| 摘要 |
Embodiments of devices for connecting a spinal rod (13) to a vertebra or to two vertebrae are disclosed. In one embodiment, there is provided a first hook (1) having a threaded protrusion (3) for fitting a connector (11) in which the spinal rod is inserted, a second hook (5) , a rod (6) for connecting the two hooks, and structure for immobilizing the ends of the hook-connecting rod on the heads of the hooks. The end (40) of the hook-connecting rod in contact with the first hook may have an oblong aperture (10) , and the structure for immobilizing this end on the head (2) of the first hook may include a nut (15) intended to cooperate with the connector. Also disclosed are embodiments of a spinal osteosynthesis system including such devices. |
