METHOD AND SYSTEM FOR EXTRACTION OF BROKEN OBJECTS FROM ENCLOSED SPACES
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United States of America Patent
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Issued Date -
Jul 9, 2009
app pub date -
Nov 13, 2006
filing date -
Aug 21, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is an extraction system capable of easily removing an object having a hollow interior from an enclosed space. The system comprises an overtube that is at least partially insertable into the enclosed space, and a wire comprising an elongated portion, a handle and an insertion end comprising one or more catching members. The catching member is in a straight configuration when the insertion end is confined within the overtube and assumes an open configuration when the insertion end is situated out of the overtube. Initially, the wire is introduced into the enclosed space within the overtube and the wire is pushed out of the overtube such that the catching members will enter the hollow interior of the object. The use of the extraction system is illustrated for the case of extracting a piece of an endodontic file broken during a root canal procedure.
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