CA2950073A1 - Gases mixing and measuring for a medical device - Google Patents

Gases mixing and measuring for a medical device Download PDF

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Publication number
CA2950073A1
CA2950073A1 CA2950073A CA2950073A CA2950073A1 CA 2950073 A1 CA2950073 A1 CA 2950073A1 CA 2950073 A CA2950073 A CA 2950073A CA 2950073 A CA2950073 A CA 2950073A CA 2950073 A1 CA2950073 A1 CA 2950073A1
Authority
CA
Canada
Prior art keywords
gases
pulse train
acoustic pulse
downstream
upstream
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
CA2950073A
Other languages
English (en)
French (fr)
Inventor
Andre VAN SCHALKWYK
Anthony James Newland
Rachael GLAVES
Wenjie Robin LIANG
Winnie Yong JIANG-FOO
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.)
Fisher and Paykel Healthcare Ltd
Original Assignee
Fisher and Paykel Healthcare Ltd
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 Fisher and Paykel Healthcare Ltd filed Critical Fisher and Paykel Healthcare Ltd
Publication of CA2950073A1 publication Critical patent/CA2950073A1/en
Pending legal-status Critical Current

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Classifications

    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • 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. ventilators; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • 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. ventilators; Tracheal tubes
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • 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
    • 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
    • G01F1/662—Constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure 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
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time 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
    • G01N29/02—Analysing fluids
    • G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
    • 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
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M2016/102—Measuring a parameter of the content of the delivered gas
    • A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0208—Oxygen
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3368—Temperature
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • 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
    • A61M2206/00—Characteristics of a physical parameter; associated device therefor
    • A61M2206/10—Flow characteristics
    • A61M2206/14—Static flow deviators in tubes disturbing laminar flow in tubes, e.g. archimedes screws
    • 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
    • A61M2206/00—Characteristics of a physical parameter; associated device therefor
    • A61M2206/10—Flow characteristics
    • A61M2206/20—Flow characteristics having means for promoting or enhancing the flow, actively or passively
    • 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
    • G01N2291/0212—Binary gases
    • 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
    • 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
    • G01N2291/02836—Flow rate, liquid level

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
  • Accessories For Mixers (AREA)
CA2950073A 2014-05-27 2015-05-27 Gases mixing and measuring for a medical device Pending CA2950073A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462003423P 2014-05-27 2014-05-27
US62/003,423 2014-05-27
PCT/NZ2015/050068 WO2015183107A1 (en) 2014-05-27 2015-05-27 Gases mixing and measuring for a medical device

Publications (1)

Publication Number Publication Date
CA2950073A1 true CA2950073A1 (en) 2015-12-03

Family

ID=54699331

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2950073A Pending CA2950073A1 (en) 2014-05-27 2015-05-27 Gases mixing and measuring for a medical device

Country Status (8)

Country Link
US (3) US11433210B2 (enExample)
EP (2) EP3148624B1 (enExample)
JP (4) JP2017517319A (enExample)
CN (4) CN110393839B (enExample)
AU (3) AU2015268171B2 (enExample)
CA (1) CA2950073A1 (enExample)
SG (2) SG11201609863WA (enExample)
WO (1) WO2015183107A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013244090B2 (en) 2012-04-05 2018-04-05 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
CN110393839B (zh) 2014-05-27 2023-03-24 费雪派克医疗保健有限公司 用于医疗装置的气体混合和测量
CN114796783A (zh) * 2015-12-02 2022-07-29 费雪派克医疗保健有限公司 流量治疗设备的流动路径感测
US10324104B2 (en) 2016-01-04 2019-06-18 Bradley Charles Ashmore Device for measuring the speed and direction of a gas flow
CN105920711B (zh) * 2016-06-23 2018-09-11 湖南明康中锦医疗科技发展有限公司 一种用于呼吸机的空氧混合气道及呼吸机和方法
EP3648823B1 (en) * 2017-07-04 2022-11-23 ResMed Pty Ltd Acoustic measurement systems and methods
US11549699B2 (en) 2017-10-03 2023-01-10 Vornado Air, Llc Portable humidifier
EP4438094B1 (en) * 2017-11-22 2026-05-13 Fisher & Paykel Healthcare Limited Respiratory rate monitoring for respiratory flow therapy systems
US11583640B2 (en) * 2018-04-20 2023-02-21 Gough Industries, Inc. Medicine vaporizer apparatus and methods of using the same
CN211316436U (zh) * 2018-09-09 2020-08-21 G·皮斯 一种空气加湿系统
WO2020206002A1 (en) * 2019-04-01 2020-10-08 Inogen, Inc. Compact portable oxygen concentrator
US11609219B2 (en) * 2019-08-01 2023-03-21 Evoqua Water Technologies Llc Continuous sonic wave analyzer
DE102020000268A1 (de) * 2020-01-17 2021-07-22 Drägerwerk AG & Co. KGaA Anästhesiemitteldosiervorrichtung mit einer Messeinheit
US11181544B2 (en) 2020-02-20 2021-11-23 Bradley Charles Ashmore Configurable flow velocimeter
JP2021187389A (ja) 2020-06-03 2021-12-13 株式会社東海理化電機製作所 筐体装置およびシステム
CN113413530B (zh) * 2021-06-20 2022-04-01 三河科达实业有限公司 一种可以应用于高寒冷环境下的空气混氧模块
US20230054509A1 (en) * 2021-08-18 2023-02-23 Drägerwerk AG & Co. KGaA Passive gas mixer with a hollow screw
CA3243047A1 (en) * 2021-12-23 2025-02-27 Fisher & Paykel Healthcare Limited RESPIRATORY ASSISTANCE SYSTEM
KR102397529B1 (ko) * 2022-03-07 2022-05-12 이창수 환자의 원활한 호흡 유도 기능을 강화한 메디컬 콘솔용 네블라이저
EP4545960A1 (en) * 2023-10-27 2025-04-30 Sensata Technologies, Inc. Gas detection using acoustic sensors

