[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

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Withdrawn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Withdrawn legal-status Critical Current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—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/004—CO or 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Analytical Chemistry (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
EP2667775B1 (en) 2011-01-25 2015-05-06 Koninklijke Philips N.V. System and method for performing heater-less lead selenide-based capnometry and/or capnography
EP2791650B1 (en) * 2011-12-16 2020-01-08 Koninklijke Philips N.V. System and method of monitoring composition of a flow of breathable gas using a detector and emitter positioned on the same side of the flow of breathable gas
ES2720224T3 (en) 2012-04-05 2019-07-18 Fisher & Paykel Healthcare Ltd Respiratory aid
CN105264355B (en) * 2013-05-21 2018-10-30 圣瑞克斯公司 Fluid diagnostic device and its application method
CN110354356B (en) 2014-05-27 2022-11-01 费雪派克医疗保健有限公司 Gas mixing and measurement for medical devices
KR20230054906A (en) 2015-12-02 2023-04-25 피셔 앤 페이켈 핼스케어 리미티드 Flow path sensing for flow therapy apparatus
US10768101B2 (en) * 2016-05-09 2020-09-08 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
US7335164B2 (en) * 1996-07-15 2008-02-26 Ntc Technology, Inc. Multiple function airway adapter
US6325978B1 (en) * 1998-08-04 2001-12-04 Ntc Technology Inc. Oxygen monitoring and apparatus
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
BRPI0702864A2 (en) 2011-03-15
CN101589302B (en) 2011-04-06
CN101589302A (en) 2009-11-25
WO2007103855A2 (en) 2007-09-13
EP1991846A2 (en) 2008-11-19
WO2007103855A3 (en) 2009-02-12

Similar Documents

Publication Publication Date Title
GB2430495B (en) Gas measuring system
EP1899698A4 (en) Gas measurement system
EP1991846A4 (en) Gas measurement system
EP2102633A4 (en) Gas detector
EP1986022A4 (en) Distance measuring system
EP2006672A4 (en) Gas analyzer
GB0718299D0 (en) Gas sensor
HK1135006A1 (en) Gas sensor
GB2445272B (en) Gas filtering-buffering device
EP2224231A4 (en) Gas sensor
GB0705897D0 (en) Microtome
GB0620711D0 (en) Gas sensor
TWI339728B (en) Inspection system
TWI348546B (en) Gas sensor
GB0600629D0 (en) Gas sensor
HK1137507A1 (en) Wet gas measurement
GB2440556B (en) Gas sensor
GB2440750B (en) Gas Sensor
GB2437984B (en) Gas sensor arrangement
GB2444080B (en) Gas monitoring system
GB0717608D0 (en) Gas detector
GB2438724B (en) Gas monitoring system
GB0816595D0 (en) Measuring system
GB0604367D0 (en) Indicator system
GB0701401D0 (en) Indicator

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080121

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

R17D Deferred search report published (corrected)

Effective date: 20090212

RIC1 Information provided on ipc code assigned before grant

Ipc: G01N 21/35 20060101ALI20090429BHEP

Ipc: A61B 5/083 20060101ALI20090429BHEP

Ipc: G01N 21/61 20060101AFI20090429BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20110810

RIC1 Information provided on ipc code assigned before grant

Ipc: G01N 21/77 20060101ALI20110804BHEP

Ipc: G01N 21/35 20060101ALI20110804BHEP

Ipc: A61B 5/083 20060101ALI20110804BHEP

Ipc: G01N 21/61 20060101AFI20110804BHEP

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20121012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20141001