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Interlocking buttress material retention system

  • US 8,083,119 B2
  • Filed: 03/18/2011
  • Issued: 12/27/2011
  • Est. Priority Date: 06/18/2007
  • Status: Active Grant
First Claim
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1. A surgical stapler comprising:

  • a pair of jaws including a staple cartridge and an anvil, at least one of the pair of jaws defining a tissue contacting surface defining a tissue contacting plane and a recess formed into the tissue contacting surface and defining a recessed plane, wherein the recessed plane is substantially parallel to and spaced transversely away from the tissue contacting plane, the at least one of the pair of jaws including;

    at least one projection disposed near a distal end of the at least one of the pair of jaws; and

    at least one projection disposed near a proximal end of the at least one of the pair of jaws, wherein the at least one projection disposed near the distal end of the at least one of the pair of jaws and the at least one projection disposed near the proximal end of the at least one of the pair of jaws project transversely from the recessed plane; and

    a staple line buttress material releasably disposed within the recess of the at least one of the pair of jaws, wherein the staple line buttress material does not project above the tissue contacting plane, and wherein the staple line buttress material defines a recess therein for receiving the at least one projection disposed near the distal end of the at least one of the pair of jaws and the at least one projection disposed near the proximal end of the at least one of the pair of jaws.

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