Respiratory humidification system
    28.
    再颁专利
    Respiratory humidification system 有权
    呼吸加湿系统

    公开(公告)号:USRE39724E1

    公开(公告)日:2007-07-17

    申请号:US10900072

    申请日:2004-07-27

    Abstract: A flow probe for use in a humidification system is disclosed. The flow probe is adapted to be positioned in a humidified gases flow (for example oxygen or anesthetic gases) such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both temperature and flow rate sensing of the gases flow by incorporating two sensors (preferably thermistors) and the shape and alignment of the probe enables accurate readings by reducing the occurrence of condensation on the sensors. A number of possible applications are disclosed wherein the flow sensor is included in humidification control systems which provide a patient with a desired humidity level or simplify the amount of user input required or wherein the flow sensor provides a controller with flow information which may then be used to determine certain, possibly dangerous, conditions (such as incorrect flow sensor placement, breathing circuit disconnected, no water in the humidification chamber or humidity out of required limits).

    Abstract translation: 公开了一种用于加湿系统中的流量探头。 流量探头适于定位在加湿的气体流(例如氧气或麻醉气体)中,例如在医院环境中提供给患者的气体流。 流量探头设计成通过结合两个传感器(最好是热敏电阻)来提供气流的温度和流速检测,并且探头的形状和对准可以通过减少传感器上的冷凝水的发生来获得精确的读数。 公开了许多可能的应用,其中流量传感器被包括在加湿控制系统中,该加湿控制系统为患者提供所需的湿度水平或简化所需的用户输入量,或者其中流量传感器向控制器提供可以使用的流量信息 确定某些可能危险的条件(例如错误的流量传感器放置,呼吸回路断开,加湿室中没有水或湿度超出所需限度)。

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