Patent ID: 11529138

Abstract:
A powered surgical instrument comprising a housing, an elongate shaft, an articulation joint, a rotary drive member configured to rotate in response to rotary motion from an electric motor, a coupling portion, and a stapling attachment releasably attachable to the coupling portion is disclosed. The stapling attachment is secured to the coupling portion by rotating one of the stapling attachment and the coupling portion relative to the other of the stapling attachment and the coupling portion. The stapling attachment comprises an elongate channel configured to receive a staple cartridge. The stapling attachment further comprises an anvil, a drive screw, and a firing member operably engaged with the drive screw. The coupling portion operably couples the rotary drive member and the drive screw when the stapling attachment is attached to the elongate shaft. The firing member is advanced distally within the stapling attachment when the drive screw is rotated.