DE69737255D1 - Vorrichtung zur Messung der Teilchengrösse - Google Patents
Vorrichtung zur Messung der TeilchengrösseInfo
- Publication number
- DE69737255D1 DE69737255D1 DE69737255T DE69737255T DE69737255D1 DE 69737255 D1 DE69737255 D1 DE 69737255D1 DE 69737255 T DE69737255 T DE 69737255T DE 69737255 T DE69737255 T DE 69737255T DE 69737255 D1 DE69737255 D1 DE 69737255D1
- Authority
- DE
- Germany
- Prior art keywords
- orifice
- fluid
- size
- measuring
- particle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002245 particle Substances 0.000 title abstract 5
- 239000012530 fluid Substances 0.000 abstract 6
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N15/13—Details pertaining to apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N2015/137—Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N2015/138—Detecting blocking debris
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Seeds, Soups, And Other Foods (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9624096.5A GB9624096D0 (en) | 1996-11-20 | 1996-11-20 | Apparatus and method of use thereof |
GB9624096 | 1996-11-20 | ||
US08/754,823 US6389912B1 (en) | 1996-11-20 | 1996-11-21 | Particle sizing apparatus and method of use thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69737255D1 true DE69737255D1 (de) | 2007-03-08 |
DE69737255T2 DE69737255T2 (de) | 2007-10-31 |
Family
ID=26310434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69737255T Expired - Lifetime DE69737255T2 (de) | 1996-11-20 | 1997-11-20 | Vorrichtung zur Messung der Teilchengrösse |
Country Status (7)
Country | Link |
---|---|
US (1) | US6389912B1 (de) |
EP (1) | EP0844475B1 (de) |
AT (1) | ATE352031T1 (de) |
DE (1) | DE69737255T2 (de) |
DK (1) | DK0844475T3 (de) |
ES (1) | ES2284178T3 (de) |
GB (2) | GB9624096D0 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9624096D0 (en) | 1996-11-20 | 1997-01-08 | Microbial Systems Ltd | Apparatus and method of use thereof |
US6418802B1 (en) * | 1996-11-21 | 2002-07-16 | Michael Anthony Wood | Particle sizing apparatus and method of use thereof |
GB9810493D0 (en) * | 1998-05-16 | 1998-07-15 | Microbial Systems Ltd | Particle detector system |
EP1206692B1 (de) | 1999-08-06 | 2008-11-26 | Chempaq A/S | Teilchenbestimmungsvorrichtung |
US6864979B2 (en) * | 2000-12-08 | 2005-03-08 | Horiba, Ltd | Particle size distribution measuring apparatus |
DE60233708D1 (de) * | 2001-11-30 | 2009-10-29 | Sysmex Corp | Teilchenanalysator |
CA2489099C (en) | 2002-06-11 | 2012-12-18 | Chempaq A/S | A disposable cartridge for characterizing particles suspended in a liquid |
JP4359452B2 (ja) * | 2003-06-26 | 2009-11-04 | シスメックス株式会社 | 試料分析装置 |
EP1528387A3 (de) * | 2003-10-27 | 2006-05-24 | Leister Process Technologies | Verfahren zur Unterscheidung von Partikeln in einem Durchflusszytometer |
CA2855108A1 (en) | 2005-02-10 | 2006-08-17 | Koninklijke Philips Electronics N.V. | Dual sample cartridge and method for characterizing particles in liquid |
JP5096170B2 (ja) | 2005-02-10 | 2012-12-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | デュアルサンプルカートリッジ及び液体中の粒子を特徴付ける方法 |
US20060264783A1 (en) | 2005-05-09 | 2006-11-23 | Holmes Elizabeth A | Systems and methods for monitoring pharmacological parameters |
US11287421B2 (en) | 2006-03-24 | 2022-03-29 | Labrador Diagnostics Llc | Systems and methods of sample processing and fluid control in a fluidic system |
US8007999B2 (en) | 2006-05-10 | 2011-08-30 | Theranos, Inc. | Real-time detection of influenza virus |
US8012744B2 (en) | 2006-10-13 | 2011-09-06 | Theranos, Inc. | Reducing optical interference in a fluidic device |
