CA2311487A1 - Signal processing for measurement of physiological analytes - Google Patents

Signal processing for measurement of physiological analytes Download PDF

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Publication number
CA2311487A1
CA2311487A1 CA002311487A CA2311487A CA2311487A1 CA 2311487 A1 CA2311487 A1 CA 2311487A1 CA 002311487 A CA002311487 A CA 002311487A CA 2311487 A CA2311487 A CA 2311487A CA 2311487 A1 CA2311487 A1 CA 2311487A1
Authority
CA
Canada
Prior art keywords
signal processing
measurement
concentration
physiological analytes
target chemical
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
CA002311487A
Other languages
French (fr)
Other versions
CA2311487C (en
Inventor
Bret Berner
Timothy C. Dunn
Kathleen Cl Farinas
Michael D. Garrison
Ronald T. Kurnik
Matthew J. Lesho
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
Timothy C. Dunn
Kathleen Cl Farinas
Michael D. Garrison
Ronald T. Kurnik
Matthew J. Lesho
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, Timothy C. Dunn, Kathleen Cl Farinas, Michael D. Garrison, Ronald T. Kurnik, Matthew J. Lesho, Russell O. Potts, Janet Tamada, Michael J. Tierney, Animas Technologies Llc filed Critical Cygnus, Inc.
Publication of CA2311487A1 publication Critical patent/CA2311487A1/en
Application granted granted Critical
Publication of CA2311487C publication Critical patent/CA2311487C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61B5/1468—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
    • 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
    • A61B5/14542—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

Abstract

A method is provided for continually or continuously measuring the concentration of target chemical analytes present in a biological system, and processing analyte-specific signals to obtain a measurement value that is closely correlated with the concentration of the target chemical analyte in the biological system. One important application of the invention involves a method for signal processing in a system for monitoring blood glucose values.
CA002311487A 1998-05-13 1999-05-11 Signal processing for measurement of physiological analytes Expired - Lifetime CA2311487C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8534498P 1998-05-13 1998-05-13
US60/085,344 1998-05-13
PCT/US1999/010379 WO1999058050A1 (en) 1998-05-13 1999-05-11 Signal processing for measurement of physiological analytes

Publications (2)

Publication Number Publication Date
CA2311487A1 true CA2311487A1 (en) 1999-11-18
CA2311487C CA2311487C (en) 2004-02-10

Family

ID=22190986

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002311487A Expired - Lifetime CA2311487C (en) 1998-05-13 1999-05-11 Signal processing for measurement of physiological analytes

Country Status (10)

Country Link
US (5) US6233471B1 (en)
EP (1) EP1077636B1 (en)
JP (2) JP2002514452A (en)
AT (1) ATE258028T1 (en)
CA (1) CA2311487C (en)
DE (1) DE69914319T2 (en)
DK (1) DK1077636T3 (en)
ES (1) ES2213369T3 (en)
PT (1) PT1077636E (en)
WO (1) WO1999058050A1 (en)

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