Pre-slit injection site and tapered cannula
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United States of America Patent
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-
Aug 12, 2003
Issued Date -
N/A
app pub date -
Aug 9, 1996
filing date -
Jan 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pre-slit injection site includes a housing with a flow path therethrough. A first end of the housing carries a pre-slit septum. One form of a blunt cannula, usable with the injection site, carries a locking member. When the pre-slit injection site slidably receives the blunt cannula, the locking member latches to the injection site and creates a mechanically coupled unit. Another form of the cannula includes a tube having a tapered distal end region and having elongate discharge slots for reducing contact surface area and for directing the flow laterally out of the cannula. The cannula may also include a rounded lead post, an annular barb, and axially oriented grooves.
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