WO2001079818A3 - Infrared atr glucose measurement system - Google Patents

Infrared atr glucose measurement system Download PDF

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Publication number
WO2001079818A3
WO2001079818A3 PCT/US2001/011860 US0111860W WO0179818A3 WO 2001079818 A3 WO2001079818 A3 WO 2001079818A3 US 0111860 W US0111860 W US 0111860W WO 0179818 A3 WO0179818 A3 WO 0179818A3
Authority
WO
WIPO (PCT)
Prior art keywords
glucose measurement
human body
measurement system
blood glucose
glucose level
Prior art date
Application number
PCT/US2001/011860
Other languages
French (fr)
Other versions
WO2001079818A2 (en
Inventor
Herbert L Berman
Jeffrey N Roe
Original Assignee
Medoptix Inc
Herbert L Berman
Jeffrey N Roe
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 Medoptix Inc, Herbert L Berman, Jeffrey N Roe filed Critical Medoptix Inc
Priority to AU2001255319A priority Critical patent/AU2001255319A1/en
Publication of WO2001079818A2 publication Critical patent/WO2001079818A2/en
Publication of WO2001079818A3 publication Critical patent/WO2001079818A3/en

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
    • A61B5/1455—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 optical sensors, e.g. spectral photometrical oximeters
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G01N21/552—Attenuated total reflection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/24—Hygienic packaging for medical sensors; Maintaining apparatus for sensor hygiene
    • A61B2562/245—Means for cleaning the sensor in-situ or during use, e.g. hygienic wipes

Abstract

This involves a non-invasive glucose measurement device and a process for determining blood glucose level in the human body using the device. In typical operation, the glucose measurement device is self-normalizing in that it does not employ an independent reference sample in its operation. The device uses attenuated total reflection (ATR) infrared spectroscopy. Preferably, the device is used on a fingertip and compares two specific regions of a measured infrared spectrum to determine the blood glucose level of the user. Clearly, this device is especially suitable for monitoring glucose levels in the human body, and is especially beneficial to users having diabetes mellitus. The device and procedure may be used for other analyte materials which exhibit unique mid-IR signatures of the type described herein and that are found in appropriate regions of the outer skin.
PCT/US2001/011860 2000-04-12 2001-04-11 Infrared atr glucose measurement system WO2001079818A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001255319A AU2001255319A1 (en) 2000-04-12 2001-04-11 Infrared atr glucose measurement system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/547,433 2000-04-12
US09/547,433 US6424851B1 (en) 1998-10-13 2000-04-12 Infrared ATR glucose measurement system (II)

Publications (2)

Publication Number Publication Date
WO2001079818A2 WO2001079818A2 (en) 2001-10-25
WO2001079818A3 true WO2001079818A3 (en) 2002-07-18

Family

ID=24184624

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/011860 WO2001079818A2 (en) 2000-04-12 2001-04-11 Infrared atr glucose measurement system

Country Status (4)

Country Link
US (8) US6424851B1 (en)
AU (1) AU2001255319A1 (en)
TW (1) TW550380B (en)
WO (1) WO2001079818A2 (en)

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Publication number Publication date
US6424849B1 (en) 2002-07-23
US6362144B1 (en) 2002-03-26
AU2001255319A1 (en) 2001-10-30
US6445938B1 (en) 2002-09-03
US6430424B1 (en) 2002-08-06
US20020151773A1 (en) 2002-10-17
WO2001079818A2 (en) 2001-10-25
US6424848B1 (en) 2002-07-23
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TW550380B (en) 2003-09-01
US6421548B1 (en) 2002-07-16

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