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US 2007/0168029 A1Published application
Prostheses, tools and methods for replacement of natural facet joints with artificial facet joint surfaces
OwnerHansen Yuan, David Stinson +2inventors
InventorsHansen Yuan, David Stinson, Lawrence Jones, Mark Reiley
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Abstract
Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The cephalad prostheses are adapted and configured to be attached to a lamina portion of a vertebra without blocking a pedicle portion of the cephalad vertebra.
Claims6
A system for conducting surgery on a spine of a patient, the system comprising:
- a frame comprising:
- a first anchoring feature attachable to a first bone portion of the patient;
- a second anchoring feature attachable to a second bone portion of the patient, wherein the first and second bone portions are spaced apart from each other;
- a first registration feature shaped to guide at least one surgical instrument;
- and a bridging structure configured to couple the first and second anchoring features and the first registration feature together such that the second anchoring feature is positionable at any of a variety of positions with respect to the first anchoring feature, wherein the first and second anchoring features are configured to be attached to pedicles of the spine.
2 more elements
Dependencies are inferred from the claim text.