DE69104068D1 - Verfahren und vorrichtung zur messung eines blutparameters. - Google Patents

Verfahren und vorrichtung zur messung eines blutparameters.

Info

Publication number
DE69104068D1
DE69104068D1 DE69104068T DE69104068T DE69104068D1 DE 69104068 D1 DE69104068 D1 DE 69104068D1 DE 69104068 T DE69104068 T DE 69104068T DE 69104068 T DE69104068 T DE 69104068T DE 69104068 D1 DE69104068 D1 DE 69104068D1
Authority
DE
Germany
Prior art keywords
measuring
blood parameter
blood
parameter
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.)
Expired - Lifetime
Application number
DE69104068T
Other languages
English (en)
Other versions
DE69104068T2 (de
Inventor
Stan Heinemann
Paul Mullin
Susan Cavanaugh
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.)
Terumo Cardiovascular Systems Corp
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69104068D1 publication Critical patent/DE69104068D1/de
Publication of DE69104068T2 publication Critical patent/DE69104068T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B5/14535—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
    • A61B5/14557—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 specially adapted to extracorporeal circuits
    • 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
    • A61B5/1495—Calibrating or testing of in-vivo probes
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N21/3151—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using two sources of radiation of different wavelengths
DE69104068T 1991-02-07 1991-12-27 Verfahren und vorrichtung zur messung eines blutparameters. Expired - Lifetime DE69104068T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/652,121 US5291884A (en) 1991-02-07 1991-02-07 Apparatus for measuring a blood parameter
PCT/US1991/009790 WO1992013482A1 (en) 1991-02-07 1991-12-27 Apparatus and method for measuring a blood parameter

Publications (2)

Publication Number Publication Date
DE69104068D1 true DE69104068D1 (de) 1994-10-20
DE69104068T2 DE69104068T2 (de) 1995-05-11

Family

ID=24615592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104068T Expired - Lifetime DE69104068T2 (de) 1991-02-07 1991-12-27 Verfahren und vorrichtung zur messung eines blutparameters.

Country Status (6)

Country Link
US (1) US5291884A (de)
EP (1) EP0570451B1 (de)
JP (1) JP3270468B2 (de)
CA (1) CA2100063C (de)
DE (1) DE69104068T2 (de)
WO (1) WO1992013482A1 (de)

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US5507289A (en) * 1993-09-16 1996-04-16 Synectics Medical, Inc. System and method to diagnose bacterial growth
US5477854A (en) * 1993-09-16 1995-12-26 Synectics Medical, Inc. System and method to monitor gastrointestinal Helicobacter pylori infection
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Also Published As

Publication number Publication date
WO1992013482A1 (en) 1992-08-20
DE69104068T2 (de) 1995-05-11
US5291884A (en) 1994-03-08
EP0570451B1 (de) 1994-09-14
JP3270468B2 (ja) 2002-04-02
JPH06505170A (ja) 1994-06-16
CA2100063C (en) 2002-08-27
EP0570451A1 (de) 1993-11-24
CA2100063A1 (en) 1992-08-08

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Owner name: TERUMO CARDIOVASCULAR SYSTEMS CORP., SOMERSET, N.J