A pedicle screw with a closure device (16) for securing a rod (10) for stabilization of the vertebral column comprises a screw-in part (2), a head part (3) provided on the screw-in part (2), and a U-shaped recess (4) disposed in the head part (3), which recess is formed by the inner surfaces (5, 6) of...http://www.google.fr/patents/US8075598?utm_source=gb-gplus-shareBrevet US8075598 - Pedicle screw with a closure device