Family Cites Families (253)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191210428A (en) 1912-05-05 1913-02-20 Alfred Julius Boult Improvements in or relating to Apparatus for use in Administering Gas for Medical or like purposes.
US1269599A (en) 1914-04-30 1918-06-18 Fritz Haber Method and apparatus for testing gases.
US1570781A (en) 1921-12-20 1926-01-26 Ruben Samuel Testing apparatus and method
DE404809C (de) 1923-05-08 1924-10-21 Willi Kunze Dr Verfahren zum Nachweis und zur quantitativen Analyse von Gasen aus der Tonhoehe eines oder mehrerer mit dem zu bestimmenden Medium gefuellter und elektrisch zu Schallschwingungen erregter Resonatoren
US2283750A (en) 1940-01-16 1942-05-19 Gen Electric Apparatus for measuring the density of gases
US2568277A (en) 1942-08-01 1951-09-18 Bendix Aviat Corp Fluid testing apparatus
GB792986A (en) 1954-11-17 1958-04-09 Parsons & Co Sir Howard G Improvements in or relating to sonic gas analysers
US2984097A (en) 1956-09-11 1961-05-16 Merck & Co Inc Gas measuring apparatus
US3120750A (en) 1958-11-28 1964-02-11 Iii Elihu Root Gas analyzer
NL302089A (enExample) 1963-01-28
NL150210B (nl) 1964-09-14 1976-07-15 Polva Nederland Bv Buigzame strook voor het schroefvormig wikkelen tot een buis.
US3468157A (en) 1966-03-03 1969-09-23 Phillips Petroleum Co Acoustical apparatus for detecting the composition of a gas
US3762197A (en) 1970-09-14 1973-10-02 Phillips Petroleum Co Acoustical detecting apparatus
US3724484A (en) 1971-07-13 1973-04-03 Us Air Force Particle density control system for colloid core nuclear reactor
BE791154A (fr) 1971-11-10 1973-05-09 Synthelabo Respirateur a turbine
DE2308418B2 (de) 1972-06-21 1976-04-08 Petzetakis, Aristovoulos George, Moschaton, Piräus (Griechenland) Verfahren und vorrichtung zum herstellen eines insbesondere grosskalibrigen rohres aus thermoplastischem kunststoff
US4033808A (en) 1972-06-21 1977-07-05 Aristovoulos George Petzetakis Apparatus for the production of hollow bodies, especially large-diameter ducts from thermoplastic synthetic resin
US3805590A (en) 1973-03-09 1974-04-23 Us Navy Oxygen partial pressure sensor
US3848457A (en) 1973-05-14 1974-11-19 Minnesota Mining & Mfg Gaseous fluid monitoring apparatus
US3981176A (en) 1974-09-16 1976-09-21 The United States Of America As Represented By The Secretary Of The Department Of Health, Education And Welfare Dual frequency acoustic gas composition analyzer
US4155246A (en) 1977-04-13 1979-05-22 Harley E. Schear Rapid gas analyzing system
US4215409A (en) 1978-03-13 1980-07-29 Mckesson Company Flow control system for anesthesia apparatus
JPS554528A (en) 1978-06-27 1980-01-14 Sumitomo Bakelite Co Ltd Method and apparatus for measuring gas concentration
NO791305L (no) 1978-08-04 1980-02-05 Sub Sea Oil Services Ssos Gassanalysator
US4255964A (en) 1978-11-30 1981-03-17 The Garrett Corporation Fluid monitor
JPS55166163A (en) 1979-06-13 1980-12-25 Citizen Watch Co Ltd Controller for anesthetic gas
DE2926747C2 (de) 1979-07-03 1982-05-19 Drägerwerk AG, 2400 Lübeck Beatmungsanlage mit von Patientenwerten gesteuertem Beatmungsgerät
DE2945575A1 (de) 1979-11-10 1981-05-27 Drägerwerk AG, 2400 Lübeck Frischgaseinrichtung mit mischer fuer medizinische und atmungsgeraete
US4340044A (en) 1980-03-20 1982-07-20 Berkshire Research Partners Volume ventilator
US4331025A (en) 1980-10-14 1982-05-25 Mapco, Inc. Methods of measuring fluid viscosity and flow rate
GB2087559A (en) 1980-11-15 1982-05-26 Nat Maritime Inst Determining gas compositions acoustically
US4380167A (en) 1981-03-18 1983-04-19 Energy Controls, Inc. Apparatus and method for detecting a fraction of a gas
US4435856A (en) 1982-04-14 1984-03-13 Esperance Francis A L Bifocal intraocular lens structure and spectacle actuation frame
US4452090A (en) * 1982-05-17 1984-06-05 Airco, Inc. Ultrasonic flowmeter
DE3246247A1 (de) 1982-12-14 1984-06-14 Siemens AG, 1000 Berlin und 8000 München Doppelwandiger, flexibler schlauch
