Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
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.
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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.
Chiu-Hsiung Chiang
Han-Chin Kao
Casey Donald C.
Mendez Manuel
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