SE508439C2 - Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen. - Google Patents
Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen.Info
- Publication number
- SE508439C2 SE508439C2 SE9701477A SE9701477A SE508439C2 SE 508439 C2 SE508439 C2 SE 508439C2 SE 9701477 A SE9701477 A SE 9701477A SE 9701477 A SE9701477 A SE 9701477A SE 508439 C2 SE508439 C2 SE 508439C2
- Authority
- SE
- Sweden
- Prior art keywords
- gas
- acoustic
- measuring
- measuring device
- concentration
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims description 20
- 238000004364 calculation method Methods 0.000 claims description 6
- 206010002091 Anaesthesia Diseases 0.000 claims description 3
- 230000037005 anaesthesia Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 6
- 239000001569 carbon dioxide Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 48
- 238000005259 measurement Methods 0.000 description 7
- 230000000241 respiratory effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- A61B5/087—Measuring breath flow
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
-
- 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
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/015—Attenuation, scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/021—Gases
- G01N2291/0215—Mixtures of three or more gases, e.g. air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Physiology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9701477A SE9701477L (sv) | 1997-04-21 | 1997-04-21 | Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen. |
| EP98104172A EP0874238A1 (fr) | 1997-04-21 | 1998-03-09 | Dispositif de mesure pour la détermination simultanée de l'écoulement d'un mélange de gaz fluide et la concentration d'un gaz particulier dans ce mélange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9701477A SE9701477L (sv) | 1997-04-21 | 1997-04-21 | Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9701477D0 SE9701477D0 (sv) | 1997-04-21 |
| SE508439C2 true SE508439C2 (sv) | 1998-10-05 |
| SE9701477L SE9701477L (sv) | 1998-10-05 |
Family
ID=20406649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9701477A SE9701477L (sv) | 1997-04-21 | 1997-04-21 | Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen. |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0874238A1 (fr) |
| SE (1) | SE9701477L (fr) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4000529A1 (fr) * | 2020-11-23 | 2022-05-25 | Cordio Medical Ltd. | Détection d'une fonction physiologique altérée par l'analyse de la parole |
| US11417342B2 (en) | 2020-06-29 | 2022-08-16 | Cordio Medical Ltd. | Synthesizing patient-specific speech models |
| US11484211B2 (en) | 2020-03-03 | 2022-11-01 | Cordio Medical Ltd. | Diagnosis of medical conditions using voice recordings and auscultation |
| US11538490B2 (en) | 2019-03-12 | 2022-12-27 | Cordio Medical Ltd. | Diagnostic techniques based on speech models |
| US11610600B2 (en) | 2018-10-11 | 2023-03-21 | Cordio Medical Ltd. | Estimating lung volume by speech analysis |
| US11727954B2 (en) | 2019-03-12 | 2023-08-15 | Cordio Medical Ltd. | Diagnostic techniques based on speech-sample alignment |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9801007D0 (sv) * | 1998-03-25 | 1998-03-25 | Siemens Elema Ab | Anordning för mätning av ett gasflöde |
| CA2351639A1 (fr) * | 1998-11-17 | 2000-05-25 | James R. Mault | Procede et dispositif de determination non invasive d'une sortie cardiaque |
| SE9903192D0 (sv) * | 1999-09-09 | 1999-09-09 | Siemens Elema Ab | Förfarande för bestämning av gashalt |
| DE102008060922A1 (de) * | 2008-12-06 | 2010-06-10 | Ganshorn Medizin Electronic Gmbh | Lungendiagnosegerät mit zwei Ultraschallmessstrecken |
| US8752544B2 (en) | 2011-03-21 | 2014-06-17 | General Electric Company | Medical vaporizer and method of monitoring of a medical vaporizer |
| US10610659B2 (en) | 2017-03-23 | 2020-04-07 | General Electric Company | Gas mixer incorporating sensors for measuring flow and concentration |
