| http://www.w3.org/ns/prov#value | - ip joint endoprosthesis provided with the features according to the invention. [0028] In order to avoid, particularly in the case of large relative movements between the joint ball and joint socket, a clamping in place of the liquid-filled rolling-contact bag between the inner edge of the lower rim of the joint socket and the joint ball the hip joint endoprosthesis illustrated in FIG. 2 has a seal
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