ATE352031T1 - Vorrichtung zur messung der teilchengrösse - Google Patents

Vorrichtung zur messung der teilchengrösse

Info

Publication number
ATE352031T1
ATE352031T1 AT97309373T AT97309373T ATE352031T1 AT E352031 T1 ATE352031 T1 AT E352031T1 AT 97309373 T AT97309373 T AT 97309373T AT 97309373 T AT97309373 T AT 97309373T AT E352031 T1 ATE352031 T1 AT E352031T1
Authority
AT
Austria
Prior art keywords
orifice
fluid
size
particle
measuring
Prior art date
Application number
AT97309373T
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 ATE352031T1 publication Critical patent/ATE352031T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N15/13Details pertaining to apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N2015/137Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N2015/138Detecting 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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT97309373T 1996-11-20 1997-11-20 Vorrichtung zur messung der teilchengrösse ATE352031T1 (de)

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
ATE352031T1 true ATE352031T1 (de) 2007-02-15

Family

ID=26310434

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97309373T ATE352031T1 (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)

* 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
CA2381285C (en) 1999-08-06 2010-04-27 Ulrik Darling Larsen Particle characterisation apparatus
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
JP2005534895A (ja) 2002-06-11 2005-11-17 ケムパック エイ/エス 異なるタイプの白血球細胞の同時計数のための溶解試薬、カートリッジおよび自動電子細胞カウンタ
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
US8028566B2 (en) 2005-02-10 2011-10-04 Chempaq A/S Dual sample cartridge and method for characterizing particles in liquid
WO2006084472A1 (en) 2005-02-10 2006-08-17 Chempaq A/S Dual sample cartridge and method for characterizing particle in liquid
NZ564141A (en) 2005-05-09 2011-02-25 Theranos Inc Two way communication system for monitoring an analyte
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
ES2447875T3 (es) 2007-10-02 2014-03-13 Theranos, Inc. Dispositivos modulares para punto de cuidados y usos de los mismos
US8146407B2 (en) * 2008-06-20 2012-04-03 Beckman Coulter, Inc. Particle counter with electronic detection of aperture blockage
CA3081708C (en) 2009-10-19 2023-10-03 Theranos Ip Company, Llc 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
TWI639703B (zh) 2011-01-21 2018-11-01 賽瑞諾斯有限公司 樣本使用最大化之系統及方法
US9459194B2 (en) 2013-03-14 2016-10-04 Cardio Metrix Apparatuses, processes, and systems for measuring particle size distribution and concentration
CA3116447A1 (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)

* 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 (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
IL53921A (en) 1977-02-15 1979-12-30 Coulter Electronics Electronic particle sensing aperture module with perforated electrode
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
GB9724611D0 (en) 1998-01-21
EP0844475A3 (de) 1999-12-08
DE69737255D1 (de) 2007-03-08
EP0844475A2 (de) 1998-05-27
DK0844475T3 (da) 2007-05-21
GB9624096D0 (en) 1997-01-08
EP0844475B1 (de) 2007-01-17
GB2319618B (en) 2000-08-23
GB2319618A (en) 1998-05-27
US6389912B1 (en) 2002-05-21
ES2284178T3 (es) 2007-11-01
DE69737255T2 (de) 2007-10-31

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