Fastening system for pedicel screws
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United States of America Patent
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-
Apr 7, 1998
Grant Date -
N/A
app pub date -
Jan 30, 1996
filing date -
Feb 17, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention discloses a fastening system for pedicel screws anchorable in different vertebrae. The spherical screw heads lie in spherical shells of apertured counter-bodies. The counter-bodies have planar support surfaces which lie on a supporting link in the region of elongate holes. A screw element is provided in the axial direction of each pedicel screw and is pivotably journalled at the supporting link with a spherical support surface arranged in the region of the elongate hole. The pedicel screws are generally skewed relative to one another and can, when account is taken of the nature of the bone, be rigidly connected to the supporting links via the screw elements due to the fact that the support surfaces can be clamped against one another in a self-locking manner on pedicel screws which are positioned inclined relative to the support surfaces.
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Family
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Cited Art Landscape
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