Valve system with removable fluid interface
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United States of America Patent
Stats
-
Jan 12, 1993
Issued Date -
N/A
app pub date -
Aug 26, 1991
filing date -
Mar 4, 1986
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve having a disposable portion, which comes into contact with the fluid being controlled by the valve. The disposable portion has a valving chamber and a flexible membrane, which can seal off a mouth that is located on a protrusion in the chamber. The disposable portion is held by a fixture which uses a control gas or a mechanical actuator to apply pressure to the flexible membrane. The disposable portion may also have a pressure conduction chamber, which may be used to measure the flow rate of liquid through the disposable portion.
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Family
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Cited Art Landscape
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