Preslit injection site and tapered cannula for blood sampling
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United States of America Patent
Stats
-
Apr 17, 2001
Grant Date -
N/A
app pub date -
May 12, 1995
filing date -
Jan 25, 1988
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a fluid sampling system, 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 an elongated member having a tapered distal end region and a substantially cylindrical sheath surrounding the elongated member to protect it from inadvertent touch contamination. The sheath may include means defining at least two slots opposite one another at its distal end and the sheath may be outwardly tapered.
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