Syringe check valve
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United States of America Patent
Stats
-
Jun 21, 1988
Grant Date -
N/A
app pub date -
Dec 30, 1986
filing date -
Dec 30, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A syringe check valve for use with a flexible catheter tube. The valve includes a rigid tubular cap and an elastomeric valve member. The valve member is partially inserted into a flexible catheter tube and the rigid cap is slipped over the valve member to maintain the flexible tube on the valve member and to force the valve slot in the valve member closed. The valve is used by inserting the blunt end of a syringe into a tapered cylindrical bore in the valve member which is in communication with the valve slot. The contact of the end of the syringe with the interior walls of the tapered cylindrical bore forces open the valve slot and allows passage of fluid through the valve.
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