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发明授权
CN101502690B 呼吸装置 有权 复审申请

呼吸装置
摘要：
本发明涉及一种产生加压可呼吸气流的流体发生器和一种向患者输送加压可呼吸气流的装置。所述流体发生器包括圆柱形壳体和支撑在壳体中的马达。马达具有包括第一端和与第一端相对的第二端的轴杆。轴杆与马达的轴线大致重合。第一叶轮连在轴杆的第一端而第二叶轮连在轴杆的第二端。壳体包括邻近轴杆的第一端以及位于第一和第二叶轮之间的至少一个出口，并且入口轴线与马达轴线大致重合。至少一个出口具有与马达轴线大致相切的出口轴线。向患者输送加压可呼吸气流的装置包括流体发生器和容纳流体发生器的外壳。外壳被配置为接合患者的头顶或者安装适于环绕患者手臂或胸的绑带。所述装置进一步包括至少一个输送管路以及患者接口，输送管路传送加压可呼吸气流，患者接口接收来自至少一个输送管路的加压可呼吸气流并将所述气流输送到患者的气道。
摘要（英）：

A flow generator (4) for generating a flow of pressurized breathable gas includes a cylindrical housing (24,34) and a motor (44) supported in the housing (24,34). The motor (44) has a shaft (45) having a first end and a second end opposite the first end. The shaft (45) is generally coincident with an axis of the motor (44). A first impeller (36) is attached to the first end of the shaft (45) and a second impeller (42) is attached to the second end of the shaft (45). A stator (38) directs an air flow (F) from the first impeller (36) back towards the motor axis. The housing (24,34) includes an inlet (26) adjacent the first end of the shaft (45) having an inlet axis generally coincident with the motor axis and at least one outlet (28,30) between the first and second impellers (36,42). The at least one outlet (28,30) has an outlet axis generally tangential to the motor axis.

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