DE60020571D1 - Verfahren und vorrichtung zur unterscheidung und zählung von leukozyten - Google Patents

Verfahren und vorrichtung zur unterscheidung und zählung von leukozyten

Info

Publication number
DE60020571D1
DE60020571D1 DE60020571T DE60020571T DE60020571D1 DE 60020571 D1 DE60020571 D1 DE 60020571D1 DE 60020571 T DE60020571 T DE 60020571T DE 60020571 T DE60020571 T DE 60020571T DE 60020571 D1 DE60020571 D1 DE 60020571D1
Authority
DE
Germany
Prior art keywords
leukocytes
distinction
county
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 - Fee Related
Application number
DE60020571T
Other languages
English (en)
Other versions
DE60020571T2 (de
Inventor
Chiranjit Deka
A Wells
M Rodriguez
Carlos Reyes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beckman Coulter Inc
Original Assignee
Coulter International Corp
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 Coulter International Corp filed Critical Coulter International Corp
Publication of DE60020571D1 publication Critical patent/DE60020571D1/de
Application granted granted Critical
Publication of DE60020571T2 publication Critical patent/DE60020571T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N2015/016—
    • G01N2015/1019—
    • 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
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/10—Composition for standardization, calibration, simulation, stabilization, preparation or preservation; processes of use in preparation for chemical testing
    • 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
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/10—Composition for standardization, calibration, simulation, stabilization, preparation or preservation; processes of use in preparation for chemical testing
    • Y10T436/101666—Particle count or volume standard or control [e.g., platelet count standards, etc.]
DE60020571T 1999-08-09 2000-07-28 Verfahren und vorrichtung zur unterscheidung und zählung von leukozyten Expired - Fee Related DE60020571T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US370814 1999-08-09
US09/370,814 US6232125B1 (en) 1999-08-09 1999-08-09 Method and apparatus for differentiating and enumerating leukocytes
PCT/US2000/020635 WO2001011339A1 (en) 1999-08-09 2000-07-28 Method and apparatus for differentiating and enumerating leukocytes

Publications (2)

Publication Number Publication Date
DE60020571D1 true DE60020571D1 (de) 2005-07-07
DE60020571T2 DE60020571T2 (de) 2006-05-04

Family

ID=23461304

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60020571T Expired - Fee Related DE60020571T2 (de) 1999-08-09 2000-07-28 Verfahren und vorrichtung zur unterscheidung und zählung von leukozyten

Country Status (5)

Country Link
US (1) US6232125B1 (de)
EP (1) EP1206693B1 (de)
JP (1) JP2003506710A (de)
DE (1) DE60020571T2 (de)
WO (1) WO2001011339A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999058955A1 (en) * 1998-05-14 1999-11-18 Luminex Corporation Multi-analyte diagnostic system and computer implemented process for same
US6784981B1 (en) 2000-06-02 2004-08-31 Idexx Laboratories, Inc. Flow cytometry-based hematology system
US6653137B2 (en) 2001-12-03 2003-11-25 Streck Laboratories Inc. Hematology reference control
US6723563B2 (en) 2001-12-03 2004-04-20 Streck Laboratories Inc. Hematology reference control
US6743634B2 (en) * 2002-08-23 2004-06-01 Coulter International Corp. Method and apparatus for differentiating blood cells using back-scatter
US6798508B2 (en) * 2002-08-23 2004-09-28 Coulter International Corp. Fiber optic apparatus for detecting light scatter to differentiate blood cells and the like
US7092078B2 (en) * 2003-03-31 2006-08-15 Nihon Kohden Corporation Flow cytometer for classifying leukocytes and method for determining detection angle range of the same
US7449337B2 (en) * 2007-01-24 2008-11-11 Idexx Laboratories, Inc. Lytic reagent and method for leukocytes differential in whole blood
US7618821B2 (en) 2007-04-13 2009-11-17 Streck, Inc. Simulated blood components and methods
CN102087197B (zh) * 2009-12-08 2014-06-18 龚维燕 全功能血液分析仪器中库尔特微孔的共轴照明方法及其分析仪器
JP2009236798A (ja) * 2008-03-28 2009-10-15 Sysmex Corp 好塩基球の分類計数方法
ITFI20080095A1 (it) * 2008-05-15 2009-11-16 Oglio Giorgio Dall Metodo e dispositivo di compensazione per segnali di luce di scattering generati da interazione di luce con particelle o cellule biologiche in movimento in correnti fluide come nella citometria a flusso.
US8094299B2 (en) 2008-07-24 2012-01-10 Beckman Coulter, Inc. Transducer module
US20100086962A1 (en) 2008-10-08 2010-04-08 Streck, Inc. Hematology controls and methods
US20100329927A1 (en) 2009-06-26 2010-12-30 Perez Carlos A Pipelining Assembly For A Blood Analyzing Instrument
US9005915B2 (en) * 2010-04-06 2015-04-14 Oxford Biomedical Technologies, Inc. Method for in vitro blood testing
WO2014144585A1 (en) * 2013-03-15 2014-09-18 Beckman Coulter, Inc. Radiated light filtering for a flow cytometer
CN104297497B (zh) 2013-07-16 2016-02-24 成都深迈瑞医疗电子技术研究院有限公司 血液分析方法、控制装置和血液细胞分析仪
US10215683B2 (en) 2015-11-02 2019-02-26 Chiranjit Deka Light scatter based apparatus and methods for hematology analysis using only three detectors
CA3074949C (en) * 2017-09-21 2022-09-27 Bit Group France Optical flow cytometer for epi-fluorescence measurement
EP4343304A2 (de) 2018-03-30 2024-03-27 IDEXX Laboratories, Inc. Durchflusszytometer, laseroptikanordnung dafür und verfahren zur montage davon
WO2021026123A1 (en) * 2019-08-06 2021-02-11 Beckman Coulter, Inc. Detecting and reporting subpopulations of neutrophils
KR102547788B1 (ko) 2020-06-17 2023-06-26 아이덱스 래보러토리즈, 인코포레이티드 플로우 사이토미터 및 그 레이저 광학 어셈블리

Family Cites Families (10)

* 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
CA1255197A (en) * 1984-09-24 1989-06-06 Joseph L. Orlik Leukocyte differentiation composition and method
NL8601000A (nl) * 1986-04-21 1987-11-16 Jan Greve T H Twente Afdeling Het gebruik van gepolariseerd licht in stromingscytometrie.
KR970007077B1 (ko) 1987-03-13 1997-05-02 코울터 일렉트로닉스 인커퍼레이티드 광산란 기술을 이용한 다중-부분식별 분석 방법
CA2016699C (en) 1989-05-15 2003-11-18 Paul N. Marshall Lytic agents and uses thereof
US5872627A (en) * 1996-07-30 1999-02-16 Bayer Corporation Method and apparatus for detecting scattered light in an analytical instrument
JP3783808B2 (ja) * 1997-05-19 2006-06-07 シスメックス株式会社 白血球分類計数用試薬
US5874310A (en) * 1997-11-21 1999-02-23 Coulter International Corp. Method for differentiation of nucleated red blood cells
US5874311A (en) * 1997-11-21 1999-02-23 Coulter International Corp. Method for differentiation of reticulocytes in blood
US6067157A (en) * 1998-10-09 2000-05-23 University Of Washington Dual large angle light scattering detection

Also Published As

Publication number Publication date
JP2003506710A (ja) 2003-02-18
US6232125B1 (en) 2001-05-15
DE60020571T2 (de) 2006-05-04
EP1206693B1 (de) 2005-06-01
EP1206693A1 (de) 2002-05-22
WO2001011339A1 (en) 2001-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee