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    • 4. 发明授权
    • Blood pump having magnetic attraction force adjuster
    • 血泵具有磁吸力调节器
    • US5683231A
    • 1997-11-04
    • US675014
    • 1996-07-03
    • Tadashi NakazawaYoshiyuki TakamiKenzo MakinouchiYukihiko Nose
    • Tadashi NakazawaYoshiyuki TakamiKenzo MakinouchiYukihiko Nose
    • A61M1/10F04D13/02F04B17/03
    • A61M1/101A61M1/1036F04D13/026F04D13/027Y10S415/90
    • A blood pump used for heart-lung machines comprising an impeller, a casing having a suction inlet and a delivery outlet and rotatably encasing the impeller, a magnetic driver disposed outside the casing, and a magnetic attraction force adjuster. The impeller has a rotationally symmetric shape, such as a conical shape, is equipped with vanes having a pumping function on the side surface thereof and is also equipped with magnets, such as permanent magnets. The magnetic driver for rotating the impeller in cooperation with the magnets comprises a magnet assembly magnetically connected to the magnets and a rotation driver for rotating the magnet assembly. The magnetic attraction force adjuster adjusts the magnetic attraction force generated between the magnets and the magnet assembly by adjusting the gap between the magnets and the magnet assembly or by adjusting the exciting current of electromagnets when electromagnets are used for the magnet assembly. One of the pivot and pivot bearing for supporting the rotation shaft of the impeller is made of ceramics and the other is made of synthetic resin.
    • 一种用于心肺机器的血泵,包括叶轮,具有吸入口和输出出口的壳体,并且可旋转地包围叶轮,设置在壳体外部的磁性驱动器和磁吸引力调节器。 叶轮具有诸如圆锥形的旋转对称形状,在其侧表面上装备有具有泵送功能的叶片,并且还配备有诸如永磁体的磁体。 用于与磁体协作旋转叶轮的磁驱动器包括磁力连接到磁体的磁体组件和用于旋转磁体组件的旋转驱动器。 磁力吸引力调节器通过调节磁体和磁体组件之间的间隙,或者当电磁铁用于磁体组件时,通过调节电磁体的励磁电流来调节磁体和磁体组件之间产生的磁吸引力。 用于支撑叶轮的旋转轴的枢轴和枢转轴承之一由陶瓷制成,另一个由合成树脂制成。
    • 7. 发明授权
    • Blood pump having magnetic attraction
    • 血泵具有吸引力
    • US5575630A
    • 1996-11-19
    • US512307
    • 1995-08-08
    • Tadashi NakazawaYoshiyuki TakamiKenzo MakinouchiYukihiko Nose
    • Tadashi NakazawaYoshiyuki TakamiKenzo MakinouchiYukihiko Nose
    • A61M1/10F04D13/02F04B17/03
    • A61M1/101A61M1/1036F04D13/026F04D13/027Y10S415/90
    • A blood pump used for heart-lung machines comprising an impeller, a casing having a suction inlet and a delivery outlet and rotatably encasing the impeller, a magnetic driver disposed outside the casing, and a magnetic attraction force adjuster. The impeller has a rotationally symmetric shape, such as a conical shape, is equipped with vanes having a pumping function on the side surface thereof and is also equipped with magnets, such as permanent magnets. The magnetic driver for rotating the impeller in cooperation with the magnets comprises a magnet assembly magnetically connected to the magnets and a rotation driver for rotating the magnet assembly. The magnetic attraction force adjuster adjusts the magnetic attraction force generated between the magnets and the magnet assembly by adjusting the gap between the magnets and the magnet assembly or by adjusting the exciting current of electromagnets when electromagnets are used for the magnet assembly. One of the pivot and pivot bearing for supporting the rotation shaft of the impeller is made of ceramics and the other is made of synthetic resin.
    • 一种用于心肺机器的血泵,包括叶轮,具有吸入口和输出出口的壳体,并且可旋转地包围叶轮,设置在壳体外部的磁性驱动器和磁吸引力调节器。 叶轮具有诸如圆锥形的旋转对称形状,在其侧表面上装备有具有泵送功能的叶片,并且还配备有诸如永磁体的磁体。 用于与磁体协作旋转叶轮的磁驱动器包括磁力连接到磁体的磁体组件和用于旋转磁体组件的旋转驱动器。 磁力吸引力调节器通过调节磁体和磁体组件之间的间隙,或者当电磁铁用于磁体组件时,通过调节电磁体的励磁电流来调节磁体和磁体组件之间产生的磁吸引力。 用于支撑叶轮的旋转轴的枢轴和枢转轴承之一由陶瓷制成,另一个由合成树脂制成。