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    • 1. 发明授权
    • Methods and devices for noninvasive measurement of energy absorbers in blood
    • 用于无创测量血液中能量吸收器的方法和装置
    • US08818472B2
    • 2014-08-26
    • US12679721
    • 2008-09-29
    • Dietrich GravensteinMark RiceSamsun LampotangNikolaus GravensteinLori Deitte
    • Dietrich GravensteinMark RiceSamsun LampotangNikolaus GravensteinLori Deitte
    • A61B5/00
    • A61B8/06A61B5/14552
    • Various embodiments of the present invention include devices for use in determining the concentration of a tissue energy absorber (e.g., hemoglobin) in an individual's blood. In particular embodiments, the device includes a photometric device (e.g., a pulse oximeter) and an imaging device (e.g., an ultrasound imaging device or other suitable imaging device), and the device is adapted for: (A) using the photometric device to measure a change in mass of the tissue energy absorber within a particular volume of the individual's blood between a first point in time and a second point in time, the particular volume of blood being blood within a particular portion of at least one vascular structure, the vascular structure comprising at least one of the individual's vessels (e.g., at least one of the individual's arteries); (B) using an ultrasound imaging device to measure a change in interior volume, between the first point in time and the second point in time, of the particular portion of the vascular structure; and (C) using both the measured change in the mass of the tissue energy absorber, and the measured change in interior volume to determine at least an approximate blood total concentration of the tissue energy absorber within the individual's blood.
    • 本发明的各种实施方案包括用于确定个体血液中的组织能量吸收剂(例如,血红蛋白)的浓度的装置。 在特定实施例中,该装置包括测光装置(例如,脉搏血氧计)和成像装置(例如,超声成像装置或其它合适的成像装置),并且该装置适于:(A)使用光度装置 测量在第一时间点和第二时间点之间的个体血液的特定体积内的组织能量吸收器的质量变化,血液的特定体积是至少一个血管结构的特定部分内的血液, 血管结构包括个体血管中的至少一个(例如,个体动脉中的至少一个); (B)使用超声成像装置来测量血管结构的特定部分的第一时间点和第二时间点之间的内部体积的变化; 和(C)使用所测量的组织能量吸收器的质量的变化和所测量的内部体积的变化来确定个体血液内的组织能量吸收器的至少近似血液总浓度。
    • 6. 发明授权
    • CO.sub.2 diagnostic monitor with rupturable container
    • 具有可破裂容器的二氧化碳诊断监视器
    • US5156159A
    • 1992-10-20
    • US505689
    • 1990-04-09
    • Samsun LampotangJoachim S. GravensteinNikolaus GravensteinMichael J. BannerDietrich Gravenstein
    • Samsun LampotangJoachim S. GravensteinNikolaus GravensteinMichael J. BannerDietrich Gravenstein
    • A61M16/04
    • A61M16/0488A61M2016/0413
    • A diagnostic monitor checks the carbon dioxide (CO.sub.2) content of a gas exiting a patient during endotracheal or esophageal intubation. A plurality of composition portions substantially change color in response to exposure to the carbon dioxide. The composition portions change color in response to different times of exposure to carbon dioxide. A magnifying or condensing lens may be positioned on the monitor to enhance viewing of the color change. The monitor may advantageously be made part of an intubation system through which the gases from a patient exit the patient. The differences in time of exposure needed to cause the color change may be accomplished by using semipermeable membranes having differing thicknesses, CO.sub.2 permeabilities, and/or surface areas with each membrane corresponding to a particular one of the composition portions. An arrangement is provided whereby the monitor is automatically activated by the normal assembly steps of a patient breathing circuit.
    • 诊断监测器检查在气管插管或食管插管期间离开患者的气体的二氧化碳(CO2)含量。 多个组合物部分基于暴露于二氧化碳而显着改变颜色。 组合物部分响应于暴露于二氧化碳的不同时间而改变颜色。 可以将放大或聚光透镜放置在监视器上以增强对颜色变化的观察。 可以有利地将监护仪制成插管系统的一部分,来自患者的气体通过该插管系统离开患者。 导致颜色变化所需的曝光时间差异可以通过使用具有不同厚度的半透膜,CO 2渗透性和/或表面积来实现,其中每个膜对应于组合物部分的特定一个。 提供了一种布置,由此通过患者呼吸回路的正常组装步骤自动启动监视器。