| 摘要 |
A device is provided for aligning a patella over the articulating surface of the femur and the tibia on the anterior side of the knee joint, the device being of tubular form and having an opening in it for accommodating the patella of a knee when the device is being worn. The opening is encircled by a tube within which there is a length of resilient material for locating the patella, the length of resilient material being in the form of a loop extending inside the tube. |