US20080113391A1 (en) | 2006-11-14 | 2008-05-15 | Ian Gibbons | Detection and quantification of analytes in bodily fluids |
US8158430B1 (en) | 2007-08-06 | 2012-04-17 | Theranos, Inc. | Systems and methods of fluidic sample processing |
CN103323610B (zh) | 2007-10-02 | 2016-12-28 | 赛拉诺斯股份有限公司 | 模块化现场护理装置及其应用 |
US8146407B2 (en) * | 2008-06-20 | 2012-04-03 | Beckman Coulter, Inc. | Particle counter with electronic detection of aperture blockage |
US8862448B2 (en) | 2009-10-19 | 2014-10-14 | Theranos, Inc. | Integrated health data capture and analysis system |
CN102533536B (zh) * | 2010-12-28 | 2017-04-05 | 深圳迈瑞生物医疗电子股份有限公司 | 计数器组件、鞘液阻抗计数装置及流式细胞分析仪 |
CN106290160A (zh) | 2011-01-21 | 2017-01-04 | 提拉诺斯公司 | 样品使用最大化的系统和方法 |
US9459194B2 (en) | 2013-03-14 | 2016-10-04 | Cardio Metrix | Apparatuses, processes, and systems for measuring particle size distribution and concentration |
WO2020078560A1 (en) | 2018-10-18 | 2020-04-23 | Cellfacts Analytics Limited | A method and apparatus for monitoring microbial contaminants in an industrial process |
CN111257204B (zh) * | 2018-11-30 | 2021-11-23 | 深圳市帝迈生物技术有限公司 | 用于样本分析仪的微孔堵塞的侦测方法及样本分析仪 |
CN114543957B (zh) * | 2020-11-26 | 2024-08-16 | 梅特勒-托利多(常州)测量技术有限公司 | 检测信号的实时处理方法及检测器 |
CN112683949B (zh) * | 2020-11-30 | 2023-09-19 | 深圳市科曼医疗设备有限公司 | 一种宝石孔堵塞的检测方法、系统及存储介质 |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2656508A (en) | 1949-08-27 | 1953-10-20 | Wallace H Coulter | Means for counting particles suspended in a fluid |
US3259891A (en) * | 1964-05-01 | 1966-07-05 | Coulter Electronics | Debris alarm |
US3395344A (en) | 1964-11-25 | 1968-07-30 | Coulter Electronics | Particle studying apparatus with selfclearing scanner element |
US3444464A (en) | 1965-11-26 | 1969-05-13 | Coulter Electronics | Multiple aperture fittings for particle analyzing apparatus |
US3530381A (en) | 1968-01-15 | 1970-09-22 | Coulter Electronics | Voting circuit control apparatus for multiple aperture particle analyzing device |
US3567321A (en) | 1968-07-22 | 1971-03-02 | Coulter Electronics | Bath for containing and receiving a plurality of aperture tubes |
DE1806512B2 (de) | 1968-11-02 | 1971-08-12 | Vorrichtung zum klassieren von in einer untersuchungs fluessigkeit suspendierten partikeln | |
US3678382A (en) | 1970-04-09 | 1972-07-18 | Coulter Electronics | Malfunction detection circuit and method |
US3739258A (en) | 1971-08-20 | 1973-06-12 | Iit Res Inst | Method and apparatus for detecting and sizing microscopic particles |
CH544971A (de) | 1972-03-29 | 1973-11-30 | Contraves Ag | Verfahren zum Feststellen von Fehlern beim Zählen von in einem bestimmten Flüssigkeitsvolumen enthaltenen Teilchen |
GB1371432A (en) | 1972-05-12 | 1974-10-23 | Coulter Electronics | Particle study apparatus having particle resolution means |
US3783376A (en) * | 1972-06-21 | 1974-01-01 | Becton Dickinson Co | Particle counter having removable aperture slide |
US3768084A (en) | 1972-07-14 | 1973-10-23 | Becton Dickinson Co | Particle counter having a clog and bubble alarm |
US3973194A (en) * | 1972-08-07 | 1976-08-03 | Becton, Dickinson And Company | Particle counter |
DD102215A1 (de) | 1973-02-02 | 1973-12-12 | ||
US3863056A (en) | 1973-06-29 | 1975-01-28 | Coulter Electronics | Method and apparatus for multichannel voting |
US3930736A (en) | 1974-07-01 | 1976-01-06 | Coulter Electronics, Inc. | Aperture tube with attached thief |
US3963984A (en) * | 1974-11-04 | 1976-06-15 | Coulter Electronics, Inc. | Method and system for cleaning an aperture in a particle study device |
