CA2019571A1 - Methode et appareil pour l'analyse des gaz - Google Patents

Methode et appareil pour l'analyse des gaz

Info

Publication number
CA2019571A1
CA2019571A1 CA2019571A CA2019571A CA2019571A1 CA 2019571 A1 CA2019571 A1 CA 2019571A1 CA 2019571 A CA2019571 A CA 2019571A CA 2019571 A CA2019571 A CA 2019571A CA 2019571 A1 CA2019571 A1 CA 2019571A1
Authority
CA
Canada
Prior art keywords
gas
space
concentration
analyzer
analyzed
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.)
Granted
Application number
CA2019571A
Other languages
English (en)
Other versions
CA2019571C (fr
Inventor
Elieser Zwi Rosenfeld
Lewis Coleman
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.)
Oridion Medical 1987 Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2019571A1 publication Critical patent/CA2019571A1/fr
Application granted granted Critical
Publication of CA2019571C publication Critical patent/CA2019571C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/128—Alternating sample and standard or reference part in one path

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA 2019571 1989-06-25 1990-06-21 Methode et appareil pour l'analyse des gaz Expired - Fee Related CA2019571C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL90744 1989-06-25
IL9074489A IL90744A (en) 1989-06-25 1989-06-25 Method and apparatus for gas analysis

Publications (2)

Publication Number Publication Date
CA2019571A1 true CA2019571A1 (fr) 1990-12-25
CA2019571C CA2019571C (fr) 1997-09-09

Family

ID=11060089

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2019571 Expired - Fee Related CA2019571C (fr) 1989-06-25 1990-06-21 Methode et appareil pour l'analyse des gaz

Country Status (5)

Country Link
US (1) US5063275A (fr)
EP (1) EP0405841A3 (fr)
JP (1) JPH03115955A (fr)
CA (1) CA2019571C (fr)
IL (1) IL90744A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9416711D0 (en) * 1994-08-18 1994-10-12 Msa Britain Ltd Infra-red gas detector
US5495875A (en) * 1994-12-01 1996-03-05 Scott Specialty Gases, Inc. System for continuous blending of a liquid into a gas
FI107194B (fi) * 1996-03-14 2001-06-15 Instrumentarium Oy Kaasuseosten analysointi infrapunamenetelmällä
FI101749B (fi) * 1996-12-30 1998-08-14 Instrumentarium Oy Kaasukomponentin pitoisuuden tarkka mittaaminen kaasuseoksessa, jossa muut komponentit vaikuttavat pitoisuusmääritykseen
US5962335A (en) * 1997-01-03 1999-10-05 Oridion Medical Ltd. Breath test for detection of drug metabolism
US6067989A (en) * 1997-02-26 2000-05-30 Oridion Medical, Ltd. Breath test for the diagnosis of Helicobacter pylori infection in the gastrointestinal tract
US6186958B1 (en) 1997-02-26 2001-02-13 Oridion Medical Breath test analyzer
USRE38728E1 (en) * 1997-09-11 2005-04-19 Oridion Medical, LTD Breath test analyzer
AU9182698A (en) * 1997-09-11 1999-03-29 Oridion Medical Ltd. Breath test analyser
DE19749891B4 (de) * 1997-11-12 2004-08-26 Jürgen Dittrich Verfahren zur Messung der Konzentration eines Gases in einem Gasgemisch, insbesondere in Luft, und Vorrichtung zur Durchführung des Verfahrens
DE19753672A1 (de) * 1997-12-03 1999-06-10 Siemens Ag Gasanalysator
US6534769B1 (en) 1999-12-31 2003-03-18 Ge Medical Systems Information Technologies, Inc. Low cost main stream gas analyzer system
DE10047728B4 (de) * 2000-09-27 2005-12-08 Dräger Medical AG & Co. KGaA Infrarotoptischer Gasanalysator
US6741887B1 (en) 2000-12-01 2004-05-25 Ge Medical Systems Information Technologies, Inc. Apparatus and method for presenting periodic data
DE10062126A1 (de) * 2000-12-13 2002-06-20 Inficon Gmbh Verfahren zur Feststellung eines Gases mit Hilfe eines Infrarot-Gasanlaysators sowie für die Durchführung dieser Verfahren geigneter Gasanalysator
DE60209784T2 (de) * 2001-12-06 2006-11-30 Cardinal Health 303, Inc., San Diego Infusionsvorrichtung mit co2 überwachung
EP1573450A4 (fr) * 2002-05-13 2008-03-26 Scott Lab Inc Systeme et methode de detection transparente precoce, d'avertissement et d'intervention au cours d'une procedure medicale
CN1877304B (zh) * 2005-06-10 2010-04-28 深圳迈瑞生物医疗电子股份有限公司 单种麻醉气体类型编码识别的方法和装置
US20100255598A1 (en) 2007-02-22 2010-10-07 Melker Richard J Medication Adherence Monitoring System
JP2010145320A (ja) * 2008-12-22 2010-07-01 General Packer Co Ltd ガス測定装置
US20140179809A1 (en) * 2012-12-12 2014-06-26 Avisa Pharma Inc. Determination Of Location Of Bacterial Load In The Lungs
JP6253282B2 (ja) * 2013-07-08 2017-12-27 理研計器株式会社 Ｃｆ４ガス濃度測定方法およびｃｆ４ガス濃度測定装置
FR3077640B1 (fr) * 2018-02-05 2023-06-30 Elichens Procede d'analyse d'un gaz par une double illumination

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442589C3 (de) * 1974-09-05 1979-09-06 Draegerwerk Ag, 2400 Luebeck Anordnung zur Messung des CO2 - Gehalts in Atemgasen
SU541113A1 (ru) * 1975-03-31 1976-12-30 Способ проверки оптическогоабсорционного газаанализатора
DE2520197C2 (de) * 1975-05-06 1983-11-17 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Driftkompensierung eines Gasanalysators
US4290296A (en) * 1979-11-16 1981-09-22 Leco Corporation Method and apparatus for gas dosing for linearization
US4346296A (en) * 1980-08-15 1982-08-24 Andros Analyzers Incorporated Non-dispersive infrared gas analyzer
US4355234A (en) * 1980-09-19 1982-10-19 Mine Safety Appliances Company Stable infrared analyzer
US4648396A (en) * 1985-05-03 1987-03-10 Brigham And Women's Hospital Respiration detector
IL77494A (en) * 1986-01-01 1989-12-15 Irad Technologies Ltd Gas analyzer
US4780613A (en) * 1986-09-22 1988-10-25 Spectral Sciences, Inc. Infrared species specific emission source

Also Published As

Publication number Publication date
JPH03115955A (ja) 1991-05-16
IL90744A0 (en) 1990-01-18
IL90744A (en) 1992-07-15
US5063275A (en) 1991-11-05
EP0405841A3 (en) 1991-11-06
EP0405841A2 (fr) 1991-01-02
CA2019571C (fr) 1997-09-09

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