Patient-adapted and improved articular implants, designs and related guide tools

  • US 20110087332A1
  • Filed: 04/28/2010
  • Published: 04/14/2011
  • Est. Priority Date: 05/25/2001
  • Status: Active Grant
First Claim
Patent Images

1. A tibial implant for a knee arthroplasty, the tibial implant comprising:

  • (a) a tibial tray sized and shaped generally for placement on a proximal surface of a tibia of a patient and having at least one insert locking mechanism;

    (b) a first insert comprising a first reciprocal locking mechanism, a first bottom surface for engaging a surface of the tibial tray, a first articular surface portion generally opposite the first base surface, and a first thickness extending in a generally perpendicular direction between the first bottom surface and the first articular surface; and

    (c) a second insert comprising a second reciprocal locking mechanism, a second bottom surface for engaging a surface of the tibial tray, a second articular surface portion generally opposite the second base surface, and a second thickness extending in a generally perpendicular direction between the second bottom surface and the second articular surface;

    wherein the first thickness is greater than the second thickness.

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