Surgical end effector having buttress retention features

  • US 10,856,866 B2
  • Filed: 09/11/2015
  • Issued: 12/08/2020
  • Est. Priority Date: 02/15/2008
  • Status: Active Grant
First Claim
Patent Images

1. A stapling assembly attachable to a surgical stapling instrument, said stapling assembly comprising:

  • a proximal end;

    a distal end;

    a shaft portion including a proximal connector configured to be attached to the surgical stapling instrument;

    a first jaw including an anvil; and

    a second jaw composed of an attachable cartridge assembly, wherein said attachable cartridge assembly comprises;

    a cartridge body;

    a longitudinal slot defined in said cartridge body;

    a deck;

    a plurality of staple cavities defined in said deck, wherein said plurality of staple cavities comprises a proximal staple cavity and a distal staple cavity, and wherein said plurality of staple cavities defines a staple zone between said proximal staple cavity and said distal staple cavity;

    a plurality of staples removably stored in said staple cavities;

    a replaceable implantable layer removably attached to said deck, wherein said replaceable implantable layer comprises an anvil-facing surface; and

    a plurality of connection members positioned adjacent said longitudinal slot, wherein said plurality of connection members are positioned within said staple zone between said longitudinal slot and a said staple cavity, wherein said plurality of connection members are configured to provide a holding force to said anvil-facing surface of said replaceable implantable layer adjacent said longitudinal slot to hold said replaceable implantable layer to said deck when said first jaw and said second jaw are in a clamped configuration, and wherein said plurality of connection members do not extend over said staple cavities.

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