CH626171A5 - Device for calibrating a photometric measuring device - Google Patents

Device for calibrating a photometric measuring device Download PDF

Info

Publication number
CH626171A5
CH626171A5 CH1247277A CH1247277A CH626171A5 CH 626171 A5 CH626171 A5 CH 626171A5 CH 1247277 A CH1247277 A CH 1247277A CH 1247277 A CH1247277 A CH 1247277A CH 626171 A5 CH626171 A5 CH 626171A5
Authority
CH
Switzerland
Prior art keywords
light
catheter
light guide
optical
scattering particles
Prior art date
Application number
CH1247277A
Other languages
German (de)
English (en)
Inventor
Robert F Shaw
John M Sperinde
Original Assignee
Oximetrix
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 Oximetrix filed Critical Oximetrix
Publication of CH626171A5 publication Critical patent/CH626171A5/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
    • A61B5/1495—Calibrating or testing of in-vivo probes
    • 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
    • A61B5/1459—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 invasive, e.g. introduced into the body by a catheter
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4785—Standardising light scatter apparatus; Standards therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
    • A61B2560/0228—Operational features of calibration, e.g. protocols for calibrating sensors using calibration standards
    • A61B2560/0233—Optical standards

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CH1247277A 1976-10-18 1977-10-12 Device for calibrating a photometric measuring device CH626171A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73328076A 1976-10-18 1976-10-18

Publications (1)

Publication Number Publication Date
CH626171A5 true CH626171A5 (en) 1981-10-30

Family

ID=24946953

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1247277A CH626171A5 (en) 1976-10-18 1977-10-12 Device for calibrating a photometric measuring device

Country Status (7)

Country Link
JP (1) JPS5350878A (fr)
CA (1) CA1094341A (fr)
CH (1) CH626171A5 (fr)
DE (1) DE2741914C3 (fr)
FR (1) FR2368032A1 (fr)
GB (1) GB1595207A (fr)
NL (1) NL7709499A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526458A1 (de) * 1985-07-24 1987-01-29 Grundig Emv Einrichtung zur optischen truebungsmessung von gasen
US4650327A (en) * 1985-10-28 1987-03-17 Oximetrix, Inc. Optical catheter calibrating assembly
DE3736027A1 (de) * 1987-10-24 1989-05-03 Gerhard Dipl Phys Artmann Verfahren zur ermittlung der zu einem bestimmten zeitpunkt vorliegenden form von zellen und einrichtung zur durchfuehrung des verfahrens
DE3903031A1 (de) * 1989-02-02 1990-08-16 Berthold Koch Referenzgefaess zum beurteilen der truebung von fluessigkeiten
US6662033B2 (en) 1994-04-01 2003-12-09 Nellcor Incorporated Pulse oximeter and sensor optimized for low saturation
US5421329A (en) 1994-04-01 1995-06-06 Nellcor, Inc. Pulse oximeter sensor optimized for low saturation
EP1207780B1 (fr) * 1999-08-31 2006-10-25 NIR Diagnostics Inc. Dispositif de verification de haute precision d'un analyseur spectral
DE102012104721B4 (de) * 2012-05-31 2021-06-10 Endress+Hauser Conducta Gmbh+Co. Kg Festkörper, Trübungssensor und Verfahren zum Justieren, Kalibrieren oder zur Funktionsprüfung eines Trübungssensors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029682A (en) * 1959-07-17 1962-04-17 Research Corp Apparatus for determining percentage oxygen-saturation of blood
US3296922A (en) * 1963-04-22 1967-01-10 American Optical Corp Apparatus for determining oxygen saturation of blood
US3706499A (en) * 1970-03-02 1972-12-19 Becton Dickinson Co Blood test system
GB1325039A (en) * 1970-10-07 1973-08-01 Shaw R F Oximeter and method for in vivo determination of oxygen saturatiion in blood
US3947122A (en) * 1974-12-16 1976-03-30 American Optical Corporation Cuvette and stirrer for oximeter

Also Published As

Publication number Publication date
JPS5350878A (en) 1978-05-09
JPS6120806B2 (fr) 1986-05-23
NL7709499A (nl) 1978-04-20
CA1094341A (fr) 1981-01-27
GB1595207A (en) 1981-08-12
DE2741914C3 (de) 1982-11-11
FR2368032B1 (fr) 1982-01-22
DE2741914A1 (de) 1978-04-20
DE2741914B2 (de) 1981-06-04
FR2368032A1 (fr) 1978-05-12

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Legal Events

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PL Patent ceased