ENDOPROSTHESIS FOR THE KNEE-JOINT

摘要

Endoprosthesis for the knee joint and adjacent bone parts comprising a femoral and a tibial joint part, a bone replacement part to be attached to the femoral or, respectively tibial joint part which replacement part comprises a pair of telescopically cooperating rod members which are adjusted with respect to each other by a threaded spindle and a spindle nut, and comprising a pinion on the spindle to be actuated by a rotating means, whereby an indexing mechanism is provided comprising an indexing member which is actuated by the tibial or femoral joint part in an extreme bending position of the joint.