US4014611A (en) | 1975-04-30 | 1977-03-29 | Coulter Electronics, Inc. | Aperture module for use in particle testing apparatus |
US4078211A (en) | 1976-09-29 | 1978-03-07 | Coulter Electronics, Inc. | Method and apparatus for balancing particle detecting signals generated in a particle study device having multiple apertures |
SE7801123L (sv) | 1977-02-15 | 1978-08-16 | Coulter Electronics | Elektronisk partikelavkenningsoppningsmodul med perforerade elektroder |
US4290011A (en) | 1978-05-18 | 1981-09-15 | Particle Data, Inc. | Particle length and volume comeasurement with controlled orientation |
US4491786A (en) | 1978-09-13 | 1985-01-01 | Coulter Electronics, Inc. | Transducer for measuring particles suspended in a fluid |
FR2472183B1 (fr) | 1979-12-12 | 1986-03-07 | Coulter Electronics | Procede de nettoyage d'une ouverture pour un dispositif d'etude de particules et appareil pour la mise en oeuvre de ce procede |
US4412175A (en) | 1981-04-30 | 1983-10-25 | Coulter Electronics, Inc. | Debris alarm |
US4450435A (en) * | 1981-11-30 | 1984-05-22 | Bobby Dencil James | Analog debris alarm |
US4600880A (en) | 1983-03-03 | 1986-07-15 | Limca Research Inc. | Apparatus for the detection and measurement of particulates in molten metal |
US4564803A (en) | 1983-08-29 | 1986-01-14 | Coulter Corporation | Method and apparatus for removing foreign matter from a flow cell of a particle study device |
GB8410500D0 (en) | 1984-04-25 | 1984-05-31 | Orbec Ltd | Monitoring particles in liquids |
FR2569477B1 (fr) | 1984-08-24 | 1987-01-02 | Descartes Universite Rene | Appareil et procede pour la determination de la deformabilite des globules rouges du sang |
GB8505047D0 (en) | 1985-02-27 | 1985-03-27 | Alcan Int Ltd | Studying particles |
US4775833A (en) | 1986-10-03 | 1988-10-04 | Coulter Electronics, Inc. | Lodged debris detector for a particle analyzer |
ATE91789T1 (de) | 1987-02-17 | 1993-08-15 | Ratcom Inc | Durchflusszytometrie. |
US4977517A (en) | 1988-09-21 | 1990-12-11 | Toni Diagnostics, Inc. | Leak and clog detection and removal system for use with particle counters |
AU8419991A (en) | 1990-07-17 | 1992-02-18 | Mark J. Pasula | Blood testing apparatus |
JP2965688B2 (ja) * | 1990-11-30 | 1999-10-18 | シスメックス株式会社 | 粒子検出装置 |
JPH07301595A (ja) | 1994-05-09 | 1995-11-14 | Toa Medical Electronics Co Ltd | 粒子測定装置およびその粒子測定方法 |
GB9624096D0 (en) | 1996-11-20 | 1997-01-08 | Microbial Systems Ltd | Apparatus and method of use thereof |
-
1996
- 1996-11-20 GB GBGB9624096.5A patent/GB9624096D0/en active Pending
- 1996-11-21 US US08/754,823 patent/US6389912B1/en not_active Expired - Fee Related
-
1997
- 1997-11-20 DK DK97309373T patent/DK0844475T3/da active
- 1997-11-20 ES ES97309373T patent/ES2284178T3/es not_active Expired - Lifetime
- 1997-11-20 DE DE69737255T patent/DE69737255T2/de not_active Expired - Lifetime
- 1997-11-20 EP EP97309373A patent/EP0844475B1/de not_active Expired - Lifetime
- 1997-11-20 AT AT97309373T patent/ATE352031T1/de not_active IP Right Cessation
- 1997-11-20 GB GB9724611A patent/GB2319618B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0844475A2 (de) | 1998-05-27 |
US6389912B1 (en) | 2002-05-21 |
GB9724611D0 (en) | 1998-01-21 |
GB9624096D0 (en) | 1997-01-08 |
ES2284178T3 (es) | 2007-11-01 |
GB2319618A (en) | 1998-05-27 |
EP0844475B1 (de) | 2007-01-17 |
ATE352031T1 (de) | 2007-02-15 |
DK0844475T3 (da) | 2007-05-21 |
EP0844475A3 (de) | 1999-12-08 |
DE69737255T2 (de) | 2007-10-31 |
GB2319618B (en) | 2000-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CELLFACTS INSTRUMENTS LTD., COVENTRY, GB |