CA1021402A - Blood test device and method - Google Patents

Blood test device and method

Info

Publication number
CA1021402A
CA1021402A CA220,624A CA220624A CA1021402A CA 1021402 A CA1021402 A CA 1021402A CA 220624 A CA220624 A CA 220624A CA 1021402 A CA1021402 A CA 1021402A
Authority
CA
Canada
Prior art keywords
test device
blood test
blood
test
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
Application number
CA220,624A
Other languages
English (en)
French (fr)
Inventor
Henry R. Angel
James W. Hennessy
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.)
Hycel Inc
Original Assignee
Hycel Inc
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 Hycel Inc filed Critical Hycel Inc
Application granted granted Critical
Publication of CA1021402A publication Critical patent/CA1021402A/en
Expired 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
    • G01N15/1031—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CA220,624A 1974-02-25 1975-02-24 Blood test device and method Expired CA1021402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US445123A US3921066A (en) 1974-02-25 1974-02-25 Blood test device and method

Publications (1)

Publication Number Publication Date
CA1021402A true CA1021402A (en) 1977-11-22

Family

ID=23767691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,624A Expired CA1021402A (en) 1974-02-25 1975-02-24 Blood test device and method

Country Status (4)

Country Link
US (1) US3921066A (en, 2012)
JP (1) JPS519886A (en, 2012)
CA (1) CA1021402A (en, 2012)
FR (1) FR2262296B1 (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052596A (en) * 1974-12-23 1977-10-04 Hycel, Inc. Automatic hematology analyzer
US4068169A (en) * 1976-09-21 1978-01-10 Hycel, Inc. Method and apparatus for determining hematocrit
US4130754A (en) * 1977-06-16 1978-12-19 Cortex Research Corporation Particle counting
US4262253A (en) * 1978-04-26 1981-04-14 Phillips Petroleum Company Constant alternating current conductivity detector for a chromatograph
FR2436984A1 (fr) * 1978-09-22 1980-04-18 Cortex Res Corp Appareil de comptage de particules en suspension dans un milieu liquide
US4296373A (en) 1979-07-12 1981-10-20 Hycel, Inc. Hematology cell counting apparatus incorporating multiple transducers for sequential operation
US4357105A (en) * 1980-08-06 1982-11-02 Buffalo Medical Specialties Mfg., Inc. Blood diagnostic spectrophotometer
JPS60213850A (ja) * 1984-04-09 1985-10-26 Hitachi Ltd 粒子分析装置
GB8619627D0 (en) * 1986-08-12 1986-09-24 Genetics Int Inc Electrochemical assay
US6058934A (en) * 1995-11-02 2000-05-09 Chiron Diagnostics Corporation Planar hematocrit sensor incorporating a seven-electrode conductivity measurement cell
US6204668B1 (en) * 1999-02-22 2001-03-20 Coulter International Corp. DC/RF blood cell detector using isolated bridge circuit having automatic amplitude and phase balance components
US6716633B2 (en) * 2000-09-18 2004-04-06 Sysmex Corporation Blood cell detector, blood analyzer and blood analyzing method using the detector
CN105699299B (zh) * 2016-01-28 2018-02-27 陈晓乾 一种红细胞含量和血色素含量测定方法和测定装置
CN105699434B (zh) * 2016-01-28 2018-03-23 陈晓乾 一种血小板含量的测定方法和测定装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2080613A (en) * 1932-03-08 1937-05-18 Lange Bruno Light operated electric photometer
US3271671A (en) * 1961-04-06 1966-09-06 Coulter Electronics Particle analyzing device
US3520316A (en) * 1963-12-12 1970-07-14 Bowles Eng Corp Pressure-to-pressure transducer
CH456032A (de) * 1965-05-12 1968-05-15 Medicor Muevek Teilchenzähleinrichtung
CH481431A (de) * 1968-04-05 1969-11-15 Contraves Ag Teilchenzähler
CH482249A (de) * 1968-04-19 1969-11-30 Contraves Ag Teilchenzähleinrichtung
US3654551A (en) * 1970-03-04 1972-04-04 Bethlehem Steel Corp Aperture vessel for fluid-suspension particle analyzer
US3657725A (en) * 1970-04-28 1972-04-18 Gen Science Corp Particle counting system
US3743424A (en) * 1970-11-19 1973-07-03 Coulter Electronics Combined electronic and optical method and apparatus for analyzing liquid samples
JPS556182B2 (en, 2012) * 1972-06-06 1980-02-14
US3768084A (en) * 1972-07-14 1973-10-23 Becton Dickinson Co Particle counter having a clog and bubble alarm

Also Published As

Publication number Publication date
FR2262296A1 (en, 2012) 1975-09-19
JPS519886A (en) 1976-01-26
US3921066A (en) 1975-11-18
FR2262296B1 (en, 2012) 1979-03-09

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