Kinematic Alignment of Total Knee Arthroplasty with Restoration of Trochlea

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Kinematic Alignment of Total Knee Arthroplasty with Restoration of Trochlea

By Personalized Arthroplasty Society FEATURING Gabriel B. Roby, Charles Riviere

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January 3, 2023

Surgical Technique Video demonstrating a Calipered KA TKA with restoration of native Trochlea parameters.

The ...
read more ↘ essence of this technique presented by Gabriel B. Roby and Charles Riviere resides in applying the principles of calipered tibiofemoral resurfacing to the patellofemoral joint.

The patella is not resurfaced, maintaining it's native thickness, and we attempt to execute an anterior chamfer cut that has the same thickness as our implant's trochlear thickness at 30 degrees of flexion (where the patella engages). We manage to do so by upsizing the femoral component by two sizes when the medio-lateral width permits. This is possible by kinematic alignment as KA avoids the typical distal lateral overhang of mechanical alignment.
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