#$%^&*AU2016201340A120161006.pdf#####CONNECTING END EFFECTORS TO SURGICAL DEVICES ABSTRACT A surgical device comprising: an elongated body portion (120) including an outer tube (122) and an inner shaft assembly (140), the inner shaft assembly (140) having a distal tube (148) defining a non-circular bore in a distal end thereof, the inner shaft assembly (140) being longitudinally movable through the outer tube (122), the outer tube (122) and the distal tube (148) defining corresponding openings extending transversely therethrough; an end effector (130) configured and dimensioned for selective connection to the elongated body portion (120, the end effector (130) including a drive shaft (134b) extending proximally therefrom and defining an annular recess in an outer surface thereof, the drive shaft (134b) having a non-circular transverse cross-sectional profile that is complimentary in shape to the non-circular bore of the distal tube (148); and a detent (170) movable within the openings of the elongated body portion (120), the detent (170) positionable between the annular recess of the drive shaft (134b) and the outer tube (122) of the elongated body portion (120) to connect the end effector (130) to the elongated body portion (120) in response to insertion of the drive shaft (134b) into the non-circular bore of the distal tube (148).C4 C% I -CC% ccJ