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    • 7. 发明授权
    • Capsule medical apparatus guidance system
    • 胶囊医疗器械指导系统
    • US08821398B2
    • 2014-09-02
    • US13052509
    • 2011-03-21
    • Hironao KawanoJohannes ReinschkeWolfgang Schmidt
    • Hironao KawanoJohannes ReinschkeWolfgang Schmidt
    • A61B5/07A61B1/04A61B1/00A61B19/00
    • A61B1/041A61B1/00158A61B2034/732
    • A system includes a capsule body having a casing introduced into a subject to perform, in liquid, examination of or treatment on the interior of the subject, the casing containing a permanent magnet, a mass of the casing excluding the magnet being set to be less than a product of a volume of the casing and a density of the liquid; a magnetic field generator that generates a magnetic attraction for the magnet to guide the capsule body; and a magnetic field generation device that controls the magnetic field generator to generate the magnetic attraction by setting a maximum value of the generated magnetic attraction vertically upward to the capsule body, to be equal to a maximum value of the generated magnetic attraction vertically downward to the capsule body, and by setting the maximum values to be less than a value obtained by multiplying a mass of the magnet by a gravitational acceleration.
    • 一种系统,包括:胶囊主体,其具有引入到对象中的壳体,以在液体中对被检体内部进行检查或处理,所述壳体包含永磁体,所述壳体的质量除了所述磁体被设定为较小 比体积的外壳的产品和液体的密度; 产生用于磁体引导胶囊主体的磁吸引力的磁场发生器; 以及磁场产生装置,其通过将所产生的磁性吸引物的最大值垂直向上设置到胶囊主体来控制磁场发生器以产生磁吸引力,使其等于产生的磁吸引物的最大值垂直向下到 并且通过将最大值设定为小于通过将磁体的质量乘以重力加速度而获得的值。