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    • 4. 发明申请
    • COMPOSITIONS AND METHODS FOR MONITORING BIOMETRIC INDICATORS
    • 用于监测生物指示剂的组合物和方法
    • WO2013123285A1
    • 2013-08-22
    • PCT/US2013/026277
    • 2013-02-15
    • PHARMACOPHOTONICS, INC.
    • MEIER, DanielMOLITORIS, BruceSHERIDAN, ErinnSANDOVAL, Ruben
    • A61B6/00
    • A61K49/0017A61B5/0071A61B5/0088A61B5/14535A61B5/1455A61B5/201A61B5/682A61K49/0004
    • Methods of measurement of biometric indicators in a mammalian subject are described. Biometric indicators of interest include hematocrit, plasma volume, volume of distribution, and glomerular filtration rate. The methods are especially applicable to subjects with rapid blood loss and to subjects with unstable hematocrits. Hematocrit may be measured by administering an injectate with a dynamic fluorescent marker and a static fluorescent marker, or a single static marker with two fluorescent tags, into the vascular system of the subject, and monitoring the emission intensities of the markers or fluorescent tags over a period of time. Hematocrit may then be calculated using a calibrated spectrometric analyzer by determining the raw ratio of the markers at T0, calculating the apparent hematocrit, and applying a correction factor.
    • 描述了哺乳动物受试者中生物特征指示物的测量方法。 感兴趣的生物特征指标包括血细胞比容,血浆体积,分布体积和肾小球滤过率。 该方法特别适用于快速失血的受试者和具有不稳定血细胞比容的受试者。 可以通过将具有动态荧光标记物和静态荧光标记物的注射剂或具有两个荧光标签的单个静态标记物注射到受试者的血管系统中来测量血细胞比容,并且通过对受试者的血管系统监测标记物或荧光标签的发射强度 一段的时间。 然后可以使用校准的光谱分析仪通过确定T0处的标记物的原始比率,计算明显的血细胞比容和应用校正因子来计算血细胞比容。
    • 5. 发明申请
    • SELF-PUNCTURING PERCUTANEOUS OPTICAL SENSOR FOR OPTICAL SENSING OF INTRAVASCULAR FLUID
    • 自我激光光学传感器,用于光学感应血管内流体
    • WO2010127089A1
    • 2010-11-04
    • PCT/US2010/032934
    • 2010-04-29
    • PHARMACOPHOTONICS, INC.RUBIN, MatthewMEIER, Daniel J.
    • RUBIN, MatthewMEIER, Daniel J.
    • A61B5/00
    • A61B5/1459A61B5/14546A61B5/1473A61B5/6848
    • The present invention is directed to a self-penetrating percutaneous optical sensing device for obtaining and transmitting optical signal from intravascular fluid in a blood vessel, the device comprising: (a) an elongated hollow rigid sensor sheath 20 having a proximal end 21, a distal end 22 and a central channel extending along the sensor sheath, wherein the distal end 22 of the sensor sheath 20 is sufficiently sharpened to puncture a cutaneous barrier and the sensor sheath 20 has a sufficient length to allow the sensor sheath 20 to penetrate into intravascular space of a blood vessel; (b) a flexible optical fiber 30 having a proximal end and a distal end situated coherently within the central channel of the sensor sheath 20 wherein the sensor sheath 20 covers a portion of the distal end of the flexible optical fiber 30 and wherein the distal end of the flexible optical fiber 30 aligns with the distal end 22 of the sensor sheath 20; and (c) an optical sensor 40 connected to the distal end of the flexible optical fiber 30 wherein optical signal generated at the optical sensor 40 can be transmitted from the optical sensor 40 to the proximal end of the flexible optical fiber 30 via the flexible optical fiber 30 and wherein the optical sensor 40 has direct access to the intravascular fluid of the blood vessel.
    • 本发明涉及一种用于从血管中的血管内流体获得和传输光信号的自穿透经皮光学感测装置,该装置包括:(a)细长的中空刚性传感器护套20,其具有近端21,远端 端部22和沿着传感器护套延伸的中心通道,其中传感器护套20的远端22被充分地锐化以刺穿皮肤屏障,并且传感器护套20具有足够的长度以允许传感器护套20穿透入血管内空间 的血管 (b)柔性光纤30,其具有相邻地位于传感器护套20的中心通道内的近端和远端,其中传感器护套20覆盖柔性光纤30的远端的一部分,并且其中远端 柔性光纤30与传感器护套20的远端22对准; 以及(c)连接到柔性光纤30的远端的光学传感器40,其中在光学传感器40处产生的光信号可以经由柔性光学器件从光学传感器40传输到柔性光纤30的近端 光纤30,并且其中光学传感器40可以直接进入血管的血管内流体。