This instrumentation comprises at least one vertebral rod (1), bone anchoring elements (2) spaced along the rod, a connector (3) connecting the rod to each anchoring element, and pressure means (4) for clamping together the rod, the anchoring element and the connector; each anchoring element has a bearing...http://www.google.es/patents/US6248104?utm_source=gb-gplus-sharePatente US6248104 - Apparatus for osteosynthesis comprising a connector of the spinal pin and the anchoring elements
Apparatus for osteosynthesis comprising a connector of the spinal pin and ...
