EP1991846A4 - Gas measurement system - Google Patents

Gas measurement system

Info

Publication number
EP1991846A4
EP1991846A4 EP07757886A EP07757886A EP1991846A4 EP 1991846 A4 EP1991846 A4 EP 1991846A4 EP 07757886 A EP07757886 A EP 07757886A EP 07757886 A EP07757886 A EP 07757886A EP 1991846 A4 EP1991846 A4 EP 1991846A4
Authority
EP
European Patent Office
Prior art keywords
measurement system
gas measurement
gas
measurement
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.)
Withdrawn
Application number
EP07757886A
Other languages
German (de)
French (fr)
Other versions
EP1991846A2 (en
Inventor
James T Russell
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.)
Respironics Inc
Original Assignee
RIC Investments LLC
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 US11/368,832 external-priority patent/US7501630B2/en
Application filed by RIC Investments LLC filed Critical RIC Investments LLC
Publication of EP1991846A2 publication Critical patent/EP1991846A2/en
Publication of EP1991846A4 publication Critical patent/EP1991846A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J3/30Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36Investigating two or more bands of a spectrum by separate detectors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0803Recording apparatus specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/083Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
    • A61B5/0833Measuring rate of oxygen consumption
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/083Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
    • A61B5/0836Measuring rate of CO2 production
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/004CO or CO2
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/6428Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6432Quenching
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N2021/7769Measurement method of reaction-produced change in sensor
    • G01N2021/7786Fluorescence
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314Investigating 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

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Physiology (AREA)
  • Public Health (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Veterinary Medicine (AREA)
  • Biochemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Obesity (AREA)
  • Emergency Medicine (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
EP07757886A 2006-03-06 2007-03-05 Gas measurement system Withdrawn EP1991846A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/368,832 US7501630B2 (en) 2003-02-21 2006-03-06 Gas measurement system
PCT/US2007/063278 WO2007103855A2 (en) 2006-03-06 2007-03-05 Gas measurement system

Publications (2)

Publication Number Publication Date
EP1991846A2 EP1991846A2 (en) 2008-11-19
EP1991846A4 true EP1991846A4 (en) 2011-09-07

Family

ID=38475756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07757886A Withdrawn EP1991846A4 (en) 2006-03-06 2007-03-05 Gas measurement system

Country Status (4)

Country Link
EP (1) EP1991846A4 (en)
CN (1) CN101589302B (en)
BR (1) BRPI0702864A2 (en)
WO (1) WO2007103855A2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE533551C2 (en) * 2009-02-12 2010-10-26 Senseair Ab A light detector adapted to be attached to a carrier as a discrete unit
CN101874736A (en) * 2010-07-02 2010-11-03 天津大学 Main stream-type carbon dioxide concentration measurement device
CN103458783B (en) * 2011-01-25 2015-11-25 皇家飞利浦有限公司 Heaterless based on the CO 2 measuring of lead selenide and/or the system and method for capnography for performing
JP6276194B2 (en) * 2011-12-16 2018-02-07 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. System and method for monitoring the composition of respiratory gas flow using a detector and radiator located on the same side of the flow of respiratory gas
EP3446737B8 (en) 2012-04-05 2021-12-22 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
US8927922B2 (en) * 2013-05-21 2015-01-06 Aquionics, Inc. Fluid diagnostic devices and methods of using the same
JP2017517319A (en) 2014-05-27 2017-06-29 フィッシャー アンド ペイケル ヘルスケア リミテッド Gas mixing and measurement for medical devices
GB2598024B (en) 2015-12-02 2022-05-04 Fisher & Paykel Healthcare Ltd Flow path sensing for flow therapy apparatus
EP3455612A1 (en) * 2016-05-09 2019-03-20 Infrasolid Gmbh Measuring device and method for sensing different gases and gas concentrations
CN108918363B (en) * 2018-03-23 2020-06-30 重庆山楂树科技有限公司 Gas auxiliary detection device
CN110132926B (en) * 2019-06-06 2024-09-20 深圳砺剑防卫技术有限公司 Multichannel fluorescence quenching sensing device
DE102019124107A1 (en) 2019-09-09 2021-03-11 Hamilton Medical Ag Measuring cuvette and radiation sensor, which can only be detachably connected in a predetermined relative orientation
US11707594B2 (en) * 2019-09-11 2023-07-25 GE Precision Healthcare LLC Systems and method for an optical anesthetic agent level sensor
DE102020114968A1 (en) * 2020-06-05 2021-12-09 Drägerwerk AG & Co. KGaA Measuring arrangement in modular design for determining a property of a gas to be measured

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020026937A1 (en) * 2000-08-28 2002-03-07 Mault James R. Respiratory gas sensors in folw path

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6325978B1 (en) * 1998-08-04 2001-12-04 Ntc Technology Inc. Oxygen monitoring and apparatus
US7335164B2 (en) * 1996-07-15 2008-02-26 Ntc Technology, Inc. Multiple function airway adapter
US7432508B2 (en) * 2003-02-21 2008-10-07 Ric Investments, Llc Gas measurement system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020026937A1 (en) * 2000-08-28 2002-03-07 Mault James R. Respiratory gas sensors in folw path

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2007103855A2 *

Also Published As

Publication number Publication date
WO2007103855A2 (en) 2007-09-13
WO2007103855A3 (en) 2009-02-12
CN101589302A (en) 2009-11-25
EP1991846A2 (en) 2008-11-19
BRPI0702864A2 (en) 2011-03-15
CN101589302B (en) 2011-04-06

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