JP2017067481A - ピペットチップおよび液体注入方法 - Google Patents
ピペットチップおよび液体注入方法 Download PDFInfo
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Images
Classifications
-
- 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
- B01L3/02—Burettes; Pipettes
- B01L3/0275—Interchangeable or disposable dispensing tips
-
- 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
- B01L3/02—Burettes; Pipettes
-
- 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
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/02—Centrifuges consisting of a plurality of separate bowls rotating round an axis situated between the bowls
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/02—Adapting objects or devices to another
- B01L2200/025—Align devices or objects to ensure defined positions relative to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0615—Loss of fluid by dripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/141—Preventing contamination, tampering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N2035/1027—General features of the devices
- G01N2035/103—General features of the devices using disposable tips
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
Description
HL≦HG・・・・・・・式(1)
突出部15の長さHGが、この条件を満たせば、残留液滴24の周囲を突出部15によって確実にガードすることができる。これにより、残留液滴24と注入口12Aの接触を防止することができる。
DL/2≦RG・・・・・式(2)
距離RGがこの条件を満たせば、径方向における残留液滴24と突出部15との接触を低減することができるので、残留液滴24が突出部15に付着しにくい。
0.03×2πRF≦N×DG≦0.1×2πRF・・・(3)
図15〜17に示す試料容器12の変形例は、上述の試料容器12に、導光部56を設けたものである。導光部56以外の点は同様であるため、同一符号を付して説明を省略する。以下、相違点である導光部56を中心に説明する。
11 シリンジ
12 試料容器
12A 注入口
14 本体部
15 突出部
18 ノズル部
20 先端部
20A 吐出口
20C 外周面
CA 中心軸
Claims (15)
- 注入器からの液体を吐出する吐出口が形成された先端部を有する筒状の本体部と、
前記先端部に設けられ、前記吐出口の周囲から前記液体の吐出方向に突き出した突出部であり、前記本体部の軸回りに部分的に配置された突出部とを備えるピペットチップ。 - 前記突出部は複数個設けられており、
複数個の前記突出部は、前記軸回りに間隔を空けて配置されている請求項1に記載のピペットチップ。 - 複数個の前記突出部は、等間隔に配置されている請求項2に記載のピペットチップ。
- 前記突出部は、長手方向が前記吐出方向に延びる柱形状である請求項1ないし3のいずれか1項に記載のピペットチップ。
- 前記突出部は、円柱形状である請求項4に記載のピペットチップ。
- 前記突出部は、先端が丸められている請求項5に記載のピペットチップ。
- 前記突出部は、前記軸回りの全周に対する占有割合が3%〜10%の範囲内である請求項1ないし6のいずれか1項に記載のピペットチップ。
- 前記突出部は、基端側から先端に向けて径が細くなるテーパ形状をしている請求項1ないし7のいずれか1項に記載のピペットチップ。
- 前記突出部は、前記先端部の軸方向と直交する幅方向において、前記先端部の前記軸回りの外周面との間に隙間を空けずに設けられる請求項1ないし8のいずれか1項に記載のピペットチップ。
- 前記注入器からの前記液体を前記吐出口に向かって流す前記本体部の流路には、前記液体の凝固を抑える抗凝固剤が塗布されている請求項1ないし9のいずれか1項に記載のピペットチップ。
- 前記先端部と前記突出部は一体に形成されている請求項1ないし10のいずれか1項に記載のピペットチップ。
- 注入器からの液体を吐出する吐出口が形成された先端部を有する筒状の本体部と、前記先端部に設けられ、前記吐出口の周囲から前記液体の吐出方向に突き出した突出部であり、前記本体部の軸回りに部分的に配置された突出部とを備えるピペットチップを用い、
前記注入器に前記ピペットチップを取り付けて、
前記ピペットチップの前記先端部を試料容器の注入口に差し込んで、
前記注入器から前記液体を試料容器に注入する液体注入方法。 - 前記ピペットチップは、前記吐出口から前記吐出方向に張り出して残留する残留液滴の前記吐出口の径方向における最大幅をDL、前記径方向における前記吐出口の中心から前記突出部までの距離をRGとしたとき、
DL/2≦RG
の条件を満たす請求項12に記載の液体注入方法。 - 前記ピペットチップは、前記吐出口から前記吐出方向に張り出して残留する残留液滴の前記吐出方向の最大長さをHL、前記吐出方向における前記突出部の長さをHGとしたとき、
HL≦HG
の条件を満たす請求項12または13に記載の液体注入方法。 - 前記注入器は、生体から採取した血液を遠心分離用の試料容器に注入するために用いられる請求項12ないし14のいずれか1項に記載の液体注入方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015189733A JP6572078B2 (ja) | 2015-09-28 | 2015-09-28 | ピペットチップおよび液体注入方法 |