US4520654A (en) * 1983-03-14 1985-06-04 General Electric Company Method and apparatus for detecting hydrogen, oxygen and water vapor concentrations in a host gas
US4555932A (en) 1984-02-03 1985-12-03 Rca Corporation Method and apparatus for assaying the purity of a gas
US4662212A (en) * 1984-09-10 1987-05-05 Sumitomo Bakelite Company Limited Measuring instrument for concentration of gas
US4989595A (en) 1985-09-23 1991-02-05 Battelle Development Corporation Aspirator/nebulizer
US4773448A (en) 1987-02-26 1988-09-27 Francis Norman L Freeze-resistant plastic pipe and method for its manufacture
DE3717418C1 (de) 1987-05-23 1988-10-06 Baston Artur Vobau Zylindrischer Hohlkoerper aus schraubenlinienfoermig aufgewickeltem Kunststoffprofil
US4889116A (en) 1987-11-17 1989-12-26 Phospho Energetics, Inc. Adaptive control of neonatal fractional inspired oxygen
US4938066A (en) 1988-01-29 1990-07-03 Xecutek Corporation Ultrasonic apparatus for measuring the speed of sound in a gaseous medium
JPH01321508A (ja) 1988-06-23 1989-12-27 Kojima Seisakusho:Kk 酸素濃度制御装置
FI82133C (sv) 1988-08-17 1991-01-10 Kwh Pipe Ab Oy Spirallindat rör
US5060507A (en) 1989-06-21 1991-10-29 John Urmson Method and apparatus for fluid mixture monitoring, constituent analysis, and composition control
GB8918068D0 (en) 1989-08-08 1989-09-20 Front Engineering Ltd An apparatus for determining the time taken for sound to cross a body of fluid in an enclosure
US5060506A (en) * 1989-10-23 1991-10-29 Douglas David W Method and apparatus for monitoring the content of binary gas mixtures
US5060514A (en) * 1989-11-30 1991-10-29 Puritan-Bennett Corporate Ultrasonic gas measuring device
WO1991009306A1 (de) 1989-12-08 1991-06-27 Oscar Oehler Selektive gasdetektion durch feldseparation und schallgeschwindigkeitsmessung: o2-detektion
US5063776A (en) * 1989-12-14 1991-11-12 Anadrill, Inc. Method and system for measurement of fluid flow in a drilling rig return line
US5237987A (en) 1990-06-07 1993-08-24 Infrasonics, Inc. Human lung ventilator system
US5179862A (en) 1990-06-29 1993-01-19 Panametrics, Inc. Snap-on flow measurement system
US5365922A (en) 1991-03-19 1994-11-22 Brigham And Women's Hospital, Inc. Closed-loop non-invasive oxygen saturation control system
FI95219C (sv) 1992-04-30 1996-01-10 Kwh Pipe Ab Oy Svetsningsförfarande vid framställning av spirallindat rör och svetshuvud för utförande av förfarandet
US5343760A (en) 1992-07-09 1994-09-06 General Motors Corporation Gas concentration and flow rate sensor
US5247826B1 (en) 1992-11-12 1995-07-18 Devilbiss Health Care Inc Gas concentration and/or flow sensor
GB9224797D0 (en) 1992-11-26 1993-01-13 Normalair Garrett Ltd Air-oxygen mixture controllers for breathing demand regulators
EP0646346A3 (de) 1993-09-30 1998-06-17 NDD Medizintechnik GmbH Vorrichtung zur Messung von Atemgasparametern
US5351522A (en) * 1993-11-02 1994-10-04 Aequitron Medical, Inc. Gas sensor
US6675797B1 (en) 1993-11-05 2004-01-13 Resmed Limited Determination of patency of the airway
US5558083A (en) * 1993-11-22 1996-09-24 Ohmeda Inc. Nitric oxide delivery system
US5392635A (en) 1993-12-30 1995-02-28 At&T Corp. Acoustic analysis of gas mixtures
US5463906A (en) 1994-01-24 1995-11-07 Triton Technology, Inc. Interchangeable disposable acoustic for use with an ultrasonic flowmeter, particularly during extracorporeal measurement of blood flow
JPH08109984A (ja) 1994-03-15 1996-04-30 Fisher & Paykel Ltd 加湿ガスを送るための導管及びその製造工程
DE59505211D1 (de) 1994-04-19 1999-04-08 Jakob Boesherz Beatmungsgerät, insbesondere zur behandlung von ateminsuffizienzen, sowie verfahren zu dessen betrieb
US5490763A (en) * 1994-09-15 1996-02-13 Abrams; Andrew L. Pump for shear sensitive fluids
JPH08122117A (ja) * 1994-10-19 1996-05-17 Matsushita Electric Ind Co Ltd 流量計測装置
US5551419A (en) 1994-12-15 1996-09-03 Devilbiss Health Care, Inc. Control for CPAP apparatus
WO1996024402A1 (en) * 1995-02-08 1996-08-15 Puritan-Bennett Corporation Gas mixing apparatus for a ventilator
