Universal length screw design and cutting instrument
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United States of America Patent
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Oct 11, 2016
Grant Date -
Oct 1, 2015
app pub date -
Jun 15, 2015
filing date -
Mar 8, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An adjustable length bone screw is provided that has a shaft that can be cut at any of several predetermined positions. The adjustable length bone screws can be provided in a kit containing many bone screws having the same or different initial lengths, and these screws can be cut to the desired length for use in the surgical procedure prior to, or during, the surgical procedure. The adjustable length bone screws have a plurality of threaded shaft sections that are separated by a plurality of unthreaded shaft sections along the length of the shaft. The threaded sections have preferably at least two cutting flutes extending longitudinally along the shaft. The invention provides the adjustable length bone screws, a tool for cutting the bone screws to a desired length, kits containing the bone screws and optionally the cutting tool, and methods for using the screws and/or the cutting tool in preparation for or during a surgical procedure.
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