Patent ID: 6836678
Filing Date: 2004-12-28
Classification: A61B

Abstract:
A micro-optical-mechanical-electro-system (MOMES)-based non-invasive blood glucose monitor comprising:a micromachined infrared optical filter array each for continuously dividing an infrared light in a wavelength range within 0.8 to 25 micron from an infrared light, a micromachined infrared mechanical modulator array each for turning the infrared light into an alternating infrared light, at least one micromachined infrared tunable filter for selecting back-diffused alternating monochromatic infrared light emitted from a measured blood subject that is illuminated by the alternating infrared light, three driver circuits for actuating the optical filter array, mechanical modulator array, and tunable filter, respectively, at least one infrared detector for converting the back-diffused alternating monochromatic infrared light into an alternating electronic signal, at least one infrared light source for irradiating the infrared light, at least one collimator enabling the incoming infrared light to run parallel to its optic axis, and a photo-integrated circuit (IC) combining with the infrared detector for synchronous detection and amplification of the electronic signal generated by the synchronous detection.