Importance

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Abstract

An artificial menisco-tibial joint for a knee joint prosthesis of the kind which includes at least one tibial component on which the meniscus is movably disposed. The meniscus has a largely flat sliding surface against the tibial condyle which is provided with steering means imparting to the meniscus an ability to move in all directions along the tibial condyle. The steering means are so disposed that they limit the magnitude of the movement. The steering means consist preferably of two locating pins situated at a distance from each other which interact each with its own running track in the tibial condyle so that the meniscus, apart from a movement largely forwards and rearwards along the tibial condyle, is also imparted a sideways movement. Alternatively, the steering means consist of a posterior edge on the metal socket attached to the tibia.

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First Claim