Liquid level detector and alarm device for drip infusion sets

Details Liquid level detector and alarm device for drip infusion sets Liquid level detector and alarm device for drip infusion sets

1995-08-31

1998-01-06

Mendez, Manuel

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

A61M 100

Patent

active

057049238

ABSTRACT:
A liquid level detector and alarm device including an electrical bridge consisting of two infrared detectors for detecting the change of the liquid level of the infusion solution of a drip infusion set, an A/D converter, and a single chip microprocessor connected to the electrical bridge through the A/D converter and controlled by the electrical bridge to drive a buzzer when the liquid level drops below a predetermined value.

REFERENCES:
patent: 3588859 (1971-06-01), Petree
patent: 3605741 (1971-09-01), Spencer
patent: 4223231 (1980-09-01), Sugiyama
patent: 4532936 (1985-08-01), LeVeen et al.
patent: 4820281 (1989-04-01), Lawler, Jr.
patent: 5186057 (1993-02-01), Everhart
patent: 5267978 (1993-12-01), Dirr, Jr.
patent: 5346466 (1994-09-01), Yerlilkay et al.

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