Sleeve trocar with penetration indicator
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United States of America Patent
Stats
-
May 8, 2001
Grant Date -
N/A
app pub date -
Dec 10, 1998
filing date -
Apr 3, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sleeve trocar for piercing tissue to provide a conduit to an internal body cavity insufflated by gas includes a generally tubular sleeve member having a cutting edge and a passageway therethrough. An obturator assembly is telescopically disposed within the sleeve member with the obturator assembly having a moveable portion and a stationary portion, each obturator portion having a blunt face projecting beyond the cutting edge. The present invention also includes a penetration indicator assembly which provides an audible sound upon breach of a body cavity wall.
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