AU2888092A - Filter selection and gas concentration computation for shutterless optically stabilized capnograph - Google Patents

Filter selection and gas concentration computation for shutterless optically stabilized capnograph

Info

Publication number
AU2888092A
AU2888092A AU28880/92A AU2888092A AU2888092A AU 2888092 A AU2888092 A AU 2888092A AU 28880/92 A AU28880/92 A AU 28880/92A AU 2888092 A AU2888092 A AU 2888092A AU 2888092 A AU2888092 A AU 2888092A
Authority
AU
Australia
Prior art keywords
shutterless
capnograph
gas concentration
filter selection
concentration computation
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.)
Abandoned
Application number
AU28880/92A
Inventor
James R. Braig
Daniel S. Goldberger
Mark L Yelderman
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.)
Ethicon Inc
Original Assignee
Critikon Inc
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 US07/782,991 external-priority patent/US5281817A/en
Application filed by Critikon Inc filed Critical Critikon Inc
Publication of AU2888092A publication Critical patent/AU2888092A/en
Abandoned 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
    • A61B5/08—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
    • 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
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pathology (AREA)
  • Obesity (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
AU28880/92A 1991-10-28 1992-10-21 Filter selection and gas concentration computation for shutterless optically stabilized capnograph Abandoned AU2888092A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/782,991 US5281817A (en) 1989-09-01 1991-10-28 Method of selecting an optical filter for a shutterless optically stabilized capnograph
US782991 1991-10-28

Publications (1)

Publication Number Publication Date
AU2888092A true AU2888092A (en) 1993-06-07

Family

ID=25127843

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28880/92A Abandoned AU2888092A (en) 1991-10-28 1992-10-21 Filter selection and gas concentration computation for shutterless optically stabilized capnograph

Country Status (4)

Country Link
AU (1) AU2888092A (en)
PT (1) PT101016A (en)
WO (1) WO1993009413A2 (en)
ZA (1) ZA928319B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI934871A0 (en) * 1993-11-03 1993-11-03 Instrumentarium Oy Foerfarande ochordord Foer compensating av vaermekrypningen hos en gasanalysator
EP0733341B1 (en) * 1995-02-24 2003-08-20 Nihon Kohden Corporation Capnometer
FI112824B (en) * 1999-04-08 2004-01-15 Wallac Oy Procedure for the analysis of exhaled gas
DE10322860B4 (en) * 2003-05-21 2005-11-03 X-Fab Semiconductor Foundries Ag Circuit arrangement for reading out electronic signals from high-resolution thermal sensors
KR101346439B1 (en) * 2009-04-17 2014-01-10 단포스 아이엑스에이 에이/에스 Gas sensor utilizing bandpass filters to measure temperature of an emitter
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423739A (en) * 1981-08-24 1984-01-03 Andros Analyzers Incorporated End tidal carbon dioxide gas analyzer
US4914719A (en) * 1989-03-10 1990-04-03 Criticare Systems, Inc. Multiple component gas analyzer

Also Published As

Publication number Publication date
WO1993009413A3 (en) 1993-06-10
WO1993009413A2 (en) 1993-05-13
PT101016A (en) 1994-01-31
ZA928319B (en) 1993-05-18

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