US5581014A (en) 1995-04-05 1996-12-03 Douglas; David W. Method and apparatus for acoustic analysis of binary gas mixtures with continuous self-calibration
US5809997A (en) 1995-05-18 1998-09-22 Medtrac Technologies, Inc. Electronic medication chronolog device
US5627323A (en) 1995-05-25 1997-05-06 Stern; Michael Ultrasonic binary gas measuring device
AUPN538495A0 (en) * 1995-09-12 1995-10-05 Esnouf, Philip Stuart Disposable oxygenating device
CN2255610Y (zh) * 1995-11-01 1997-06-04 中国科学院声学研究所 油罐液位超声波测量的声速校正器
US6041777A (en) 1995-12-01 2000-03-28 Alliance Pharmaceutical Corp. Methods and apparatus for closed-circuit ventilation therapy
US5625140A (en) 1995-12-12 1997-04-29 Lucent Technologies Inc. Acoustic analysis of gas mixtures
EP0788805A3 (en) 1996-02-06 1998-05-13 DeVilbiss Health Care, Inc. Control for CPAP apparatus
JPH09243421A (ja) * 1996-03-07 1997-09-19 Matsushita Electric Ind Co Ltd 流量計測装置
GB9608265D0 (en) 1996-04-22 1996-06-26 British Gas Plc Apparatus for measuring a gas value
US5792665A (en) 1996-05-29 1998-08-11 Morrow, Iii; Donald W. Oxygen sensing method and hand held analyzer therefore
EP0813060B1 (en) 1996-06-13 2007-01-10 Leybold Inficon, Inc. Acoustic sensor with resonator cell for in-line continuous monitoring of gasses
US5917135A (en) 1996-06-14 1999-06-29 Invacare Corporation Gas concentration sensor and control for oxygen concentrator utilizing gas concentration sensor
US5823186A (en) * 1996-06-20 1998-10-20 Dragerwerk Ag Respirator
US5701883A (en) 1996-09-03 1997-12-30 Respironics, Inc. Oxygen mixing in a blower-based ventilator
US5915834A (en) 1997-06-09 1999-06-29 Litton Systems, Inc. Variable set point oxygen concentration mixer
CA2619893C (en) 1997-06-17 2011-11-15 Fisher & Paykel Healthcare Limited Respiratory humidification system
AUPO742297A0 (en) 1997-06-18 1997-07-10 Resmed Limited An apparatus for supplying breathable gas
JP2001516623A (ja) 1997-09-19 2001-10-02 レスピロニックス・インコーポレイテッド 医療用呼吸器
US6138674A (en) 1997-10-16 2000-10-31 Datex-Ohmeda, Inc. Active temperature and humidity compensator for anesthesia monitoring systems
US6306235B1 (en) 1997-10-16 2001-10-23 Nomaco, Inc. Spiral formed products and method of manufacture
US6142149A (en) 1997-10-23 2000-11-07 Steen; Scot Kenneth Oximetry device, open oxygen delivery system oximetry device and method of controlling oxygen saturation
US6039696A (en) 1997-10-31 2000-03-21 Medcare Medical Group, Inc. Method and apparatus for sensing humidity in a patient with an artificial airway
US20050121033A1 (en) 1998-02-25 2005-06-09 Ric Investments, Llc. Respiratory monitoring during gas delivery
US6116080A (en) 1998-04-17 2000-09-12 Lorex Industries, Inc. Apparatus and methods for performing acoustical measurements
AU5441599A (en) 1998-09-04 2000-03-27 Caradyne (R & D) Limited A continuous positive airway pressure controller
US6105649A (en) 1998-09-30 2000-08-22 Jerry C. Levingston Pipe extrusion apparatus including winding a hollow profile
US7687039B2 (en) * 1998-10-28 2010-03-30 Covaris, Inc. Methods and systems for modulating acoustic energy delivery
WO2000045883A1 (en) 1999-02-04 2000-08-10 Versamed Medical Systems Ltd. Computer-controlled portable ventilator
US6178827B1 (en) * 1999-04-22 2001-01-30 Murray F. Feller Ultrasonic flow sensor
US6899684B2 (en) * 1999-08-02 2005-05-31 Healthetech, Inc. Method of respiratory gas analysis using a metabolic calorimeter
SE9903192D0 (sv) 1999-09-09 1999-09-09 Siemens Elema Ab Förfarande för bestämning av gashalt
US6629934B2 (en) 2000-02-02 2003-10-07 Healthetech, Inc. Indirect calorimeter for medical applications
US6487916B1 (en) 2000-02-02 2002-12-03 Bechtel Bxwt Idaho, Llc Ultrasonic flow metering system
US6918389B2 (en) 2000-03-21 2005-07-19 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US7111624B2 (en) 2000-03-21 2006-09-26 Fisher & Paykel Healthcare Limited Apparatus for delivering humidified gases
CN1139787C (zh) 2000-07-28 2004-02-25 山东科技大学资源与环境工程学院 组合式管道气、液流体多参数一体化传感器组件
