Stapling system comprising implantable layers

  • US 9,808,247 B2
  • Filed: 06/30/2015
  • Issued: 11/07/2017
  • Est. Priority Date: 09/30/2010
  • Status: Active Grant
First Claim
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1. A stapling system for stapling tissue, comprising:

  • a cartridge, comprising;

    a deck;

    staple cavities defined in said deck; and

    staples removably stored in said staple cavities;

    an anvil configured to deform said staples; and

    a buttress, comprising;

    a first layer comprised of a first absorbable polymer, wherein said first layer comprises a first compactness of first fibers;

    a first medicament embedded in said first compactness of said first fibers of said first layer;

    a second layer comprised of a second absorbable polymer which is different than said first absorbable polymer, wherein said second layer comprises a second compactness of second fibers different than said first compactness of said first fibers, and wherein said second layer co-operates with said first layer; and

    a second medicament embedded in said second compactness of second fibers of said second layer which is different than said first medicament, wherein said second medicament co-operates with said first medicament;

    wherein said first medicament is released at a first rate as a result of said first compactness of said first fibers, and wherein said second medicament is released at a second rate as a result of said second compactness of said second fibers which is different than said first rate.

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