Releasable tissue thickness compensator and fastener cartridge having the same

  • US 9,861,361 B2
  • Filed: 02/08/2013
  • Issued: 01/09/2018
  • Est. Priority Date: 09/30/2010
  • Status: Active Grant
First Claim
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1. A fastener cartridge assembly, comprising:

  • a cartridge body comprising a plurality of cavities, wherein said plurality of cavities defines a fastener region;

    a plurality of fasteners, wherein each said fastener is removably positioned in a said cavity within said fastener region, and wherein said plurality of fasteners comprises a proximal most fastener and a distal most fastener;

    a lock moveably positioned in a said cavity within said fastener region, wherein said lock is longitudinally positioned between said proximal most fastener and said distal most fastener;

    a tissue thickness compensator releasably secured to said cartridge body;

    a connector extending from said tissue thickness compensator, wherein said lock holds said connector within said fastener region when said tissue thickness compensator is secured to said cartridge body, wherein said lock releases said connector when said tissue thickness compensator is released from said cartridge body, wherein said lock is moveable from a locked positioned to an unlocked position, wherein said lock holds said connector when in said locked position and releases said connector when moved to said unlocked position; and

    a key configured to move along at least a portion of said cartridge body within said fastener region during a firing stroke, and wherein said key moves said lock from said locked position to said unlocked position during the firing stroke.

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