An apparatus for joining two hollow organ sections with an annular array of surgical staples, the apparatus comprising: a staple cartridge component including a plurality of surgical staples in an annular array； an anvil component including an anvil member and a shaft extending therefrom, the anvil member defining a plurality of staple pockets for deforming the surgical staples, the anvil component movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue between the staple cartridge and anvil components； a buttress member concentrically aligned with the plurality of staple pockets defined in the anvil member； and a buttress mount having a core ring and at least one support member radially extending outward to secure the buttress member to the anvil member, the at least one support member at least partially underlying the buttress member to provide support thereto, the buttress mount being arranged so that a portion of the at least one support member is stapled to tissue.
