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    Airway adapter for use with closed suction catheter system
    1.
    发明公开
    Airway adapter for use with closed suction catheter system 失效
    Luftwegadapterfürein geschlossenes Ansaugkathetersystem。

    公开(公告)号：EP0466334A1

    公开(公告)日：1992-01-15

    申请号：EP91305279.1

    申请日：1991-06-12

    Applicant: NELLCOR INCORPORATED

    Inventor： Etter, Jeffrey W.

    IPC: A61M16/08 ,  G01N1/24

    CPC classification number: A61M16/08 ,  A61M16/0463 ,  A61M16/0833 ,  A61M16/085 ,  A61M16/1065 ,  A61M25/0111 ,  A61M2205/7536 ,  G01N33/497 ,  Y10S128/26 ,  Y10S128/912

    Abstract: A gas analyzer airway adapter (12) that permits insertion of a suction tube (22) into the patient without removal of the airway adapter (12) from the patient. The adapter body has three ports. A patient port (30) is formed in the main section of the adapter body and has a fitting that attaches to the endotracheal tube (10). A sample port (34) is formed in a smaller diameter passage extending from the main body and attaches to the sample intake of a gas analyzer (14). The central axis of the smaller diameter passage is preferably parallel to the central axis of the main body of the adapter (12). Finally, a ventilator port (32) is formed in a passage whose central axis extends at approximately a 31 degree angle from the central axis of the main body. A hub/filter (36) assembly is disposed in the smaller diameter passage of the airway adapter (12), and a longitudinal filter (36) extends into the main body of the adapter (12). A tube guide (42) is disposed below the filter (36) within the main body of the adapter (12). The purpose of the guide (42) is to protect the longitudinal filter (36) and to direct the movement of the suction tube (22) as discussed below.

    Abstract translation: 一种气体分析器气道适配器（12），其允许将吸管（22）插入患者体内而不从患者移除气道适配器（12）。 适配器主体有三个端口。 患者口（30）形成在适配器主体的主要部分中并且具有附接到气管内管（10）的配件。 样品口（34）形成在从主体延伸的较小直径的通道中并附着到气体分析器（14）的样品进样口。 较小直径通道的中心轴线优选地平行于适配器（12）的主体的中心轴线。 最后，通风口（32）形成在中心轴线与主体的中心轴线大致成31度角的通道中。 轮毂/过滤器（36）组件设置在气道适配器（12）的较小直径通道中，并且纵向过滤器（36）延伸到适配器（12）的主体中。 管引导件（42）设置在适配器（12）的主体内的过滤器（36）的下方。 引导件（42）的目的是保护纵向过滤器（36）并引导吸管（22）的移动，如下所述。

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