Administration of fluids
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United States of America Patent
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-
Oct 7, 1986
Grant Date -
N/A
app pub date -
Mar 27, 1984
filing date -
Mar 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drip chamber apparatus wherein the base of the drip chamber includes an apertured disk with a series of concentric stepped recesses against which is positioned a valve diaphragm. There is provided a pre-biasing member which applies pressure to the valve diaphragm to maintain the valve seated in a closed position. The pre-biasing member is axially adjustable to vary the pre-biasing pressure.
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