Patent ID: 7254428

Claim:
A blood sugar level measuring apparatus comprising: a heat amount measurement portion for measuring a plurality of temperatures derived from a body surface and obtaining information used for calculating the amount of heat transferred by convection and the amount of heat transferred by radiation, both related to the dissipation of heat from said body surface; an oxygen amount measuring portion for obtaining information about blood oxygen amount; a storage portion for storing a relationship between parameters corresponding to said plurality of temperatures and blood oxygen amount and blood sugar levels; a calculating portion which converts a plurality of measurement values fed from said heat amount measuring portion and said oxygen amount measurement portion into said parameters, and computes a blood sugar level by applying said parameters to said relationship stored in said storage portion; and a display portion for displaying the blood sugar level calculated by said calculating portion, wherein: said oxygen amount measurement portion includes a blood flow volume measurement portion for obtaining information about blood flow volume, and an optical measurement portion for obtaining blood hemoglobin concentration and hemoglobin oxygen saturation, wherein said blood flow volume measurement portion includes: a body-surface contact portion; a guide for guiding the subject to said body-surface contact portion; an adjacent temperature detector disposed adjacent to said body-surface contact portion; an indirect temperature detector for detecting the temperature at a position spaced apart from said body-surface contact portion; and a heat conducting member connecting said body-surface contact portion and said indirect temperature detector.