FIELD : medicine. SUBSTANCE : group of inventions relates to medical equipment. Fastener cartridge can comprise a cartridge body including a deck and a plurality of fastener cavities, wherein each fastener cavity includes an opening in the deck. Fastener cartridge can further comprise a plurality of fasteners, wherein each fastener is at least partially stored within a fastener cavity, and a firing member is movable between a first position and a fired position to eject the fasteners from the fastener cavities. Firing member can comprise a ramp configured to directly engage the fasteners and lift each fastener between a non-lifted position and a lifted position, and wherein the lifted position is located completely above the deck. Fastener cartridge can further comprise an anvil wherein the ramp is configured to overdrive the fasteners against the anvil. EFFECT : facilitating articulation of the end effector relative to a portion of the elongated shaft. 21 cl, 94 dwg