Bone anchoring device
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United States of America Patent
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Dec 20, 2011
Grant Date -
Aug 23, 2007
app pub date -
Dec 27, 2006
filing date -
Feb 23, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bone anchoring device includes a shaft for anchoring in a bone and a head, the shaft including a first section having a plurality of barb elements, the barb elements being elastically deformable relative to the body of the shaft, and a second section including a bone thread for engagement with the bone. The first section is located near the tip of the shaft and allows insertion by pushing whereas the second section provides enhanced resistance against pull-out.
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