Patent ID: 6613051
Filing Date: 2003-09-02
Classification: A61B

Abstract:
An internal anterior transpedicular fixation system for treating spinal pathologies including vertebral burst fractures or tumors which have been subjected to a vertebral corpectomy, comprising:a pair of supporting plates, each plate for spanning at least one vertebra and having a first engaging portion, a second engaging portion, and a bridge portion joining said first and second engaging portions, said first engaging portion defining a first receiving portion, said second engaging portion defining a second receiving portion; a clamping member for connecting said bridge portions of said supporting plates; and a plurality of fixation elements for mounting one of said first and second receiving portions onto a vertebra, wherein said fixation element is a transpedicular screw having a pointed tip, a bone screw thread portion in a middle portion of the screw and a plate screw thread portion adjacent to the pointed tip of the screw, said plate screw thread portion for engaging with said threaded opening in one of said first and second receiving portions; whereby said supporting plates and the vertebra are restrained from relative rotational or translational movement.