Device for elastically stabilizing vertebral bodies
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United States of America Patent
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Sep 6, 2011
Grant Date -
Nov 23, 2006
app pub date -
Mar 29, 2006
filing date -
Sep 29, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device for elastically stabilizing vertebral bodies includes at least two bone anchoring means, each having a central axis and a head segment. The device also includes elastic means that can be joined to the head segments of two adjacent bone anchoring means in such a manner that the longitudinal axis of the elastic means extends transversely to the central axes of the bone anchoring means. Under compressive loads, the elastic means has a progressive spring characteristic. The elastic means is manufactured from a metallic material and has a plurality of spring coils, of which at least two spring coils have a geometric dimension which is different from the other spring coils.
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Family
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