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    • 1. 发明公开
    • 광학적 측정 장치, 광학적 측정 방법, 및 광학적 측정 프로그램을 기록한 기억 매체
    • 光学测量设备,光学测量方法和存储介质光存储光学测量程序
    • KR1020090011030A
    • 2009-01-30
    • KR1020087030473
    • 2007-05-31
    • 고쿠리츠 다이가꾸 호우진 시즈오까 다이가꾸
    • 니와야마,마사즈구
    • G01N21/359A61B5/1455
    • G01N21/4795A61B5/0059A61B5/14532A61B5/14551G01N21/31G01N21/49G01N2021/3144G01N2021/4797
    • An optical measuring device and method for accurately measuring light absorbance of a deep layer tissue of a human body or a piece of fruit by correcting the adverse influence of the superficial layer and a storage medium storing an optical measurement program are disclosed. The optical measuring device has a probe composed of a light-emitting diode and two photodiodes. Light emitted from the light-emitting diode and passing through the superficial layer and the deep layer of a tissue is received by one of the photodiode, and light emitted from the light-emitting diode and passing through the superficial and deep layers of the tissue and traveling a distance in the deep layer different from the distance which the light received by the one photodiode travels is received by the other photodiode. A control unit computes the propagation coefficient in the medium where the light propagates from the intensities of the lights received by the photodiodes. An arithmetic expression is selected depending on the inputted thickness of the fat of the tissue, and the light absorbance coefficient of the muscle tissue is determined by the arithmetic expression according to the fat thickness and the spatial inclination. From the determined light absorbance coefficient, the hemoglobin concentration and the degree of oxygen saturation are determined.
    • 公开了一种光学测量装置和方法,用于通过校正表面层的不利影响和存储光学测量程序的存储介质来精确地测量人体或一块水果的深层组织的光吸收。 光学测量装置具有由发光二极管和两个光电二极管组成的探针。 从发光二极管发射并穿过组织的表层和深层的光被光电二极管中的一个接收,并且从发光二极管发出的光并通过组织的表层和深层, 在与由一个光电二极管行进的光接收的距离不同的深层中行进距离被另一光电二极管接收。 控制单元计算介质中的传播系数,其中光从由光电二极管接收的光的强度传播。 根据输入的组织的脂肪厚度来选择算术表达式,并且通过根据脂肪厚度和空间倾斜度的算术表达来确定肌肉组织的吸光度系数。 根据确定的光吸收系数,确定血红蛋白浓度和氧饱和度。
    • 8. 发明公开
    • 조직 산소화의 측정
    • 测量组织氧化
    • KR1020090016744A
    • 2009-02-17
    • KR1020087032089
    • 2007-05-30
    • 유니버시티 오브 매사추세츠
    • 소예미,올루솔라,오.솔러,밥스,알.양,예
    • A61B5/1455
    • A61B5/14551A61B5/412G01N21/35G01N33/4925G01N2021/3144
    • Methods and systems for calculating tissue oxygenation, e.g., oxygen saturation, in a target tissue are disclosed. In some embodiments, the methods include: (a) directing incident radiation to a target tissue and determining reflectance spectra of the target tissue by measuring intensities of reflected radiation from the target tissue at a plurality of radiation wavelengths; (b) correcting the measured intensities of the reflectance spectra to reduce contributions thereto from skin and fat layers through which the incident radiation propagates; (c) determining oxygen saturation in the target tissue based on the corrected reflectance spectra; and (d) outputting the determined value of oxygen saturation.
    • 公开了用于计算靶组织中的组织氧合例如氧饱和度的方法和系统。 在一些实施例中,所述方法包括:(a)将入射辐射定向到目标组织,并通过测量来自多个辐射波长的来自目标组织的反射辐射的强度来确定目标组织的反射光谱; (b)校正反射光谱的测量强度,以减少由入射辐射传播的皮肤和脂肪层对其的贡献; (c)基于校正的反射光谱确定靶组织中的氧饱和度; 和(d)输出所确定的氧饱和度值。