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    • 3. 发明申请
    • MEDICAL TEST DEVICE AND METHOD FOR THE OPTICAL DETERMINATION OF AN ANALYTE COMPRISING MEANS FOR COMPENSATING THE AMBIENT LIGHT BACKGROUND
    • 用于光学确定包含用于补偿环境光的手段的分析仪的医疗测试装置和方法
    • WO2007009541A8
    • 2007-03-22
    • PCT/EP2006005821
    • 2006-06-17
    • ROCHE DIAGNOSTICS GMBHHOFFMANN LA ROCHEWEHOWSKI FREDERICASFOUR JEAN-MICHELROESICKE BERNDHEBESTREIT KAILIMBURG BERND
    • WEHOWSKI FREDERICASFOUR JEAN-MICHELROESICKE BERNDHEBESTREIT KAILIMBURG BERND
    • G01J1/44G01J1/42G01N21/27
    • G01J1/04G01J1/0214G01J1/0425G01J1/1626G01J1/4204G01J1/4228G01J1/44G01J2001/444G01N21/274
    • The invention refers to a Medical test device for the optical determination of a medically important analyte in an aqueous fluid sample, particularly in blood, said test device comprising: a light source (5) for irradiating a sample with primary light (4), a signal lightdetector (10) which provides an analogue measurement signal characterizing the intensity of detected light and which is arranged for detection of secondary light (6) resulting from interaction of primary light (4) with the sample, a base lightdetector (13) which provides an analogue base signal characterizing the intensity of detected light and which is arranged for detection of ambient light (9) , which may contain primary light (4) , analyzing means (15) for analyzing the signals created by the signal lightdetector (10) and the base lightdetector (13) in order to determine the presence and/or concentration of the analyte in the sample. In order to compensate for the part of the measurement signal caused by ambient light (9) , which is detected by the signal lightdetector (10) in addition to secondary light (6) , the signal lightdetector (10) and the base lightdetector (13) are connected to a common line (14) , which leads to the analyzing means (15) , in such a way that the analogue signals created by the lightdetectors (10,13) are subtracted from each other resulting in a compensated analogue signal provided to the analyzing means (15).
    • 本发明涉及用于光学测定含水流体样品中特别是血液中的医学上重要的分析物的医疗测试装置,所述测试装置包括:用于用原始光(4)照射样品的光源(5) 信号光检测器(10),其提供表征检测光的强度的模拟测量信号,并且被布置用于检测由原色光(4)与样品的相互作用产生的二次光(6),基光检测器(13) 模拟基本信号,其表征检测到的光的强度,并且被布置用于检测可能包含初级光的环境光(9);用于分析由信号光检测器(10)产生的信号的分析装置(15)和 基底光检测器(13),以便确定样品中分析物的存在和/或浓度。 信号光检测器(10)和基准光检测器(13)为了补偿由除了次级光(6)之外的由信号光检测器(10)检测的由环境光(9)引起的部分测量信号, )连接到公共线路(14),其通向分析装置(15),使得由光检测器(10,13)产生的模拟信号彼此相减,从而产生经补偿的模拟信号 到分析装置(15)。
    • 4. 发明申请
    • MEDICAL TEST DEVICE AND METHOD FOR THE OPTICAL DETERMINATION OF AN ANALYTE COMPRISING MEANS FOR COMPENSATING THE AMBIENT LIGHT BACKGROUND
    • 用于光学测定包含用于补偿环境光的装置的分析物的医学测试装置和方法背景技术
    • WO2007009541A1
    • 2007-01-25
    • PCT/EP2006/005821
    • 2006-06-17
    • ROCHE DIAGNOSTICS GMBHF.HOFFMANN-LA ROCHE AGWEHOWSKI, FredericASFOUR, Jean-MichelROESICKE, BerndHEBESTREIT, KaiLIMBURG, Bernd
    • WEHOWSKI, FredericASFOUR, Jean-MichelROESICKE, BerndHEBESTREIT, KaiLIMBURG, Bernd
    • G01J1/44G01N21/27G01J1/42
    • G01J1/04G01J1/0214G01J1/0425G01J1/1626G01J1/4204G01J1/4228G01J1/44G01J2001/444G01N21/274
    • The invention refers to a Medical test device for the optical determination of a medically important analyte in an aqueous fluid sample, particularly in blood, said test device comprising: a light source (5) for irradiating a sample with primary light (4), a signal lightdetector (10) which provides an analogue measurement signal characterizing the intensity of detected light and which is arranged for detection of secondary light (6) resulting from interaction of primary light (4) with the sample, a base lightdetector (13) which provides an analogue base signal characterizing the intensity of detected light and which is arranged for detection of ambient light (9) , which may contain primary light (4) , analyzing means (15) for analyzing the signals created by the signal lightdetector (10) and the base lightdetector (13) in order to determine the presence and/or concentration of the analyte in the sample. In order to compensate for the part of the measurement signal caused by ambient light (9) , which is detected by the signal lightdetector (10) in addition to secondary light (6) , the signal lightdetector (10) and the base lightdetector (13) are connected to a common line (14) , which leads to the analyzing means (15) , in such a way that the analogue signals created by the lightdetectors (10,13) are subtracted from each other resulting in a compensated analogue signal provided to the analyzing means (15).
    • 本发明涉及一种用于光学测定水性流体样品中,尤其是血液中的医学重要分析物的医学测试设备,所述测试设备包括:光源(5),用于照射样品 (4)提供信号光检测器(10),所述信号光检测器提供表征检测到的光的强度的模拟测量信号,并且所述信号光检测器被设置用于检测由所述一次光(4)与所述样本相互作用产生的次级光(6) 提供表征检测到的光的强度的模拟基础信号的基础光检测器(13),分析装置(15)用于分析所产生的信号,所述模拟基础信号被设置用于检测可包含初级光(4)的环境光(9) 通过信号光检测器(10)和基础光检测器(13)来确定样品中分析物的存在和/或浓度。 为了补偿由信号光检测器(10)除了辅助光(6)以外还检测到的由环境光(9)引起的测量信号的部分,信号光检测器(10)和基础光检测器(13 )连接到通向分析装置(15)的共同线路(14),使得由光检测器(10,13)产生的模拟信号彼此相减,从而提供补偿的模拟信号 到分析装置(15)。