AU2017208697B2 - Humidification of respiratory gases - Google Patents

Humidification of respiratory gases Download PDF

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Publication number
AU2017208697B2
AU2017208697B2 AU2017208697A AU2017208697A AU2017208697B2 AU 2017208697 B2 AU2017208697 B2 AU 2017208697B2 AU 2017208697 A AU2017208697 A AU 2017208697A AU 2017208697 A AU2017208697 A AU 2017208697A AU 2017208697 B2 AU2017208697 B2 AU 2017208697B2
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AU
Australia
Prior art keywords
flow
gases
assistance system
respiratory
respiratory assistance
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Active
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AU2017208697A
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English (en)
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AU2017208697A1 (en
Inventor
Po-Yen Liu
Anthony James Newland
Daniel John Smith
Ivan Chih-Fan TENG
Stefan Leo VAN WORKUM
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Fisher and Paykel Healthcare Ltd
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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.)
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Publication of AU2017208697A1 publication Critical patent/AU2017208697A1/en
Application granted granted Critical
Publication of AU2017208697B2 publication Critical patent/AU2017208697B2/en
Priority to AU2023203136A priority Critical patent/AU2023203136B2/en
Priority to AU2025205304A priority patent/AU2025205304A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61M16/14—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
    • 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
    • A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • 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
    • A61M16/021—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
    • A61M16/026—Control means therefor including calculation means, e.g. using a processor specially adapted for predicting, e.g. for determining an information representative of a flow limitation during a ventilation cycle by using a root square technique or a regression analysis
    • 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
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0883—Circuit type
    • A61M16/0891—Closed circuit, e.g. for anaesthesia
    • 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
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/109—Preparation of respiratory gases or vapours by influencing the temperature the humidifying liquid or the beneficial agent
    • 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
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/1095—Preparation of respiratory gases or vapours by influencing the temperature in the connecting tubes
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0036—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the breathing tube and used in both inspiratory and expiratory phase
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AU2017208697A 2016-01-18 2017-01-16 Humidification of respiratory gases Active AU2017208697B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2023203136A AU2023203136B2 (en) 2016-01-18 2023-05-18 Humidification of respiratory gases
AU2025205304A AU2025205304A1 (en) 2016-01-18 2025-07-09 Humidification of respiratory gases

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662280076P 2016-01-18 2016-01-18
US62/280,076 2016-01-18
US201662362709P 2016-07-15 2016-07-15
US62/362,709 2016-07-15
PCT/NZ2017/050003 WO2017126980A2 (en) 2016-01-18 2017-01-16 Humidification of respiratory gases

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2023203136A Division AU2023203136B2 (en) 2016-01-18 2023-05-18 Humidification of respiratory gases

Publications (2)

Publication Number Publication Date
AU2017208697A1 AU2017208697A1 (en) 2018-08-30
AU2017208697B2 true AU2017208697B2 (en) 2023-03-02

Family

ID=59361905

Family Applications (3)

Application Number Title Priority Date Filing Date
AU2017208697A Active AU2017208697B2 (en) 2016-01-18 2017-01-16 Humidification of respiratory gases
AU2023203136A Active AU2023203136B2 (en) 2016-01-18 2023-05-18 Humidification of respiratory gases
AU2025205304A Pending AU2025205304A1 (en) 2016-01-18 2025-07-09 Humidification of respiratory gases

Family Applications After (2)

Application Number Title Priority Date Filing Date
AU2023203136A Active AU2023203136B2 (en) 2016-01-18 2023-05-18 Humidification of respiratory gases
AU2025205304A Pending AU2025205304A1 (en) 2016-01-18 2025-07-09 Humidification of respiratory gases

Country Status (6)

Country Link
US (3) US10905843B2 (https=)
EP (2) EP3405245A4 (https=)
JP (2) JP6927985B2 (https=)
AU (3) AU2017208697B2 (https=)
DE (1) DE112017000410T5 (https=)
WO (1) WO2017126980A2 (https=)

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Also Published As

Publication number Publication date
JP2019505297A (ja) 2019-02-28
AU2017208697A1 (en) 2018-08-30
DE112017000410T5 (de) 2018-10-11
AU2025205304A1 (en) 2025-07-31
US20190076617A1 (en) 2019-03-14
US10905843B2 (en) 2021-02-02
JP6927985B2 (ja) 2021-09-01
EP3405245A2 (en) 2018-11-28
EP4212197A1 (en) 2023-07-19
JP7399141B2 (ja) 2023-12-15
US12029858B2 (en) 2024-07-09
WO2017126980A2 (en) 2017-07-27
US20250001122A1 (en) 2025-01-02
AU2023203136B2 (en) 2025-04-10
EP3405245A4 (en) 2019-09-11
WO2017126980A3 (en) 2017-09-21
US20210178107A1 (en) 2021-06-17
AU2023203136A1 (en) 2023-06-22
JP2021178199A (ja) 2021-11-18

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