DEVICE FOR ATTACHING A ROD OF A OSTEOSYNTHESIS APPARATUS TO A BONE OF A PATIENT

摘要

Device for fixing a stem (9) of an osteosynthesis apparatus on a bone of a patient, comprising a screw (1) provided with a head (3) having a spherical portion, characterized in that comprises a pin (6) snap on said head (3), said pin (6) having a cavity (12) shaped so as to surround the head (3) allowing its rotation in said cavity (12), said cavity (12) ) having means for snapping the pin (6) on the head (3), in that it comprises a connector (8) for the rod (9), said connector (8) having a lateral appendix (18). ) for gripping said stem (9) of the osteosynthesis apparatus, in that it comprises an opening (20) allowing said rod (9) of the osteosynthesis apparatus or the lateral appendage (18), to come into contact with the head (3) of the screw (1), and in that it comprises a nut (8) intended to be screwed onto the threaded rod (7) of the pin (6) and at rea after tightening, locking said device and the stem (9) of the osteosynthesis apparatus.