Fastener cartridge assembly comprising a cam and driver arrangement

  • US 10,271,845 B2
  • Filed: 09/10/2015
  • Issued: 04/30/2019
  • Est. Priority Date: 08/31/2005
  • Status: Active Grant
First Claim
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1. A surgical stapling assembly for stapling and cutting tissue, comprising:

  • an anvil;

    a firing member including a tissue cutting portion; and

    a replaceable cartridge, comprising;

    a proximal end;

    a distal end;

    a longitudinal slot extending from said proximal end toward said distal end, wherein said longitudinal slot is configured to receive said firing member;

    a first longitudinal row of staple cavities;

    a second longitudinal row of staple cavities;

    a plurality of first staples positioned in said first longitudinal row of staple cavities;

    a plurality of second staples positioned in said second longitudinal row of staple cavities;

    a plurality of drivers configured to drive said first staples and said second staples against said anvil; and

    a sled movable from said proximal end toward said distal end, wherein said sled comprises;

    a plurality of first rails positioned on a first side of said longitudinal slot; and

    a plurality of second rails positioned on a second side of said longitudinal slot, wherein said first rails are configured to lift said drivers toward said anvil to deform said first staples to a first formed height and said second staples to a second formed height, wherein said first formed height is different than said second formed height, and wherein at least one said first rail comprises a height which is different than the height of another said first rail.

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