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    • 2. 发明授权
    • Pulsatile flow hemodialysis
    • 脉动血液透析
    • US4968422A
    • 1990-11-06
    • US156809
    • 1988-02-17
    • Thomas M. RungeMichael R. Sheller
    • Thomas M. RungeMichael R. Sheller
    • A61M1/10A61M1/16A61M1/36
    • A61M1/3621A61M1/1005A61M1/16
    • The use of a pulsatile flow blood pump in a hemodialysis system is disclosed. In comparison to the customary steady flow blood pump of the prior art, the pulsatile flow blood pump clears urea, a low molecular weight molecule, from the bood approximately three times as fast as does the steady flow roller pump commonly used on a worldwide basis for hemodialysis. Large molecules, such as vitamin B.sub.12 are also cleared more rapidly by the pulsatile flow pump, but less rapidly than the smaller molecules. Total time of dialysis is reduced and the results obtained by using the pulsatile flow blood pump are more physiologic, in that the more harmful molecules, urea, are selectively cleared more rapidly while the larger more desirable molecules, vitamin B.sub.12, are retained.
    • 公开了在血液透析系统中使用脉动流血泵。 与现有技术的常规恒流血泵相比,脉动血液泵将尿素​​(低分子量分子)从常规使用的通常用于世界范围内的稳流辊泵清除约三倍, 血液透析 大分子如维生素B12也被脉动流泵更快地清除,但比较小的分子快得多。 透析的总时间减少,通过使用脉动血泵获得的结果更生理,因为更有害的分子尿素被更快地选择性地清除,而保留较大的更理想的分子维生素B12。