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Tissue thickness compensator comprising channels

  • US 9,351,730 B2
  • Filed: 03/28/2012
  • Issued: 05/31/2016
  • Est. Priority Date: 04/29/2011
  • Status: Active Grant
First Claim
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1. A compensator attachable to an anvil of a fastening instrument, wherein the anvil includes a forming surface and a longitudinal slot configured to receive a cutting member, and wherein said compensator comprises:

  • an inner lateral edge and an outer lateral edge;

    a longitudinal channel configured to be positioned in the longitudinal slot in the anvil, wherein said longitudinal channel defines said inner lateral edge;

    a compensator pack, comprising;

    a first layer comprising a tissue contacting surface;

    a second layer attached to said first layer; and

    an array of capillary channels defined in said tissue contacting surface, wherein said array of capillary channels extends between said inner lateral edge and said outer lateral edge; and

    an attachment portion configured to be attached to the anvil.

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