#$%^&*AU2016231482A120170504.pdf#####ADAPTER ASSEMBLY FOR SURGICAL DEVICES ABSTRACT An adapter assembly (100) for operably connecting an end effector (30) to a handle assembly (20), the adapter assembly (100) comprising: a coupling assembly (110)； a first drive assembly (120) extending from the coupling assembly (110) and defining a first longitudinal axis, the first drive assembly (120) including a first drive screw (126)； a second drive assembly (140) extending from the coupling assembly (110) and received about the first drive assembly (120), the second drive assembly (140) defining a second longitudinal axis and including a second drive screw (146) in engagement with the first drive screw (126)； and a third drive assembly (160) extending from the coupling assembly (110) and received about the first and second drive assemblies (120 and 140), the third drive assembly (160) defining a third longitudinal axis and including a third drive screw (166) in engagement with the second drive screw (146).1/10 C44 CD" C14
