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    • 11. 发明授权
    • Valve with flexible sheet member
    • 带柔性片材的阀门
    • US4304257A
    • 1981-12-08
    • US165103
    • 1980-07-01
    • Milo E. Webster
    • Milo E. Webster
    • B01J4/02F16K11/02G01N1/00F16K7/16
    • G01N35/1097B01J4/02F16K11/022Y10T137/8359Y10T137/87249Y10T137/87885
    • A valve that is particularly useful in biological fluid handling systems includes a body member that has a firm and stable support surface and a flexible sheet member that has a surface for conforming and mating engagement with the surface of the valve body member. A land portion in the surface of one of the valve members separates two fluid flow channels in that member. An actuator is arranged to flex the sheet member between a first position in which the surface of the sheet member is in mating and sealing engagement with the surface of the body member to sealing block flow between the two channels, and a second position in which the sheet surface is spaced from the first position to allow fluid flow across the land surface between the two flow channels.
    • 在生物流体处理系统中特别有用的阀包括具有坚固且稳定的支撑表面的主体构件和具有用于与阀体构件的表面一致并配合接合的表面的柔性片构件。 一个阀构件的表面中的陆部分离开该构件中的两个流体流动通道。 致动器被布置成使片材在第一位置和第二位置之间弯曲,在第一位置和第二位置之间,第一位置与第二位置之间,在第一位置,片材构件的表面与主体构件的表面密封接合, 片材表面与第一位置间隔开,以允许流体流过两个流动通道之间的平台表面。