JP2017517319A - 医療機器のためのガスの混合および測定 - Google Patents

医療機器のためのガスの混合および測定 Download PDF

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Publication number
JP2017517319A
JP2017517319A JP2016569767A JP2016569767A JP2017517319A JP 2017517319 A JP2017517319 A JP 2017517319A JP 2016569767 A JP2016569767 A JP 2016569767A JP 2016569767 A JP2016569767 A JP 2016569767A JP 2017517319 A JP2017517319 A JP 2017517319A
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Prior art keywords
gas
pulse train
acoustic pulse
downstream
upstream
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Japanese (ja)
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JP2017517319A5 (enExample
Inventor
アンドレ、バン、シャルクウィク
アンソニー、ジェームズ、ニューランド
レイチェル、グレイブズ
ウェンジー、ロビン、リャン
ウィニー、ヨン、ジャン−フー
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Fisher and Paykel Healthcare Ltd
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Fisher and Paykel Healthcare Ltd
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Publication of JP2017517319A publication Critical patent/JP2017517319A/ja
Publication of JP2017517319A5 publication Critical patent/JP2017517319A5/ja
Priority to JP2020024550A priority Critical patent/JP7330117B2/ja
Priority to JP2022054460A priority patent/JP2022091902A/ja
Priority to JP2023204891A priority patent/JP2024023533A/ja
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    • 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
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    • 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
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    • 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
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    • 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
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    • 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
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    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
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    • 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
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    • 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
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    • G01N2291/02—Indexing codes associated with the analysed material
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    • G01N2291/0215—Mixtures of three or more gases, e.g. air
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    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level

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  • 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)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (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)
JP2016569767A 2014-05-27 2015-05-27 医療機器のためのガスの混合および測定 Pending JP2017517319A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020024550A JP7330117B2 (ja) 2014-05-27 2020-02-17 医療機器のためのガスの混合および測定
JP2022054460A JP2022091902A (ja) 2014-05-27 2022-03-29 医療機器のためのガスの混合および測定
JP2023204891A JP2024023533A (ja) 2014-05-27 2023-12-04 医療機器のためのガスの混合および測定

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020024550A Division JP7330117B2 (ja) 2014-05-27 2020-02-17 医療機器のためのガスの混合および測定

Publications (2)

Publication Number Publication Date
JP2017517319A true JP2017517319A (ja) 2017-06-29
JP2017517319A5 JP2017517319A5 (enExample) 2019-05-09

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Application Number Title Priority Date Filing Date
JP2016569767A Pending JP2017517319A (ja) 2014-05-27 2015-05-27 医療機器のためのガスの混合および測定
JP2020024550A Active JP7330117B2 (ja) 2014-05-27 2020-02-17 医療機器のためのガスの混合および測定
JP2022054460A Pending JP2022091902A (ja) 2014-05-27 2022-03-29 医療機器のためのガスの混合および測定
JP2023204891A Pending JP2024023533A (ja) 2014-05-27 2023-12-04 医療機器のためのガスの混合および測定

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JP2020024550A Active JP7330117B2 (ja) 2014-05-27 2020-02-17 医療機器のためのガスの混合および測定
JP2022054460A Pending JP2022091902A (ja) 2014-05-27 2022-03-29 医療機器のためのガスの混合および測定
JP2023204891A Pending JP2024023533A (ja) 2014-05-27 2023-12-04 医療機器のためのガスの混合および測定

Country Status (8)

Country Link
US (3) US11433210B2 (enExample)
EP (2) EP3148624B1 (enExample)
JP (4) JP2017517319A (enExample)
CN (4) CN110354356B (enExample)
AU (3) AU2015268171B2 (enExample)
CA (1) CA2950073A1 (enExample)
SG (2) SG10201810281TA (enExample)
WO (1) WO2015183107A1 (enExample)

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ES2985195T3 (es) 2012-04-05 2024-11-04 Fisher & Paykel Healthcare Ltd Aparato de asistencia respiratoria
SG10201810281TA (en) 2014-05-27 2018-12-28 Fisher & Paykel Healthcare Ltd Gases mixing and measuring for a medical device
EP4023277B1 (en) * 2015-12-02 2024-09-11 Fisher & Paykel Healthcare Limited Flow path sensing for flow therapy apparatus
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
US11549699B2 (en) 2017-10-03 2023-01-10 Vornado Air, Llc Portable humidifier
US11306929B2 (en) * 2018-09-09 2022-04-19 Vornado Air, Llc Portable steam humidifier
US11883594B2 (en) * 2017-11-22 2024-01-30 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
CN113747965A (zh) * 2019-04-01 2021-12-03 艾诺格有限公司 紧凑型便携式氧气浓缩器
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
CN220967833U (zh) * 2021-12-23 2024-05-17 费雪派克医疗保健有限公司 用于提供呼吸气体的装置
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

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JP2002306603A (ja) * 2001-04-16 2002-10-22 Teijin Ltd 酸素濃縮装置
WO2008149868A1 (ja) * 2007-05-31 2008-12-11 Teijin Pharma Limited 超音波式ガス濃度測定方法及びそれを用いた装置
JP2012239690A (ja) * 2011-05-20 2012-12-10 Institute Of National Colleges Of Technology Japan 超音波流量計を用いた酸素濃度計

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