Patent attributes
An electromechanical surgical system includes an electromechanical surgical device, an adapter assembly, and a surgical loading unit. The adapter assembly includes a rotatable drive sleeve configured to receive a rotatable drive connector of the surgical device, a single rotatable drive shaft rotatably connected to the drive sleeve, and a gear disposed around a distal end of the drive shaft. The loading unit includes a cartridge jaw including a mounting portion defining a receiving channel, a power screw disposed within the receiving channel, a gear member mounted on a proximal portion of the power screw and operably engagable with the gear of the adapter assembly, and a locking mechanism disposed within the mounting portion for locking the loading unit to the adapter assembly that is movable between an unlocked position when the cartridge jaw is free of a cartridge and a locked position when a cartridge is loaded therein.
