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Retainer assembly including a tissue thickness compensator

  • US 9,386,988 B2
  • Filed: 03/28/2012
  • Issued: 07/12/2016
  • Est. Priority Date: 09/30/2010
  • Status: Active Grant
First Claim
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1. A staple cartridge assembly for a surgical stapler, wherein the surgical stapler includes an anvil configured for a facing relationship with said staple cartridge assembly, said staple cartridge assembly comprising:

  • a cartridge body comprising a plurality of staple cavities;

    a plurality of staples positioned within said staple cavities;

    a first tissue thickness compensator;

    a retainer coupled to said cartridge body, wherein said first tissue thickness compensator is positioned intermediate said cartridge body and said retainer, and wherein said retainer is used to deliver said staple cartridge assembly into the surgical stapler when said retainer is coupled to said cartridge body; and

    a second tissue thickness compensator attached to at least one of said retainer and said first tissue thickness compensator, wherein said second tissue thickness compensator comprises an anvil attachment portion, wherein said retainer is positioned intermediate said first tissue thickness compensator and said second tissue thickness compensator, wherein said retainer is configured to be removed from between said first tissue thickness compensator and said second tissue thickness compensator, and wherein said first and second tissue thickness compensators are configured to be captured within said staples and assume different compressed heights within different staples.

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