Blood leak detector comparing intensities of high absorption ban

Details Blood leak detector comparing intensities of high absorption ban Blood leak detector comparing intensities of high absorption ban

1975-07-18

1977-04-12

McGraw, Vincent P.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

210 96R, 210321R, 340242, 356181, 356184, G01J 346

Patent

active

040171906

ABSTRACT:
A system for detecting small amounts of hemoglobin in a solution detects the ratio between the light transmissivities at separated wavelengths of a sample solution, one of which wavelengths is in a range at which hemoglobin is highly light absorptive. Through the use of the ratios of the signals, a reading of high sensitivity and linearity is provided in the presence of substantial contamination and turbidity in the sample or the system.

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patent: 3832067 (1974-08-01), Kopf et al.
patent: 3847483 (1974-11-01), Shaw et al.
patent: 3887281 (1975-06-01), Kurita et al.

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