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    • 7. 发明申请
    • PROCESS AND DEVICE FOR DETERMINING AN ANALYTE IN A BIOLOGICAL SAMPLE
    • 方法和装置用于测定分析在生物样品
    • WO1995032416A1
    • 1995-11-30
    • PCT/DE1995000593
    • 1995-05-03
    • BOEHRINGER MANNHEIM GMBHESSENPREIS, MatthiasBOECKER, DirkHEIN, Heinz-MichaelHAAR, Hans-Peter
    • BOEHRINGER MANNHEIM GMBH
    • G01N21/47
    • A61B5/1455A61B5/14532A61B2562/0233A61B2562/0242A61B2562/043G01N21/49
    • A process for determining the concentration of an analyte in a biological sample in which light is irradiated in a detection step into the sample by means of radiation devices through a surface bounding the biological sample as primary light and light emitted from the biological sample by a surface bounding it is detected at a predetermined measuring distance as secondary light in order to determine a variable physical property of the light owing to the interaction with the biological sample which is measurable as a measurement which is correlated with the concentration of the component in the biological sample, and the concentration of the component is found in an evaluation step on the basis of the measurement made in the detection step. In order to obtain good accuracy of measurement without a reagent and non-invasively, it is proposed that, in the detection step: (a) frequency domain spectroscopic measurements be made with at least two different measurement light paths between the irradiation and measurement points without moving the light irradiation device; (b) each of the frequency domain spectroscopic measurements be made at at least two different light wavelengths; and (c) the phase shift in the secondary light in relation to the primary light and an intensity value be determined in the frequency domain spectroscopic measurements.
    • 一种用于确定性挖掘过程的生物样品中的分析物,其中光被在检测步骤到样品通过表面照射由辐射装置的方式包围所述生物样品为初级光和由表面从所述生物样品发射的浓度 边界它以预定的测量距离为二次光检测,以确定矿的可变物理的光的由于与生物样品全部是可测量作为测定的相互作用的所有其与该部件的生物样品中的浓度相关属性 以及成分的浓度在检测步骤中进行的测量的基础上,评价步骤中发现英寸 为了获得测量的良好的精度没有试剂和非侵入性地,提出的是,在检测步骤:(1)频域光谱测量被与没有照射和测量点之间的至少两个不同的测量光路制成 移动光照射装置; (B)每一个频域光谱测量的在至少两个不同波长的光进行; 和(c)在二次光的相移在相对于主光线和在强度值是确定性的开采在频域中的光谱测量。
    • 8. 发明申请
    • METHOD FOR THE DETERMINATION OF A LIGHT TRANSPORT PARAMETER IN A BIOLOGICAL MATRIX
    • 用于确定生物基质中的光传输参数的方法
    • WO02069790A2
    • 2002-09-12
    • PCT/EP0201944
    • 2002-02-23
    • ROCHE DIAGNOSTICS GMBHHOFFMANN LA ROCHEKRAEMER UWEHEIN HEINZ-MICHAELVOLZ DIETMAR
    • KRAEMER UWEHEIN HEINZ-MICHAELVOLZ DIETMAR
    • A61B5/00
    • A61B5/1455A61B5/14532A61B2562/0242Y10T436/144444
    • Method for the selective determination of a light transport parameter, characteristic of the light scattering in a biological matrix (5), in particular for the purpose of non-invasive determination of the concentration of glucose in the biological matrix. The above includes a number of detection measurements in which light is injected into the biological sample as primary light and an intensity value for escaping secondary light measured in a detection location, which is found at various separations from the location of light injection for the number of detection measurements. The light transport parameter which is characteristic for the light scattering in the biological matrix is derived from the intensity values in an analytical step by means of an analytical algorithm. According to the invention, the scattering coefficient can be selectively determined, whereby the analytical algorithm comprises a step in which a value for change with time DELTA tI(r) describing the change with time of the intensity value is derived from at least two different intensity values from different times.
    • 用于选择性测定生物基质(5)中光散射特征的光传输参数的方法,特别是用于无创测定生物基质中葡萄糖浓度的目的。 它包括多个检测测量值的,在各照射光作为一次光到生物基体和在其位于所述多个在从照射部位不同的测量距离检测测量的被检测部位的强度测量值的,易失性次级光被测量。 在评估步骤中,通过评估算法从强度测量值导出生物基质中光散射的光传输参数特征。 为散射系数的选择性测定建议评估算法包括其中所获得的组成测量的强度值的至少两个不同的时间的步骤中,强度测量值描述时间导数值DELTA的Ti(R)随时间的变化被计算。
    • 9. 发明申请
    • PROCESS AND DEVICE FOR DETERMINING THE GLUCOSE CONCENTRATION IN A BIOLOGICAL MATRIX
    • 方法和设备,用于将葡萄糖在生物矩阵分析
    • WO1995012348A1
    • 1995-05-11
    • PCT/DE1994001290
    • 1994-10-29
    • BOEHRINGER MANNHEIM GMBHESSENPREIS, MatthiasBÖCKER, DirkHEIN, Heinz-MichaelHAAR, Hans-Peter
    • BOEHRINGER MANNHEIM GMBH
    • A61B05/00
    • A61B5/1455A61B5/14532A61B2562/0242G01N21/41G01N21/47G01N21/49G01N2201/0696
    • A process and device for the analytical determination of the glucose concentration in a biological matrix. According to said process, in a detection step, light from a light transmitter is irradiated through a boundary surface of a biological matrix thereinto as primary light and the light leaving the biological matrix through a boundary surface thereof is detected in a light receiver in order to determine a measurable physical property of the light which can vary owing to the interaction with the biological matrix and which correlates with the glucose concentration in said biological matrix. In an evaluation step, the glucose concentration is found on the basis of the change in the said physical property of the light determined in at least one detection step in relation to a calibrated value. In order, with such a process, to obtain good analytical accuracy, e.g. to observe the change in the analyte concentration (cyclic control) over a sufficient period, as the property which can be measured in the detection step correlating with the glucose concentration is used a parameter corresponding to the time of propagation of the light within the biological matrix between a defined irradiation point and a defined detection point.
    • 葡萄糖在生物基质中的浓度由光确定通过生物基质的边界表面照射光被所述生物基质的边界表面检测出现,由相互作用的光的生物基质可变可测量物理属性来确定, 其与葡萄糖在生物基质中的浓度相关。 中的葡萄糖浓度是基于所述光的物理性质的比较来校准的变化来确定。 为了实现无试剂和非侵入性分析的精度好,例如用于分析物浓度(流量控制)足够长的时间的变化的观察中,被用作与葡萄糖的之间的生物基质内的光的一个运行时间可测量特性相关联的浓度 定义照射位点和一个限定相应的参数的检测来确定。