AU2001293226A1 (en) 2000-08-28 2002-03-13 Healthtech, Inc. Respiratory gas sensors in flow path
US6895803B2 (en) 2000-10-20 2005-05-24 Fisher & Paykel Healthcare Limited Humidity sensor
US6581595B1 (en) 2000-11-14 2003-06-24 Sensormedics Corporation Positive airway pressure device with indirect calorimetry system
US20020062681A1 (en) 2000-11-30 2002-05-30 Livingston Richard A. Oxygen sensor and flow meter device
JP4169483B2 (ja) 2001-01-22 2008-10-22 帝人株式会社 超音波式ガス濃度流量測定方法及び装置
WO2002057770A1 (en) 2001-01-22 2002-07-25 Teijin Limited Equipment and method for measuring concentration and flow rate of gas ultrasonically
JP4612218B2 (ja) * 2001-04-16 2011-01-12 帝人株式会社 酸素濃縮装置
US7066175B2 (en) 2001-05-07 2006-06-27 Emergent Respiratory Products, Inc. Portable gas powered positive pressure breathing apparatus and method
FR2830454A1 (fr) * 2001-10-10 2003-04-11 Taema Appareil d'assistance respiratoire a melangeur de gaz
JP2003260344A (ja) * 2002-03-08 2003-09-16 Osaka Gas Co Ltd スタティックミキサ
JP4398736B2 (ja) 2002-04-24 2010-01-13 エアーセップ・コーポレーション 低騒音酸素濃縮機
US6827084B2 (en) 2002-06-21 2004-12-07 Lloyd Thomas Grubb, Jr. Automatic gas blender
DE10228497B4 (de) * 2002-06-21 2012-01-26 Nicolay Verwaltungs-Gmbh Verfahren und Vorrichtung zum Ermitteln eines Anteils eines für die Stoffwechselfunktion eines atmenden Lebewesens charakteristischen Bestandteils in der von dem Lebewesen ausgeatmeten Luft
CA2492637A1 (en) * 2002-07-31 2004-02-05 Fisher & Paykel Healthcare Limited Isolated temperature sensor for humidification system
AU2003258918B2 (en) 2002-08-30 2005-11-17 Fisher & Paykel Healthcare Limited Humidification system
AU2003278649B2 (en) 2002-11-01 2009-06-11 Fisher & Paykel Healthcare Limited System for sensing the delivery of gases to a patient
WO2004069922A1 (ja) 2003-02-07 2004-08-19 The Nippon Synthetic Chemical Industry Co., Ltd. 樹脂組成物およびその用途
JP4897477B2 (ja) 2003-02-19 2012-03-14 フィッシャー，ジョセフ 被験者の肺血流の測定を自動的に行うための装置
US7183552B2 (en) 2003-03-07 2007-02-27 Ric Investments, Llc Optical system for a gas measurement system
US7501630B2 (en) 2003-02-21 2009-03-10 Koninklijke Philips Electronics N.V. Gas measurement system
US7432508B2 (en) 2003-02-21 2008-10-07 Ric Investments, Llc Gas measurement system
US6954702B2 (en) 2003-02-21 2005-10-11 Ric Investments, Inc. Gas monitoring system and sidestream gas measurement system adapted to communicate with a mainstream gas measurement system
US6910481B2 (en) 2003-03-28 2005-06-28 Ric Investments, Inc. Pressure support compliance monitoring system
US7654975B2 (en) * 2003-04-24 2010-02-02 Northgate Technologies, Inc. Mixed-gas insufflation system
SE0301226D0 (sv) 2003-04-28 2003-04-28 Siemens Elema Ab Acoustic Determination of Moisture Content of a Gas Mixture
CN108837255B (zh) 2003-06-20 2020-12-22 瑞思迈私人有限公司 带有加湿器的可吸入气体设备
AU2003903139A0 (en) 2003-06-20 2003-07-03 Resmed Limited Breathable gas apparatus with humidifier
US7237440B2 (en) * 2003-10-10 2007-07-03 Cidra Corporation Flow measurement apparatus having strain-based sensors and ultrasonic sensors
JP2005221302A (ja) * 2004-02-04 2005-08-18 Kurita Water Ind Ltd 超音波式空中センサによる測距方法
US8109266B2 (en) 2004-02-20 2012-02-07 Pneumoflex Systems, Llc Nebulizer having flow meter function
DE102004017403B4 (de) * 2004-04-08 2010-03-25 Dräger Medical AG & Co. KG Messvorrichtung zur Messung des Volumenstromes eines Gases, dessen Strömungsrichtung sich umkehren kann
DE102004030747A1 (de) 2004-06-25 2006-01-19 Weinmann Geräte für Medizin GmbH + Co. KG Verfahren und Vorrichtung zum Mischen von Sauerstoff und Luft
US7970631B2 (en) 2004-08-31 2011-06-28 Ethicon Endo-Surgery, Inc. Medical effector system
SE529989C2 (sv) 2004-09-03 2008-01-29 Ric Investments Llc Gasregulator
DE102004060065B4 (de) * 2004-12-14 2016-10-20 Robert Bosch Gmbh Ultraschall Durchflussmesser mit Leitelementen
US7370651B2 (en) 2005-04-01 2008-05-13 Ric Investments, Llc Gas conserving device
WO2007044073A2 (en) * 2005-04-26 2007-04-19 Brehon Energy Plc System and method for blending and compressing gases
