Surgical buttress for circular stapling

A surgical stapling apparatus including a releasable surgical buttress, the surgical stapling apparatus comprising:

• a staple cartridge assembly including a tissue facing surface having staple retaining slots defined therein, each staple retaining slot housing a staple therein, and an annular knife disposed radially inwardly of the tissue facing surface;
• an anvil assembly operatively associated with the staple cartridge assembly, the anvil assembly including an anvil member including a tissue facing surface having staple forming recesses defined therein, and an anvil shaft extending from the anvil member;
• and
• a surgical buttress disposed on the tissue facing surface of the staple cartridge assembly or the anvil assembly, the surgical buttress having an annular configuration defining a central aperture therethrough, the surgical buttress including body segments extending radially outwardly about the central aperture in spaced radial relation relative to each other, and a ring segment interconnecting the body segments, a portion of the body segments of the surgical buttress are formed from a first material and a portion of the body segments of the surgical buttress are formed from a second material, the body segments formed from the first material and the body segments formed from the second material alternately positioned around the central aperture.