Apparatus and method for determining implant size
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United States of America Patent
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-
Nov 25, 2003
Grant Date -
Aug 15, 2002
app pub date -
Oct 16, 2001
filing date -
Oct 20, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for determining the space between adjacent spinous process. A trial implant instrument contains a trial sizer and an elongated body. The trial sizer and elongated body are pivotally mounted so that as the trial sizer is urged between adjacent spinous process, a physician may rotate the elongated body through a range of motion and not place any torsional forces upon the trial sizer. The method comprises several steps whereby a physician inserts and removes trial implant instruments with sizers of varying diameters to determine the space between adjacent spinous process.
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