#$%^&*AU2019253797A120200521.pdf#####BUTTRESS FOR CIRCULAR EEA STAPLERS ABSTRACT There is disclosed herein an apparatus (10) for joining two hollow organ sections with an annular array of surgical staples (11) comprising: a staple cartridge assembly (70) configured to support the annular array of surgical staples (11) therein, the staple cartridge assembly (70) including pushers (33) configured to eject the respective surgical staples (11) from the staple cartridge assembly (70), and an outer wall (90) defining a cavity (92) and having a finger (94) deflectably extending over the cavity (92)； an anvil assembly (60) movable relative to the staple cartridge assembly (70) between spaced apart and approximated positions to adjustably clamp the two hollow organ sections between the staple cartridge and anvil assemblies (70, 60)； and a buttress material (100) including an annular body (110) dimensioned to be mounted on a distal surface of the staple cartridge assembly (70), and a tab (150) extending proximally from the annular body (110) such that at least a portion of the tab (150) is wrapped around the finger (94) of the outer wall of the staple cartridge assembly (70), wherein the pushers (33) are movable between a first position in which one of the pushers (33) engages the finger (94) such that the tab (150) of the buttress material (100) wrapped around the finger (94) is secured against the pusher (33), and a second position in which the one of the pushers (33) is disengaged from the finger (94) such that the at least a portion of the tab (150) of the buttress material (100) wrapped around the finger (94) is released from the one of the pushers (33).