JP5058982B2 (ja) 2005-05-26 2012-10-24 フィッシャー アンド ペイケル ヘルスケア リミテッド 呼吸補助装置
US8561611B2 (en) 2005-06-21 2013-10-22 Ric Investments, Llc Respiratory device measurement system
EP3434332B1 (en) 2005-07-01 2023-12-20 Fisher & Paykel Healthcare Limited A breathing assistance apparatus with a manifold to add auxiliary gases to ambient gases
US20070044799A1 (en) 2005-07-08 2007-03-01 Hete Bernie F Modular oxygen regulator system and respiratory treatment system
DE102005038599A1 (de) * 2005-08-16 2007-02-22 Robert Bosch Gmbh Ultraschallmesseinheit mit integrierter Feuchteermittlung
US7448376B2 (en) 2005-08-27 2008-11-11 Pamela Lepel Medication delivery device and method
US8006692B2 (en) 2005-12-02 2011-08-30 Carefusion 2200, Inc. Gas blender with auxiliary mixed gas outlet
US8371298B2 (en) * 2005-12-06 2013-02-12 Maquet Critical Care Ab Method and apparatus for lung volume estimation
DE102005059062B4 (de) 2005-12-08 2009-08-27 Continental Automotive Gmbh Vorrichtung zur Bestimmung eines Massenstroms
CA2633151C (en) 2005-12-15 2012-05-29 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US7509957B2 (en) 2006-02-21 2009-03-31 Viasys Manufacturing, Inc. Hardware configuration for pressure driver
BRPI0702864A2 (pt) 2006-03-06 2011-03-15 Ric Investments Inc sistema de medição de gás
CN100522278C (zh) 2006-03-10 2009-08-05 江苏凯泰医疗设备有限公司 无压缩空气智能化呼吸机空氧混合系统
US7810497B2 (en) 2006-03-20 2010-10-12 Ric Investments, Llc Ventilatory control system
US7574894B2 (en) * 2006-04-25 2009-08-18 Parker-Hannifin Corporation ASM output ultrasonic oxygen sensor
US20070283958A1 (en) 2006-05-23 2007-12-13 Ray Naghavi Positive airway pressure device
US7766857B2 (en) 2006-08-21 2010-08-03 General Electric Company Non-invasive determination of cardiac output, gas exchange and arterial blood gas concentration
US20080060647A1 (en) 2006-09-12 2008-03-13 Invacare Corporation System and method for delivering a breathing gas
DE102006045739B3 (de) 2006-09-27 2007-08-30 Dräger Medical AG & Co. KG Vorrichtung mit einem Beatmungsgerät und einem Anfeuchter
US20080156328A1 (en) 2006-11-13 2008-07-03 John Taube Solenoid air/oxygen system for use with an adaptive oxygen controller and therapeutic methods of use
CN103432672B (zh) 2007-01-23 2016-08-24 菲舍尔和佩克尔保健有限公司 在气体通路的患者端设有rfid标签传感器的加湿设备
EP1961439B1 (en) 2007-02-23 2009-12-16 General Electric Company Inhalation anaesthesia delivery system and a method for leak detection in the inhalation anaesthesia delivery system
CN101680859B (zh) 2007-05-31 2013-01-02 帝人制药株式会社 超声波式气体浓度测定方法及使用该方法的装置
WO2009002394A1 (en) 2007-06-21 2008-12-31 Avistar, Inc. Method and apparatus for controlling relative coal flow in pipes from a pulverizer
US8356593B2 (en) 2007-07-18 2013-01-22 Vapotherm, Inc. Delivery tube for breathing gas heating and humidification system
EP2017586A1 (en) 2007-07-20 2009-01-21 Map-Medizintechnologie GmbH Monitor for CPAP/Ventilator apparatus
EP2195061B1 (en) 2007-08-14 2018-08-22 Plastiflex Group A respiratory system
US20090065007A1 (en) 2007-09-06 2009-03-12 Wilkinson William R Oxygen concentrator apparatus and method
WO2009045198A1 (en) 2007-10-05 2009-04-09 Vapotherm, Inc. Hyperthermic humidification system
US20090107501A1 (en) 2007-10-24 2009-04-30 Ana Krieger System and method of monitoring respiratory airflow and oxygen concentration
CN101888870B (zh) 2007-10-26 2013-11-27 优特埃合伙有限公司 换气稳定系统
US8820135B2 (en) 2007-10-29 2014-09-02 Poseidon Diving Systems Ab Auto calibration / validation of oxygen sensor in breathing apparatus
ES2453483T3 (es) 2007-11-15 2014-04-07 Teijin Pharma Limited Concentrador de oxígeno
US20090145428A1 (en) 2007-12-05 2009-06-11 Sequal Technologies, Inc. System and Method for Controlling Supply of Oxygen Based on Breathing Rate
US9802022B2 (en) * 2008-03-06 2017-10-31 Resmed Limited Humidification of respiratory gases
US20090241953A1 (en) 2008-03-31 2009-10-01 Nellcor Puritan Bennett Llc Ventilator with piston-cylinder and buffer volume
