Osteosynthesis device for spinal support or correction comprising implant screwed into vertebrae and plate joined to implant without preventing implant screwing rotation

摘要

The device comprises a plurality of implants (1) that can be screwed into one or more vertebrae (0) to provided rigid joint between the vertebrae and at least one plate (2) used to hold or displace the spine. The plate is joined to at least one implant. The plate is held without preventing the implant from rotating on its screwing axis. Thus it is possible to continue to screw the implant or adjust the position of the plate, or both, after the plate has been assembled on the implant. The implant clamping support is mobile with respect to the rest of the implant. The clamping support has a first elongate end (121) along the support axis (d12) and a second end bearing the support head (122). Independent claims are also included for (a) a pre-assembly method for the device