EP4281755A1 - Dispositif de mesure pour analyser un flux de gaz respiratoire - Google Patents

Dispositif de mesure pour analyser un flux de gaz respiratoire

Info

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
Application number
EP22701149.1A
Other languages
German (de)
English (en)
Inventor
Fritz MEHR
Otto STRÖBEL
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.)
Loewenstein Medical Technology SA
Original Assignee
Loewenstein Medical Technology SA
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
Application filed by Loewenstein Medical Technology SA filed Critical Loewenstein Medical Technology SA
Publication of EP4281755A1 publication Critical patent/EP4281755A1/fr
Pending legal-status Critical Current

Links

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.

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.
EP22701149.1A 2021-01-22 2022-01-20 Dispositif de mesure pour analyser un flux de gaz respiratoire Pending EP4281755A1 (fr)

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)

* Cited by examiner, † Cited by third party
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
CN108882856A (zh) * 2016-03-23 2018-11-23 皇家飞利浦有限公司 用于呼吸气体检测的纤维组件
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
EP3641867A4 (fr) * 2017-06-23 2021-01-20 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

Also Published As

Publication number Publication date
DE112022000947A5 (de) 2023-11-23
WO2022157004A1 (fr) 2022-07-28
US20240081676A1 (en) 2024-03-14

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