초록 ▼

A surgical implant system for the stabilization of a human spine by fixation of the vertebra utilizing a stabilization cross-link spinal implant system. The system utilizes self-tapping screws having bifurcated protruding members to support an alignment rod, the protruding members available for plac

A surgical implant system for the stabilization of a human spine by fixation of the vertebra utilizing a stabilization cross-link spinal implant system. The system utilizes self-tapping screws having bifurcated protruding members to support an alignment rod, the protruding members available for placement of a fixed or variable traverse cross-link member that couples to the protruding members by use of threaded nuts corresponding to the threaded portion of the outer surface of the protruding members. The externally threaded coupling method can also be use for pedicle, caudal, cranial, thoracic and the like hooks. Also shown is a two plate system for anterior cervical spine fixation.

대표청구항 ▼

A variable directional screw for use in combination with support brackets in a surgical implant for the stabilization of a human spine, said device comprising: a metal sacral screw base having a first end and a second end, said first end having an insertion tip with a relatively coarse self-tapping

A variable directional screw for use in combination with support brackets in a surgical implant for the stabilization of a human spine, said device comprising: a metal sacral screw base having a first end and a second end, said first end having an insertion tip with a relatively coarse self-tapping thread extending from said insertion tip along substantial portion of said first end, said second end defined as a protruding shaft extending outwardly from said first end with at least a portion of said protruding shaft threaded, said protruding shaft having a diameter less than the diameter of said first end forming a side wall juncture between said first end and second end; a first directional shaft having a coupling end and an engagement end, said coupling end including an aperture sized for slidable positioning over said protruding shaft of said second end; and at least one nut having internal threads engageable with said threads of said protruding shaft; wherein said first end is insertable into bone and said second end receptive to direct bracket coupling or to the coupling of said directional shaft allowing rotational and perpendicular positioning of said threaded shaft permitting coupling to a bracket at a perpendicular position, said nut locking said directional shaft in a fixed position.