WO2002089666A3 - Implantable analyte sensor - Google Patents

Implantable analyte sensor Download PDF

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Publication number
WO2002089666A3
WO2002089666A3 PCT/US2002/014522 US0214522W WO02089666A3 WO 2002089666 A3 WO2002089666 A3 WO 2002089666A3 US 0214522 W US0214522 W US 0214522W WO 02089666 A3 WO02089666 A3 WO 02089666A3
Authority
WO
WIPO (PCT)
Prior art keywords
analyte sensor
implantable analyte
membrane
wires
fine wires
Prior art date
Application number
PCT/US2002/014522
Other languages
French (fr)
Other versions
WO2002089666A2 (en
Inventor
W Kenneth Ward
Lawrence B Jansen
Ellen M Anderson
Original Assignee
Isense Corp
W Kenneth Ward
Lawrence B Jansen
Ellen M Anderson
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 Isense Corp, W Kenneth Ward, Lawrence B Jansen, Ellen M Anderson filed Critical Isense Corp
Publication of WO2002089666A2 publication Critical patent/WO2002089666A2/en
Publication of WO2002089666A3 publication Critical patent/WO2002089666A3/en

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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
    • A61B5/1486—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
    • A61B5/14865—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 invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors

Abstract

An insertable analyte needle sensor (10), comprising a set of fine wires (12) positioned together and a dielectric material (22) covering a substantial portion of the fine wires but defining an opening (18) filled with at least one partially permeable membrane (36). The wires (12) may be treated with a gas plasma to facilitate membrane adherence. One membrane layer (30) may comprise sulphonated polyethersulphone coated with silane.
PCT/US2002/014522 2001-05-08 2002-05-07 Implantable analyte sensor WO2002089666A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/851,668 2001-05-08
US09/851,668 US6613379B2 (en) 2001-05-08 2001-05-08 Implantable analyte sensor

Publications (2)

Publication Number Publication Date
WO2002089666A2 WO2002089666A2 (en) 2002-11-14
WO2002089666A3 true WO2002089666A3 (en) 2002-12-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/014522 WO2002089666A2 (en) 2001-05-08 2002-05-07 Implantable analyte sensor

Country Status (2)

Country Link
US (1) US6613379B2 (en)
WO (1) WO2002089666A2 (en)

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