Air-in-line detector

Details Air-in-line detector Air-in-line detector

G - Physics

08

B

340/102, 340/140

G08B 19/00 (2006.01) A61M 5/36 (2006.01)

Patent

CA 1237795

AIR IN LINE DETECTOR ABSTRACT OF THE INVENTION A detector for automatically determining the presence of air in a fluid line comprises a plurality of ON-OFF optical sensors selectively disposed in series along the axis of a port tion of an I.V. tube according to their relative light sensitivity and according to their dependence upon direct or refracted light for activation. An alarm condition indicates air-in-line when predetermined individual sensors change their ON or OFF condition in accordance with a microprocessor programmed logic sequence.

502538

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