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US 2008/0306524 A1Published application
Anchor system for a spine implantation system that can move about three axes
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
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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.
Claims17
A bone anchor system for a spine implantation system comprising:
- an anchor with an anchor body;
- an anchor head including a stirrup including a yoke extending from the anchor body and a shaft positioned across the yoke;
- and
- a saddle mounted about said shaft of said yoke such that said saddle can (1) revolve about said shaft, (2) tilt back and forth in a plane that includes said shaft;
- and (3) swivel about an axis that is parallel to an axis of said anchor.
2 more elements
A bone anchor system for a spine implantation system comprising:
- an anchor with an anchor body;
- 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;
- and
- a saddle mounted about said sphere of said yoke such that said saddle can (1) revolve about said shaft, (2) tilt back and forth in a plane that includes said shaft;
- and (3) swivel about an axis that is parallel to an axis of said anchor.
3 more elements
Dependencies are inferred from the claim text.