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VERTEBRAL DEVICE FOR RESTORATION OF VERTEBRAL BODY HEIGHT
VERTEBRAL DEVICE FOR RESTORATION OF VERTEBRAL BODY HEIGHT
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机译:用于恢复椎体高度的椎体装置
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摘要
An intra-vertebral body height restoring device includes a body for insertion into an intra-vertebral space. The body includes top and bottom surfaces for engaging opposing vertebral surfaces defining the intra-vertebral space. The body includes at least two layers extending along a width of the body and having a fully expanded and fully collapsed height relative thereto. A reversible expansion mechanism selectively and reversely expands and collapse the height of the layers and including the fully expanded and collapsed heights to restore a selected height to the intra-vertebral space.
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