#$%^&*AU2014218388B220181025.pdf#####ADAPTER DIRECT DRIVE TWIST-LOCK RETENTION MECHANISM ABSTRACT A surgical device adapter (200) for coupling an end effector (300) to a handle assembly (100) is disclosed. The surgical device adapter (200) includes: a housing (232) including a proximal end couplable to a distal end of a handle assembly (100)； and a drive coupling assembly (210) and selectively couplable to the handle assembly (100), the drive coupling assembly (210) including a tubular clamping member (250) having at least one flexible member (254), the tubular clamping member (250) movable from a proximal position in which the at least one flexible member (254) is disengaged from the distal end of the handle assembly (100) to a distal position in which the at least one flexible member (254) is engaged to the distal end of the handle assembly (100).2/3 200 210 22 2253 Fig. 4 220 222 218 200 232 B 242 252 3 252 250 258 257 A 20 240 Fig. 6
