JP5665864B2 - 血漿分離リザーバ - Google Patents
血漿分離リザーバ Download PDFInfo
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- B01L3/502753—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 bulk separation arrangements on lab-on-a-chip devices, e.g. for filtration or centrifugation
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
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- G01N33/491—Blood by separating the blood components
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- B01L2200/0621—Control of the sequence of chambers filled or emptied
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- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0681—Filter
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- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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- B01L2300/00—Additional constructional details
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- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/087—Multiple sequential chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/16—Surface properties and coatings
- B01L2300/161—Control and use of surface tension forces, e.g. hydrophobic, hydrophilic
- B01L2300/165—Specific details about hydrophobic, oleophobic surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01L2400/0406—Moving fluids with specific forces or mechanical means specific forces capillary forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B01L2400/0487—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure fluid pressure, pneumatics
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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
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0688—Valves, specific forms thereof surface tension valves, capillary stop, capillary break
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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
- B01L2400/08—Regulating or influencing the flow resistance
- B01L2400/084—Passive control of flow resistance
- B01L2400/086—Passive control of flow resistance using baffles or other fixed flow obstructions
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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
- B01L2400/08—Regulating or influencing the flow resistance
- B01L2400/084—Passive control of flow resistance
- B01L2400/088—Passive control of flow resistance by specific surface properties
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Clinical Laboratory Science (AREA)
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- Physics & Mathematics (AREA)
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- Biophysics (AREA)
- Urology & Nephrology (AREA)
- Ecology (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Investigating Or Analysing Biological Materials (AREA)
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Description
2 入口チャンバ
3 メンブレン
4 第1のチャネル
5 第2のチャネル
6 リザーバ
7 基質キャリヤ
8 トレンチ
9 通気部
10 流体停止部
11 流れ方向
12 トリガチャネル
13 チャネル入口
14 構造要素
15 垂直流体要素
16 トレンチの拡大端部
17 出口チャネル
18 移行領域
20 流体
21 蓋
22 垂直貫流開口部
23 試薬
24 検出器
25 分析チャンバ
26 入口開口部
41 凹部
42 アタッチメント
45 凹み
Claims (19)
- 経時的に一定の体積流量を生じさせるマイクロフルイディック装置(1)であって、
粒子を流体血漿から分離する器具(3)と、前記分離後に前記流体を運び去る第1のチャネル(4)とを有し、前記第1のチャネル(4)は、流体停止部(10)内に開口し、前記流体停止部(10)は、前記流体の流れを間欠的に停止させるよう構成され、前記流体停止部(10)の上流側で且つこれに隣接して、第2のチャネル(5)が前記第1のチャネル(4)から枝分かれし、前記第2のチャネル(5)は、リザーバ(6)への連結部を形成している、
ことを特徴とする装置。 - 前記リザーバ(6)は、チャンバであり、該チャンバの入口断面は、前記第2のチャネル(5)の断面とほぼ同じであり、前記チャンバの前記断面は、前記入口断面の少なくとも5倍まで広がっている、
請求項1記載の装置。 - 前記リザーバチャンバ(6)は、0.1〜50マイクロリットル、特に0.5〜5マイクロリットルの容積を有する、
請求項1記載の装置。 - 前記リザーバ(6)の深さは、前記第1のチャンバ(4)の深さの1.2〜5倍である、
請求項1記載の装置。 - 段部が前記リザーバ(6)の入口領域に形成され、互いに異なる段部深さによってテラスが形成されている、
請求項4記載の装置。 - 前記リザーバ(6)の入口領域に傾斜路が設けられている、
請求項5記載の装置。 - 前記リザーバは、側方がトレンチ(8)により境界付けられている、
請求項1ないし6のいずれか1項に記載の装置。 - 前記トレンチ(8)は、前記リザーバ(6)のためのベント(9)を形成している、
