CA2458195A1 - Method and apparatus for calibrating electrochemical sensors - Google Patents

Method and apparatus for calibrating electrochemical sensors Download PDF

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Publication number
CA2458195A1
CA2458195A1 CA002458195A CA2458195A CA2458195A1 CA 2458195 A1 CA2458195 A1 CA 2458195A1 CA 002458195 A CA002458195 A CA 002458195A CA 2458195 A CA2458195 A CA 2458195A CA 2458195 A1 CA2458195 A1 CA 2458195A1
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CA
Canada
Prior art keywords
electrochemical sensors
calibrating
calibrating electrochemical
electrochemical sensor
sensor system
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
CA002458195A
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French (fr)
Other versions
CA2458195C (en
Inventor
Sohrab Mansouri
Kevin D. Fallon
Pattie Eames
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Instrumentation Laboratory Co
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Individual
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Filing date
Publication date
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Priority to CA 2623782 priority Critical patent/CA2623782C/en
Publication of CA2458195A1 publication Critical patent/CA2458195A1/en
Application granted granted Critical
Publication of CA2458195C publication Critical patent/CA2458195C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G01N33/49—Blood
    • G01N33/492—Determining multiple analytes
    • 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
    • A61B5/1468—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 chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1477—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 chemical or electrochemical methods, e.g. by polarographic means non-invasive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
    • 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
    • A61B5/14535—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 haematocrit
    • 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
    • A61B5/14539—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 pH
    • 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
    • A61B5/14542—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 blood gases
    • 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
    • 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
    • G01N27/38—Cleaning of electrodes
    • 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

Abstract

An electrochemical sensor system that continuously monitors and calibrates the sensors included in the system. The invention also includes a method for determining failure patterns of a sensor and incorporating into an electrochemical sensor system the ability to recognize the failure pattern and initiate remedial action.
CA002458195A 2001-08-22 2002-08-22 Method and apparatus for calibrating electrochemical sensors Expired - Lifetime CA2458195C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2623782 CA2623782C (en) 2001-08-22 2002-08-22 An automated system for continuously and automatically calibrating electrochemical sensors

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31426701P 2001-08-22 2001-08-22
US60/314,267 2001-08-22
PCT/US2002/026851 WO2003019165A2 (en) 2001-08-22 2002-08-22 Method and apparatus for calibrating electrochemical sensors

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA 2623782 Division CA2623782C (en) 2001-08-22 2002-08-22 An automated system for continuously and automatically calibrating electrochemical sensors

Publications (2)

Publication Number Publication Date
CA2458195A1 true CA2458195A1 (en) 2003-03-06
CA2458195C CA2458195C (en) 2009-11-03

Family

ID=23219267

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002458195A Expired - Lifetime CA2458195C (en) 2001-08-22 2002-08-22 Method and apparatus for calibrating electrochemical sensors
CA 2623782 Expired - Lifetime CA2623782C (en) 2001-08-22 2002-08-22 An automated system for continuously and automatically calibrating electrochemical sensors

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA 2623782 Expired - Lifetime CA2623782C (en) 2001-08-22 2002-08-22 An automated system for continuously and automatically calibrating electrochemical sensors

Country Status (9)

Country Link
US (3) US7022219B2 (en)
EP (2) EP1421372B1 (en)
JP (4) JP4512363B2 (en)
AT (1) ATE487130T1 (en)
AU (3) AU2002327513B2 (en)
CA (2) CA2458195C (en)
DE (1) DE60238202D1 (en)
ES (2) ES2355333T3 (en)
WO (1) WO2003019165A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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