CN101584898A (zh) * 2008-05-23 2009-11-25 北京航天长峰股份有限公司 一种调节呼吸机输出氧气浓度的方法
EP4706722A3 (en) 2008-05-27 2026-05-06 Fisher & Paykel Healthcare Limited Control of humidifier chamber temperature for accurate humidity control
US8485185B2 (en) * 2008-06-06 2013-07-16 Covidien Lp Systems and methods for ventilation in proportion to patient effort
US20100006098A1 (en) 2008-07-10 2010-01-14 Mcginnis William J Cpap-oximeter hybrid device and method of using
CN201250799Y (zh) * 2008-09-08 2009-06-03 瑞安市日正汽车部件有限公司 一种高风量低噪音轴流风机
DE102008055164A1 (de) 2008-12-29 2010-07-01 Endress + Hauser Flowtec Ag Messsystem zur Bestimmung und/oder Überwachung des Durchflusses eines Messmediums durch das Messrohr mittels Ultraschall
WO2010084183A2 (en) 2009-01-22 2010-07-29 Plastiflex Belgium Heated sleeve for respiratory conduit
JP5759390B2 (ja) 2009-02-13 2015-08-05 コーニンクレッカ フィリップス エヌ ヴェ 圧サポート装置及びその運転方法
US20100224191A1 (en) 2009-03-06 2010-09-09 Cardinal Health 207, Inc. Automated Oxygen Delivery System
CN102362178B (zh) 2009-03-23 2014-11-12 皇家飞利浦电子股份有限公司 使用超声的气体感测
EP2411078B1 (en) 2009-03-23 2016-05-18 Koninklijke Philips N.V. Gas mixing control apparatus
CN201379872Y (zh) 2009-04-21 2010-01-13 嘉美科仪(北京)医疗设备有限公司 一种呼吸机
EP2429622B1 (en) 2009-05-13 2014-02-26 Maquet Critical Care AB Anesthetic breathing apparatus having volume reflector unit with controllable penetration
CN101554510B (zh) 2009-05-18 2011-05-11 浙江新丰医疗器械有限公司 一种呼吸器的呼气阀
US20120109536A1 (en) * 2009-07-07 2012-05-03 Koninklijke Philips Electronics N.V. Multifunction sensor system and method for supervising room conditions
CN101598800B (zh) * 2009-07-10 2012-02-22 衡阳师范学院 一种将测氡仪测量室内气体浓度混合均匀的方法及装置
JP5543592B2 (ja) 2009-07-22 2014-07-09 コーニンクレッカ フィリップス エヌ ヴェ 転倒検出器及び転倒検出方法
CN102596030B (zh) * 2009-11-03 2015-12-09 皇家飞利浦电子股份有限公司 用于测量呼出气中特定气体的水平的设备
US20110112639A1 (en) 2009-11-06 2011-05-12 Moximed, Inc. Positioning Systems and Methods for Implanting an Energy Absorbing System
WO2011058196A1 (en) 2009-11-16 2011-05-19 Maquet Critical Care Ab Breathing apparatus with monitored delivery device
JP5374345B2 (ja) 2009-12-09 2013-12-25 花王株式会社 生理用ナプキン
US9285257B2 (en) 2009-12-18 2016-03-15 Maquet Critical Care Ab Gas meter for ultrasound measurements in a breathing apparatus having self-draining conduit arrangement
US9463293B2 (en) 2010-01-14 2016-10-11 Koninklijke Philips N.V. Servo ventilation using negative pressure support
JP2011143107A (ja) * 2010-01-15 2011-07-28 Terumo Corp 酸素濃縮装置
JP5477051B2 (ja) * 2010-03-01 2014-04-23 株式会社デンソー 超音波流量計
US20120065533A1 (en) 2010-05-28 2012-03-15 Carrillo Jr Oscar Positive Airway Pressure System and Method
CN102009697A (zh) 2010-06-13 2011-04-13 贾秉成 一种车架连接结构
US20130152933A1 (en) 2010-08-10 2013-06-20 The Regents Of The University Of California, A California Corporation Automated fluid delivery system and method
US20120055474A1 (en) 2010-09-07 2012-03-08 Wilkinson William R Methods and systems for providing oxygen enriched gas
US8544343B2 (en) * 2010-11-19 2013-10-01 Cameron International Corporation Chordal gas flowmeter with transducers installed outside the pressure boundary
CN201908869U (zh) * 2010-12-15 2011-07-27 西安交通大学 一种叶片尾缘带条纹型仿生表面的吸油烟机用仿生叶轮
EP2654562B1 (en) 2010-12-21 2015-03-18 Koninklijke Philips N.V. System and method for determining carbon dioxide excreted during non-invasive ventilation
JP2012135737A (ja) * 2010-12-27 2012-07-19 Shimadzu Corp 静止型ミキシング機構
CN102266630B (zh) 2010-12-31 2014-10-01 北京谊安医疗系统股份有限公司 一种呼吸机气体比例控制方法及装置
US8893720B2 (en) * 2011-02-15 2014-11-25 Binyomin A. Cohen Inhalation apparatus
US8752544B2 (en) 2011-03-21 2014-06-17 General Electric Company Medical vaporizer and method of monitoring of a medical vaporizer
US8997738B2 (en) * 2011-03-22 2015-04-07 Carefusion 207, Inc. Delivering diluted oxygen to a patient
JP6002747B2 (ja) 2011-03-23 2016-10-05 レスメド・リミテッドＲｅｓＭｅｄ Ｌｉｍｉｔｅｄ 換気の充足度の検出
CN102261937A (zh) * 2011-04-25 2011-11-30 西安交通大学 一种高精度时差式超声波流量计及其流量测量方法
JP5938597B2 (ja) * 2011-05-20 2016-06-22 独立行政法人国立高等専門学校機構 超音波流量計を用いた酸素濃度計