| US10946160B2 (en) | 2017-03-23 | 2021-03-16 | General Electric Company | Medical vaporizer with carrier gas characterization, measurement, and/or compensation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754650A (en) * | 1983-07-29 | 1988-07-05 | Panametrics, Inc. | Apparatus and methods for measuring fluid flow parameters |
| JPS60117131A (ja) * | 1983-11-30 | 1985-06-24 | Toshiba Corp | 流体の流量・濃度同時測定用測定管 |
| FR2634557A1 (fr) * | 1988-07-22 | 1990-01-26 | Pluss Stauffer Ag | Dispositif et procede de mesure simultanee dans un conduit, de la densite, concentration, vitesse d'ecoulement, debit et temperature d'un fluide liquide ou pateux par transmission ultrasonore |
| US5060514A (en) * | 1989-11-30 | 1991-10-29 | Puritan-Bennett Corporate | Ultrasonic gas measuring device |
| US5343760A (en) * | 1992-07-09 | 1994-09-06 | General Motors Corporation | Gas concentration and flow rate sensor |
| TW295258U (en) * | 1992-10-06 | 1997-01-01 | Caldon Inc | Apparatus for determining fluid flow |
| EP0646346A3 (fr) * | 1993-09-30 | 1998-06-17 | NDD Medizintechnik GmbH | Dispositif pour mesurer des paramètres des gaz de respiration |
-
1997
- 1997-04-21 SE SE9701477A patent/SE9701477L/xx not_active IP Right Cessation
-
1998
- 1998-03-09 EP EP98104172A patent/EP0874238A1/fr not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11610600B2 (en) | 2018-10-11 | 2023-03-21 | Cordio Medical Ltd. | Estimating lung volume by speech analysis |
| US11538490B2 (en) | 2019-03-12 | 2022-12-27 | Cordio Medical Ltd. | Diagnostic techniques based on speech models |
| US11727954B2 (en) | 2019-03-12 | 2023-08-15 | Cordio Medical Ltd. | Diagnostic techniques based on speech-sample alignment |
| US11484211B2 (en) | 2020-03-03 | 2022-11-01 | Cordio Medical Ltd. | Diagnosis of medical conditions using voice recordings and auscultation |
| US11417342B2 (en) | 2020-06-29 | 2022-08-16 | Cordio Medical Ltd. | Synthesizing patient-specific speech models |
| EP4000529A1 (fr) * | 2020-11-23 | 2022-05-25 | Cordio Medical Ltd. | Détection d'une fonction physiologique altérée par l'analyse de la parole |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0874238A1 (fr) | 1998-10-28 |
| SE9701477L (sv) | 1998-10-05 |
| SE9701477D0 (sv) | 1997-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6506608B2 (en) | Method and apparatus for respiratory gas analysis employing measurement of expired gas mass | |
| US5503151A (en) | Apparatus for measuring the parameters of respiratory gases | |
| CN104970795B (zh) | 用于测量和分析多次呼吸氮气洗出过程的装置 | |
| JP3612332B2 (ja) | ガス又はガス混合物のモル質量の測定方法 | |
| US6076392A (en) | Method and apparatus for real time gas analysis | |
| SE508439C2 (sv) | Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen. | |
| CN101340941B (zh) | 用于估计呼气末肺容量的方法和装置 | |
| FI102511B (fi) | Pitoisuusmittaus hengitysilmasta | |
| JP4472533B2 (ja) | 診断用ガス分析装置 | |
| JP2005514081A5 (fr) | ||
| JP2002538431A (ja) | リアルタイム流体解析装置及び方法 | |
| EP1251773A2 (fr) | Calorimetre indirect pour applications medicales | |
| JP2001120661A (ja) | ガス含量を決定する方法 | |
| WO2004032727A2 (fr) | Dispositif de melange a derivation et procede de mesure adaptative et rapide de fractions de gaz melangees dans des circuits de ventilation | |
| US5836302A (en) | Breath monitor with audible signal correlated to incremental pressure change | |
| EP1440305A1 (fr) | Tete de mesure pour analyseur de gaz | |
| EP1764036B1 (fr) | Méthode de détermination du retard entre un capteur de débit ultrasonique placé dans un courant principal et un analyseur de gaz placé dans un courant secondaire | |
| US20110119012A1 (en) | Method for the Signal Linearization of a Gas Sensor Output Signal | |
| US8721561B2 (en) | Method and apparatus for analyzing pulmonary performance | |
| US6991607B2 (en) | Process and device for measuring exhaled air to determine metabolic function of a living being | |
| US7127936B2 (en) | Acoustic analysis of gas mixtures | |
| CN106267496A (zh) | 随吸供氧式节氧装置 | |
| CN116648602A (zh) | 超声波气流校准装置 | |
| US8663127B2 (en) | Method and device for determining a volume related to the lungs of a patient | |
| US20210290101A1 (en) | Respiratory diagnostic tool and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 9701477-3 Format of ref document f/p: F |