Patent ID: 9241743
Filing Date: 2016-01-26
CPC Classification: A61B

Claim Text:
1. A bone screw extender reattachment system comprising: a bone screw comprising a receiver and a shank including a head; a screw extender assembly comprising an inner sleeve, an outer housing and an extender head, the inner sleeve being coupled to the receiver and positioned within the outer housing, the outer housing comprising spaced apart arms, the extender head being positioned over the outer housing and comprising a locking tab configured to move between an unlocked position in which the outer housing is movable relative to the receiver and a locked position in which the arms engage the receiver such that the outer housing is fixed relative to the receiver; an elongated reattachment rod having a proximal end and a distal end, the distal end having a tip configured to contact the head of the bone screw, the screw extender assembly being configured to slide over the reattachment rod; and a tension plunger having a plunger-type head and an elongated shaft configured to communicate with the screw extender assembly, the tension plunger being positioned over the inner sleeve such that the tension plunger contacts a ledge of the inner sleeve and an inner diameter of the outer housing.