BloodVitals SPO2: The Ultimate Home Monitoring Tool

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Swiss Patent No. CH-612.271 discloses a non-invasive methodology to determine biological substances in samples or by means of the skin using an attenuated whole reflection (ATR) prism immediately placed against a sample to be analyzed (for instance the lips or the tongue). See also Hormone & Metabolic Res/suppl. ATR prism is attenuated in accordance with the glucose focus in the optically thinner medium. This attenuation is ascertained and processed into glucose willpower knowledge. U.S. Pat. No. 3,958,560 discloses a non-invasive machine for figuring out glucose in a patient's eye. IR radiations when passing by the attention. GB Patent Application No. 2,033,575 discloses a detector machine for investigating substances in a patient's blood stream, particularly CO 2 , oxygen or glucose. Optical radiations embrace UV as well as IR radiations. U.S. Pat. No. 3.638,640 discloses a method and an apparatus for measuring oxygen and other substances in blood and living tissues. 660, 715 and 805 nm.

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