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Apparatus and method for obtaining concentrations of different hemoglobin species by applying a high pressure to the living tissue and by measuring differences in light attenuation at different wavelengths
Apparatus and method for obtaining concentrations of different hemoglobin species by applying a high pressure to the living tissue and by measuring differences in light attenuation at different wavelengths
A biological signal measuring system includes: a light emitter emitting light beams having different N kinds of wavelengths, where N is an integer of four or more; a light receiver, a processor and an outputting section outputting (N-1) identified concentrations. Light attenuations A 1 , A 2 , A 3 ,...,A n are acquired based on changes of the received light intensities due to pressing of a living tissue at each of the N different wavelengths. The concentrations of the N-1 different components are obtained from differences of light attenuation at different wavelengths, namely A 2 -A 1 , A 3 -A 1 , etc.
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机译:一种生物信号测量系统,包括:发光器,其发射具有不同的N种波长的光束,其中N是四个或更多的整数;光接收器,处理器和输出部分(N-1)识别出的浓度。基于由于在N个不同波长中的每一个上按压活体组织而引起的接收光强度的变化来获取光衰减A 1,A 2,A 3,...,A n。N-1个不同成分的浓度是通过不同波长(即A 2 -A 1,A 3 -A 1等)的光衰减差异获得的。
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