Disposable fluid infusion pumping cassette having an interrelated flow control and pressure monitoring arrangement
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United States of America Patent
Stats
-
Oct 6, 1998
Issued Date -
N/A
app pub date -
Mar 27, 1997
filing date -
May 13, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A disposable pumping cassette having an integral auxiliary flow control and pressure monitoring member is used for delivering a medicinal fluid to a patient. The pumping cassette includes an elastomeric member mounted in a rigid body having an inlet and an outlet. An inlet valve and an outlet valve on the cassette are opened, and the flow control is positioned to allow the medicinal fluid to flow freely through the cassette, priming it before the outlet is connected to the patient. The cassette is then coupled to an associated pump driver, closing the flow control to disable free fluid flow through the cassette, and the outlet to the cassette is coupled in fluid communication with the patient's body.
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Family
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