WO1998043096A3 - Verfahren und vorrichtung zur nicht-invasiven in-vivo bestimmung von blutinhaltsstoffen - Google Patents

Verfahren und vorrichtung zur nicht-invasiven in-vivo bestimmung von blutinhaltsstoffen Download PDF

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Publication number
WO1998043096A3
WO1998043096A3 PCT/DE1998/000751 DE9800751W WO9843096A3 WO 1998043096 A3 WO1998043096 A3 WO 1998043096A3 DE 9800751 W DE9800751 W DE 9800751W WO 9843096 A3 WO9843096 A3 WO 9843096A3
Authority
WO
WIPO (PCT)
Prior art keywords
invasive
blood constituents
vivo determination
thickness
light
Prior art date
Application number
PCT/DE1998/000751
Other languages
English (en)
French (fr)
Other versions
WO1998043096A2 (de
Inventor
Arnulf Oppelt
Joachim Kestler
Original Assignee
Siemens Ag
Arnulf Oppelt
Joachim Kestler
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 Siemens Ag, Arnulf Oppelt, Joachim Kestler filed Critical Siemens Ag
Priority to DE19880369D priority Critical patent/DE19880369D2/de
Priority to DE19880369A priority patent/DE19880369C1/de
Priority to US09/381,986 priority patent/US6285894B1/en
Publication of WO1998043096A2 publication Critical patent/WO1998043096A2/de
Publication of WO1998043096A3 publication Critical patent/WO1998043096A3/de

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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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • 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
    • A61B5/1455—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

Abstract

Das untersuchte Körperteil wird durch mechanische Einwirkung in seiner Dicke mit mindestens zwei Druckmodulationsfrequenzen (ξ1, ξ2) moduliert. Durch Bestrahlung des Körperteils mit Licht werden mindestens vier Meßsignale gewonnen, die sowohl von der Einwirkung des Lichts als auch von der mechanischen Dickenänderung abhängen.
PCT/DE1998/000751 1997-03-25 1998-03-12 Verfahren und vorrichtung zur nicht-invasiven in-vivo bestimmung von blutinhaltsstoffen WO1998043096A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19880369D DE19880369D2 (de) 1997-03-25 1998-03-12 Verfahren und Vorrichtung zur nicht-invasiven in-vivo Bestimmung von Blutinhaltsstoffen
DE19880369A DE19880369C1 (de) 1997-03-25 1998-03-12 Verfahren und Vorrichtung zur nicht-invasiven in-vivo Bestimmung von Blutinhaltsstoffen
US09/381,986 US6285894B1 (en) 1997-03-25 1998-03-12 Method and device for non-invasive in vivo determination of blood constituents

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19712558 1997-03-25
DE19712558.1 1997-03-25
DE19732412 1997-07-28
DE19732412.6 1997-07-28

Publications (2)

Publication Number Publication Date
WO1998043096A2 WO1998043096A2 (de) 1998-10-01
WO1998043096A3 true WO1998043096A3 (de) 1999-01-14

Family

ID=26035225

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1998/000751 WO1998043096A2 (de) 1997-03-25 1998-03-12 Verfahren und vorrichtung zur nicht-invasiven in-vivo bestimmung von blutinhaltsstoffen

Country Status (3)

Country Link
US (1) US6285894B1 (de)
DE (1) DE19880369C1 (de)
WO (1) WO1998043096A2 (de)

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Also Published As

Publication number Publication date
US6285894B1 (en) 2001-09-04
DE19880369C1 (de) 2002-08-08
WO1998043096A2 (de) 1998-10-01

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