Resorbable anterior cervical plating system with screw retention mechanism
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United States of America Patent
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N/A
Issued Date -
Jul 12, 2007
app pub date -
Dec 20, 2006
filing date -
Dec 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bone stabilization or fixation assembly may include a bone plate having an upper side and an underside and at least one fixation hole having a first diameter and the hole extending from the upper side to the underside. The area of the bone plate adjacent the fixation hole has a first thickness. The bone stabilization assembly further includes at least one fastener having a head, a shaft, and a relief. The head has a larger dimension than the shaft. The shaft may have threads having a pitch, a core diameter and an outer thread diameter. The relief has a length and a second diameter. The first diameter of the fixation hole may be smaller than the outer thread diameter but larger than the second diameter of the relief. Also, the length of the relief may be greater than the first thickness of the bone plate. The first diameter may be greater than, equal to, or less than the core diameter of the shaft.
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Family
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