Method for triggering an alarm in an infusion syringe
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United States of America Patent
Stats
-
Dec 24, 1985
Grant Date -
N/A
app pub date -
Mar 20, 1984
filing date -
Apr 22, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An infusion syringe pump for forcing an infusion liquid out of the syringe comprises a sensor which is actuated at a certain displacement of a movable piston in the syringe. The residual infusion time before the syringe is completely empty is calculated from the residual volume of liquid left in the infusion syringe upon activation of the sensor, and from the infusion rate. At a given time before expiration of the residual infusion time, an alarm is produced by an alarm device. The alarm is thus always given independently of the particular infusion rate of the syringe and at a predetermined time (e.g. three minutes) before the end of infusion.
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