Stapling assembly

  • US 10,463,384 B2
  • Filed: 05/10/2018
  • Issued: 11/05/2019
  • Est. Priority Date: 01/31/2006
  • Status: Active Grant
First Claim
Patent Images

1. A stapling assembly, comprising:

  • an end effector, comprising;

    a cartridge channel;

    an anvil, wherein said anvil is pivotably connected to said cartridge channel and is movable relative to said cartridge channel between an open position and a closed position;

    a replaceable staple cartridge positionable within said cartridge channel, wherein said replaceable staple cartridge comprises;

    staple cavities; and

    staples positioned within said staple cavities;

    a drive screw, wherein said drive screw extends within said cartridge channel;

    a firing member, comprising;

    a knife;

    a first cam member configured to engage said cartridge channel;

    a second cam member configured to engage said anvil; and

    a bearing, wherein said bearing is supported by said drive screw and extends distally relative to said first cam member and said second cam member, and wherein said drive screw is configured to drive said firing member distally during a firing stroke; and

    a wedge sled configured to drive said staples from said staple cavities as said firing member moves distally during said firing stroke.

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