Patent ID: 8147559
Filing Date: 2012-04-03
Classification: A61B,A61F,Y10S

Abstract:
1. An implant system, comprising: a reamer comprising a shaft and at least one cutting surface extending radially outwardly from said shaft, wherein said reamer is configured to rotate around a longitudinal axis of said shaft to define an excision site having a generally circular cross-section; and a post comprising a threaded portion configured to engage bone beneath a patient's articular surface; an implant configured to be received in said excision site, said implant having a generally circular outer perimeter corresponding to said generally circular excision site defined by said reamer, wherein said generally circular outer perimeter defines an outer bound of a continuous load bearing surface that substantially matches at least one curvature of said patient's articular surface; and a fixation element configured to couple said post to said implant, wherein said fixation element is further configured to permit said implant to rotate with respect to said post.