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US 2008/0306556 A1Published application
Bone anchor with a curved mounting element for a dynamic stabilization and motion preservation spinal implantation system and method
AssigneeSpartek Medical, Inc.
InventorsJames F. Zucherman, Ken Y. Hsu, Charles J. Winslow, Henry A. Klyce, Matthew Hannibal, James A. Rinner, Jay A. Markwart
Life of this patent
Estimating the term…
Abstract
A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient.
Claims22
An anchor assembly comprising:
- a anchor body with an anchor;
- an anchor head including a stirrup including a yoke extending from the anchor body and a shaft positioned across the yoke;
- a saddle mounting element located on said shaft;
- a saddle including a port that is received about said saddle mounting element;
- and
- a set that can lock said saddle mounting element against said shaft in order to position said saddle relative to said anchor body.
3 more elements
An anchor assembly comprising:
- a anchor body with an anchor;
- an anchor head including a stirrup including a yoke extending from the anchor body and a shaft positioned across the yoke;
- a sphere mounted on said shaft;
- a saddle including a cavity that is received about said sphere;
- and
- a set that can lock said sphere against said shaft in order to position said saddle relative to said anchor body.
3 more elements
An anchor assembly comprising:
- a anchor body with an anchor;
- an anchor head including a stirrup including a yoke extending from the anchor body and a shaft positioned across the yoke;
- a cylinder mounted on said shaft;
- a saddle including a cavity that is received about said cylinder;
- and
- a set that can lock said cylinder against said shaft in order to position said saddle relative to said anchor body.
3 more elements
Dependencies are inferred from the claim text.