End effector for use with a surgical fastening instrument

  • US 10,448,952 B2
  • Filed: 08/22/2016
  • Issued: 10/22/2019
  • Est. Priority Date: 09/29/2006
  • Status: Active Grant
First Claim
Patent Images

1. A staple cartridge, comprising:

  • a cartridge body, comprising;

    a proximal end;

    a distal end;

    a knife slot; and

    staple cavities defined in said cartridge body, wherein said staple cavities are arranged in an inner longitudinal row of staple cavities, a middle longitudinal row of staple cavities, and an outer longitudinal row of staple cavities on one side of said knife slot;

    staples removably stored within said staple cavities;

    a proximal staple driver configured to eject a first quantity of staples from said staple cavities;

    an intermediate staple driver positioned distally with respect to said proximal staple driver and configured to eject a second quantity of staples from said staple cavities which is different than said first quantity, wherein said second quantity of staples includes a staple from said inner longitudinal row of staple cavities and a staple from said outer longitudinal row of staple cavities; and

    a distal staple driver positioned distally with respect to said intermediate staple driver and configured to eject a third quantity of staples, wherein said third quantity of staples is the same as said first quantity of staples.

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