Ambulatory infusion system with spring-pressurized reservoir
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United States of America Patent
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-
Sep 28, 1993
Grant Date -
N/A
app pub date -
Dec 16, 1991
filing date -
Dec 16, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ambulatory infusion system includes a spring-pressurized reservoir to facilitate portable use of the system. The system includes a liquid-filled flexible container, and a pair of opposed platens between which the flexible container is removably positionable. Energy-storing, clip-like biasing springs act against the platens to urge them toward each other, thereby effecting pressurization of the liquid within the container. A tubing set of the system preferably includes a non-adjustable flow restrictor, which may be sized for relatively low flow rates to permit the system to be used for catheter patency maintenance.
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