See www.lengerke.de/knie/htm/o-proth.htm
Artificial knee joints
It occurs not rarely that the joint surfaces are so worn that by a arthroskopische cartilage smoothing or a joint conversion nothing more can be attained. That is the case if the cartilage is completely abraded. In such a case or if e.g.. Rheumatism the joint destroyed, is the artificial replacement of the joint surfaces a favorable alternative frequent: On the one hand will thereby improved the mobility, on the other hand can axle bad position and instability be corrected. A goal is always to improve pain too lindern and the function.