DE602004006148D1 - Verfahren zur reduzierung des effekts eines direkten interferenzstroms in einem elektrochemischen teststreifen - Google Patents

Verfahren zur reduzierung des effekts eines direkten interferenzstroms in einem elektrochemischen teststreifen

Info

Publication number
DE602004006148D1
DE602004006148D1 DE602004006148T DE602004006148T DE602004006148D1 DE 602004006148 D1 DE602004006148 D1 DE 602004006148D1 DE 602004006148 T DE602004006148 T DE 602004006148T DE 602004006148 T DE602004006148 T DE 602004006148T DE 602004006148 D1 DE602004006148 D1 DE 602004006148D1
Authority
DE
Germany
Prior art keywords
reducing
test strip
effect
electrochemical test
interference current
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.)
Active
Application number
DE602004006148T
Other languages
English (en)
Other versions
DE602004006148T2 (de
Inventor
Oliver William Hardwick Davies
Robert Marshall
Damian Edward Hayd Baskeyfield
Lynsey Whyte
Elaine Leiper
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.)
LifeScan Scotland Ltd
Original Assignee
LifeScan Scotland 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 LifeScan Scotland Ltd filed Critical LifeScan Scotland Ltd
Publication of DE602004006148D1 publication Critical patent/DE602004006148D1/de
Application granted granted Critical
Publication of DE602004006148T2 publication Critical patent/DE602004006148T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/49—Systems involving the determination of the current at a single specific value, or small range of values, of applied voltage for producing selective measurement of one or more particular ionic species
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/001—Enzyme electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using enzyme electrodes, e.g. with immobilised oxidase
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/150022—Source of blood for capillary blood or interstitial fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150274—Manufacture or production processes or steps for blood sampling devices
    • A61B5/150282—Manufacture or production processes or steps for blood sampling devices for piercing elements, e.g. blade, lancet, canula, needle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150358—Strips for collecting blood, e.g. absorbent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
    • A61B5/150435—Specific design of proximal end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150503—Single-ended needles
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/001—Enzyme electrodes
    • C12Q1/005—Enzyme electrodes involving specific analytes or enzymes
    • C12Q1/006—Enzyme electrodes involving specific analytes or enzymes for glucose
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
    • G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
    • G01N27/3274—Corrective measures, e.g. error detection, compensation for temperature or hematocrit, calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • 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
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
DE602004006148T 2003-10-31 2004-10-29 Verfahren zur reduzierung des effekts eines direkten interferenzstroms in einem elektrochemischen teststreifen Active DE602004006148T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US51625203P 2003-10-31 2003-10-31
US516252P 2003-10-31
US55872804P 2004-03-31 2004-03-31
US55842404P 2004-03-31 2004-03-31
US558728P 2004-03-31
US558424P 2004-03-31
PCT/GB2004/004574 WO2005045412A1 (en) 2003-10-31 2004-10-29 Method of reducing the effect of direct interference current in an electrochemical test strip

Publications (2)

Publication Number Publication Date
DE602004006148D1 true DE602004006148D1 (de) 2007-06-06
DE602004006148T2 DE602004006148T2 (de) 2007-12-27

Family

ID=34577659

Family Applications (4)

Application Number Title Priority Date Filing Date
DE602004004929T Active DE602004004929T2 (de) 2003-10-31 2004-10-29 Elektrochemischer teststreifen zur verringerung des effekts eines direkten interferenzstroms
DE602004025960T Active DE602004025960D1 (de) 2003-10-31 2004-10-29 Messgerät zur verwendung in einem verfahren zur reduzierung von interferenzen in einem elektrochemischen sensor unter verwendung von zwei unterschiedlichen angelegten potentialen
DE602004021835T Active DE602004021835D1 (de) 2003-10-31 2004-10-29 Verfahren zur reduzierung von interferenzen in einem elektrochemischen sensor unter verwendung von zwei unterschiedlichen angelegten potentialen
DE602004006148T Active DE602004006148T2 (de) 2003-10-31 2004-10-29 Verfahren zur reduzierung des effekts eines direkten interferenzstroms in einem elektrochemischen teststreifen

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE602004004929T Active DE602004004929T2 (de) 2003-10-31 2004-10-29 Elektrochemischer teststreifen zur verringerung des effekts eines direkten interferenzstroms
DE602004025960T Active DE602004025960D1 (de) 2003-10-31 2004-10-29 Messgerät zur verwendung in einem verfahren zur reduzierung von interferenzen in einem elektrochemischen sensor unter verwendung von zwei unterschiedlichen angelegten potentialen
DE602004021835T Active DE602004021835D1 (de) 2003-10-31 2004-10-29 Verfahren zur reduzierung von interferenzen in einem elektrochemischen sensor unter verwendung von zwei unterschiedlichen angelegten potentialen

Country Status (16)

Country Link
US (7) US20050139469A1 (de)
EP (6) EP1678493A1 (de)
JP (6) JP2007514931A (de)
KR (5) KR101179998B1 (de)
AT (4) ATE354796T1 (de)
AU (6) AU2004288014A1 (de)
CA (6) CA2543802A1 (de)
DE (4) DE602004004929T2 (de)
DK (3) DK1685393T3 (de)
ES (4) ES2285536T3 (de)
HK (4) HK1091896A1 (de)
IL (6) IL175323A0 (de)
PL (3) PL1678489T3 (de)
PT (2) PT1678489E (de)
SG (2) SG131941A1 (de)
WO (6) WO2005045415A1 (de)

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