Dynamic anchoring device and dynamic stabilization device for vertebrae
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United States of America Patent
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Oct 22, 2013
Grant Date -
Nov 11, 2004
app pub date -
May 6, 2004
filing date -
May 7, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A dynamic anchoring device is described. An element with a shank for anchoring in a bone or a vertebra and with a head connected to the shank is provided with a receiving part for the head and with an elastomeric pressure element acting on the head. The pressure element is formed and located in such a way that, upon a movement of the element from a first angular position of the shank relative to the receiving part into a second angular position, it exerts a return force on the head. Further, a dynamic stabilization device, in particular for vertebrae, is provided. In such a stabilization device, a rod is connected two anchoring devices. At least one of the anchoring devices is constructed as dynamic anchoring element.
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