#$%^&*AU2016231481A120170427.pdf#####ADAPTER ASSEMBLY FOR SURGICAL DEVICE ABSTRACT An adapter assembly (100) for operably connecting an end effector (30) to a surgical instrument, the adapter assembly (100) comprising: a drive coupling assembly (110)； a first drive assembly (120) operably connected to the drive coupling assembly (110), the first drive assembly (120) including a rotatable drive shaft and defining a longitudinal axis； a second drive assembly (130) operably connected to the drive coupling assembly (110), the second drive assembly (130) including a first pair of rotatable drive shafts (133), wherein a first shaft (132) of the first pair of rotatable drive shafts (133) rotates in a first direction and a second shaft (134) of the first pair of rotatable drive shafts (133) rotates in a second direction； and a third drive assembly (140) operably connected to the drive coupling assembly (110), the third drive assembly (140) including a second pair of rotatable drive shafts (143), wherein a first shaft (142) of the second pair of rotatable drive shafts (143) rotates in a first direction and a second shaft (144) of the second pair of rotatable drive shafts (143) rotates in a second direction.1/10 C~C14 c-i LO
