OXYGEN SATURATION MEASURING SENSOR, AND OXYGEN SATURATION MEASURING APPARATUS
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Accused Products
Abstract
An oxygen saturation measuring sensor is capable of increasing reliability of information of parts having different depth and includes a pad attachable to a human body; plural light sources arranged on the pad to be adjacent in a separate state, and irradiate near-infrared light; plural light receiving elements arranged on the pad to be adjacent in a separate state and correspond one to one to the plural light sources with reference to a common center with an innermost side of the plural light sources, and that receive transmitted light from the corresponding plural light sources; and a ROM unit that stores a reference value through measuring transmitted light using a phantom in advance and stores a light receiving amount of the transmitted light received by the plural light receiving elements.
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Citations
6 Claims
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1-3. -3. (canceled)
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4. An oxygen saturation measuring sensor comprising:
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a pad attachable to a human body; a plurality of light sources arranged on the pad to be adjacent in a separate state, and irradiate near-infrared light; a plurality of light receiving elements arranged on the pad to be adjacent in a separate state and correspond one to one to the plurality of light sources with reference to a common center with an innermost side of the plurality of light sources, and that receive transmitted light from the corresponding plurality of light sources; and a ROM unit that stores a reference value through measuring transmitted light using a phantom in advance. - View Dependent Claims (5)
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6. An oxygen saturation measuring apparatus comprising:
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a sensor unit; and a main body, wherein the sensor unit comprises; a pad attachable to a human body; a plurality of light sources arranged on the pad to be adjacent in a separate state, and irradiate near-infrared light; a plurality of light receiving elements arranged on the pad to be adjacent in a separate state and correspond one to one to the plurality of light sources with reference to a common center with an innermost side of the plurality of light sources and that receive transmitted light from the corresponding plurality of light sources; and a ROM unit that stores a reference value through measuring transmitted light using a phantom in advance, and the main body comprises; an arithmetic processing unit that calculates actual absorbance on the basis of a light receiving value and a reference value regarding an amount of receiving light stored by the ROM and computes an oxygen state of a living body to comply with the Beer-Lambert law while comparing the reference value.
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Specification