| 摘要 |
An apparatus for accurately determining the blood hemoglobin concentration without taking a blood sample. The apparatus comprises an ambient temperature measuring portion for measuring ambient temperature, a radiation heat detector for measuring radiation heat from a body surface, light sources for irradiating the body surface with light of the wavelengths of at least 810 nm and 950 nm, photodetectors for detecting reflected light from the body surface, a converting portion in which measurement values relating to the blood hemoglobin concentration measured using a blood sample that is separately collected, said converting portion converting the stored measurement value, the individual outputs of the ambient temperature measuring portion, the radiation heat detector, and the photodetector, into a plurality of parameters, and a processing portion in which relationships between the parameters and blood sugar levels are stored, said calculating portion calculating a blood sugar level by applying the parameters to the stored relationships.
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