| 摘要 |
The invention relates to a surgical implant intended to maintain and assist with the relative movement with respect to one another of two successive vertebras so as to obtain dynamic stabilization, said implant comprising an upper piece (2) and a lower piece (3) which are intended each to be associated with the processus spinosus, or spinal process, of one of said vertebras, said pieces each comprising a means (4, 5) of association with a spinal process and means of connection to the other piece. According to the invention, said connecting elements are designed to collaborate in such a way as to form a pivot joint, at least one of said connecting elements being a visco-elastic element.
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