Patent ID: 9351731
Filing Date: 2016-05-31
CPC Classification: A61B

Claim Text:
1. A staple cartridge for use with a surgical stapling apparatus, the staple cartridge comprising: a cartridge body including a tissue facing surface defining a plurality of staple retaining slots; a staple disposed within each staple retaining slot of the cartridge body; and a substantially circular buttress including an inner portion, an outer portion, and a middle portion extending between the inner portion and the outer portion, the inner, outer, and middle portions all formed from a common material, and at least one stiffened region defined in a portion of the buttress, the at least one stiffened region formed as a plurality of spokes which are compressed regions of the common material that extend radially outward from the inner portion of the buttress to the outer portion of the buttress, the buttress affixed to the cartridge body solely by the plurality of spokes which are directly fastened to the tissue facing surface of the cartridge body.