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    • 4. 发明申请
    • MICRO FLOW FILTRATION SYSTEM AND FLOW FILTRATION METHOD
    • 微流量过滤系统和流量过滤方法
    • WO2013144091A1
    • 2013-10-03
    • PCT/EP2013/056298
    • 2013-03-25
    • ROCHE DIAGNOSTICS GMBHF. HOFFMANN-LA ROCHE AGOranth, NorbertLOSLEBEN, NadineLUTZ, SaschaGROSSMANN, Adelbert
    • Oranth, NorbertLOSLEBEN, NadineLUTZ, SaschaGROSSMANN, Adelbert
    • B01D61/18B01D61/20
    • B01D61/22B01D61/147B01D61/18B01D61/20B01D2311/14B01D2313/10B01D2313/14B01D2313/243B01D2313/28B01D2313/50B01D2315/10B01D2315/12
    • A micro flow filtration system comprises a fluid circuitry (3) and a first reservoir (1) outside the circuitry (3) suitable for containing a fluid. The fluid circuitry (3) comprises a tangential flow filtration module (10) capable of separating the fluid sample into a retentate stream and a permeate stream upon passage of the fluid sample into the tangential flow filtration module (10) through an inlet feed (18). The fluid circuitry (3) further comprises a second reservoir (2) integrated in the fluid circuitry (3), a pump (5) for creating and driving a fluid flow, optionally at least one pressure sensor (6, 7 or 8) for acquiring and detecting data about the fluid sample, optionally a pressure regulator (9) for regulating the flow in the fluid circuitry (3) and a plurality of conduits (22) forming the fluid circuitry (3) together with the second reservoir (2), the TFF-module (10), the pump (5), the pressure sensor (6, 7 or 8) (if present) and the pressure regulator (9) (if present). The volume of the first reservoir (1) outside the circuitry (3) is significantly larger than the volume of the second reservoir (2). The first reservoir (1) outside the fluid circuitry (3) is connected to the circuitry (3) via a connection conduit (31) such that the fluid flows unidirectionally into the circuitry (3) until the first reservoir (1) is empty so that a continuous fluid flow from the first reservoir (1) to the circuitry (3) is established.
    • 微流过滤系统包括流体回路(3)和适于容纳流体的电路(3)外部的第一储存器(1)。 流体回路(3)包括切向流过滤模块(10),该切向流过滤模块(10)能够通过入口进料(18)将流体样品分离成切向流过滤模块(10),该流动过滤模块能够将流体样品分离成滞留物流和渗透物流 )。 流体回路(3)还包括集成在流体回路(3)中的第二贮存器(2),用于创建和驱动流体流的泵(5),可选地至少一个压力传感器(6,7或8) 获取和检测关于流体样本的数据,可选地用于调节流体回路(3)中的流动的压力调节器(9)和与第二储存器(2)一起形成流体回路(3)的多个导管(22) ,TFF模块(10),泵(5),压力传感器(6,7或8)(如果存在)和压力调节器(9)(如果存在)。 电路(3)外部的第一储存器(1)的体积显着大于第二储存器(2)的体积。 流体回路(3)外部的第一储存器(1)经由连接导管(31)连接到电路(3),使得流体单向流入电路(3),直到第一储存器(1)为空 建立从第一储存器(1)到电路(3)的连续流体流动。