Tissue thickness compensators

  • US 9,833,242 B2
  • Filed: 12/28/2015
  • Issued: 12/05/2017
  • Est. Priority Date: 09/30/2010
  • Status: Active Grant
First Claim
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1. A surgical stapler, comprising:

  • a staple cartridge comprising a cartridge body comprising a plurality of staple cavities, a plurality of staples positioned within said staple cavities, and a stepped deck surface, wherein said staple cavities are defined in said stepped deck surface;

    an anvil configured for a facing relationship with said cartridge body, said anvil comprising at least one staple forming surface;

    a first tissue thickness compensator removably attached to said cartridge body over said stepped deck surface, wherein said first tissue thickness compensator comprises a stepped bottom surface that substantially matches said stepped deck surface, and wherein said first tissue thickness compensator comprises a first thickness; and

    a second tissue thickness compensator removably attached to said anvil, wherein said second tissue thickness compensator comprises a second thickness, wherein said first and second tissue thickness compensators are configured to be captured within said staples and assume different compressed heights within different said staples, and wherein the sum of said first thickness and said second thickness is at least equal to a minimum thickness which provides adequate tissue thickness compensation within said staples.

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