SYSTEMS AND METHODS FOR PROVIDING A FEMORAL COMPONENT WITH A MODIFIED POSTERIOR CONDYLE

摘要

Systems and methods for providing deeper knee flexion capabilities. In some instances, such systems and methods include a knee prosthesis that includes a femoral component for replacing at least a portion of a distal end of a femur. In some cases, the femoral component has a posterior condyle that is configured to articulate against a tibial articular surface. In such cases, an articular surface at a proximal portion of the posterior condyle is sized and shaped to extend at least half of an antero-posterior distance between a most posterior portion of the posterior condyle and a plane that is a continuation of a distal one fourth to one third of a posterior cortex of a femoral shaft of the femur. Other implementations are also discussed.

主权项

1. A knee prosthesis comprising:
a femoral component for replacing at least a portion of a distal end of a femur,
wherein the femoral component comprises at least one of a medial posterior condyle and a lateral posterior condyle,wherein the femoral component comprises an interior surface configured to face a cut surface of the distal end of the femur when the femoral component is seated on the distal end of the femur,wherein the femoral component comprises a flange providing an articular surface at a proximal, anterior portion of at the least one of the medial posterior condyle and the lateral posterior condyle, andwherein the flange extends anteriorly from the interior surface that is configured to face the cut surface of the distal end of the femur.