請求項7記載の装置。 - 前記リザーバ(6)内における前記流体の流れ方向の前記トレンチの1つの縁とのなす角度は、前記リザーバ(6)の充填中、前記流体インターフェイスが前記トレンチの前記縁に沿って進行するよう70°未満である、
請求項7又は8記載の装置。 - 第3のチャネル(12)、特にトリガチャネル(12)が前記リザーバ(6)から見て下流側で枝分かれしており、前記チャネル(12)は、前記リザーバ(6)と前記流体停止部(10)との間に流体結合部を形成している、
請求項1ないし9のいずれか1項に記載の装置。 - 前記トリガチャネル(12)は、前記トリガチャネル(12)の毛管作用効果が比較のうえで大きいように前記リザーバ(6)よりも小さな断面を有する、
請求項10記載の装置。 - 前記トリガチャネル(12)のチャネル容積は、前記リザーバ容積の多くとも5%、特に0.02〜0.2マイクロリットルである、
請求項10記載の装置。 - 前記流体停止部(10)は、前記チャネル又は前記チャンバ内に設けられていて、疎水性材料から成る領域によって形成され、前記疎水性材料の湿潤により、前記流体停止部(10)は、化学的及び/又は物理的反応器によって親水性になり、その結果、前記流体停止部(16)は、所与の時間遅延後に前記反応によって除かれるように構成されている、
請求項1ないし9のいずれか1項に記載の装置。 - 前記流体停止部(10)の表面は、粗く、その結果、流体成分は、前記表面に物理的に付着することができ、その結果、親水性湿潤が起こることができるように構成されている、
請求項13記載の装置。 - 親水化が、前記流体停止部(10)中の基質又はリガンドへの流体成分の化学的結合によって起こることができる、
請求項13記載の装置。 - 前記第1のチャネル(4)の口領域における前記流体停止部(10)の深さは、毛管停止部(10)が形成されるよう前記チャネルの深さよりも大きい、
請求項1ないし12のいずれか1項に記載の装置。 - 前記毛管停止部(10)の深さは、前記第1のチャネル(4)の深さの少なくとも2倍である、
請求項16記載の装置。 - 前記毛管停止部(10)の深さは、0.1〜1ミリメートル、特に0.2ミリメートル〜0.5ミリメートルである、
請求項17記載の装置。 - 前記トリガチャネル(12)に隣接した領域における前記毛管停止部(10)の深さは、前記トリガチャネル(12)の深さに一致し、前記毛管停止部(10)の深さは、前記第1のチャネル(4)の前記口領域まで連続して増大している、
請求項16記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09008837.8 | 2009-07-07 | ||
EP09008837 | 2009-07-07 | ||
PCT/EP2010/058019 WO2011003689A2 (en) | 2009-07-07 | 2010-06-08 | Plasma separation reservoir |
Related Child Applications (1)
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JP2014096123A Division JP5861737B2 (ja) | 2009-07-07 | 2014-05-07 | 血漿分離リザーバ |
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JP2012532327A JP2012532327A (ja) | 2012-12-13 |
JP5665864B2 true JP5665864B2 (ja) | 2015-02-04 |
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JP2012518854A Active JP5665864B2 (ja) | 2009-07-07 | 2010-06-08 | 血漿分離リザーバ |
JP2014096123A Active JP5861737B2 (ja) | 2009-07-07 | 2014-05-07 | 血漿分離リザーバ |
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JP2014096123A Active JP5861737B2 (ja) | 2009-07-07 | 2014-05-07 | 血漿分離リザーバ |
Country Status (4)
Country | Link |
---|---|
US (1) | US9216413B2 (ja) |
EP (1) | EP2451575A2 (ja) |
JP (2) | JP5665864B2 (ja) |
WO (1) | WO2011003689A2 (ja) |
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EP2694378B1 (en) | 2011-04-02 | 2016-03-09 | Biosurfit, S.A. | Liquid reagent storage and operation of analytical devices |
JP6302187B2 (ja) * | 2012-08-13 | 2018-03-28 | キヤノン株式会社 | マイクロ流路チップおよびその製造方法 |
JP6047352B2 (ja) * | 2012-09-20 | 2016-12-21 | 株式会社エンプラス | 流体取扱装置 |
CN103439453B (zh) * | 2013-08-22 | 2015-07-08 | 江苏大学 | 带权滴定式自动微计量方法与装置 |
US10532325B2 (en) * | 2014-06-13 | 2020-01-14 | GattaCo, Inc | Capillary pressure re-set mechanism and applications |
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US10258984B2 (en) | 2014-06-16 | 2019-04-16 | Koninklijke Philips N.V. | Cartridge for fast sample intake |
WO2016073823A1 (en) * | 2014-11-07 | 2016-05-12 | The Johns Hopkins University | Aggregation-assisted separation of plasma from whole blood |
WO2016149241A1 (en) * | 2015-03-16 | 2016-09-22 | Luminex Corporation | Apparatus and methods for multi-step channel emulsification |
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JP6729027B2 (ja) * | 2016-06-15 | 2020-07-22 | ウシオ電機株式会社 | マイクロ流路チップ |
BR112019008510B1 (pt) * | 2016-11-18 | 2023-03-14 | Kimberly-Clark Worldwide, Inc. | Material para manipular volumes líquidos |
CN108693349B (zh) * | 2017-06-26 | 2024-08-27 | 宁波奥丞生物科技有限公司 | 用于进行流体检测的微流体检测卡 |
US20200230600A1 (en) * | 2017-07-27 | 2020-07-23 | Biosurfit, S.A. | Apparatus and methods for handling liquid |
CN111344552B (zh) | 2017-09-14 | 2021-10-08 | 卢西拉健康公司 | 具有电子读出的复用生物测定装置 |
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WO2011003689A3 (en) | 2011-03-10 |
US9216413B2 (en) | 2015-12-22 |
WO2011003689A2 (en) | 2011-01-13 |
JP5861737B2 (ja) | 2016-02-16 |
JP2012532327A (ja) | 2012-12-13 |
US20120118392A1 (en) | 2012-05-17 |
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