Extension rod system for expansion of screw-rod implant for fixation of spinal column, has rod extension, extended setting screw and nut, where contour of setting screw is provided in bottom portion such that below turn of thread
Stabverlängerungssystem zur Erweiterung eines bereits bestehenden Schrauben-Stab Implantats zur Fixation der Wirbelsäuledadurch gekennzeichnet,dass es aus einer Stabverlängerung, einer verlängerten Setzschraube und einer Schraubenmutter besteht.The system has a rod extension (1), an extended setting screw (2) and a nut (3). A workpiece is divided into a connection piece portion (6) and an extension bar (7). The connection piece portion comprises a bore for receiving a tulip head of a bone screw of a screw rod system. A recess is provided for rod projection of the screw rod system through a bore of the connection piece portion from direction of the extension bar extending from the rod. A contour of the setting screw is provided in a bottom portion such that below a turn of a thread.
