Patent attributes
A surgical stapling apparatus includes a buttress retention assembly. The buttress retention assembly includes a sleeve configured to be detachably coupled with a first jaw member of a tool assembly of the surgical stapling apparatus, and a buttress material. The sleeve includes a proximal hook extending transversely outward from a lateral side of the sleeve, and a mouth including a hook configured to be received in a knife slot of the first jaw member. The mouth includes an inner surface having an inwardly extending boss. The buttress material includes a tab extending transversely outward from a lateral side thereof. The tab defines a proximal slot configured to receive the proximal hook of the sleeve. At least a portion of the distal end portion extends through the mouth of the sleeve. The distal end portion defines a distal slot dimensioned to receive the boss of the sleeve.