Rapid response occlusion detector for a medication infusion pump
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United States of America Patent
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Jul 15, 1997
Grant Date -
N/A
app pub date -
Mar 3, 1995
filing date -
Mar 3, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved occlusion detector is provided in a medication infusion pump to monitor medication delivery to a patient, and to provide an early alarm in the event of medication nondelivery. The detector comprises a force sensor and related control circuit for reading and comparing the pressure applied to the medication at the time of pump operation to administer a dose to the patient, with the same pressure at a later point in time preceding the next dose. If the difference between the pressure readings is less than a predetermined value, an occlusion of the medication delivery line is indicated and an alarm is activated.
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