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    • 86. 发明授权
    • Methods and systems for photoacoustic signal processing
    • 光声信号处理方法与系统
    • US09055869B2
    • 2015-06-16
    • US13284568
    • 2011-10-28
    • Youzhi LiBo Chen
    • Youzhi LiBo Chen
    • A61B5/1455A61B8/02A61B5/00G01N21/17G01N21/31G01N21/47A61B5/021
    • A61B8/02A61B5/0095A61B5/021A61B5/14551A61B5/72G01N21/1702G01N21/314G01N21/4738
    • A physiological monitoring system may perform an optical measurement of a subject to assist a photoacoustic analysis of the subject. For example, an oblique-incidence diffuse reflectance measurement, photon density wave measurement, or other optical measurement may be used to determine one or more optical properties of a subject. Accordingly, the one or more optical properties may be used to determine an optical fluence at a region of the subject. In some arrangements, a physiological monitoring system may include an oximeter, and may use a calculated blood oxygen saturation value to assist a photoacoustic analysis. Photoacoustic analysis may include determining one or more physiological parameters based on a detected acoustic pressure response of a subject to a photonic signal via the photoacoustic effect.
    • 生理监测系统可以执行对象的光学测量以辅助对象的光声分析。 例如,可以使用倾斜入射漫反射测量,光子密度波测量或其它光学测量来确定被摄体的一个或多个光学特性。 因此,可以使用一个或多个光学特性来确定受试者的区域处的光能。 在一些布置中,生理监测系统可以包括血氧计,并且可以使用计算的血氧饱和度值来辅助光声分析。 光声分析可以包括基于通过光声效应对受试者对光子信号的检测的声压响应来确定一个或多个生理参数。