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US 9,381,085 B2Granted
Prosthetic implant and method of implantation
AssigneeStryker Corporation
InventorsStuart L. Axelson, Jr., Michael C. Ferko, Peter John Wellings
Life of this patent
Estimating the term…
Abstract
A prosthetic implant useful in a cementless application is disclosed. The implant may include a curved bone facing surface and one or more pegs or keels. Preferably, the implant is implanted on a bone surface that has been prepared so as to allow for a snap fit between the implant and the bone.
Claims20
A prosthetic implant comprising:
- a first end having a pivot surface for contacting a prepared bone surface;
- a second end;
- an articular surface;
- a bone contacting surface including a concave portion;
- a first peg extending from the concave portion of the bone contacting surface and having a first curved surface;
- and
- a second peg extending from the concave portion of the bone contacting surface and having a second curved surface,
- wherein the first and second curved surfaces are concentrically curved about a pivot point located on the first end of the implant.
5 more elements
An prosthetic implant comprising:
- a first end having a pivot surface for contacting a prepared bone surface;
- a second end;
- an articular surface;
- a bone contacting surface including a concave portion;
- a first peg extending from the concave portion of the bone contacting surface and having a first curved surface having an arcuate longitudinal curvature;
- and
- a second peg extending from the concave portion of the bone contacting surface and having a second curved surface having an arcuate longitudinal curvature,
- wherein the first curved surface is curved about a first pivot point and the second curved surface is curved about a second pivot point, the second pivot point being located on the first end of the implant and being at a different location than the first pivot point.
5 more elements
Dependencies are inferred from the claim text.