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    Structural units that define fluidic functions
    1.
    发明授权
    Structural units that define fluidic functions 失效
    定义流体功能的结构单元

    公开(公告)号：US07429354B2

    公开(公告)日：2008-09-30

    申请号：US10472255

    申请日：2002-03-19

    申请人： Per Andersson ,  Gunnar Ekstrand ,  Ulrike Selditz ,  Sussanne Wallenborg ,  Helene Derand ,  Gunnar Thorsen ,  Ebru Togan-Tekin

    发明人： Per Andersson ,  Gunnar Ekstrand ,  Ulrike Selditz ,  Sussanne Wallenborg ,  Helene Derand ,  Gunnar Thorsen ,  Ebru Togan-Tekin

    IPC分类号： G01N21/00

    CPC分类号： G01N33/54366 ,  B01J19/0093 ,  B01L3/5025 ,  B01L3/502723 ,  B01L3/50273 ,  B01L3/502746 ,  B01L2200/0605 ,  B01L2200/0678 ,  B01L2200/0684 ,  B01L2300/0806 ,  B01L2300/0864 ,  B01L2300/0867 ,  B01L2300/087 ,  B01L2400/0406 ,  B01L2400/0409 ,  B01L2400/0688 ,  B01L2400/086 ,  G01N35/00069

    摘要： A microfluidic device that comprises several microchannel structures in which there are an inlet port, an outlet port and therebetween a substructure comprising a fluidic function. The device has an axis of symmetry around which the microchannel structures are arranged as two or more concentric annular zones. for an inlet port and an outlet port of the same microchannel structure the inlet port is typically closer to the axis of symmetry than the outlet port. Each microchannel structure comprises a substructure that can retain liquid while the disc is spun around the axis and/or the inlet ports are positioned separate from the paths waste liquid leaving open waste outlet ports will follow across the surface of the disc when it is spun. For the microchannel structures of an annular zones the corresponding substructures are at essentially at the same radial distance while corresponding substructures in microchannel structures of different annular zones are at different radial distances. The invention also refers to several other substructures. The substructure are primarily adapted for transporting liquid aliquots that have a surface tnsion >5 mN/m with centrifugal force.

    摘要翻译： 一种微流体装置，其包括几个微通道结构，其中存在入口端口，出口以及其间具有流体功能的子结构。 该装置具有对称轴，微通道结构围绕该轴布置为两个或更多个同心的环形区域。 对于相同微通道结构的入口和出口，入口通常比出口更接近对称轴。 每个微通道结构包括一个子结构，其可以在圆盘围绕轴线旋转时保持液体，和/或入口端口与路径分离，离开开放废料出口的废液在旋转时将跟随盘的表面。 对于环形区域的微通道结构，相应的子结构基本上处于相同的径向距离，而不同环形区域的微通道结构中的相应子结构处于不同的径向距离。 本发明还涉及几个其他子结构。 子结构主要适用于输送具有离心力的表面尺寸> 5mN / m的液体等分试样。

    Polymer valves
    7.
    发明授权
    Polymer valves 有权
    聚合物阀门

    公开(公告)号：US07104517B1

    公开(公告)日：2006-09-12

    申请号：US10030297

    申请日：2000-06-30

    申请人： Helene Derand ,  Per Andersson ,  Anders Larsson

    发明人： Helene Derand ,  Per Andersson ,  Anders Larsson

    IPC分类号： F16K31/00

    CPC分类号： F16K99/0001 ,  B01J19/0093 ,  B01J2219/00783 ,  B01J2219/00891 ,  B01L3/502738 ,  B01L2200/12 ,  B01L2300/0806 ,  B01L2300/1861 ,  B01L2400/0661 ,  F15C5/00 ,  F16K13/10 ,  F16K99/0019 ,  F16K99/0034 ,  F16K99/0036

    摘要： The invention relates to a method of controlling flow of liquids in a micro channel structure. It comprises providing in said micro channel structure plugs (34) of polymer material in said structure, said polymer material in a first state blocking said channel from liquid flow, and in a second state providing a free path-way (32) for liquid flow. Energy is selectively applied so as to cause said polymer to enter a desired one of said first or second states. It also relates to a micro channel valve system, comprising a plurality of such plugs (34). Additionally it comprises a chemical reactor, comprising a plurality of micro chambers interconnected by micro channels, having a valve system according to the invention.

    摘要翻译： 本发明涉及一种控制微通道结构中液体流动的方法。 它包括在所述微通道结构中提供在所述结构中的聚合物材料的塞子（34），所述聚合物材料处于第一状态，从而阻止所述通道从液体流动，并且在第二状态下提供用于液体流动的自由通路（32） 。 选择性地施加能量以使所述聚合物进入所述第一或第二状态中的期望的一种。 它还涉及一种微通道阀系统，其包括多个这样的塞子（34）。 另外，它包括化学反应器，包括通过微通道互连的多个微室，具有根据本发明的阀系统。

    Separation structure
    10.
    发明授权
    Separation structure 有权

    公开(公告)号：US07833478B2

    公开(公告)日：2010-11-16

    申请号：US11871614

    申请日：2007-10-12

    申请人： Per Andersson ,  Gunnar Ekstrand ,  Gerald Jesson

    发明人： Per Andersson ,  Gunnar Ekstrand ,  Gerald Jesson

    IPC分类号： G01N9/30 ,  G01N33/00 ,  F16K17/36

    摘要： A centrifugal-based microfluidic device (1) that comprises a hydrophilic microchannel structure (2) in which there is a A) a separation microcavity I (4) that comprises i) a liquid inlet I (5), and ii) a liquid outlet I (6) that is at a level below the level of liquid inlet I (5) and above the level of the bottom (8) of the microcavity (4) thereby defining a lower part (4b) and an upper part (4a) of the microcavity (4), and B) a microconduit I (17) that has an inlet end I (16) directly connected to liquid outlet I (6), and an outlet end I (18) that is at a lower level than inlet end I (6). A capillary valve I (24) is associated with microconduit I (17). The flow direction through liquid outlet I (6) is directed upwards and/or liquid outlet I (6) is placed in a downwardly turned part of an inner wall of the separation microcavity (4), and/or the part of microconduit I (17) next to liquid outlet I (6) is directed upwards.