Patent ID: 9161753
Filing Date: 2015-10-20
Classification: A61B

Abstract:
1. A circular stapling apparatus, comprising: an anvil assembly including an anvil member and a shaft; a tubular body portion having a staple cartridge including a plurality of staple receiving slots defined in a tissue contacting surface of the staple cartridge, each of the plurality of staple receiving slots including a staple disposed therein, and at least one of the plurality of staple receiving slots includes a notch, the shaft of the anvil assembly being connectable to the tubular body portion so that the anvil assembly is movable toward and away from the tubular body portion, the staple cartridge including a staple pusher disposed therein, the staple pusher having a plurality of fingers for driving the staples out of the plurality of staple receiving slots, at least one of the fingers including a protrusion; and a buttress material removably attached to the staple cartridge by at least one anchor releasably retained within the notch, the staple pusher being movable to move the protrusion into engagement with the anchor retained within the notch to push the anchor out from the notch.