Patent ID: 6306139
Filing Date: 2001-10-23
Classification: A61B,Y10S

Abstract:
An intervertebral connection device comprising:a rigid osteosynthesis plate adapted to cover outer faces of at least two consecutive vertebrae at least partially, said plate comprising an anterior face and an opposite posterior face, the posterior face positionable against outer faces of at least two consecutive vertebrae, said plate further comprising at least one pair of through bores each adapted to receive an anchoring screw arranged to anchor said plate on a vertebrae, the anchoring screws each comprising a screw head;an anti-extraction device adapted to prevent extraction of the anchoring screws, said anti-extraction device mounted on the anterior face of said plate and acting as stops for the screw heads of the anchoring screws, said anti-extraction device comprises at least one mobile flap mounted on said plate by a guide device, said anti-extraction device is movable between a first position that permits access to the through bores and a second position that obturates access to the through bores at least partially to act as stops for the screws head; anda stopping element comprising a stud connected to said mobile flap, wherein said stud is adapted to engage said plate and is adapted to stop the mobile flap in a position to block the screw heads.