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    • 6. 发明授权
    • Early stage peritonitis detection apparatus and methods
    • 早期腹膜炎检测仪及方法
    • US08801652B2
    • 2014-08-12
    • US11880656
    • 2007-07-23
    • Frank J. LandherrLynn E. JensenJay M. Lan
    • Frank J. LandherrLynn E. JensenJay M. Lan
    • A61M1/00G06F19/00B01D61/00
    • A61M1/28A61M2205/331
    • The invention provides, inter alia, automated medical methods and apparatus that test PD effluent in a flow path (e.g., with an APD system or CAPD setup) to detect, for example, the onset of peritonitis, based on optical characteristics of the effluent resolved at cellular scales of distance. For example, according to one aspect of the invention, an APD machine includes, in an effluent flow path, apparatus for early stage peritonitis detection comprising an illumination source and a detector. The source is arranged to illuminate peritoneal effluent in a chamber that forms part of the flow path, and the detector is arranged to detect illuminant scattered by the effluent. The detector detects that reflected or scattered illuminant at a cellular scale of resolution, e.g., on a scale such that separate cellular-sized biological (or other) components in the effluent can be distinguished from one another based on scattering events detected by the detector.
    • 本发明尤其提供了一种自动化医疗方法和装置,其基于流出物的光学特性来测定PD流出物在流动路径(例如,使用APD系统或CAPD装置)中以检测例如腹膜炎的发作, 在距离的细胞尺度。 例如,根据本发明的一个方面,APD机器在流出物流路中包括用于早期腹膜炎检测的装置,其包括照明源和检测器。 来源设置为照射形成流路的一部分的室中的腹膜流出物,并且检测器被布置成检测由流出物散射的发光体。 检测器以分辨率的细胞尺度(例如,尺度)检测反射或散射的光源,使得流出物中的分离的细胞大小的生物(或其他)组分可以基于由检测器检测到的散射事件彼此区分开。
    • 8. 发明申请
    • WETNESS SENSOR
    • 湿度传感器
    • US20090322543A1
    • 2009-12-31
    • US12556849
    • 2009-09-10
    • Martin CrnkovichPeter ChristensenRoland Levin
    • Martin CrnkovichPeter ChristensenRoland Levin
    • G08B21/00
    • A61M1/367A61F13/42A61M1/3656A61M2205/13A61M2205/15A61M2205/3561A61M2205/3592
    • The present invention relates to a wetness detector system that rapidly detects the presence of wetness due to a liquid leak in a system. The wetness detector system contains a reusable wetness sensor that is able to accurately detect the presence of wetness and, in the case of an extracorporeal blood treatment, the presence of blood. The wetness detector system can quickly alert both a user and medical personnel that a liquid leak has been detected in a treatment system and, if necessary, halt the removal of liquids and/or blood from the patient. If a liquid leak is not detected for a period of time, the wetness sensor can enter a low power state, extending the life of the device. The wetness detector system can monitor a number of wetness sensors simultaneously, which would, for example, eliminate the need for medical personnel to continuously inspect numerous patients visually for potentially fatal blood leaks due to needle dislodgement during an extracorporeal blood treatment.
    • 本发明涉及一种湿度检测器系统,其快速检测由于系统中的液体泄漏引起的湿度的存在。 湿度检测器系统包含可重复使用的湿度传感器,其能够精确地检测湿度的存在,并且在体外血液处理的情况下,存在血液。 湿度检测器系统可以快速警告用户和医务人员在处理系统中检测到液体泄漏,并且如果需要,停止从患者中去除液体和/或血液。 如果在一段时间内没有检测到液体泄漏,则湿度传感器可以进入低功率状态,延长设备的使用寿命。 湿度检测器系统可以同时监测多个湿度传感器,这将例如消除医疗人员在体外血液处理期间由于针头移位导致视觉上连续检查大量患者潜在的致命血液渗漏的需要。