Adjustable length cannula and trocar
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United States of America Patent
Stats
-
Mar 16, 1999
Grant Date -
N/A
app pub date -
Oct 18, 1995
filing date -
Oct 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adjustable length cannula which may be longitudinally extended or retracted in order to accommodate a range of body cavity wall thicknesses. The cannula includes an annular flange which abuts the skin surface to provide lateral stability to the inserted cannula and to prevent the associated trocar from being inserted too far into the body cavity. A low external profile of the cannula further contributes to its lateral stability. An adjustable length trocar for use with one embodiment of the adjustable length cannula is also disclosed.
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Family
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