Crossbar spinal prosthesis having a modular design and related implantation methods
Modular spinal prosthesis having one of both of adaptable and configurable components are provided. The modular spinal prosthesis described herein provide an artificial articular configuration to replace damaged, worn or otherwise removed spinal facet elements.
1. An implant for stabilizing the spine, comprising:
a central mount;
a-first and second articulating mounts coupled to the central mount, the first articulating mount includes a portion of a first cephalad arm extending therefrom and the second articulating mount includes a portion of a second cephalad arm extending therefrom;
a crossbar configured to be secured to the central mount;
locking elements for securing the first and second articulating mounts;
wherein the central mount is configured to be adjusted laterally along the crossbar,
wherein the first and second articulating mounts are configured to be adjustable independently of each other.
2. The implant for stabilizing the spine as in claim 1 , wherein the central mount is configured to be adjusted laterally between a first end and a second end of the crossbar.
3. The implant for stabilizing the spine as in claim 2 , wherein the central mount includes a first engaging element and the crossbar includes a second engaging element complementary to the first engaging element.
4. The implant for stabilizing the spine as in claim 1 , wherein the central mount is adjustable rotationally about the crossbar.
5. An implant for stabilizing the spine, comprising:
a central mount coupled to a crossbar configured to extend across a vertebra;
a first and second articulating mounts coupled to the central mount, the first articulating mount includes a portion of a first cephalad arm extending therefrom and the second articulating mount includes a portion of a second cephalad arm extending therefrom;
locking elements for securing the first and second articulating mounts;
wherein the central mount is configured to be adjusted laterally along the crossbar,
wherein the first and second articulating mounts are configured to be adjustable independently of each other,
wherein the crossbar replaces a portion of a first and second facet joint.
6. The implant for stabilizing the spine as in claim 5 , wherein the central mount is configure to be adjusted laterally between a first and second end of the crossbar.
7. The implant for stabilizing the spine as in claim 6 , wherein the central mount includes a first engaging element and the crossbar includes a second engaging element complementary to the first engaging element.
8. The implant for stabilizing the spine as in claim 5 , wherein the central mount is rotationally adjustable about the crossbar.