#$%^&*AU2017200951A120170921.pdf#####Abstract An insertion instrument for expandable spinal implants is disclosed. The instrument comprises: an elongate member including a handle portion on a proximal end thereof and an end effector on a distal end thereof, the end effector configured to be releasably engaged to an expandable spinal implant; a shuttle slidably disposed within a cavity defined in the end effector, the shuttle including a wedged shaped distal end configured to engage an expandable spinal implant; and a worm gear rotatably disposed within the cavity defined in the end effector, the worm gear in mechanical communication with the shuttle such that rotation of the worm gear effectuates movement of the shuttle, wherein distal movement of the shuttle effectuates articulation of an expandable spinal implant.K