Fastener cartridge assembly comprising a driver and staple cavity arrangement

  • US 9,848,873 B2
  • Filed: 08/20/2013
  • Issued: 12/26/2017
  • Est. Priority Date: 08/31/2005
  • Status: Active Grant
First Claim
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1. A surgical staple cartridge assembly, comprising:

  • an anvil comprising a plurality of forming pockets;

    a staple cartridge jaw comprising a cartridge housing;

    a longitudinal knife channel dividing said cartridge housing into a first side and a second side;

    a first longitudinal row of staple pockets located on said first side of said cartridge housing, wherein said first longitudinal row of staple pockets is adjacent said longitudinal knife channel;

    a second longitudinal row of staple pockets located on said first side of said cartridge housing, wherein said second longitudinal row of staple pockets is adjacent to said first longitudinal row of staple pockets, and wherein said staple pockets in said first longitudinal row are staggered distally with respect to said staple pockets in said second longitudinal row;

    a third longitudinal row of staple pockets located on said first side of said cartridge housing;

    staples removably positioned within said staple pockets;

    a staple driver configured to drive a first staple out of a staple pocket in said first longitudinal row and a second staple out of a staple pocket in said second longitudinal row and, in cooperation with said anvil, deform said first staple to a first fired height and said second staple to a second fired height, wherein said first fired height is shorter than said second fired height to provide a smaller tissue compression space within said first staple than said second staple; and

    a firing member comprising a first portion configured to engage said anvil and a second portion configured to engage said staple cartridge jaw, wherein said first portion comprises a pin extending laterally therefrom, wherein said anvil comprises a longitudinal slot comprising a T-shaped opening configured to receive said pin of said firing member, and wherein said T-shaped opening extends behind said forming pockets corresponding to said first longitudinal row of staple pockets.

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