Patent ID: 9668734
Date: 2017-06-06
CPC Classifications: A61B

Claim:
1. A tool assembly comprising: an anvil assembly a cartridge assembly movably supported in relation to the anvil assembly, the cartridge assembly including a cartridge body defining a tissue contact surface and a plurality of retention slots which open onto the tissue contact surface, the cartridge body defining a plurality of recesses, each of the recesses being associated with one of the plurality of retention slots; a staple magazine positioned within each of the recesses, the staple magazine including a plurality of staples; at least one biasing member supported adjacent each of the recesses, the at least one biasing member being positioned to urge the staple magazine towards a respective one of the retention slots; a plurality of pushers movably supported within the cartridge body between a lower position and a raised position, each of the plurality of pushers being positioned to engage and eject at least one of the staples of the staple magazine from the retention slot; wherein the at least one biasing member is positioned to prevent movement of the pusher from the lower position to the raised position after the plurality of staples of the staple magazine have been ejected from a respective one of the retention slots.