US 6059743 - Bauerfeind
It has a "primitive" system of "personalization" of the center of rotation that can be changed from outside. As can be seen from the drawing patent above, there are four main positions of the center of rotation A, B, C and D.
On the basis of this choice we may have the following situations:. Solution A - Solution B It causes a crash of the femoral condyles on the tibial plateau from 45 degrees onwards. It causes a crash of the femoral condyles on the tibial plateau from 15 degrees to 90 degrees. Subsequently, the femoral condyles tend to be expelled vertically from the tibial plateau. Solution C - Solution D causes a marked and important departure from the femoral condyles and determines a marked estrangement between the femoral condyles and tibial plateau. |
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