Bone screw system and method
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United States of America Patent
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-
Sep 9, 2014
Issued Date -
N/A
app pub date -
Dec 7, 2007
filing date -
Oct 18, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved bone screw is disclosed which includes a shaft with distal portion having a threaded surface thereon, a sleeve having an opening which receives the shaft such that the shaft is able to move within the sleeve without moving the sleeve. A compressive device may be incorporated between the sleeve and the proximal portion of the shaft such that the compressive device forces the shaft and sleeve towards at least a portion each other, thereby maintaining the compressive load at the union of the fracture. As additional compression is exerted on the load from weight bearing, the force may be reduced, but the head of the sleeve is still substantially maintained against the lateral cortex.
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