| 摘要 |
The knee prosthesis with rotary plate comprises a metal base ( 2 ) and a tibia plate ( 3 ) which are equipped with guide means ( 22, 22', 22'', 26, 29, 5, 6, 5', 9, 50, 51, 52, 13, 15, 18; 34, 34', 34'', 35, 37, 7, 8, 10, 12, 53, 54, 55, 10', 17 ) defining a center of rotation (C, C') which may be offset from that of the tibia bone axis (YY'), so as to allow the tibia plate ( 3 ) to slide in rotation over the said base, the said guide means being positioned a certain distance away from the center of rotation (C, C').
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