Stapling assemblies comprising a layer

  • US 10,194,910 B2
  • Filed: 05/27/2015
  • Issued: 02/05/2019
  • Est. Priority Date: 09/30/2010
  • Status: Active Grant
First Claim
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1. A surgical end effector, comprising:

  • an anvil;

    a staple cartridge, comprising;

    a cartridge body comprising a deck;

    a plurality of staple cavities defined in said cartridge body;

    a plurality of staples removably positioned in said staple cavities; and

    a plurality of drivers movably positioned in said staple cavities, wherein each said driver is movable from an unfired position to a fully fired position, and wherein said plurality of drivers comprises;

    a proximal driver comprising a first surface, wherein said first surface is positioned above said deck when said proximal driver is moved to its fully fired position; and

    a distal driver comprising a second surface, wherein said second surface is positioned above said deck when said distal driver is moved to its fully fired position, and wherein said second surface is positioned above said first surface when said proximal driver and said distal driver are in their fully fired positions; and

    a firing element configured to move said drivers from their unfired positions to their fully fired positions during a firing stroke; and

    a layer positioned adjacent to said deck, wherein said layer is configured to be progressively released from said deck during the firing stroke.

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