A method and device for stabilizing cervical vertebrae includes a plate with at least two slots. The device also includes at least two screws including a lower threaded bone-engaging shaft, a shoulder which will not pass through said plate slots and an upper threaded shaft. The screws are positioned...http://www.google.fr/patents/US5676666?utm_source=gb-gplus-shareBrevet US5676666 - Cervical spine stabilization system