Surgical tool for use in expanding a cannula
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United States of America Patent
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Mar 23, 2010
Grant Date -
Jun 17, 2004
app pub date -
Sep 19, 2003
filing date -
Aug 20, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical tool for use in expanding a tubular structure having an inner surface defining a passage through the tubular structure for receiving surgical instruments includes a first leg having a first end engageable with the inner surface of the tubular structure. A second leg has a second end engageable with the inner surface of the tubular structure. The first and second ends are movable away from each other to apply a radially outwardly directed force to the inner surface of the tubular structure and cause expansion of the tubular structure to increase a cross-sectional area of the passage along a portion of the passage.
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