CA2945749A1 - Methods and systems for delivering gas to a patient - Google Patents

Methods and systems for delivering gas to a patient Download PDF

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Publication number
CA2945749A1
CA2945749A1 CA2945749A CA2945749A CA2945749A1 CA 2945749 A1 CA2945749 A1 CA 2945749A1 CA 2945749 A CA2945749 A CA 2945749A CA 2945749 A CA2945749 A CA 2945749A CA 2945749 A1 CA2945749 A1 CA 2945749A1
Authority
CA
Canada
Prior art keywords
heater
gas
electrical characteristic
duty cycle
humidification
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
CA2945749A
Other languages
English (en)
French (fr)
Inventor
Ali Ghalib Abdul Rahman Ghalib
Lina Tessy
Wisnu Arya SURENDRA
Jessica Kristen Chan
Joseph Patrick Walter Strevens
Monika BAUMANN
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 CA2945749A1 publication Critical patent/CA2945749A1/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
    • A61M16/14—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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • 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
    • A61M13/00—Insufflators for therapeutic or disinfectant purposes, i.e. devices for blowing a gas, powder or vapour into the body
    • 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
    • A61M13/00—Insufflators for therapeutic or disinfectant purposes, i.e. devices for blowing a gas, powder or vapour into the body
    • A61M13/003—Blowing gases other than for carrying powders, e.g. for inflating, dilating or rinsing
    • 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
    • A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes with alarm devices
    • 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
    • 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
    • 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
    • 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
    • A61M16/14—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
    • A61M16/162—Water-reservoir filling system, e.g. automatic
    • 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
    • A61M2205/14—Detection of the presence or absence of a tube, a connector or a container in an apparatus
    • 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
    • A61M2205/3317—Electromagnetic, inductive or dielectric 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
    • A61M2205/33—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
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • 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
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3386—Low level detectors
    • 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
    • A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
    • A61M2205/702—General characteristics of the apparatus with testing or calibration facilities automatically during use

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Air Humidification (AREA)
  • Surgical Instruments (AREA)
  • Measuring Volume Flow (AREA)
  • Endoscopes (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
CA2945749A 2014-04-16 2015-04-16 Methods and systems for delivering gas to a patient Pending CA2945749A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201461980442P 2014-04-16 2014-04-16
US61/980,442 2014-04-16
US201462066254P 2014-10-20 2014-10-20
US62/066,254 2014-10-20
PCT/NZ2015/050045 WO2015160268A1 (en) 2014-04-16 2015-04-16 Methods and systems for delivering gas to a patient

Publications (1)

Publication Number Publication Date
CA2945749A1 true CA2945749A1 (en) 2015-10-22

Family

ID=54324348

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2945749A Pending CA2945749A1 (en) 2014-04-16 2015-04-16 Methods and systems for delivering gas to a patient

Country Status (8)

Country Link
US (3) US11679226B2 (cg-RX-API-DMAC7.html)
EP (3) EP3791914B1 (cg-RX-API-DMAC7.html)
JP (5) JP6629233B2 (cg-RX-API-DMAC7.html)
CN (3) CN106456929B (cg-RX-API-DMAC7.html)
AU (4) AU2015246709B2 (cg-RX-API-DMAC7.html)
CA (1) CA2945749A1 (cg-RX-API-DMAC7.html)
GB (4) GB2541565B (cg-RX-API-DMAC7.html)
WO (1) WO2015160268A1 (cg-RX-API-DMAC7.html)

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JP2025157536A (ja) 2025-10-15
CN106456929B (zh) 2020-01-21
US20230347097A1 (en) 2023-11-02
EP3791914A1 (en) 2021-03-17
AU2020201886A1 (en) 2020-04-02
CN111110977B (zh) 2023-05-09
CN111110977A (zh) 2020-05-08
EP3131612A1 (en) 2017-02-22
GB2586183B (en) 2021-06-23
GB2586538B (en) 2021-06-23
JP7401509B2 (ja) 2023-12-19
GB201617769D0 (en) 2016-12-07
EP3791914B1 (en) 2023-07-12
JP2022028888A (ja) 2022-02-16
JP7719845B2 (ja) 2025-08-06
GB202011079D0 (en) 2020-09-02
GB2586538A (en) 2021-02-24
JP2024023556A (ja) 2024-02-21
CN116440376A (zh) 2023-07-18
JP6629233B2 (ja) 2020-01-15
JP2020036976A (ja) 2020-03-12
AU2015246709B2 (en) 2019-12-19
EP4235145A2 (en) 2023-08-30
AU2021240174B2 (en) 2023-11-30
AU2021240174A1 (en) 2021-10-28
US12324881B2 (en) 2025-06-10
EP4235145A3 (en) 2023-09-27
US20170028159A1 (en) 2017-02-02
CN106456929A (zh) 2017-02-22
EP3131612A4 (en) 2017-12-13
EP3131612B1 (en) 2020-12-30
GB202011086D0 (en) 2020-09-02
US20250152905A1 (en) 2025-05-15
AU2020201886B2 (en) 2021-09-09
GB202011075D0 (en) 2020-09-02
AU2024201308A1 (en) 2024-03-21
GB2541565B (en) 2020-09-02
GB2541565A (en) 2017-02-22
GB2585142B (en) 2021-03-24
WO2015160268A1 (en) 2015-10-22
GB2586183A (en) 2021-02-10
GB2585142A (en) 2020-12-30
GB2586538A8 (en) 2021-03-10
JP2017515541A (ja) 2017-06-15
AU2015246709A1 (en) 2016-11-03
US11679226B2 (en) 2023-06-20
AU2024201308B2 (en) 2025-12-04
JP7043475B2 (ja) 2022-03-29

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