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    • 3. 发明申请
    • Method and apparatus for isolating cell nuclei from biopsy obtained tissue
    • 用于从活组织检查获得的组织中分离细胞核的方法和装置
    • US20050070944A1
    • 2005-03-31
    • US10847950
    • 2004-05-14
    • Mark HollAndrew MillerMatthew StantonCarissa SanchezThomas PaulsonBrian ReidDeirdre Meldrum
    • Mark HollAndrew MillerMatthew StantonCarissa SanchezThomas PaulsonBrian ReidDeirdre Meldrum
    • A61B17/14C12M3/08
    • C12M47/06
    • A rotor (14) is located within a rotor chamber (12) formed in a housing (24). A drive shaft (16) extends from a motor and couples to the drive shaft interconnect (46) at the center of the rotor (14). One side of the rotor (14) is provided with circumferentially spaced apart radial rows of mincing edges (20). These edges (20) are situated on concentric circles or on a spiral. They are elongated circumferentially and may be situated substantially on an arc and substantially on an arc or on a chord. During use, the rotor (14) is rotated after biopsy obtained tissue (10) has been placed in the rotor chamber (12) on the side of the rotor (14) that includes the mincing edges (20). A fluid is delivered into and out from the rotor chamber (12) as the rotor (14) is being rotated to mince the biopsy, lyse the cells, and release the cell nuclei from the obtained tissue. Cell nuclei are expelled from the chamber (12) and are moved through a filter (58). The cell nuclei are collected and then delivered to a flow cytometry apparatus to be analyzed.
    • 转子(14)位于形成在壳体(24)内的转子室(12)内。 驱动轴(16)从马达延伸并在转子(14)的中心处联接到驱动轴互连(46)。 转子(14)的一侧设置有周向间隔开的排列的切割边缘(20)。 这些边缘(20)位于同心圆或螺旋上。 它们沿周向延伸并且可以基本上位于弧形上并且基本上位于弧形或弦上。 在使用过程中,在活组织检查后,转子(14)在组装(10)被放置在转子室(12)的转子(14)的包括切碎边缘(20)的侧面上后旋转。 当转子(14)旋转时,将流体输送到转子室(12)中并使其流出,从而破坏活组织检查,裂解细胞,并从获得的组织释放细胞核。 细胞核从腔室(12)排出并移动通过过滤器(58)。 收集细胞核,然后送至流式细胞术仪器进行分析。
    • 5. 发明申请
    • Liquid analysis cartridge
    • 液体分析盒
    • US20060127275A1
    • 2006-06-15
    • US11195328
    • 2005-08-02
    • Mark HollFloyd EdwardsRobert MorffGerald Klein
    • Mark HollFloyd EdwardsRobert MorffGerald Klein
    • G01N33/00
    • B01L3/502707B01F5/0646B01F5/0647B01F5/0648B01F13/0059B01L3/502715B01L3/502738B01L3/502746B01L3/502776B01L3/565B01L2200/025B01L2200/027B01L2200/0636B01L2200/0647B01L2200/10B01L2200/12B01L2200/16B01L2300/0627B01L2300/0636B01L2300/0645B01L2300/0816B01L2300/0861B01L2300/0867B01L2300/0874B01L2300/0883B01L2300/0887B01L2400/0487B01L2400/0655G01N15/14Y10T156/1064Y10T436/11Y10T436/117497Y10T436/118339Y10T436/25Y10T436/25125Y10T436/25375Y10T436/2575
    • The present invention provides an apparatus and method for storing a particle-containing liquid. The storage apparatus comprises a microfluidic convoluted flow channel having a plurality of particle capture regions. The storage channel is preferably an isotropic spatially periodic channel. Sedimented particles can be resuspended following storage. This invention further provides a microfluidic analysis cartridge having a convoluted storage channel therein. The sample analysis can use optical, electrical, pressure sensitive, or flow sensitive detection. A plurality of analysis channels can be included in a single cartridge. The analysis channels can be joined to reagent inlets for diluents, indicators or lysing agents. A mixing channel can be positioned between the reagent inlet and the analysis region to allow mixing and reaction of the reagent. The cartridge can include additional valves and pumps for flow management. The analysis cartridge can be a self-contained disposable cartridge having an integral waste storage container. This invention further provides a sheath flow assembly. The sheath flow assembly includes a sample channel and first and second sheath fluid channels positioned on either side of and converging with the sample channel. The assembly also includes upper and lower sheath fluid chambers positioned above and below and converging with the sample channel. The flow cartridges of this invention can be formed by molding, machining or etching. In a preferred embodiment they are laminated. This invention further provides a method of fabricating a laminated microfluidic flow device. In the method, flow elements are formed in rigid sheets and abutting surfaces of the sheets are bonded together.
    • 本发明提供一种用于储存含颗粒的液体的装置和方法。 存储装置包括具有多个颗粒捕获区域的微流体回旋流动通道。 存储通道优选地是各向同性的空间周期性通道。 沉淀的颗粒可以在储存后重新悬浮。 本发明还提供一种其中具有回旋存储通道的微流体分析盒。 样品分析可以使用光学,电气,压力敏感或流量敏感检测。 多个分析通道可以包括在单个盒中。 分析通道可以连接到用于稀释剂,指示剂或裂解剂的试剂入口。 混合通道可以位于试剂入口和分析区域之间,以允许试剂混合和反应。 墨盒可以包括用于流量管理的附加阀和泵。 分析盒可以是具有一体式废物储存容器的独立的一次性盒。 本发明还提供一种鞘流组件。 护套流动组件包括样品通道和位于样品通道两侧并与样品通道收敛的第一和第二鞘液通道。 组件还包括位于上方和下方的上部和下部鞘液室,并与样品通道会聚。 本发明的流动筒可以通过模制,机加工或蚀刻来形成。 在优选实施例中,它们被层压。 本发明还提供一种制造层压微流体流动装置的方法。 在该方法中,流动元件形成为刚性片,并且片材的邻接表面粘合在一起。