Surgical instrument comprising a replaceable cartridge jaw

  • US 10,433,840 B2
  • Filed: 04/18/2016
  • Issued: 10/08/2019
  • Est. Priority Date: 04/18/2016
  • Status: Active Grant
First Claim
Patent Images

1. A surgical stapling assembly, comprising:

  • a shaft portion, comprising;

    a frame defining a longitudinal axis; and

    an attachment pin extending from said frame;

    a firing member movable along said longitudinal axis;

    an anvil jaw extending fixedly from said frame; and

    a staple cartridge jaw completely attachable to and detachable from said frame, wherein said staple cartridge jaw comprises;

    a cartridge body comprising staple cavities;

    staples removably stored in said staple cavities, wherein said firing member is movable through a firing stroke to eject said staples from said staple cavities;

    an attachment recess configured to receive said attachment pin when said staple cartridge jaw is attached to said shaft portion; and

    a proximal end comprising a shoulder, wherein said shoulder is configured to block said firing member from performing said firing stroke if said staple cartridge jaw is improperly attached to said shaft portion.

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