Fluid drop detection and discrimination system

Details Fluid drop detection and discrimination system Fluid drop detection and discrimination system

G - Physics

01

V

340/124, 340/140

G01V 5/00 (2006.01)

Patent

CA 1279711

ABSTRACT OF THE DISCLOSURE A system and method is provided for detecting the presence of drops in a fluid drop path, such as that in a medical infusion system, and for discriminating between signals resulting from true drops and signals resulting from aberrant fluid flow. A transducer generates a drop signal related to the presence of a drop in a fluid drop path. Also generated is a reference quantity related to the value of the drop signal in the absence of a drop. The deviation of the drop signal from the reference quantity is calculated, and is compared with first and second threshold values. The results of these two comparisons are then used to determine the presence or absence of a true drop.

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