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Withdrawn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Withdrawn legal-status Critical Current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

    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36—Investigating two or more bands of a spectrum by separate detectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0803—Recording apparatus specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
    • A61B5/0833—Measuring rate of oxygen consumption
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
    • A61B5/0836—Measuring rate of CO2 production
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • 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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G01N33/004—Specially adapted to detect a particular component for CO, CO2
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6432—Quenching
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems 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
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7786—Fluorescence
    • 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
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 (13)

* 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
JP6113080B2 (en) * 2011-01-25 2017-04-12 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 performing heaterless lead selenide-based capnometry and / or capnography
CN103998920B (en) * 2011-12-16 2016-11-09 皇家飞利浦有限公司 Use the detector being positioned on the same side of breathable gas stream and transmitter to monitor the system and method for the composition of described breathable gas stream
EP3998097A1 (en) 2012-04-05 2022-05-18 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
CA2913124C (en) * 2013-05-21 2017-07-11 Sensorex Corporation Fluid diagnostic devices and methods of using the same
CN106535972B (en) 2014-05-27 2019-09-03 费雪派克医疗保健有限公司 Gas mixing and measurement for medical device
WO2017095241A2 (en) 2015-12-02 2017-06-08 Fisher & Paykel Healthcare Limited Flow path sensing for flow therapy apparatus
WO2017194540A1 (en) * 2016-05-09 2017-11-16 Technische Universität Dresden 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
CN110132926A (en) * 2019-06-06 2019-08-16 深圳砺剑防卫技术有限公司 Multichannel fluorescent 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
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
CN101589302B (en) 2011-04-06
CN101589302A (en) 2009-11-25
WO2007103855A3 (en) 2009-02-12
EP1991846A2 (en) 2008-11-19
WO2007103855A2 (en) 2007-09-13
BRPI0702864A2 (en) 2011-03-15

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