Importance

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Abstract

A device for measuring and recording blood saturation and heart rate from a human digit, the device includes at least one light source, providing light directed toward the surface of the human digit, the light being absorbed by and reflected from within the human digit, a light detector spaced apart from the light source and being sensitive to intensity levels of the light reflected from within the human digit for producing intensity signals in accordance therewith, characterized by the device including an attaching component configured to be securely fastened to the human digit proximate the palm of the person whose blood saturation and heart rate is being measured. The attaching component is configured to exclude external light and to ensure that the performing component of the sensor presses into the tissue in such a way that the radiance source and detector are optically sealed off from each other.

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First Claim