GB1370548A - Optical method and apparatus for determinations relating to the concentration of one or two components - Google Patents

Optical method and apparatus for determinations relating to the concentration of one or two components

Info

Publication number
GB1370548A
GB1370548A GB3233872A GB3233872A GB1370548A GB 1370548 A GB1370548 A GB 1370548A GB 3233872 A GB3233872 A GB 3233872A GB 3233872 A GB3233872 A GB 3233872A GB 1370548 A GB1370548 A GB 1370548A
Authority
GB
United Kingdom
Prior art keywords
concentration
signals
haemoglobin
concentrations
produce
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
Application number
GB3233872A
Other languages
English (en)
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.)
Medicor Muvek
Original Assignee
Medicor Muvek
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
Priority claimed from HUME001459 external-priority patent/HU166270B/hu
Application filed by Medicor Muvek filed Critical Medicor Muvek
Publication of GB1370548A publication Critical patent/GB1370548A/en
Expired 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
GB3233872A 1972-01-13 1972-07-11 Optical method and apparatus for determinations relating to the concentration of one or two components Expired GB1370548A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HUME001459 HU166270B (cg-RX-API-DMAC7.html) 1972-01-13 1972-01-13
FR7414568A FR2269072B1 (cg-RX-API-DMAC7.html) 1972-01-13 1974-04-26

Publications (1)

Publication Number Publication Date
GB1370548A true GB1370548A (en) 1974-10-16

Family

ID=26218303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3233872A Expired GB1370548A (en) 1972-01-13 1972-07-11 Optical method and apparatus for determinations relating to the concentration of one or two components

Country Status (2)

Country Link
FR (1) FR2269072B1 (cg-RX-API-DMAC7.html)
GB (1) GB1370548A (cg-RX-API-DMAC7.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316664A1 (fr) * 1975-06-30 1977-01-28 Medicor Muevek Montage pour determiner des courbes de dilution de colorant en vue de calculer le debit cardiaque
FR2368038A1 (fr) * 1976-10-18 1978-05-12 Oximetrix Perfectionnements aux appareils et procedes d'oxymetrie utilisant un cathener
GB2136118A (en) * 1983-03-03 1984-09-12 Inst Francais Du Petrole A process and device for determining the composition of an alcohol-petrol mixture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037103A (en) * 1975-08-07 1977-07-19 Exxon Research And Engineering Company Diameter measuring system for cylindrical objects

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316664A1 (fr) * 1975-06-30 1977-01-28 Medicor Muevek Montage pour determiner des courbes de dilution de colorant en vue de calculer le debit cardiaque
FR2368038A1 (fr) * 1976-10-18 1978-05-12 Oximetrix Perfectionnements aux appareils et procedes d'oxymetrie utilisant un cathener
GB2136118A (en) * 1983-03-03 1984-09-12 Inst Francais Du Petrole A process and device for determining the composition of an alcohol-petrol mixture

Also Published As

Publication number Publication date
FR2269072B1 (cg-RX-API-DMAC7.html) 1977-10-14
FR2269072A1 (cg-RX-API-DMAC7.html) 1975-11-21

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee