JP2009000548A - 呼気の一酸化窒素濃度を測定するための方法および測定装置 - Google Patents
呼気の一酸化窒素濃度を測定するための方法および測定装置 Download PDFInfo
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 158
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 33
- 238000007664 blowing Methods 0.000 claims description 11
- 210000004072 lung Anatomy 0.000 abstract description 16
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract 1
- 206010061218 Inflammation Diseases 0.000 description 9
- 238000004891 communication Methods 0.000 description 9
- 230000004054 inflammatory process Effects 0.000 description 9
- 208000006673 asthma Diseases 0.000 description 5
- 210000000621 bronchi Anatomy 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 206010001889 Alveolitis Diseases 0.000 description 3
- 201000001155 extrinsic allergic alveolitis Diseases 0.000 description 3
- 208000022098 hypersensitivity pneumonitis Diseases 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002757 inflammatory effect Effects 0.000 description 2
- 210000003928 nasal cavity Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000019693 Lung disease Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000027866 inflammatory disease Diseases 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 210000001989 nasopharynx Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000003695 paranasal sinus Anatomy 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000001584 soft palate Anatomy 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
- A61B5/411—Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
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- 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
- A61B5/082—Evaluation by breath analysis, e.g. determination of the chemical composition of exhaled breath
-
- 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
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- 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
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
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- 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
- G01N33/0037—NOx
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
【解決手段】呼気の一酸化窒素濃度を測定する方法は、呼出された呼気を測定装置の吹込管に取り込むステップと、前記吹込管を流れる呼気の一酸化窒素濃度を測定するステップと、を含み、前記呼気をサンプリングして一酸化窒素濃度を測定するステップの間において、前記吹込管を流れる呼気の流量を測定し、測定された流量値に基づいて前記吹込管の流動抵抗を調節して呼気の流量を所定の流量値に維持する。
【選択図】図1
Description
アメリカン・ソラシック・ソサイエィ(American Thoracic Society)、「成人および子供における呼出された下気道の一酸化窒素および鼻の酸化物のオンラインおよびオフラインの測定のための標準的な方法の提案(Recommendations for standardized procedures for the online and offline measurement of exhaled lower respiratory nitric oxide and nasal oxide in adults and children)」、 Am. J. Respir. Crit. Care Med. 160, p. 2104-2117。
Claims (7)
- 呼出された呼気を測定装置の吹込管に取り込むステップと、
前記吹込管を流れる呼気の一酸化窒素濃度を測定するステップと、
を含み、
前記呼気の取り込むステップの間、及び、一酸化窒素濃度を測定するステップの間において、前記吹込管を流れる呼気の流量を測定し、測定された流量値に基づいて前記吹込管の流動抵抗を調節して呼気の流量を所定の流量値に維持することを特徴とする呼気の一酸化窒素濃度を測定する方法。 - 測定中の呼気の流量について少なくとも2つの異なる流量値を設定し、前記吹込管を流れる呼気の流量が1以上の所定の流量値のいずれかに順次設定されるように吹込管の流動抵抗を調節して、呼気の一酸化窒素濃度を各流量値において測定することを特徴とする、請求項1に記載の方法。
- 測定された呼気の一酸化窒素濃度が呼出流量との比例関係で表現されることを特徴とする請求項2に記載の方法。
- 呼気が吹込まれる吹込管と、
前記吹込管を流れる呼気の一酸化窒素濃度を測定するための測定手段と、
空気流量を測定するための流量計と、
呼気を前記吹込管に取り込む間、及び、前記呼気の一酸化窒素濃度の測定の間、前記吹込管を流れる呼気の流量が所定の流量であるように調節するための流量調節器と、
を備えることを特徴とする一酸化窒素濃度を測定する測定装置。 - 1回または複数回呼出する間に、呼気の流量を少なくとも2つの流量値に連続的に設定して、呼気の一酸化窒素濃度を各流量値において測定するための制御手段を備えることを特徴とする請求項4に記載の測定装置。
- 制御手段がコンピュータを有しており、前記コンピュータは一酸化窒素濃度を測定するための測定手段および流量計に接続されており、前記コンピュータは、予め設定された空気流量値に基づいて前記コンピュータに予めプログラミングされた測定プロセスを実行するために前記流量調節器を制御するように接続されていることを特徴とする請求項4または5に記載の測定装置。
- 前記流量計が質量流量計であり、前記流量調節器が電気制御された機械式絞り弁であることを特徴とする請求項4から6のいずれか1項に記載の測定装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FI20011000A FI110839B (fi) | 2001-05-11 | 2001-05-11 | Menetelmä ja mittauslaitteisto uloshengitysilman typpioksidipitoisuuden mittaamiseksi |
FI20011000 | 2001-05-11 |
Related Parent Applications (1)
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JP2002588843A Division JP4235455B2 (ja) | 2001-05-11 | 2002-05-07 | 呼気の一酸化窒素濃度を測定するための方法および測定装置 |
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JP2009000548A true JP2009000548A (ja) | 2009-01-08 |
JP4778544B2 JP4778544B2 (ja) | 2011-09-21 |
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JP2002588843A Expired - Lifetime JP4235455B2 (ja) | 2001-05-11 | 2002-05-07 | 呼気の一酸化窒素濃度を測定するための方法および測定装置 |
JP2008218395A Expired - Lifetime JP4778544B2 (ja) | 2001-05-11 | 2008-08-27 | 呼気の一酸化窒素濃度を測定するための方法および測定装置 |
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JP2002588843A Expired - Lifetime JP4235455B2 (ja) | 2001-05-11 | 2002-05-07 | 呼気の一酸化窒素濃度を測定するための方法および測定装置 |
Country Status (10)
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US (1) | US6733463B2 (ja) |
EP (1) | EP1389950B1 (ja) |
JP (2) | JP4235455B2 (ja) |
AT (1) | ATE378005T1 (ja) |
AU (1) | AU2002253206B2 (ja) |
CA (1) | CA2445739C (ja) |
DE (1) | DE60223527T2 (ja) |
ES (1) | ES2296917T3 (ja) |
FI (1) | FI110839B (ja) |
WO (1) | WO2002091921A1 (ja) |
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JP4530212B2 (ja) * | 2004-09-28 | 2010-08-25 | 株式会社タニタ | 呼気分析装置 |
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CN104883971B (zh) * | 2012-09-28 | 2018-10-16 | 代表亚利桑那州大学行事的亚利桑那州大学董事会 | 用于精确检测呼出的一氧化氮的吹嘴 |
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- 2002-05-15 US US10/145,036 patent/US6733463B2/en not_active Expired - Lifetime
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Publication number | Publication date |
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ES2296917T3 (es) | 2008-05-01 |
EP1389950A1 (en) | 2004-02-25 |
US6733463B2 (en) | 2004-05-11 |
US20020193698A1 (en) | 2002-12-19 |
DE60223527T2 (de) | 2008-12-04 |
ATE378005T1 (de) | 2007-11-15 |
FI20011000A0 (fi) | 2001-05-11 |
JP4235455B2 (ja) | 2009-03-11 |
WO2002091921A1 (en) | 2002-11-21 |
AU2002253206B2 (en) | 2006-04-27 |
FI20011000A (fi) | 2002-11-12 |
DE60223527D1 (de) | 2007-12-27 |
CA2445739C (en) | 2011-07-12 |
EP1389950B1 (en) | 2007-11-14 |
CA2445739A1 (en) | 2002-11-21 |
JP2004529712A (ja) | 2004-09-30 |
FI110839B (fi) | 2003-04-15 |
JP4778544B2 (ja) | 2011-09-21 |
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