| 摘要 |
The invention relates a nature hipbone device which includes a cotyle cup, an orientation pivot which localizes the cotyle cup in its place, is fixed on the close end of the cotyle cup; at least one link member which is hinged onto the opening edge of the end of the cotyle cup, at least one lock member which sleeve on the edge of an end of the link member apart from the cotyle cup may be located on secure place by the lock member.
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