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Surgical apparatus including surgical buttress

  • US 9,295,466 B2
  • Filed: 11/30/2012
  • Issued: 03/29/2016
  • Est. Priority Date: 11/30/2012
  • Status: Active Grant
First Claim
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1. A surgical stapling apparatus, comprising:

  • an end effector having first and second jaw member assemblies, at least one of the first and second jaw member assemblies defining a knife channel for the passage of a knife therethrough, the knife channel including a plurality of lateral recesses extending therefrom, wherein the first jaw member assembly defines a plurality of fastener retaining slots, the second jaw member assembly defining a plurality of fastener forming pockets;

    a plurality of fasteners disposed in the fastener retaining slots of the first jaw member assembly and being configured to be deformed by the fastener forming pockets of the second jaw member assembly; and

    at least one surgical buttress having a body configured to substantially overlie at least one of the fastener retaining slots of the first jaw member assembly, at least some of the fastener forming pockets of the second jaw member assembly, or both;

    wherein portions of the body of the at least one surgical buttress are disposed within the plurality of lateral recesses of the knife channel to secure the at least one surgical buttress to at least one of the first jaw member assembly and the second jaw member assembly, each lateral recess of the knife channel is defined by a plurality of walls, wherein at least two of the plurality of walls of at least one of the lateral recesses taper in opposing directions relative to one another from a buttress receiving end of the respective lateral recess to form a flared configuration, whereby the flared configuration increases retention of a flared plug of the body of the at least one surgical buttress within the respective lateral recess.

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