Patent ID: 8177841
Filing Date: 2012-05-15
Classification: A61B,A61F

Abstract:
1. An implant for replacing a portion of an articular surface of a bone comprising: first, second, and third segments each comprising a truncated, generally circular perimeter having a center corresponding to a center of a first, second, and a third generally circular excision site formed in said articular surface, respectively, wherein said second and said third segments partially overlap said first segment on opposing ends of said first segment, said first, said second, and said third segments comprise a bone contacting surface and a load bearing surface, said load bearing surface comprising an anterior-posterior (AP) curvature and a medial lateral (ML) curvature, wherein said AP curvature comprises at least two tangential curves of said portion of said articular surface of said bone, said tangential curves having different radii of curvature.