Bone probe
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United States of America Patent
Stats
-
Sep 7, 1993
Grant Date -
N/A
app pub date -
Aug 1, 1991
filing date -
Aug 1, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An orthopedic bone probing device to locate cavities, holes, and crevices in bones. For instance, where holes are drilled in bones to accommodate fastening devices it is important to ascertain if there are any sites where the drilling penetrated the entire side wall of the bone resulting in an undesirable hole in the side wall of the bone. The device of this invention consists of a cannula containing a shaft of superelastic material that assumes a retractable position angular to the axis of the cannula upon being ejected from one end of the cannula and the other end of the cannula is retained by a plunger that limits the amount of shaft that can be ejected and necessitates the removal of the shaft if the cannula is to be removed.
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