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US 2007/0168037 A1Published application
Orthopedic implant
OwnerJeffrey C. Posnickinventor
Life of this patent
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Abstract
A orthopedic implant includes an endplate having a tapered thickness, a second endplate, and a spacer disc positioned between two endplates. The disc can include polypropylene.
Claims66
An orthopedic implant comprising:
- a first endplate having a tapered thickness;
- a second endplate;
- and
- a spacer disc positioned between the two endplates.
1 more element
An orthopedic implant comprising:
- a disc having at least two thickness values conforming to a distance between a first endplate and a second endplate, the disc including a metal ring;
- a first endplate having a first tapered thickness;
- and
- a second endplate having a second tapered thickness.
1 more element
An orthopedic implant comprising:
- a first endplate having a fixation element on an exterior surface and a concave interior surface:
- a second endplate having a fixation element on an exterior surface and a concave interior surface:
- and
- a convex polypropylene disc molded to a volume that conforms to the space between the interior surfaces of the first and second endplates.
1 more element
A method of manufacturing an orthopedic polypropylene implant including obtaining a disc, positioning the disc on a first endplate, and positioning a second endplate over the disc.
A method of placing a surgical implant in a subject comprising:
- obtaining an orthopedic implant;
- contacting a first endplate with a natural surface of a first vertebra;
- and
- contacting a second endplate with a natural surface of a second vertebra, the first endplate and the second endplate being separated by a spacer disc.
1 more element
Dependencies are inferred from the claim text.