Implant and anchor assembly
First Claim
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1. An implant assembly comprising:
- an implant including;
an implant body having a load bearing surface with a contour corresponding to a patient'"'"'s articular surface, a bone facing surface, a fixation ring extending outward generally below said bone facing surface, and at least one recess extending at least partially around an outer perimeter of the fixation ring, wherein said load bearing surface comprises a plastic composition or a metal composition; and
an implant fixation member comprising at least one fastener segment configured to snap into said at least one recess to couple said implant fixation member to said implant body, said implant fixation member further including a first fixation element comprising either a plastic composition or a metal composition;
an anchor configured to be secured to bone beneath said patient'"'"'s articular surface, said anchor including a second fixation element; and
wherein said first fixation element is configured to be secured to said second fixation element; and
wherein when said first fixation element comprises said plastic composition, said second fixation element comprises a plastic composition and said load bearing surface comprise a metal composition;
orwherein when said first fixation element comprises said metal composition, said second fixation element comprises a metal composition and said load bearing surface comprise a plastic composition.
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Abstract
An implant assembly comprising an implant having a load bearing surface with a contour corresponding to a patient'"'"'s articular surface, and a bone facing surface including a fixation element, an anchor configured to be secured to bone beneath said patient'"'"'s articular surface, said anchor including a second fixation element, and wherein said first fixation element is configured to be secured to said second fixation element.
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Citations
33 Claims
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1. An implant assembly comprising:
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an implant including; an implant body having a load bearing surface with a contour corresponding to a patient'"'"'s articular surface, a bone facing surface, a fixation ring extending outward generally below said bone facing surface, and at least one recess extending at least partially around an outer perimeter of the fixation ring, wherein said load bearing surface comprises a plastic composition or a metal composition; and an implant fixation member comprising at least one fastener segment configured to snap into said at least one recess to couple said implant fixation member to said implant body, said implant fixation member further including a first fixation element comprising either a plastic composition or a metal composition; an anchor configured to be secured to bone beneath said patient'"'"'s articular surface, said anchor including a second fixation element; and wherein said first fixation element is configured to be secured to said second fixation element; and wherein when said first fixation element comprises said plastic composition, said second fixation element comprises a plastic composition and said load bearing surface comprise a metal composition;
orwherein when said first fixation element comprises said metal composition, said second fixation element comprises a metal composition and said load bearing surface comprise a plastic composition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification