CA2332112A1 - Monitoring of physiological analytes - Google Patents

Monitoring of physiological analytes Download PDF

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Publication number
CA2332112A1
CA2332112A1 CA002332112A CA2332112A CA2332112A1 CA 2332112 A1 CA2332112 A1 CA 2332112A1 CA 002332112 A CA002332112 A CA 002332112A CA 2332112 A CA2332112 A CA 2332112A CA 2332112 A1 CA2332112 A1 CA 2332112A1
Authority
CA
Canada
Prior art keywords
monitoring
physiological analytes
employed
concentration
measuring
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
CA002332112A
Other languages
French (fr)
Other versions
CA2332112C (en
Inventor
Bret Berner
Chia-Ming Chiang
Michael D. Garrison
Janan Jona
Russell O. Potts
Janet Tamada
Michael J. Tierney
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.)
Animas Technologies LLC
Original Assignee
Cygnus, Inc.
Bret Berner
Chia-Ming Chiang
Michael D. Garrison
Janan Jona
Russell O. Potts
Janet Tamada
Michael J. Tierney
Animas Technologies Llc
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 Cygnus, Inc., Bret Berner, Chia-Ming Chiang, Michael D. Garrison, Janan Jona, Russell O. Potts, Janet Tamada, Michael J. Tierney, Animas Technologies Llc filed Critical Cygnus, Inc.
Publication of CA2332112A1 publication Critical patent/CA2332112A1/en
Application granted granted Critical
Publication of CA2332112C publication Critical patent/CA2332112C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61B5/145—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
    • 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
    • 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
    • A61B5/150053—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
    • A61B5/150091—Means for enhancing collection by electricity
    • 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
    • A61B5/157—Devices characterised by integrated means for measuring characteristics of blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/20—Applying electric currents by contact electrodes continuous direct currents
    • A61N1/30—Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis

Abstract

Methods and devices are provided for measuring the concentration of target chemical analytes present in a biological system. Device configuration and/or measurement techniques are employed in order to reduce the effect of interfering species on sensor sensitivity. One important application of the invention involves a method and device for monitoring blood glucose values.
CA002332112A 1998-05-13 1999-05-11 Monitoring of physiological analytes Expired - Lifetime CA2332112C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8537398P 1998-05-13 1998-05-13
US60/085,373 1998-05-13
PCT/US1999/010380 WO1999058051A1 (en) 1998-05-13 1999-05-11 Monitoring of physiological analytes

Publications (2)

Publication Number Publication Date
CA2332112A1 true CA2332112A1 (en) 1999-11-18
CA2332112C CA2332112C (en) 2004-02-10

Family

ID=22191199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002332112A Expired - Lifetime CA2332112C (en) 1998-05-13 1999-05-11 Monitoring of physiological analytes

Country Status (10)

Country Link
US (6) US6144869A (en)
EP (1) EP1077634B1 (en)
JP (1) JP3600158B2 (en)
AT (1) ATE245937T1 (en)
CA (1) CA2332112C (en)
DE (1) DE69910003T2 (en)
DK (1) DK1077634T3 (en)
ES (1) ES2205818T3 (en)
PT (1) PT1077634E (en)
WO (1) WO1999058051A1 (en)

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JP3600158B2 (en) 2004-12-08
DE69910003D1 (en) 2003-09-04
EP1077634A1 (en) 2001-02-28
ES2205818T3 (en) 2004-05-01
EP1077634B1 (en) 2003-07-30
US20030195403A1 (en) 2003-10-16
DK1077634T3 (en) 2003-11-24
US6356776B1 (en) 2002-03-12
US7174199B2 (en) 2007-02-06
DE69910003T2 (en) 2004-04-22
US7873399B2 (en) 2011-01-18
WO1999058051A1 (en) 1999-11-18
ATE245937T1 (en) 2003-08-15
CA2332112C (en) 2004-02-10
JP2002514453A (en) 2002-05-21
US20020091312A1 (en) 2002-07-11
US20070142721A1 (en) 2007-06-21
US20050215872A1 (en) 2005-09-29
US6850790B2 (en) 2005-02-01
US6144869A (en) 2000-11-07
US6594514B2 (en) 2003-07-15
PT1077634E (en) 2003-12-31

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