firing device.

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