JP6443954B2 - 凝固検知用マイクロ流体チップ - Google Patents
凝固検知用マイクロ流体チップ Download PDFInfo
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- JP6443954B2 JP6443954B2 JP2017522506A JP2017522506A JP6443954B2 JP 6443954 B2 JP6443954 B2 JP 6443954B2 JP 2017522506 A JP2017522506 A JP 2017522506A JP 2017522506 A JP2017522506 A JP 2017522506A JP 6443954 B2 JP6443954 B2 JP 6443954B2
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- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
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- G01N33/4905—Determining clotting time of blood
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- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502715—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B1/00—Devices without movable or flexible elements, e.g. microcapillary devices
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- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0627—Sensor or part of a sensor is integrated
- B01L2300/0636—Integrated biosensor, microarrays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0627—Sensor or part of a sensor is integrated
- B01L2300/0645—Electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0681—Filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L2300/1827—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using resistive heater
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0442—Moving fluids with specific forces or mechanical means specific forces thermal energy, e.g. vaporisation, bubble jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/50273—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means or forces applied to move the fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
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- Investigating Or Analysing Biological Materials (AREA)
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Description
Claims (15)
- マイクロ流体チャネルと、
該マイクロ流体チャネルの一端の空気に曝された出口と、
該出口に特に近接して前記マイクロ流体チャネル内に配設されたインピーダンスセンサであって、前記マイクロ流体チャネルを介して該インピーダンスセンサ上を前記出口に向かって流れる血液サンプルの凝固カスケード中の特定のステージを判定する、インピーダンスセンサと
を備えている、マイクロ流体チップ。 - 前記マイクロ流体チャネルを介した前記血液サンプルの流れを加速させる熱抵抗器ポンプを該マイクロ流体チャネル内に更に備えている、請求項1に記載のマイクロ流体チップ。
- 前記インピーダンスセンサにより検出された第1のインピーダンスレベルに基づき血小板の活性化、付着、及び凝集を含む前記凝固カスケード中の第1ステージを判定することを更に含む、請求項1又は請求項2に記載のマイクロ流体チップ。
- 前記血液サンプルの凝固を加速させるために該血液サンプルの制御された加熱を提供する抵抗素子を前記マイクロ流体チャネル内に更に備えている、請求項1ないし請求項3の何れか一項に記載のマイクロ流体チップ。
- 前記インピーダンスセンサにより検出された第2のインピーダンスレベルに基づきフィブリン鎖の形成及び増殖を含む前記凝固カスケード中の第2ステージを判定することを更に含む、請求項1ないし請求項4の何れか一項に記載のマイクロ流体チップ。
- 前記インピーダンスセンサにより検出された第3のインピーダンスレベルに基づき完全な止血血栓の形成を含む前記凝固カスケード中の第3ステージを判定することを更に含む、請求項1ないし請求項5の何れか一項に記載のマイクロ流体チップ。
- 血液サンプルの流れを案内する複数のマイクロ流体チャネルであって、該複数のマイクロ流体チャネルの各々が空気に曝されたノズルを含む、複数のマイクロ流体チャネルを備えたマイクロ流体チップであって、
該複数のマイクロ流体チャネルの各々がそれぞれインピーダンスセンサを有しており、その各インピーダンスセンサが入力高側電極及び入力低側電極を含み、該入力高側電極が該入力低側電極と比較して前記ノズルに近接しており、各インピーダンスセンサが、該各インピーダンスセンサにより検出されるインピーダンスの変化に基づき、所定期間にわたり、前記マイクロ流体チャネルを介してそれぞれの前記インピーダンスセンサ上をそれぞれの前記ノズルに向かって流れる前記血液サンプルの凝固の特定のステージを検出する、
マイクロ流体チップ。 - 前記ノズルが100マイクロメートル未満の直径を有する、請求項7に記載のマイクロ流体チップ。
- 前記入力高側電極及び前記入力低側電極が50マイクロメートル未満の距離だけ互いに隔置されている、請求項7又は請求項8に記載のマイクロ流体チップ。
- 前記入力高側電極及び前記入力低側電極の各々が、5000オングストローム未満の厚さを有する、請求項7ないし請求項9の何れか一項に記載のマイクロ流体チップ。
- 血液サンプルを受容するための流体リザーバを含むカセットと、
該カセットに結合され及びマイクロ流体チャネルを含むマイクロ流体チップであって、該マイクロ流体チャネルが、該マイクロ流体チャネルの一端のノズルへ前記血液サンプルの流れを案内するものであり、該ノズルが、前記血液サンプルを蓄積させるために空気に曝されている、マイクロ流体チップと、
