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公开(公告)号:EP4237440A1
公开(公告)日:2023-09-06
申请号:EP21887527.6
申请日:2021-10-28
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公开(公告)号:EP3594690A1
公开(公告)日:2020-01-15
申请号:EP19193656.6
申请日:2013-06-11
发明人: JAKUBOWICZ, Raymond F. , BOWER, Randy K. , DAMBRA, Joseph J. , DING, Zhong , ROBINSON, James E. , RYAN, Dale R. , TOMASSO, David, A.
摘要: A lateral flow device for use in a mainframe or point-of-care clinical analyzer, in which the lateral flow device includes a planar support having at least one sample addition area and at least one reaction area disposed thereon. The sample addition area and reaction area are fluidly interconnected to one another and form at least one lateral fluid flow path. The lateral flow device is sized for retention within a storage cartridge of the analyzer defined by a hollow interior and having a plurality of lateral flow assay devices retained in stacked relation therein.
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公开(公告)号:EP2674763B1
公开(公告)日:2019-08-28
申请号:EP13171542.7
申请日:2013-06-11
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公开(公告)号:EP3408027A1
公开(公告)日:2018-12-05
申请号:EP17707706.2
申请日:2017-01-30
发明人: HEAVNER, David, A.
IPC分类号: B01L3/00
CPC分类号: G01N33/558 , B01L3/5023 , B01L3/502723 , B01L3/502746 , B01L2200/025 , B01L2200/0684 , B01L2300/0816 , B01L2300/0825 , B01L2300/0883 , B01L2300/0887 , B01L2300/161 , B01L2400/0406 , B01L2400/0694 , B01L2400/082
摘要: A lateral flow diagnostic assay device is defined by a substrate having a top surface that further includes a sample addition zone for receiving a sample, a transport and reaction zone, and a wicking zone. Each of the sample addition zone, reaction and transport zone and wicking zone are disposed on the top surface of the substrate and fluidically interconnected by means that permit lateral capillary flow along at least one fluid flow path from the sample addition zone to the wicking zone. The assay device further includes a capillary vent disposed in relation to the wicking zone, the capillary vent having an overall length and cross sectional area that creates a backpressure so as to control the flow rate of a sample applied to the assay device.
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公开(公告)号:EP3088892B1
公开(公告)日:2018-07-25
申请号:EP16174438.8
申请日:2013-01-18
发明人: KANALEY, James D. , DING, Zhong , HOSIMER, Philip C. , SCALICE, Edward R. , DANIELSON, Susan , TOMASSO, David A. , WARREN, Timothy C.
IPC分类号: G01N33/543 , B01L3/00
CPC分类号: G01N33/54366 , B01L3/5023 , B01L3/502746 , B01L2200/0636 , B01L2300/0816 , B01L2300/0861 , B01L2400/086 , G01N1/28 , Y10T436/2575
摘要: An assay device includes: a liquid sample zone; a reagent zone downstream and in fluid communication with the sample zone containing a reagent material; a detection zone in fluid communication with the reagent zone having capture elements bound thereto; and a wicking zone in fluid communication with the capture zone having a capacity to receive liquid sample flowing from the detection zone. The sample receiving zone, the reagent zone, the detection zone and the wicking zone define a fluid flow path and at least a part of the fluid flow path has a substrate and projections which extend substantially vertically from the substrate, wherein the projections have a height, cross-section and a distance between one another that defines a space between the projections capable of generating capillary flow parallel to the substrate surface. In addition, the fluid flow path having projections includes a corner section which changes the direction of the flow path. The projections in or around the corner section are modified to maintain the configuration of the flow front of the sample flowing through the flow path after the corner is substantially the same configuration as before the corner.
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公开(公告)号:EP2781920B1
公开(公告)日:2018-06-20
申请号:EP14154484.1
申请日:2014-02-10
发明人: Ding, Zhong
IPC分类号: G01N33/543 , B01L3/00 , G01N33/558
CPC分类号: G01N33/54393 , B01L3/5023 , B01L3/502746 , B01L2200/0621 , B01L2200/0636 , B01L2200/16 , B01L2300/0816 , B01L2400/0406 , B01L2400/086 , G01N33/54386 , G01N33/558
摘要: An assay device includes: a liquid sample addition zone; a reagent zone downstream and in fluid communication with the sample zone that includes a reagent cell having a line of symmetry in the direction of fluid flow; a reagent material in the reagent cell, wherein the reagent material includes a first reagent material located at the axis of symmetry and is left-right symmetric, and a second and third reagent material having a substantially identical shape and volume and located in mirror locations from the line of symmetry; a detection zone in fluid communication with the reagent zone; and a wicking zone in fluid communication with the detection zone having a capacity to receive liquid sample flowing from the detection zone. The liquid sample addition zone, the detection zone and the wicking zone define a fluid flow path.
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公开(公告)号:EP3177926B1
公开(公告)日:2018-06-06
申请号:EP15750889.6
申请日:2015-08-05
IPC分类号: G01N33/543
CPC分类号: B01L3/5023 , B01L2300/041 , B01L2300/0867 , B01L2300/161 , B01L2400/0406 , G01N33/54386
摘要: A lateral-flow assay device includes a substrate having a sample addition zone and a wash addition zone downstream thereof along a fluid flow path through which a sample flows. The fluid flow path is configured to receive a wash fluid in the wash addition zone. A hydrophilic surface is arranged in the wash addition zone. Flow constriction(s) are spaced apart from the fluid flow path and arranged to define, with the hydrophilic surface, a reservoir configured to retain the wash fluid by formation of a meniscus between the hydrophilic surface and the flow constriction(s). The fluid flow path draws the wash fluid from the reservoir by capillary pressure. Apparatus for analyzing a fluidic sample and methods of displacing a fluidic sample in a fluid flow path of an assay device are also described.
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公开(公告)号:EP3077806A1
公开(公告)日:2016-10-12
申请号:EP14824208.4
申请日:2014-12-05
IPC分类号: G01N27/333 , G01N33/487 , G01N33/543 , G01N33/558
CPC分类号: G01N33/558 , B01L3/5023 , B01L2200/141 , B01L2200/142 , B01L2300/0627 , B01L2300/069 , B01L2400/0406
摘要: A test element for an assay includes: a cartridge having a housing which includes a priming pad capable of containing a liquid fluid, a wash port having an opening in the housing, and an opening for directly or indirectly applying a sample; and an assay device positioned within the cartridge in fluid communication with the wash port containing an analytical reagent.
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