| 摘要 |
A hinge prosthetic joint with a ball head, especially an endoprosthetic joint having a ball head for use with the proximal region of a bone such as the femur, wherein the ball head is provided with a traction or tension device for the anchoring thereof at an end of the bone. The tension device comprises a tension or tie rod which can be inserted through the bone, a pressure disc which can be placed into contact with the bone at the side of the ball head, and a counter plate which can be placed into contact with the opposite side of the bone.
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