| 摘要 |
An improved knee joint prosthesis located between a thighbone and a tibia to couple with a femur implanted component to allow a patient to resume normal movement and exercise. The knee joint prosthesis adopts a separate design, and includes a tibial insert which has a moving aperture to hold a bracing member coupled with the femur implanted member and a tibial baseplate which has a retaining member. The bracing member and the retaining member are swivelable in the moving aperture, and the bracing member is made from wearing resistant material, so that sliding and wearing that might otherwise occur to the tibial insert may be prevented. Therefore the life span of the posterior stabilized knee joint prosthesis increases.
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