US9302066B2 (en) 2011-09-12 2016-04-05 Resmed Limited Modularized respiratory treatment apparatus
US9649459B2 (en) 2011-09-26 2017-05-16 Resmed Paris Sas Ventilator apparatus and method
WO2013050907A1 (en) 2011-10-05 2013-04-11 Koninklijke Philips Electronics N.V. Respiratory therapy systems and methods using a gas mixing circuit
JP5371066B2 (ja) * 2011-11-04 2013-12-18 正道 岩佐 超音波センサ及びこれを用いた超音波流量計
EP3199196B1 (en) * 2011-12-28 2020-02-19 Maquet Critical Care AB Gas tank arrangement for breathing apparatus
JP6342816B2 (ja) 2012-02-29 2018-06-13 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 圧力サポート装置における空気密度変動の補償
CA3176668A1 (en) 2012-03-15 2013-09-19 Fisher & Paykel Healthcare Limited Respiratory gas humidification system
US10449323B2 (en) * 2012-03-30 2019-10-22 Fisher & Paykel Healthcare Limited Humidification system
AU2013244090B2 (en) 2012-04-05 2018-04-05 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
JP2015517865A (ja) 2012-05-30 2015-06-25 コーニンクレッカ フィリップス エヌ ヴェ ポータブル手持ち式混合気体富化圧力支援システム及び方法
MY169964A (en) * 2012-06-29 2019-06-19 Intel Corp An architected protocol for changing link operating mode
CN104582774A (zh) 2012-08-13 2015-04-29 皇家飞利浦有限公司 具有药物和气体递送的手持式呼吸困难处置设备
JP6321663B2 (ja) 2012-10-12 2018-05-09 イノヴァ ラボ，インコーポレイテッド 酸素富化ガス送達のための方法およびシステム
US10589050B2 (en) 2012-11-14 2020-03-17 Fisher & Paykel Healthcare Limited Zone heating for respiratory circuits
CN203009329U (zh) * 2012-12-14 2013-06-19 上海冠带通风节能设备有限公司 机翼型插入式风机
CN103893872B (zh) 2012-12-26 2016-04-20 北京谊安医疗系统股份有限公司 一种麻醉机压力传感器零点标定方法和装置
US9884157B2 (en) 2013-03-15 2018-02-06 Microdose Therapeutx, Inc. Inhalation device, control method and computer program
FR3005580B1 (fr) 2013-05-16 2016-08-12 Air Liquide Medical Systems Appareil de ventilation artificielle a capteur de pression absolue et capteur de pression differentielle
US10286175B2 (en) 2013-05-17 2019-05-14 Resmed Paris Sas Flow diffuser and sound cone
JP6783653B2 (ja) 2013-07-09 2020-11-11 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 呼吸治療のためのシステム及び方法
CA2926046A1 (en) 2013-09-11 2015-03-19 Advanced Inhalation Therapies (Ait) Ltd. System for nitric oxide inhalation
GB2534496B (en) 2013-09-13 2020-04-01 Fisher & Paykel Healthcare Ltd A cartridge for a respiratory humidifier
US10449320B2 (en) 2013-10-15 2019-10-22 Fisher & Paykel Healthcare Limited Sensing and control arrangements for respiratory device
US10532174B2 (en) 2014-02-21 2020-01-14 Masimo Corporation Assistive capnography device
US20150327807A1 (en) 2014-05-13 2015-11-19 Karl Kuefner GmbH & Co. KG Device and method for monitoring compressions at a cardiac massage
CN110393839B (zh) 2014-05-27 2023-03-24 费雪派克医疗保健有限公司 用于医疗装置的气体混合和测量
US11571539B2 (en) 2014-07-21 2023-02-07 Fisher & Paykel Healthcare Limited Fluid mixing structure
WO2016161036A1 (en) 2015-04-01 2016-10-06 Compliant Games, Inc. Respiratory therapy instrument offering game-based incentives,training, and telemetry collection
US20160287824A1 (en) 2015-04-03 2016-10-06 Invent Medical Corporation Ventilator
EP3334485B1 (en) 2015-08-14 2024-03-06 ResMed Pty Ltd Monitoring respiratory pressure therapy
EP3146897A1 (en) 2015-09-22 2017-03-29 Srett (Sas) Oxygen therapy monitoring device and method
CN114796783A (zh) 2015-12-02 2022-07-29 费雪派克医疗保健有限公司 流量治疗设备的流动路径感测
WO2017106636A1 (en) 2015-12-18 2017-06-22 Inova Labs, Inc. Use of an oxygen concentrator for cpap therapy

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US11433210B2 (en) 2022-09-06
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US12053585B2 (en) 2024-08-06
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JP7330117B2 (ja) 2023-08-21
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JP2024023533A (ja) 2024-02-21
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US20170197056A1 (en) 2017-07-13
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AU2020201432B2 (en) 2022-05-05

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