Backflow check valve for use with IV administration sets
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United States of America Patent
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-
Jan 12, 1982
Grant Date -
N/A
app pub date -
Jan 30, 1980
filing date -
Jan 30, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A backflow check valve includes male and female hubs sonically welded together with a flow control disc located within the check valve. The disc permits flow in one direction through the check valve, but prevents flow in the other direction through the check valve.
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