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    • 10. 发明申请
    • MAGNETIC CIRCUMFERENTIALLY COUPLED IMPLANTABLE PUMP
    • 磁性圆形连接可植入泵
    • WO2005018708A2
    • 2005-03-03
    • PCT/US2004/026781
    • 2004-08-18
    • THERANOVA, LLCBURNETT, Daniel, R.
    • BURNETT, Daniel, R.
    • A61M
    • A61K9/0009A61K9/0024A61M5/14276A61M2205/8287
    • A magnetic circumferentially-coupled implantable pump is disclosed herein. A magnetically coupled implantable actuation system utilizes a magneticallyt-coupled drive mechanism configured to generate power for implantable medical devices. One variation generally comprise a drive magnet having a first radius and adapted to rotate about a longitudinal axis when urged, and a driven magnet defining a second radius, which is less than the first radius. This driven magnet is adapted to be implanted within a body rotate about the longitudinal axis when coaxially positioned within a receiving cavity defined by the drive magnet such that magnetic coupling occurs circurnferentially between the driven magnet and the drive magnet. Another variation utilizes elongate bar magnets configured to rotate about a pivot. An optional anchor can be used to secure the implanted driven magnet housing against any rotational forces or moments by securing the housing within the subcutaneous layer.
    • 本文公开了一种磁性圆周耦合可植入泵。 磁耦合可植入致动系统利用配置成为可植入医疗装置产生电力的磁耦合驱动机构。 一个变型通常包括具有第一半径并且适于在被推动时围绕纵向轴线旋转的驱动磁体以及限定小于第一半径的第二半径的从动磁体。 当被驱动磁体同轴地位于由驱动磁体限定的接收腔内时,该驱动磁体适于被植入体内围绕纵向轴线旋转,使得磁耦合在从动磁体和驱动磁体之间周向发生。 另一种变型使用配置成围绕枢轴旋转的细长杆状磁体。 可选的锚固件可用于通过将壳体固定在皮下层内来固定植入的从动磁体壳体抵抗任何旋转力或力矩。