AU2001236848A1 - Improved analyte sensor and method of making the same - Google Patents

Improved analyte sensor and method of making the same

Info

Publication number
AU2001236848A1
AU2001236848A1 AU2001236848A AU3684801A AU2001236848A1 AU 2001236848 A1 AU2001236848 A1 AU 2001236848A1 AU 2001236848 A AU2001236848 A AU 2001236848A AU 3684801 A AU3684801 A AU 3684801A AU 2001236848 A1 AU2001236848 A1 AU 2001236848A1
Authority
AU
Australia
Prior art keywords
substrate
slot
down region
necked down
making
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.)
Abandoned
Application number
AU2001236848A
Inventor
Kevin D. Branch
Guillermo A. Calle
James D. Holker
John J. Mastrotoraro
Nannette Van Antwerp
William P. Van Antwerp
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.)
Medtronic Minimed Inc
Original Assignee
Minimed Inc
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
Priority claimed from US09/502,204 external-priority patent/US6484045B1/en
Priority claimed from US09/779,282 external-priority patent/US7003336B2/en
Application filed by Minimed Inc filed Critical Minimed Inc
Publication of AU2001236848A1 publication Critical patent/AU2001236848A1/en
Abandoned 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
    • 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
    • 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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6848—Needles
    • A61B5/6849—Needles in combination with a needle set

Abstract

A sensor (400) and method of making the same for implantation in a body that includes a substrate (402) with notches (406) cut in the substrate to form a necked down region (412) in the substrate; and at least one sensor electrode (404) formed from one or more conductive layers. Preferably, the thickness of the substrate (402) ranges from approximately 25 mu to 350 mu , but the thickness of the substrate can range from 5 mu to 750 mu . The sensor may be incorporated into a sensor assembly including a slotted needle (408) having a slot (410). The notches (406) creating the necked down region (412) allow the substrate (402) to slide into the slotted needle, which has the slot narrow enough to permit passage of the necked down region. However, a non-necked down region (414) of the substrate is prevented from pulling out of the slotted needle (408) through the slot (410). The slot (410) of the slotted needle (408) may also permit the necked down region (412) of the substrate (402) to slide down the slot.
AU2001236848A 2000-02-10 2001-02-09 Improved analyte sensor and method of making the same Abandoned AU2001236848A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US09/502,204 US6484045B1 (en) 2000-02-10 2000-02-10 Analyte sensor and method of making the same
US09/502,204 2000-02-10
US50244400A 2000-02-11 2000-02-11
US09/502,444 2000-02-11
US09/779,282 2001-02-08
US09/779,282 US7003336B2 (en) 2000-02-10 2001-02-08 Analyte sensor method of making the same
PCT/US2001/004270 WO2001058348A2 (en) 2000-02-10 2001-02-09 Improved analyte sensor and method of making the same

Publications (1)

Publication Number Publication Date
AU2001236848A1 true AU2001236848A1 (en) 2001-08-20

Family

ID=27414197

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001236848A Abandoned AU2001236848A1 (en) 2000-02-10 2001-02-09 Improved analyte sensor and method of making the same

Country Status (7)

Country Link
EP (1) EP1253852B1 (en)
JP (2) JP2004500196A (en)
AT (1) ATE373443T1 (en)
AU (1) AU2001236848A1 (en)
CA (1) CA2395868C (en)
DE (1) DE60130536T2 (en)
WO (1) WO2001058348A2 (en)

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Also Published As

Publication number Publication date
JP2004500196A (en) 2004-01-08
EP1253852A2 (en) 2002-11-06
WO2001058348A2 (en) 2001-08-16
EP1253852B1 (en) 2007-09-19
DE60130536D1 (en) 2007-10-31
JP2005279285A (en) 2005-10-13
CA2395868A1 (en) 2001-08-16
WO2001058348A3 (en) 2002-02-14
DE60130536T2 (en) 2008-06-26
ATE373443T1 (en) 2007-10-15
CA2395868C (en) 2009-07-14
JP3706387B1 (en) 2005-10-12
WO2001058348A9 (en) 2002-10-17

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