Patent ID: 7156850
Filing Date: 2007-01-02
Classification: A61B

Abstract:
1. A spine fixing screw assembly comprising: an implant having an implant screw for being implanted into a spine and a pair of vertical extensions with a rod receiver and female screws; and a cap for being coupled with said implant, wherein said cap comprises a male screw for screwing with said female screws to fix a rod, a rim for surrounding the exterior of said vertical extensions and a pair of connector members each with one side being projected from the upper end of said rim and the other end being received in a recess provided in said male screw, whereby said male screw is rotatably supported in respect to said rim, and wherein said vertical extensions each are provided in the upper ends with insert guides for being inserted between said rim and said male screw to align the central axis of said male screw and the central axis of said vertical extensions.