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Tibial tray for total knee arthroplasty

  • US 7,524,334 B2
  • Filed: 11/29/2004
  • Issued: 04/28/2009
  • Est. Priority Date: 11/29/2004
  • Status: Expired due to Fees
First Claim
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1. An improved tibial tray for total knee arthroplasty, said tibial tray comprising:

  • a tibial base plate comprising a top surface and a bottom surface, said tibial base plate further comprising an asymmetric keel integrally formed on said tibial base plate and depending from said bottom surface, said asymmetric keel comprising a first side and a second side; and

    said tibial base plate further comprising at least one fin integrally formed on said tibial base plate and depending from said bottom surface, said fin comprising a keel edge that is integrally attached to one of said first and second sides of said asymmetric keel, said first side and said second side of said asymmetric keel each defining non-planar curved surfaces that are substantially parallel to each other.

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