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Surgical stapling apparatus

  • US 8,342,377 B2
  • Filed: 08/14/2012
  • Issued: 01/01/2013
  • Est. Priority Date: 09/23/1997
  • Status: Expired due to Fees
First Claim
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1. A surgical stapling instrument, comprising a tool assembly including an anvil and a cartridge assembly, the cartridge assembly having a plurality of surgical fasteners disposed therein, the tool assembly having an axial drive assembly that includes at least one sheet with a proximal end and a distal end, the distal end defining a vertical strut, and the proximal end an engagement section, the axial drive assembly being movable through the cartridge assembly to drive the surgical fasteners against the anvil, the axial drive assembly having a drive member disposed at the engagement section, and a pivotable locking device at the engagement section, the pivotable locking device being movable with the axial drive assembly and pivotable to engage a locking projection and prevent a subsequent actuation of the surgical stapling instrument.

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