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US 6,966,930 B2Granted
Facet prosthesis
AssigneeImpliant Ltd.
InventorsUri Arnin, Yuri Sudin, Michael Tauber
Life of this patent
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Abstract
An article including a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint, and an elastomeric cushioning element disposed in the facet prosthesis.
Claims5
An article comprising:
- a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint;
- and
- an elastomeric cushioning element disposed in said facet prosthesis, wherein said elastomeric cushioning element includes first and second mechanical fasteners at opposite ends thereof which are attachable to superior and inferior halves of the facet joint,
- wherein said first and second mechanical fasteners comprise an expandable sleeve member, the facet prosthesis further comprising a wedge insertable into said expandable sleeve member, wherein the sleeve expands radially upon insertion of the wedge into the sleeve.
1 more element
An article comprising:
- a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint;
- and
- an elastomeric cushioning element disposed in said facet prosthesis, wherein said elastomeric cushioning element includes a plurality of elastomeric balls disposed in said lumen and sealed in said lumen with end caps.
Dependencies are inferred from the claim text.