DK0844475T3 - Apparat til bestemmelse af partikelstörrelse - Google Patents

Apparat til bestemmelse af partikelstörrelse

Info

Publication number
DK0844475T3
DK0844475T3 DK97309373T DK97309373T DK0844475T3 DK 0844475 T3 DK0844475 T3 DK 0844475T3 DK 97309373 T DK97309373 T DK 97309373T DK 97309373 T DK97309373 T DK 97309373T DK 0844475 T3 DK0844475 T3 DK 0844475T3
Authority
DK
Denmark
Prior art keywords
orifice
fluid
size
particle
particle size
Prior art date
Application number
DK97309373T
Other languages
English (en)
Inventor
Michael Anthony Wood
Original Assignee
Microbial Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Microbial Systems Ltd filed Critical Microbial Systems Ltd
Application granted granted Critical
Publication of DK0844475T3 publication Critical patent/DK0844475T3/da

Links

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)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Seeds, Soups, And Other Foods (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DK97309373T 1996-11-20 1997-11-20 Apparat til bestemmelse af partikelstörrelse DK0844475T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9624096.5A GB9624096D0 (en) 1996-11-20 1996-11-20 Apparatus and method of use thereof
US08/754,823 US6389912B1 (en) 1996-11-20 1996-11-21 Particle sizing apparatus and method of use thereof

Publications (1)

Publication Number Publication Date
DK0844475T3 true DK0844475T3 (da) 2007-05-21

Family

ID=26310434

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97309373T DK0844475T3 (da) 1996-11-20 1997-11-20 Apparat til bestemmelse af partikelstörrelse

Country Status (7)

Country Link
US (1) US6389912B1 (da)
EP (1) EP0844475B1 (da)
AT (1) ATE352031T1 (da)
DE (1) DE69737255T2 (da)
DK (1) DK0844475T3 (da)
ES (1) ES2284178T3 (da)
GB (2) GB9624096D0 (da)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
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
DE60040915D1 (de) 1999-08-06 2009-01-08 Chempaq As Teilchenbestimmungsvorrichtung
US6864979B2 (en) * 2000-12-08 2005-03-08 Horiba, Ltd Particle size distribution measuring apparatus
EP1316792B1 (en) * 2001-11-30 2009-09-16 Sysmex Corporation Particle analyzer
JP2005529327A (ja) * 2002-06-11 2005-09-29 ケムパック エイ／エス 液体中に懸濁された粒子を特徴付けるための使い捨てカートリッジ
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 (en) * 2003-10-27 2006-05-24 Leister Process Technologies Method for discrimination of particles in a flow cytometer
AU2006212607B2 (en) 2005-02-10 2010-12-09 Koninklijke Philips Electronics N.V. Dual sample cartridge and method for characterizing particle in liquid
CA2855108A1 (en) 2005-02-10 2006-08-17 Koninklijke Philips Electronics N.V. Dual sample cartridge and method for characterizing particles in liquid
MX2007013985A (es) 2005-05-09 2008-02-22 Theranos Inc Sistemas de fluidos de punto de cuidado y usos de los mismos.
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
CN104297506B (zh) 2007-10-02 2017-05-03 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
AU2010308329B2 (en) 2009-10-19 2016-10-13 Labrador Diagnostics Llc Integrated health data capture and analysis system
CN105092454B (zh) * 2010-12-28 2018-05-01 深圳迈瑞生物医疗电子股份有限公司 计数器及流式细胞分析仪
CN103477197B (zh) 2011-01-21 2016-08-17 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
JP2022516682A (ja) 2018-10-18 2022-03-01 セルファクツ アナリティックス リミテッド 工業的処理における微生物汚染物質をモニタリングする方法及び装置
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
CN115876671A (zh) * 2022-12-23 2023-03-31 深圳市科曼医疗设备有限公司 一种识别堵孔的方法及样本分析仪
CN115931038A (zh) * 2022-12-23 2023-04-07 深圳市科曼医疗设备有限公司 一种识别堵孔的方法及样本分析仪

Family Cites Families (38)

* Cited by examiner, † Cited by third party
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 (da) 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
DE3786657D1 (de) 1987-02-17 1993-08-26 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
WO1992001934A1 (en) 1990-07-17 1992-02-06 Pasula Mark J 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

Also Published As

Publication number Publication date
DE69737255T2 (de) 2007-10-31
GB2319618B (en) 2000-08-23
EP0844475B1 (en) 2007-01-17
GB9724611D0 (en) 1998-01-21
EP0844475A2 (en) 1998-05-27
US6389912B1 (en) 2002-05-21
DE69737255D1 (de) 2007-03-08
GB2319618A (en) 1998-05-27
GB9624096D0 (en) 1997-01-08
EP0844475A3 (en) 1999-12-08
ES2284178T3 (es) 2007-11-01
ATE352031T1 (de) 2007-02-15

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