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Articular surface implant and delivery system

  • US 8,961,614 B2
  • Filed: 11/09/2010
  • Issued: 02/24/2015
  • Est. Priority Date: 11/22/2004
  • Status: Active Grant
First Claim
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1. A system for repairing a joint including a first and a second bone having at least a first and a second articular surface, respectively, said system comprising:

  • a drill guide comprising;

    a locating feature configured to be disposed on said first articular surface proximate to a defect on said first articular surface;

    a drill bushing defining a working axis extending through said locating feature; and

    an arm co-axially aligning said locating feature and said drill bushing;

    a drill bit configured to be received at least partially through said drill bushing along said working axis to drill a passage through said first bone and provide an opening on said first articular surface about said defect;

    a tether configured to be partially disposed within said passage in said first bone;

    a reamer comprising a shaft and a cutter configured to excise an implant site in a portion of said first articular surface about said defect having a diameter larger than said passage;

    an implant configured to be at least partially received in said implant site via said tether extending through said passage in said first bone, wherein said implant comprises an implant body and a load bearing surface disposed about a first end of said implant body, said load bearing surface having a contour substantially corresponding to a contour of said portion of said first articular surface about said defect.

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