Bone screw
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United States of America Patent
Stats
-
Apr 2, 2013
Grant Date -
Aug 5, 2004
app pub date -
Jan 22, 2004
filing date -
Nov 10, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bone screw having a screw member possessing a threaded section and a head and a receiving part at the head end for receiving a rod to be connected to the bone screw is provided. The receiving part has on open first bore and a substantially U-shaped cross-section having two free legs provided with a thread. Furthermore, the receiving part has a second bore on the end opposite to the first bore whose diameter is greater than that of the threaded section and smaller than that of the head. On the bottom of the first bore a seat for the head is provided. In order that the screw member can be pivoted to at least one side by an enlarged angle, the edge bounding the free end of the second bore viewed relative to the axis of the first bore is of asymmetric construction.
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