| 摘要 |
<p>A spinal fixation and retrieval device includes a bone plate and a plurality of screws. The bone plate has a plurality of slot holes via which the screws are fastened onto vertebrae under treatment. The screws have a head, a neck, and a threaded stem in sequence. At least one of the slot holes of the bone plate is a long slot hole having a dimension so that the neck of the screw is restricted in the lateral direction and is able to move in the longitudinal direction of the long slot hole. <IMAGE></p> |
