EP4281755A1 - Dispositif de mesure pour analyser un flux de gaz respiratoire - Google Patents
Dispositif de mesure pour analyser un flux de gaz respiratoireInfo
- Publication number
- EP4281755A1 EP4281755A1 EP22701149.1A EP22701149A EP4281755A1 EP 4281755 A1 EP4281755 A1 EP 4281755A1 EP 22701149 A EP22701149 A EP 22701149A EP 4281755 A1 EP4281755 A1 EP 4281755A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- measuring device
- cuvette
- sensor
- sensor unit
- unit
- 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.)
- Pending
Links
- 230000000241 respiratory effect Effects 0.000 title claims abstract description 92
- 230000005855 radiation Effects 0.000 claims description 59
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 40
- 230000008878 coupling Effects 0.000 claims description 29
- 238000010168 coupling process Methods 0.000 claims description 29
- 238000005859 coupling reaction Methods 0.000 claims description 29
- 239000004033 plastic Substances 0.000 claims description 28
- 229920003023 plastic Polymers 0.000 claims description 28
- 239000004695 Polyether sulfone Substances 0.000 claims description 20
- 229920006393 polyether sulfone Polymers 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 229920002492 poly(sulfone) Polymers 0.000 claims description 16
- 229920000515 polycarbonate Polymers 0.000 claims description 15
- 239000004417 polycarbonate Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- -1 polymethylene methacrylate Polymers 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 229920013654 poly(arylene sulfone) Polymers 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 17
- 238000005259 measurement Methods 0.000 description 14
- 206010036590 Premature baby Diseases 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 210000004072 lung Anatomy 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009530 blood pressure measurement Methods 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 241001631457 Cannula Species 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002644 respiratory therapy Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- A61B5/0878—Measuring breath flow using temperature sensing means
-
- 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
- A61B5/097—Devices for facilitating collection of breath or for directing breath into or through measuring devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/04—Babies, e.g. for SIDS detection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/04—Babies, e.g. for SIDS detection
- A61B2503/045—Newborns, e.g. premature baby monitoring
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0389—Windows
- G01N2021/0392—Nonplanar 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
- G01N21/314—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
- G01N2021/3166—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 using separate detectors and filters
Definitions
- the measuring device is characterized in that the lenses are made from a polysulfone and/or a polyethersulfone and/or a polycarbonate.
- the measuring device is characterized in that the coupling for connecting the cuvette and Y-piece and/or the exhalation device has at least one seal, at least one locking ring and at least one axial bearing, the locking ring protecting against accidental loosening.
- the measuring device is characterized in that the sensor connection has at least one receptacle for accommodating the sensor unit for determining the respiratory gas flow, the at least one passage for the at least one sensor pin being arranged in the receptacle.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Emergency Medicine (AREA)
- Physiology (AREA)
- Chemical & Material Sciences (AREA)
- Hematology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Anesthesiology (AREA)
- Obesity (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Urology & Nephrology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Dispositif de mesure (1) pour analyser un flux de gaz respiratoire, comprenant au moins une unité de mesure (4) et une cuvette (5), la cuvette (5) étant reliée de manière amovible à l'unité de mesure (4) et étant conçue et ajustée pour être traversée par un gaz respiratoire. Selon l'invention, l'unité de mesure (4) présente au moins deux unités de détection (41, 42), au moins une unité de détection (41) étant conçue pour déterminer un flux de gaz respiratoire et au moins une unité de détection (42) étant conçue pour déterminer une concentration de CO2 dans un gaz respiratoire, et la cuvette (5) comprend au moins deux raccords pour capteurs (51, 52) pour le raccordement des unités de détection (41, 42) pour déterminer au moins un flux de gaz respiratoire et au moins une concentration de CO2 d'un gaz respiratoire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021000320 | 2021-01-22 | ||
| PCT/EP2022/025019 WO2022157004A1 (fr) | 2021-01-22 | 2022-01-20 | Dispositif de mesure pour analyser un flux de gaz respiratoire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4281755A1 true EP4281755A1 (fr) | 2023-11-29 |
Family
ID=80121846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22701149.1A Pending EP4281755A1 (fr) | 2021-01-22 | 2022-01-20 | Dispositif de mesure pour analyser un flux de gaz respiratoire |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240081676A1 (fr) |
| EP (1) | EP4281755A1 (fr) |
| DE (1) | DE112022000947A5 (fr) |
| WO (1) | WO2022157004A1 (fr) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4873993A (en) * | 1986-07-22 | 1989-10-17 | Personal Diagnostics, Inc. | Cuvette |
| US5170798A (en) * | 1988-02-10 | 1992-12-15 | Sherwood Medical Company | Pulmonary function tester |
| US5115676A (en) * | 1990-01-10 | 1992-05-26 | Setra Systems, Inc. | Flush-mounted pressure sensor |
| US6039697A (en) * | 1998-03-20 | 2000-03-21 | Datex-Ohmeda, Inc. | Fiber optic based multicomponent infrared respiratory gas analyzer |
| JP3502807B2 (ja) * | 2000-04-14 | 2004-03-02 | 長野計器株式会社 | 圧力センサ |
| UA52387A (uk) * | 2002-04-19 | 2002-12-16 | Національний Технічний Університет України "Київський Політехнічний Інститут" | Пристрій для вимірювання концентрації газу |
| US8312878B2 (en) * | 2006-12-04 | 2012-11-20 | Ric Investments, Llc | Compensation of volumetric errors in a gas monitoring system |
| US10918308B2 (en) * | 2007-05-18 | 2021-02-16 | Koninklijke Philips N.V. | Respiratory component measurement system including a sensor for detecting orientation or motion |
| EP2062531A1 (fr) * | 2007-11-26 | 2009-05-27 | GE Healthcare Finland Oy | Détecteur de voie respiratoire de function multiple |
| EP2644094B1 (fr) * | 2012-03-26 | 2018-03-14 | General Electric Company | Capteur, analyseur de gaz et procédé pour mesurer la concentration d'au moins un composant de gaz respiratoire |
| US20190099082A1 (en) * | 2016-03-23 | 2019-04-04 | Koninklijke Philips N.V. | Fiber assembly for respiratory gas detection |
| EP3372988B1 (fr) * | 2017-03-10 | 2022-10-12 | Sensatronic GmbH | Procédé et dispositif de mesure d'une concentration de matière dans un milieu gazeux au moyen de la spectroscopie d'absorption |
| WO2018236228A1 (fr) * | 2017-06-23 | 2018-12-27 | Fisher & Paykel Healthcare Limited | Connecteurs pour systèmes d'assistance respiratoire |
| WO2019115771A1 (fr) * | 2017-12-15 | 2019-06-20 | Pari Pharma Gmbh | Système de nébuliseur, système de maintien, combinaison comprenant un système de nébuliseur et un système de maintien, et procédé d'administration d'aérosol |
-
2022
- 2022-01-20 US US18/272,161 patent/US20240081676A1/en active Pending
- 2022-01-20 EP EP22701149.1A patent/EP4281755A1/fr active Pending
- 2022-01-20 DE DE112022000947.0T patent/DE112022000947A5/de active Pending
- 2022-01-20 WO PCT/EP2022/025019 patent/WO2022157004A1/fr active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| US20240081676A1 (en) | 2024-03-14 |
| DE112022000947A5 (de) | 2023-11-23 |
| WO2022157004A1 (fr) | 2022-07-28 |
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