BRPI0608340A2 - método, dispositivo e sistema para a enumeração volumétrica de células sangüìneas brancas - Google Patents

método, dispositivo e sistema para a enumeração volumétrica de células sangüìneas brancas

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Publication number
BRPI0608340A2
BRPI0608340A2 BRPI0608340-4A BRPI0608340A BRPI0608340A2 BR PI0608340 A2 BRPI0608340 A2 BR PI0608340A2 BR PI0608340 A BRPI0608340 A BR PI0608340A BR PI0608340 A2 BRPI0608340 A2 BR PI0608340A2
Authority
BR
Brazil
Prior art keywords
blood cells
white blood
sampling device
blood sample
volumetric
Prior art date
Application number
BRPI0608340-4A
Other languages
English (en)
Inventor
Stellan Lindberg
Johnny Svensson
Original Assignee
Hemocue Ab
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 Hemocue Ab filed Critical Hemocue Ab
Publication of BRPI0608340A2 publication Critical patent/BRPI0608340A2/pt
Publication of BRPI0608340B1 publication Critical patent/BRPI0608340B1/pt
Publication of BRPI0608340B8 publication Critical patent/BRPI0608340B8/pt

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    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • 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
    • G01N15/04—Investigating sedimentation of particle suspensions
    • G01N15/05—Investigating sedimentation of particle suspensions in blood
    • A—HUMAN NECESSITIES
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    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
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    • A61B5/150022—Source of blood for capillary blood or interstitial fluid
    • A—HUMAN NECESSITIES
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    • A61B5/15—Devices for taking samples of blood
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B5/150007—Details
    • A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
    • A61B5/150061—Means for enhancing collection
    • A61B5/150099—Means for enhancing collection by negative pressure, other than vacuum extraction into a syringe by pulling on the piston rod or into pre-evacuated tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150229—Pumps for assisting the blood sampling
    • A—HUMAN NECESSITIES
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    • A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
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    • G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
    • G01N33/5094—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for blood cell populations
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    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
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    • G—PHYSICS
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    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0325—Cells for testing reactions, e.g. containing reagents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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    • G01N2021/0346—Capillary cells; Microcells
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    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/11—Filling or emptying of cuvettes
    • 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
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    • 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.]
    • 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
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Abstract

MéTODO, DISPOSITIVO E SISTEMA PARA A ENUMERAçãO VOLUMéTRICA DE CéLULAS SANGUìNEAS BRANCAS. A presente invenção refere-se a um dispositivo de obtenção de amostras para enumeração volumétrica de células sangúíneas brancas em uma amostra de sangue que compreende uma cavidade de medição para receber uma amostra de sangue. A cavidade de medição tem uma espessura fixa predeterminada. O dispositivo de obtenção de amostras compreende, ainda, um reagente, que está disposto em uma forma seca sobre uma superfície que define a cavidade de medição. O reagente compreende um agente de hemólise para lisar células sangúíneas vermelhas na amostra de sangue. Um sistema compreende o dispositivo de obtenção de amostras e um aparelho de medição. O aparelho de medição compreende um suporte de dispositivo de obtenção de amostras, uma fonte de luz e um sistema de formação de imagens para obter uma imagem digital de uma ampliação da amostra. O aparelho de medição compreende, ainda, um analisador de imagens, previsto para analisar a imagem digital obtida para determinar o número de células sangúineas brancas na amostra de sangue.
BRPI0608340A 2005-03-11 2006-03-10 dispositvo de obtenção de amostras, método e sistema para a enumeração volumétrica de células sanguíneas brancas BRPI0608340B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0500549A SE528697C2 (sv) 2005-03-11 2005-03-11 Volymetrisk bestämning av antalet vita blodkroppar i ett blodprov
SE05005491 2005-03-11
PCT/SE2006/000311 WO2006096126A1 (en) 2005-03-11 2006-03-10 A method, device and system for volumetric enumeration of white blood cells.

Publications (3)

Publication Number Publication Date
BRPI0608340A2 true BRPI0608340A2 (pt) 2009-12-01
BRPI0608340B1 BRPI0608340B1 (pt) 2019-04-02
BRPI0608340B8 BRPI0608340B8 (pt) 2021-07-27

Family

ID=36538562

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Application Number Title Priority Date Filing Date
BRPI0608340A BRPI0608340B8 (pt) 2005-03-11 2006-03-10 dispositvo de obtenção de amostras, método e sistema para a enumeração volumétrica de células sanguíneas brancas

Country Status (19)

Country Link
US (2) US7521243B2 (pt)
EP (1) EP1701150B1 (pt)
JP (1) JP4642893B2 (pt)
KR (1) KR101244234B1 (pt)
CN (1) CN101137904B (pt)
AU (1) AU2006221130B2 (pt)
BR (1) BRPI0608340B8 (pt)
CA (1) CA2599747C (pt)
DK (1) DK1701150T3 (pt)
LT (1) LT1701150T (pt)
MX (1) MX2007011104A (pt)
MY (1) MY143768A (pt)
NO (1) NO340137B1 (pt)
PL (1) PL1701150T3 (pt)
PT (1) PT1701150T (pt)
RU (1) RU2365919C2 (pt)
SE (1) SE528697C2 (pt)
WO (1) WO2006096126A1 (pt)
ZA (1) ZA200707425B (pt)

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