schraubverbindung support and stabilize a rear beckenringfraktur or stabilization and reinforcement of the cross - superior joint with either a gewindestab (1) in conjunction withgewindemuttern or a screw (11), in conjunction with the sacrum, characterized by the fact that between superior and gewindemutter or schraubenkopf a disc (2) isthe superior to the fisheries side (3) of the disc (2) in at least two layers diagonally to each other is trainedwith the oblique winklig to each other are arranged and the disc (2) with an opening (4) of the pedal right to the floor of a sector of gewindestabs (1) and the screw (11) iswith the opening (4) in the direction of superior inside expands the sleeve.
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