PCT/JP2016/075586 WO2017056839A1 (ja) | 2015-09-28 | 2016-09-01 | ピペットチップおよび液体注入方法 |
EP16851015.4A EP3358334B1 (en) | 2015-09-28 | 2016-09-01 | Pipette tip and liquid injection method |
US15/933,690 US10639625B2 (en) | 2015-09-28 | 2018-03-23 | Pipette tip and liquid injection method |
Applications Claiming Priority (1)
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JP2015189733A JP6572078B2 (ja) | 2015-09-28 | 2015-09-28 | ピペットチップおよび液体注入方法 |
Publications (2)
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JP2017067481A true JP2017067481A (ja) | 2017-04-06 |
JP6572078B2 JP6572078B2 (ja) | 2019-09-04 |
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Country Status (4)
Country | Link |
---|---|
US (1) | US10639625B2 (ja) |
EP (1) | EP3358334B1 (ja) |
JP (1) | JP6572078B2 (ja) |
WO (1) | WO2017056839A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019195801A (ja) * | 2018-05-11 | 2019-11-14 | バイオティクス, インコーポレイテッド | ピペットチップ |
USD905865S1 (en) | 2018-05-11 | 2020-12-22 | Biotix, Inc. | Pipette tip |
JP2021101180A (ja) * | 2019-12-24 | 2021-07-08 | 東ソー株式会社 | 鍔を設けた分注チップ |
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JP2002001136A (ja) * | 2000-06-16 | 2002-01-08 | Internatl Reagents Corp | ノズル |
US20080095665A1 (en) * | 2001-09-11 | 2008-04-24 | Smith James C | Ergonomic pipette tip and adapters |
JP2009210353A (ja) * | 2008-03-03 | 2009-09-17 | Yaskawa Electric Corp | 分注装置 |
JP2010510488A (ja) * | 2006-11-16 | 2010-04-02 | アイデックス ラボラトリーズ インコーポレイテッド | ピペットチップ |
WO2015002193A1 (ja) * | 2013-07-02 | 2015-01-08 | 富士フイルム株式会社 | 血液試料分注用アダプタ並びにそれを備えた分注キット及び針キット |
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2015
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2016
- 2016-09-01 WO PCT/JP2016/075586 patent/WO2017056839A1/ja unknown
- 2016-09-01 EP EP16851015.4A patent/EP3358334B1/en active Active
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2018
- 2018-03-23 US US15/933,690 patent/US10639625B2/en active Active
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CN112399888B (zh) * | 2018-05-11 | 2022-06-07 | 拜欧迪克斯公司 | 移液器吸头 |
JP2019195802A (ja) * | 2018-05-11 | 2019-11-14 | バイオティクス, インコーポレイテッド | ピペットチップ |
USD905865S1 (en) | 2018-05-11 | 2020-12-22 | Biotix, Inc. | Pipette tip |
CN112399888A (zh) * | 2018-05-11 | 2021-02-23 | 拜欧迪克斯公司 | 移液器吸头 |
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USD983400S1 (en) | 2018-05-11 | 2023-04-11 | Biotix, Inc. | Pipette tip |
USD983398S1 (en) | 2018-05-11 | 2023-04-11 | Biotix, Inc. | Pipette tip |
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Also Published As
Publication number | Publication date |
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US10639625B2 (en) | 2020-05-05 |
EP3358334A4 (en) | 2018-08-08 |
EP3358334B1 (en) | 2020-08-05 |
US20180207633A1 (en) | 2018-07-26 |
JP6572078B2 (ja) | 2019-09-04 |
EP3358334A1 (en) | 2018-08-08 |
WO2017056839A1 (ja) | 2017-04-06 |
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