Patent attributes
A stapling device is described which includes a tool assembly having an anvil assembly and a cartridge assembly movably supported in relation to the anvil assembly. The cartridge assembly includes a cartridge body defining a tissue contact surface and a plurality of retention slots which open onto the tissue contact surface. The cartridge body defines a plurality of recesses wherein each of the recesses is associated with one of the plurality of retention slots. A staple magazine is positioned within each of the recesses, and includes a plurality of staples. At least one biasing member is supported adjacent each of the recesses and is positioned to urge the staple magazine towards a respective one of the retention slots. A plurality of pushers is movably supported within the cartridge body between a lower position and a raised position. Each of the plurality of pushers is positioned to engage and eject at least one of the staples of the staple magazine from the retention slots. The at least one biasing member is positioned to obstruct 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.