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Tibial resurfacing system and method

  • US 10,624,752 B2
  • Filed: 12/19/2013
  • Issued: 04/21/2020
  • Est. Priority Date: 07/17/2006
  • Status: Active Grant
First Claim
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1. An implant system comprising an implant for replacing only a portion of a patient'"'"'s articular surface of a tibial plateau of a tibial bone, said implant including:

  • a load bearing surface having a contour based on a plurality of measurements taken of the removed portion of the articular surface corresponding to an implant site in the tibial plateau of the tibial bone; and

    a bone facing surface including a first and a second truncated cylindrical protrusion extending along a length of two opposite lateral sides of said bone facing surface, respectively, said first and said second truncated cylindrical protrusion comprising arcs of circles and are defined by portions of a first and a second different cylindrical projection corresponding to said arcs of said circles,wherein the implant has a thickness extending between said load bearing surface and said bone facing surface that is less than a diameter of said circles and is configured such that the bone facing surface abuts against the tibial bone within the implant site and the load bearing surface is substantially continuous with the articular surface surrounding the removed portion of articular surface when the implant is received in the implant site; and

    wherein portions of the load bearing surface opposite the bone facing surface of said first and said second truncated cylindrical protrusion are disposed within said first and said second different cylindrical projection.

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