INJECTOR SYSTEM AND FLUID CONTROL DEVICE PROVIDING AIR PURGING AND SHARP BOLUS INJECTION
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United States of America Patent
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app pub date -
Dec 6, 2007
filing date -
Oct 18, 2000
priority date (Note) -
Abandoned
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Abstract
An injector system includes a source of injection fluid, a pump device, a fluid path set disposed between the source of injection fluid and the pump device, a fluid control device operatively associated with the fluid path set and a hand held control device for controlling the flow rate of the injection fluid. The hand held control device includes a piston slideably disposed within a chamber and adapted to engage a switch that controls the flow rate of the injection fluid. The fluid control device is adapted to permit purging of air from the fluid path set and to stop flow of the injection fluid to a patient at substantially any pressure or flow rate generated by the pump device for delivering a sharp bolus of the injection fluid to the patient. The fluid control device is preferably part of the fluid path set between the source of injection fluid and the pump device.
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