Patent attributes
A stapling assembly comprising an end effector is disclosed. The end effector comprises a cartridge channel and an anvil, wherein the anvil is pivotably connected to the cartridge channel and is movable relative to the cartridge channel between an open position and a closed position. The end effector comprises a replaceable staple cartridge positionable within the cartridge channel and a drive screw. The end effector also comprises a firing member comprising a knife, a first cam member configured to engage the cartridge channel, a second cam member configured to engage the anvil, and a bearing. The bearing is supported by the drive screw and extends distally relative to the first cam member and the second cam member. The drive screw is configured to drive the firing member distally during a firing stroke and extends through the cartridge channel.
