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    • 7. 发明授权
    • High performance fluorescent optical sensor
    • 高性能荧光光学传感器
    • US06940590B2
    • 2005-09-06
    • US10316188
    • 2002-12-11
    • Arthur E. Colvin, Jr.Steven J. Walters
    • Arthur E. Colvin, Jr.Steven J. Walters
    • G01N21/64G01N21/77G01J1/42G01N21/01
    • G01N21/645G01N21/6428G01N21/7703G01N2201/0642
    • An optical sensor device for determining the presence or concentration of an analyte, contains a waveguide disposed over a light source and a light detector mounted on a surface of a substrate and separated by an internal baffle, wherein the waveguide has a thickness corresponding to a far field emission point of the light source as determined by a light shielding baffle between the light source and light detector. An analyte indicator matrix is disposed on the outer surface of the waveguide. The sensor device geometry takes advantage of only direct illumination of the indicator matrix, and direct collection of indicator matrix illumination, without any significant reflection by said waveguide. Undesirable light noise generated by the light source passes directly out of the device through the waveguide.
    • 用于确定分析物的存在或浓度的光学传感器装置包含设置在光源上的波导和安装在基板的表面上并由内部挡板隔开的光检测器,其中波导具有对应于远的 由光源和光检测器之间的遮光挡板确定的光源的场发射点。 分析物指示矩阵设置在波导的外表面上。 传感器装置的几何形状仅利用指示矩阵的直接照明,并且直接收集指示矩阵照明,而不会被所述波导的任何明显的反射。 由光源产生的不良光线噪声通过波导直接从器件中流出。
    • 8. 发明授权
    • Optical-based sensing devices
    • 光传感器
    • US06711423B2
    • 2004-03-23
    • US09963798
    • 2001-09-27
    • Arthur E. Colvin, Jr.
    • Arthur E. Colvin, Jr.
    • A61B500
    • A61B5/076A61B5/0031A61B5/14532A61B5/14552A61B5/1459A61B5/6861A61B2560/0219A61B2562/12G01N21/552G01N21/6428G01N21/648G01N21/77G01N21/7703G01N33/54373G01N2021/7773G01N2021/7783G01N2021/7786Y10S128/903
    • An optical-based sensor for detecting the presence or amount of an analyte using both indicator and reference channels. The sensor has a sensor body with a source of radiation embedded therein. Radiation emitted by the source interacts with indicator membrane indicator molecules proximate the surface of the body. At least one optical characteristic of these indicator molecules varies with analyte concentration. For example, the level of fluorescence of fluorescent indicator molecules or the amount of light absorbed by light-absorbing indicator molecules can vary as a function of analyte concentration. In addition, radiation emitted by the source also interacts with reference membrane indicator molecules proximate the surface of the body. Radiation (e.g., light) emitted or reflected by these indicator molecules enters and is internally reflected in the sensor body. Photosensitive elements within the sensor body generate both indicator channel and reference channel signals to provide an accurate indication of the concentration of the analyte. Preferred embodiments are totally self-contained and are sized and shaped for use in vivo in a human being. Such embodiments preferably include a power source, e.g. an inductor, which powers the source of radiation using external means, as well as a transmitter, e.g. an inductor, to transmit to external pickup means the signal representing the level of analyte.
    • 一种光学传感器,用于使用指示器和参考通道来检测分析物的存在或量。 该传感器具有一个传感器体,其中嵌有辐射源。 源发射的辐射与靠近身体表面的指示剂膜指示剂分子相互作用。 这些指示剂分子的至少一种光学特性随分析物浓度而变化。 例如,荧光指示剂分子的荧光水平或光吸收指示剂分子吸收的光量可以作为分析物浓度的函数而变化。 此外,源发射的辐射也与靠近身体表面的参考膜指示剂分子相互作用。 由这些指示剂分子发射或反射的辐射(例如,光)进入并在内部反射在传感器主体中。 传感器体内的感光元件产生指示通道和参考通道信号,以提供分析物浓度的准确指示。 优选的实施方案是完全独立的并且其尺寸和形状用于人体内的体内。 这样的实施例优选地包括电源,例如电源。 电感器,其使用外部装置为辐射源供电,以及发射器,例如, 电感器,用于向外部拾取装置传输表示分析物水平的信号。
    • 9. 发明授权
    • Optical-based sensing devices
    • 光传感器
    • US06330464B1
    • 2001-12-11
    • US09383148
    • 1999-08-26
    • Arthur E. Colvin, Jr.Gregory A. DalePaul Samuel ZerwekhJeffery C. LeshoRobert W. Lynn
    • Arthur E. Colvin, Jr.Gregory A. DalePaul Samuel ZerwekhJeffery C. LeshoRobert W. Lynn
    • A61B500
    • A61B5/076A61B5/0031A61B5/14532A61B5/14552A61B5/1459A61B5/6861A61B2560/0219A61B2562/12G01N21/552G01N21/6428G01N21/648G01N21/77G01N21/7703G01N33/54373G01N2021/7773G01N2021/7783G01N2021/7786Y10S128/903
    • An optical-based sensor for detecting the presence or amount of an analyte using both indicator and reference channels. The sensor has a sensor body with a source of radiation embedded therein. Radiation emitted by the source interacts with indicator membrane indicator molecules proximate the surface of the body. At least one optical characteristic of these indicator molecules varies with analyte concentration. For example, the level of fluorescence of fluorescent indicator molecules or the amount of light absorbed by light-absorbing indicator molecules can vary as a function of analyte concentration. In addition, radiation emitted by the source also interacts with reference membrane indicator molecules proximate the surface of the body. Radiation (e.g., light) emitted or reflected by these indicator molecules enters and is internally reflected in the sensor body. Photosensitive elements within the sensor body generate both indicator channel and reference channel signals to provide an accurate indication of the concentration of the analyte. Preferred embodiments are totally self-contained and are sized and shaped for use in vivo in a human being. Such embodiments preferably include a power source, e.g. an inductor, which powers the source of radiation using external means, as well as a transmitter, e.g. an inductor, to transmit to external pickup means the signal representing the level of analyte.
    • 一种光学传感器,用于使用指示器和参考通道来检测分析物的存在或量。 该传感器具有一个传感器体,其中嵌有辐射源。 源发射的辐射与靠近身体表面的指示剂膜指示剂分子相互作用。 这些指示剂分子的至少一种光学特性随分析物浓度而变化。 例如,荧光指示剂分子的荧光水平或光吸收指示剂分子吸收的光量可以作为分析物浓度的函数而变化。 此外,源发射的辐射也与靠近身体表面的参考膜指示剂分子相互作用。 由这些指示剂分子发射或反射的辐射(例如,光)进入并在内部反射在传感器主体中。 传感器体内的感光元件产生指示通道和参考通道信号,以提供分析物浓度的准确指示。 优选的实施方案是完全独立的并且其尺寸和形状用于人体内的体内。 这样的实施例优选地包括电源,例如电源。 电感器,其使用外部装置为辐射源供电,以及发射器,例如, 电感器,用于向外部拾取装置传输表示分析物水平的信号。