Fastener cartridge including a layer attached thereto

  • US 10,470,768 B2
  • Filed: 06/30/2014
  • Issued: 11/12/2019
  • Est. Priority Date: 04/16/2014
  • Status: Active Grant
First Claim
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1. A fastener cartridge, comprising:

  • a cartridge body, comprising;

    a deck;

    fastener cavities defined in said deck, wherein said fastener cavities are arranged in a longitudinal row, and wherein said fastener cavities comprise a proximal fastener cavity and a distal fastener cavity in said longitudinal row; and

    projections extending from said deck, wherein said projections are arranged in a longitudinal projection row and define a gradient maximum heights along said longitudinal projection row, wherein said projections comprise a first projection and a second projection, and wherein said first projection is positioned intermediate said proximal fastener cavity and said distal fastener cavity;

    fasteners removably stored in said fastener cavities; and

    a layer of material supported by said deck, said layer of material comprising;

    a layer body; and

    apertures defined in said layer body, wherein said projections are positioned in said apertures, wherein said apertures comprise a first aperture aligned with said first projection intermediate said proximal fastener cavity and said distal fastener cavity, and wherein said first aperture comprises a through hole;

    wherein an interference fit between said first projection and said first aperture is configured to releasably retain said layer of material to said cartridge body at a first location intermediate said proximal fastener cavity and said distal fastener cavity, wherein said first projection is configured to directly engage tissue positioned intermediate said proximal fastener cavity and said distal fastener cavity upon a compression of said cartridge body against tissue to limit tissue flow at said first location intermediate said proximal fastener cavity and said distal fastener cavity, and wherein said second projection is configured to directly engage tissue positioned intermediate said proximal fastener cavity and said distal fastener cavity upon a compression of said cartridge body against tissue to limit tissue flow at a second location intermediate said proximal fastener cavity and said distal fastener cavity.

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