CA2881391C - Zwitterion surface modifications for continuous sensors - Google Patents

Zwitterion surface modifications for continuous sensors Download PDF

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Publication number
CA2881391C
CA2881391C CA2881391A CA2881391A CA2881391C CA 2881391 C CA2881391 C CA 2881391C CA 2881391 A CA2881391 A CA 2881391A CA 2881391 A CA2881391 A CA 2881391A CA 2881391 C CA2881391 C CA 2881391C
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patent publication
sensor
domain
pat
analyte
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English (en)
French (fr)
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CA2881391A1 (en
Inventor
Robert J. Boock
Chris W. Dring
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Dexcom Inc
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Dexcom Inc
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    • 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means using enzyme electrodes, e.g. with immobilised oxidase
    • A61B5/14865—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means using enzyme electrodes, e.g. with immobilised oxidase invasive, e.g. introduced into the body by a catheter or needle or using implanted 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14546—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring analytes not otherwise provided for, e.g. ions, cytochromes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
CA2881391A 2012-09-28 2013-09-16 Zwitterion surface modifications for continuous sensors Active CA2881391C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261707652P 2012-09-28 2012-09-28
US61/707,652 2012-09-28
US13/779,607 2013-02-27
US13/779,607 US9788765B2 (en) 2012-09-28 2013-02-27 Zwitterion surface modifications for continuous sensors
PCT/US2013/059981 WO2014052080A1 (en) 2012-09-28 2013-09-16 Zwitterion surface modifications for continuous sensors

Publications (2)

Publication Number Publication Date
CA2881391A1 CA2881391A1 (en) 2014-04-03
CA2881391C true CA2881391C (en) 2021-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2881391A Active CA2881391C (en) 2012-09-28 2013-09-16 Zwitterion surface modifications for continuous sensors

Country Status (7)

Country Link
US (9) US9788765B2 (cg-RX-API-DMAC7.html)
EP (4) EP3782550B1 (cg-RX-API-DMAC7.html)
JP (4) JP2015534483A (cg-RX-API-DMAC7.html)
CN (1) CN104684477A (cg-RX-API-DMAC7.html)
AU (5) AU2013323970B2 (cg-RX-API-DMAC7.html)
CA (1) CA2881391C (cg-RX-API-DMAC7.html)
WO (1) WO2014052080A1 (cg-RX-API-DMAC7.html)

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