前記ノズルに隣接して配置されたインピーダンスセンサであって、前記マイクロ流体チャネルを介して該インピーダンスセンサ上を前記ノズルに向かって流れる前記血液サンプルの凝固の特定のステージを検出する、インピーダンスセンサと
を備えている、マイクロ流体装置。 - 前記ノズルが前記マイクロ流体チャネルの狭窄部分内に配置されている、請求項11に記載のマイクロ流体装置。
- 前記インピーダンスセンサが、0.4×104〜1.0×104オームのインピーダンス値を検出したことに応じて前記血液サンプル中の凝固の一次止血ステージを検出することを更に含む、請求項11又は請求項12に記載のマイクロ流体装置。
- 前記インピーダンスセンサが、1.6×104〜1.8×104オームのインピーダンス値を検出したことに応じて前記血液サンプル中の凝固の二次止血ステージを検出することを更に含む、請求項11ないし請求項13の何れか一項に記載のマイクロ流体装置。
- 前記インピーダンスセンサが、少なくとも1.8×104オームのインピーダンス値を検出したことに応じて完全な止血血栓を検出することを更に含む、請求項11ないし請求項14の何れか一項に記載のマイクロ流体装置。
Applications Claiming Priority (1)
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PCT/US2015/013668 WO2016122559A1 (en) | 2015-01-30 | 2015-01-30 | Microfluidic chip for coagulation sensing |
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JP2017531810A JP2017531810A (ja) | 2017-10-26 |
JP6443954B2 true JP6443954B2 (ja) | 2018-12-26 |
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JP2017522506A Expired - Fee Related JP6443954B2 (ja) | 2015-01-30 | 2015-01-30 | 凝固検知用マイクロ流体チップ |
Country Status (7)
Country | Link |
---|---|
US (1) | US10725019B2 (ja) |
EP (1) | EP3250504B1 (ja) |
JP (1) | JP6443954B2 (ja) |
CN (1) | CN107074526B (ja) |
AU (1) | AU2015380619B2 (ja) |
TW (1) | TWI575236B (ja) |
WO (1) | WO2016122559A1 (ja) |
Families Citing this family (7)
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US11865535B2 (en) | 2017-04-20 | 2024-01-09 | Hewlett-Packard Development Company, L.P. | Microfluidic reaction system |
US20210237059A1 (en) * | 2018-08-09 | 2021-08-05 | Hewlett-Packard Development Company, L.P. | Microfluidic devices with impedance setting to set backpressure |
CN109164253A (zh) * | 2018-10-26 | 2019-01-08 | 浙江师范大学 | 一种音叉谐振式血小板收缩力测量装置与方法 |
SG11202108580YA (en) * | 2019-03-01 | 2021-09-29 | Lansion Biotechnology Co Ltd | Detection system for multi-index coagulation items |
CN109682959A (zh) * | 2019-03-01 | 2019-04-26 | 南京岚煜生物科技有限公司 | 多指标凝血项目检测系统 |
EP3938778A4 (en) * | 2019-07-26 | 2022-03-23 | Hewlett-Packard Development Company, L.P. | CONTROL OF CELL CONCENTRATION |
CN114054109B (zh) * | 2021-11-08 | 2022-12-27 | 北京化工大学 | 基于导电弹性体材料的血液凝固检测微流控芯片 |
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2015
- 2015-01-30 EP EP15880454.2A patent/EP3250504B1/en active Active
- 2015-01-30 US US15/522,831 patent/US10725019B2/en active Active
- 2015-01-30 JP JP2017522506A patent/JP6443954B2/ja not_active Expired - Fee Related
- 2015-01-30 WO PCT/US2015/013668 patent/WO2016122559A1/en active Application Filing
- 2015-01-30 AU AU2015380619A patent/AU2015380619B2/en not_active Ceased
- 2015-01-30 CN CN201580059431.8A patent/CN107074526B/zh not_active Expired - Fee Related
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Publication number | Publication date |
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TW201631317A (zh) | 2016-09-01 |
EP3250504A4 (en) | 2019-01-23 |
US10725019B2 (en) | 2020-07-28 |
EP3250504A1 (en) | 2017-12-06 |
AU2015380619A1 (en) | 2017-05-18 |
CN107074526A (zh) | 2017-08-18 |
CN107074526B (zh) | 2019-06-04 |
AU2015380619B2 (en) | 2020-05-21 |
WO2016122559A1 (en) | 2016-08-04 |
JP2017531810A (ja) | 2017-10-26 |
EP3250504B1 (en) | 2019-09-11 |
TWI575236B (zh) | 2017-03-21 |
US20170328882A1 (en) | 2017-11-16 |
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