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US 7,674,293 B2Granted
Crossbar spinal prosthesis having a modular design and related implantation methods
AssigneeFacet Solutions, Inc.
InventorsMark K. Kuiper, David Yager, Leonard Tokish, Jr., David Michael Rosler, Mark A. Reiley, Susan L. Rogers, Christopher Ralph, Mark Charbonneau, Richard Broman, David Stinson
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Abstract
Modular spinal prosthesis having one of both of adaptable and configurable components is provided. The modular spinal prosthesis described herein provides an artificial articular configuration to replace damaged, worn or otherwise removed spinal facet elements.
Claims13
An adaptable spinal facet joint prosthesis, comprising:
- a cephalad prosthesis comprising a crossbar element and a pair of cephalad prosthesis elements, the cephalad prosthesis elements each comprising a bone engaging portion and a mount portion;
- at least one of the mount portions having a crossbar engaging element that slidably couples at least one of the cephalad prosthesis elements to the crossbar element along a generally lateral direction;
- and
- a pair of caudal prosthesis elements each having a fixation element and a surface adapted to moveably engage with a portion of the cephalad prosthesis.
1 more element
Dependencies are inferred from the claim text.