Patent ID: 9408643
Filing Date: 2016-08-09
CPC Classification: A61B

Claim Text:
1. A polyaxial screw head remobilizer for remobilizing a screw body member relative to a head of a polyaxial bone screw, comprising: a barrel body having a proximal end and a distal end, wherein the distal end of the barrel body further comprises a plurality of prongs for releasably engaging a plurality of yokes of the polyaxial screw body member, so as to center the inner shaft over the head of the screw; a handle assembly coupled to the proximal end of the barrel body; an inner shaft having a proximal end and a distal end, the inner shaft disposed within the barrel body, wherein the distal end of the inner shaft further comprises an engagement feature configured to mate with at least one pocket of a bushing of the screw body member; a slide assembly operably coupled to the barrel body, the slide assembly configured to effect translation of the inner shaft; and a lever extending from the slide assembly, the lever being rotatable to actuate the slide assembly; wherein the inner shaft further comprises a helical trough configured to interact with a pin coupled to the slide assembly so as to rotate the inner shaft as the slide assembly translates along the inner shaft.