Thread on a bone screw
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United States of America Patent
Stats
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N/A
Issued Date -
Mar 8, 2007
app pub date -
Jul 28, 2006
filing date -
Jul 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A screw, which may be used, for example, as a bone screw, includes a shaft bearing a thread, the thread having a thread foot and thread crest. The thread foot tapers outward along a portion of the shaft, and the thread crest has a uniform width along a length of the shaft. A method of making a bone screw includes making a series of cuts in a shaft at different pitches to produce a thread having a thread foot and thread crest, where the thread foot tapers outward along a portion of the shaft; and where the thread crest has a uniform width along a length of the shaft.
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