Non-invasive blood glucose monitor
First Claim
1. A micro-optical-mechanical-electro-system (MOMES)-based non-invasive blood glucose monitor comprising:
- a micromachined infrared spectrometer array each for continuously dividing a monochromatic 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 monochromatic infrared light into an alternating monochromatic infrared light, at least one micromachined infrared tunable filter for selecting the back-diffused alternating monochromatic infrared light emitted from a measured blood subject that is illuminated by the alternating monochromatic infrared light, three driver circuits for actuating the spectrometer 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.
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Abstract
A micro-optical-mechanical-electro-system (MOMES)-based non-invasive blood glucose monitor comprises a micromachined infrared spectrometer array, a micromachined infrared mechanical modulator array, at least one micromachined infrared tunable filter, and at least one infrared detector. Each spectrometer is aligned with a mechanical modulator along its optical axis direction. The spectrometer continuously divides a monochromatic infrared light in a wavelength range within 0.8 to 25 micron from an infrared light. The aligned mechanical modulator turns the monochromatic infrared light into an alternating monochromatic infrared light. The tunable filter is aligned with the infrared detector along its optical axis direction. The tunable filter selects the back-diffused alternating monochromatic infrared light emitted from a measured blood subject that is illuminated by the alternating monochromatic infrared light. The infrared detector converts the back-diffused alternating monochromatic infrared light into an alternating electronic signal. Then a photo-integrated circuit (IC) combines with the infrared detector for synchronous detection and amplification of the electronic signal generated by the synchronous detection.
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Citations
22 Claims
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1. A micro-optical-mechanical-electro-system (MOMES)-based non-invasive blood glucose monitor comprising:
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a micromachined infrared spectrometer array each for continuously dividing a monochromatic 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 monochromatic infrared light into an alternating monochromatic infrared light, at least one micromachined infrared tunable filter for selecting the back-diffused alternating monochromatic infrared light emitted from a measured blood subject that is illuminated by the alternating monochromatic infrared light, three driver circuits for actuating the spectrometer 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A micro-optical-mechanical-electro-system (MOMES)-based infrared device assembly for a non-invasive blood glucose monitor comprising:
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a micromachined infrared spectrometer array each for continuously dividing a monochromatic 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 monochromatic infrared light into an alternating monochromatic infrared light, at least one micromachined infrared tunable filter for selecting the back-diffused alternating monochromatic infrared light emitted from a measured blood subject that is illuminated by the alternating monochromatic infrared light, three driver circuits for actuating the spectrometer 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. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A micro-optical-mechanical-electro-system (MOMES)-based non-invasive blood glucose measurement method comprising steps:
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actuating one of a micromachined infrared spectrometer array for continuously dividing a monochromatic infrared light in a wavelength range within 0.8 to 25 micron from an infrared light source, actuating one of a micromachined infrared mechanical modulator array for turning the monochromatic infrared light into an alternating monochromatic infrared light, actuating at least one micromachined tunable filter for selecting the back-diffused alternating monochromatic infrared light emitted-from a measured blood subject that is illuminated by the alternating monochromatic infrared light, using at least one infrared detector to convert the back-diffused alternating monochromatic infrared light into an alternating electronic signal, and performing synchronous detection of the alternating electronic signal and amplification of the electronic signal generated by the synchronous detection. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification