Stapling assembly configured to produce different formed staple heights

  • US 10,245,035 B2
  • Filed: 09/08/2015
  • Issued: 04/02/2019
  • Est. Priority Date: 08/31/2005
  • Status: Active Grant
First Claim
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1. A stapling assembly for use with a surgical stapling instrument for stapling and cutting tissue, said stapling assembly comprising:

  • an anvil jaw;

    a firing member, comprising;

    a tissue cutting portion;

    a first camming member; and

    a second camming member; and

    a replaceable cartridge jaw, comprising;

    a proximal end;

    a distal end;

    a tissue-supporting deck, including;

    a first longitudinal step; and

    a second longitudinal step, wherein said first longitudinal step is positioned above said second longitudinal step;

    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 defined in said first longitudinal step;

    a second longitudinal row of staple cavities defined in said second longitudinal step;

    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 jaw; and

    a sled movable from said proximal end toward said distal end, wherein said sled is configured to lift said drivers toward said anvil jaw 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 said first camming member and said second camming member are configured to control the relative position of said replaceable cartridge jaw and said anvil jaw.

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