Patent ID: 8579904
Filing Date: 2013-11-12
Classification: A61F

Abstract:
1. An instrument for positioning an intervertebral implant for the fusion between two vertebral bodies of a vertebral column, comprising: a handle having a proximal end and a distal end; a locking shaft extended from the distal end of the handle; a grasping head at the distal end of the instrument; said locking shaft is cannulated and a stem is hosted inside the cannulated shaft and fixed to the handle; said locking shaft is free to rotate with respect to the stem; said grasping head being formed at the distal end of said stem with a couple of prongs coming close or far one toward the other according to an angular relative rotation of said locking shaft with respect to the stem; wherein said cannulated locking shaft has a distal collar having an internal oval section interfering with the stem during relative angular rotation.