FR2362386A1 - Procede et appareil de commande servant a determiner des parametres du sang - Google Patents

Procede et appareil de commande servant a determiner des parametres du sang

Info

Publication number
FR2362386A1
FR2362386A1 FR7705387A FR7705387A FR2362386A1 FR 2362386 A1 FR2362386 A1 FR 2362386A1 FR 7705387 A FR7705387 A FR 7705387A FR 7705387 A FR7705387 A FR 7705387A FR 2362386 A1 FR2362386 A1 FR 2362386A1
Authority
FR
France
Prior art keywords
capillary
control apparatus
particles
pulses
amplitude
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.)
Granted
Application number
FR7705387A
Other languages
English (en)
Other versions
FR2362386B1 (fr
Inventor
Laszlo Cserei
Pal Vimlati
Pal Zillich
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.)
Medicor Muvek
Original Assignee
Medicor Muvek
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 Medicor Muvek filed Critical Medicor Muvek
Publication of FR2362386A1 publication Critical patent/FR2362386A1/fr
Application granted granted Critical
Publication of FR2362386B1 publication Critical patent/FR2362386B1/fr
Granted 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
    • 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
    • G01N15/131—Details
    • G01N15/132—Circuits

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)

Abstract

La présente invention a pour objet un procédé et un appareil de commande servant à déterminer des paramètres du sang. Elle est caractérisée en ce qu'on fait passer la suspension dans un capillaire, en ce qu'on produit un signal caractérisant le nombre et la dimension des particules passant dans le capillaire, en ce qu'on mémorise numériquement l'information se rapportant au nombre desdites panicules, auquel cas les impulsions des signaux caractérisant le nombre et la dimension des particules sont sélectionnées en fonction de leur amplitude et de leur durée et les valeurs des amplitudes des impulsions - qui correspondent aux conditions de sélection - sont déterminées numériquement et additionnées; ensuite, on définit un compartiment de mémorisation par la valeur numérique de l'amplitude en vue de déterminer la répartition des particules suivant leur volume et, en conséquence, on détermine la valeur du volume moyen des cellules et leur courbe de répartition. Elle se rapporte à des installations médicales.
FR7705387A 1976-02-24 1977-02-24 Procede et appareil de commande servant a determiner des parametres du sang Granted FR2362386A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76ME1955A HU173092B (hu) 1976-02-24 1976-02-24 Ehlektroskhema dlja opredelenija chisla eritrocito, srednego ob"joma tel'ca, velichini gematokrita i drugikh parametrov krovi

Publications (2)

Publication Number Publication Date
FR2362386A1 true FR2362386A1 (fr) 1978-03-17
FR2362386B1 FR2362386B1 (fr) 1981-09-04

Family

ID=10999397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7705387A Granted FR2362386A1 (fr) 1976-02-24 1977-02-24 Procede et appareil de commande servant a determiner des parametres du sang

Country Status (12)

Country Link
US (1) US4418313A (fr)
CA (1) CA1086382A (fr)
CS (1) CS210766B1 (fr)
DD (1) DD128467A1 (fr)
DE (1) DE2707153C3 (fr)
FR (1) FR2362386A1 (fr)
GB (1) GB1558928A (fr)
HU (1) HU173092B (fr)
IT (1) IT1118009B (fr)
NL (1) NL7701926A (fr)
PL (1) PL116106B1 (fr)
SE (1) SE423965B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010071A2 (fr) * 1978-09-07 1980-04-16 SALUS ISTITUTO DIAGNOSTICO DI CROCE' DR.FRANCESCO & C. s.a.s. Appareil pour la détermination automatique, en pourcentages, du volume de particules en suspension dans un liquide
EP0012418A1 (fr) * 1978-12-19 1980-06-25 Contraves Ag Dispositif pour classer des particules contenues dans un echantillon de sang

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179728A (en) * 1981-04-30 1982-11-05 Toa Medical Electronics Co Ltd Apparatus for analyzing particle
EP0551043B1 (fr) * 1992-01-07 1996-07-10 Laboratoire Eugedia Procédé et appareil de surveillance du déroulement de l'hémodialyse
US8154273B2 (en) 2008-10-10 2012-04-10 Beckman Coulter, Inc. Detecting and handling coincidence in particle analysis

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US343926A (en) * 1886-06-15 Broom and tool holder
US3345502A (en) * 1964-08-14 1967-10-03 Robert H Berg Pulse analyzer computer
US3502973A (en) * 1966-05-23 1970-03-24 Coulter Electronics Collating apparatus for pairs of electrical pulses produced by particle analyzing apparatus
US3603875A (en) * 1969-05-12 1971-09-07 Coulter Electronics Particle analyzing method and apparatus employing multiple apertures and multiple channels per aperture
US3793587A (en) * 1971-03-10 1974-02-19 Licentia Gmbh Particle volume and cross-section measurement
CH549210A (de) * 1972-09-14 1974-05-15 Contraves Ag Verfahren und messgeraet zur bestimmung des wahren mittleren volumens von in einer elektrolytisch leitenden fluessigkeit suspendierten teilchen.
US3961249A (en) * 1973-10-15 1976-06-01 Coulter Electronics, Inc. Particle size distribution analyzation employing trailing edge differentiation
US3936741A (en) * 1973-10-17 1976-02-03 Coulter Electronics, Inc. Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques
US3882385A (en) * 1974-02-06 1975-05-06 Coulter Electronics Method and apparatus for studying particles having widely different sizes
DE2428082C3 (de) * 1974-06-11 1979-05-17 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Schaltangsanordnung zur Eichung einer Meßanordnung zur Volumen-Messung von Partikeln
US4290001A (en) * 1979-08-03 1981-09-15 General Electric Company Closed loop, microcomputer controlled pulse width modulated inverter-induction machine drive system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010071A2 (fr) * 1978-09-07 1980-04-16 SALUS ISTITUTO DIAGNOSTICO DI CROCE' DR.FRANCESCO & C. s.a.s. Appareil pour la détermination automatique, en pourcentages, du volume de particules en suspension dans un liquide
EP0010071A3 (fr) * 1978-09-07 1980-05-14 SALUS ISTITUTO DIAGNOSTICO DI CROCE' DR.FRANCESCO & C. s.a.s. Appareil pour la détermination automatique, en pourcentages, du volume de particules en suspension dans un liquide
EP0012418A1 (fr) * 1978-12-19 1980-06-25 Contraves Ag Dispositif pour classer des particules contenues dans un echantillon de sang

Also Published As

Publication number Publication date
IT1118009B (it) 1986-02-24
DE2707153C3 (de) 1981-11-12
NL7701926A (nl) 1977-08-26
PL116106B1 (en) 1981-05-30
HU173092B (hu) 1979-02-28
CA1086382A (fr) 1980-09-23
SE7702011L (sv) 1977-08-25
DE2707153B2 (de) 1981-03-12
DE2707153A1 (de) 1977-09-08
SE423965B (sv) 1982-06-21
FR2362386B1 (fr) 1981-09-04
PL196226A1 (pl) 1978-01-16
CS210766B1 (en) 1982-01-29
US4418313A (en) 1983-11-29
GB1558928A (en) 1980-01-09
DD128467A1 (de) 1977-11-16

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Legal Events

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ST Notification of lapse