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    • 5. 发明授权
    • Wetness sensor
    • 湿度传感器
    • US07973667B2
    • 2011-07-05
    • 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。