| 摘要 |
The intervertebral disk prosthesis includes first and second parts that are intended to be attached respectively to two adjacent vertebrae, an intermediate part that is inserted between the first and second parts and that includes first articular surfaces that work with respective second articular surfaces of the first and second parts, and elements for coupling the first part and intermediate part. The coupling elements are arranged to leave the intermediate part free relative to the first part during a first phase of a tilting movement of the first part relative to second part, such that the intermediate part is displaced toward one end of the prosthesis that is opposite to an end toward which the first part is displaced by tilting relative to the second part and for entraining the intermediate part with the first part during a second phase of the tilting movement.
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