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Dynamic spinal stabilization assembly with sliding collars
专利权人:
Michael S. Veldman
发明人:
Michael S. Veldman,Jonathan M. Dewey
申请号:
US13217653
公开号:
US08388658B2
申请日:
2011.08.25
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A dynamic spinal stabilization assembly includes a rod having a plurality of slidable collars thereon. The rod is mounted to at least one of the relevant bone anchoring element(s) via the collars. The collars are spaced from one another such that the bone anchoring element engages at least two collars. The collars may be arranged on the rod so that adjacent collars are longitudinally spaced from one another by a distance not more than one-half the length of the rod-receiving channel in the relevant bone anchoring element. There may be elastic elements slidably disposed on the rod between adjacent collars.
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