| 摘要 |
An implant for an ostheosynthesis device, in particular for the spine, comprises an anchoring portion (11) for anchoring to bone and a body in which a channel (13) is formed suitable for receiving a rod (T), the channel opening out sideways in the body, a hollow element (20) suitable for surrounding the body (12) and possessing two notches suitable for receiving the rod on either side of the body (12), and a screw (30) for fixing the hollow element on the body. According to the invention: the hollow element is a cover (20) fitting over the body with a rounded top portion (21b) in which an opening (25) is formed, the body (12) includes a tapped hole (14) facing said opening, and the head (31) of a screw (30) bears against the top (21b, 25a) of the cover, its threaded portion (32) being screwed in the tapped hole through said opening.
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