ATE416668T1 - Verfahren und vorrichtung zur nicht-invasiven beobachtung von blutbestandteilen - Google Patents

Verfahren und vorrichtung zur nicht-invasiven beobachtung von blutbestandteilen

Info

Publication number
ATE416668T1
ATE416668T1 AT99906774T AT99906774T ATE416668T1 AT E416668 T1 ATE416668 T1 AT E416668T1 AT 99906774 T AT99906774 T AT 99906774T AT 99906774 T AT99906774 T AT 99906774T AT E416668 T1 ATE416668 T1 AT E416668T1
Authority
AT
Austria
Prior art keywords
light
hematocrit
determined
wavelength
bilirubin
Prior art date
Application number
AT99906774T
Other languages
English (en)
Inventor
Robert Steuer
David Miller
Original Assignee
Hema Metrics 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
Application filed by Hema Metrics Inc filed Critical Hema Metrics Inc
Application granted granted Critical
Publication of ATE416668T1 publication Critical patent/ATE416668T1/de

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
    • A61B5/14532—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
    • A61B5/6801—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
    • A61B5/14535—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 haematocrit
    • 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
    • A61B5/14551—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 for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • 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
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • 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
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips
AT99906774T 1998-02-05 1999-02-05 Verfahren und vorrichtung zur nicht-invasiven beobachtung von blutbestandteilen ATE416668T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7378498P 1998-02-05 1998-02-05

Publications (1)

Publication Number Publication Date
ATE416668T1 true ATE416668T1 (de) 2008-12-15

Family

ID=22115781

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99906774T ATE416668T1 (de) 1998-02-05 1999-02-05 Verfahren und vorrichtung zur nicht-invasiven beobachtung von blutbestandteilen

Country Status (9)

Country Link
US (3) US6181958B1 (de)
EP (1) EP1052930B1 (de)
JP (1) JP2002501803A (de)
KR (1) KR100472736B1 (de)
AT (1) ATE416668T1 (de)
AU (1) AU2660699A (de)
CA (1) CA2319480C (de)
DE (1) DE69940053D1 (de)
WO (1) WO1999039631A1 (de)

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