Intravenous metering device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 12, 1984
Issued Date -
N/A
app pub date -
Feb 19, 1982
filing date -
Aug 1, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for precise metering of liquids for intravenous delivery to a patient, the device including a pumping chamber with a reciprocable diaphragm positioned therein. The device also includes check valves positioned at the pumping chamber inlet and outlet, and a gas retention chamber located upstream of the pumping chamber and having an upper portion providing for the formation of a gas-liquid interface and a lower portion from which liquid free of gas bubbles may be removed and directed into the pumping chamber.
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