Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature
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United States of America Patent
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Oct 27, 2015
Grant Date -
Jan 3, 2013
app pub date -
Jun 27, 2012
filing date -
Jun 30, 2008
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Abstract
An orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a posterior cam configured to contact a spine of the tibial bearing and a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the posterior cam of the femoral component may include a concave cam surface and a convex cam surface.
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