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    ABSAUGVORRICHTUNG
    2.
    发明公开
    ABSAUGVORRICHTUNG 有权
    吸

    公开(公告)号：EP2661287A1

    公开(公告)日：2013-11-13

    申请号：EP11801604.7

    申请日：2011-12-15

    申请人： Georg-August-Universität Göttingen - Stiftung Öffentlichen Rechts/Universitätsmedizin

    发明人： FRIEDRICH, Martin

    IPC分类号： A61M1/00

    CPC分类号： A61M1/0031 ,  A61M1/0025 ,  A61M1/0033 ,  A61M1/0035 ,  A61M2205/3344 ,  A61M2205/3375 ,  F04B2205/12

    摘要： The invention relates to a suction device for suctioning liquids, comprising a suction element, which is provided with at least one suction opening for receiving the liquid, and a pump which is connected to the suction element and which is equipped to generate a suction vacuum in the suction element. A control device and at least one sensor which is connected to the control device are provided, said control device being equipped to influence the suction power acting on the suction opening dependent on the signals received by the sensor. The aim of the invention is to provide a suction device for suctioning liquids, said device operating with greater efficiency than known suction devices. Additionally, there is a requirement in the medical field to provide a medical suction device which prevents the resulting damage to blood components during automatic operation to the greatest possible extent. This is achieved in that the sensor is designed as an acoustic wave sensor. Said acoustic wave sensor is equipped to sense acoustic waves which are generated by the suction element during the operation of the suction element.