Prosthetic implant and method of implantation
First Claim
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1. 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.
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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.
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Citations
20 Claims
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1. A prosthetic implant comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An prosthetic implant comprising:
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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. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification