Multiple-cam, posterior-stabilized knee prosthesis

  • US 6,558,426 B1
  • Filed: 11/28/2000
  • Issued: 05/06/2003
  • Est. Priority Date: 11/28/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A distal femoral knee-replacement component configured for use with a tibial component having a bearing surface and superior tibial post with a posterior aspect, the distal femoral component comprising:

  • a body having a pair of medial and lateral condylar protrusions and an intercondylar region therebetween dimensioned to receive the tibial post; and

    a plurality of members cam at least partially bridging the intercondylar region, the placement of the members being such that at all times one of the members engages with the posterior aspect of the tibial post through a range of motion from extension to flexion.

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