AU2017297977B2 - Water out alarm determination - Google Patents

Water out alarm determination Download PDF

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Publication number
AU2017297977B2
AU2017297977B2 AU2017297977A AU2017297977A AU2017297977B2 AU 2017297977 B2 AU2017297977 B2 AU 2017297977B2 AU 2017297977 A AU2017297977 A AU 2017297977A AU 2017297977 A AU2017297977 A AU 2017297977A AU 2017297977 B2 AU2017297977 B2 AU 2017297977B2
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AU
Australia
Prior art keywords
water out
detection method
out detection
temperature
flow rate
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.)
Active
Application number
AU2017297977A
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English (en)
Other versions
AU2017297977A1 (en
Inventor
Po-Yen Liu
Anthony James Newland
Oliver Samuel STEINER
Ivan Chih-Fan TENG
Stefan Leo VAN WORKUM
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 AU2017297977A1 publication Critical patent/AU2017297977A1/en
Application granted granted Critical
Publication of AU2017297977B2 publication Critical patent/AU2017297977B2/en
Priority to AU2023203071A priority Critical patent/AU2023203071B2/en
Priority to AU2025217360A priority patent/AU2025217360A1/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
    • A61M16/0051—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
    • A61M16/0057—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
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • 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
    • 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
    • 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
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3389—Continuous level detection

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Electromagnetism (AREA)
  • Otolaryngology (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Air Humidification (AREA)
  • Emergency Alarm Devices (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Air Conditioning Control Device (AREA)
AU2017297977A 2016-07-19 2017-07-19 Water out alarm determination Active AU2017297977B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2023203071A AU2023203071B2 (en) 2016-07-19 2023-05-16 Water out alarm determination
AU2025217360A AU2025217360A1 (en) 2016-07-19 2025-08-15 Water out alarm determination

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662364250P 2016-07-19 2016-07-19
US62/364,250 2016-07-19
PCT/NZ2017/050096 WO2018016974A1 (en) 2016-07-19 2017-07-19 Water out alarm determination

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2023203071A Division AU2023203071B2 (en) 2016-07-19 2023-05-16 Water out alarm determination

Publications (2)

Publication Number Publication Date
AU2017297977A1 AU2017297977A1 (en) 2019-02-21
AU2017297977B2 true AU2017297977B2 (en) 2022-10-27

Family

ID=60992383

Family Applications (3)

Application Number Title Priority Date Filing Date
AU2017297977A Active AU2017297977B2 (en) 2016-07-19 2017-07-19 Water out alarm determination
AU2023203071A Active AU2023203071B2 (en) 2016-07-19 2023-05-16 Water out alarm determination
AU2025217360A Pending AU2025217360A1 (en) 2016-07-19 2025-08-15 Water out alarm determination

Family Applications After (2)

Application Number Title Priority Date Filing Date
AU2023203071A Active AU2023203071B2 (en) 2016-07-19 2023-05-16 Water out alarm determination
AU2025217360A Pending AU2025217360A1 (en) 2016-07-19 2025-08-15 Water out alarm determination

Country Status (7)

Country Link
US (2) US11433196B2 (enExample)
EP (1) EP3487573A4 (enExample)
JP (3) JP7123032B2 (enExample)
CN (2) CN109789288B (enExample)
AU (3) AU2017297977B2 (enExample)
SG (2) SG10202100532PA (enExample)
WO (1) WO2018016974A1 (enExample)

Families Citing this family (9)

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JP7123032B2 (ja) 2016-07-19 2022-08-22 フィッシャー アンド ペイケル ヘルスケア リミテッド 水切れ警報の決定
EP3833419B1 (en) 2018-08-10 2024-11-20 Fisher & Paykel Healthcare Limited Heater plate assembly in humidifier systems for medical use
CN112870501A (zh) * 2019-11-29 2021-06-01 深圳市大雅医疗技术有限公司 呼吸机控制方法、装置、呼吸机和存储介质
CN111142599B (zh) * 2019-12-31 2021-11-02 湖南明康中锦医疗科技发展有限公司 一种呼吸支持设备湿化量控制系统、方法和呼吸支持设备
CN112146232A (zh) * 2020-09-15 2020-12-29 珠海格力电器股份有限公司 一种加湿器及其缺水控制方法
US11865259B1 (en) * 2022-12-28 2024-01-09 Telesair, Inc. Device and method for respiratory therapy
EP4438089A1 (en) 2023-03-29 2024-10-02 Koninklijke Philips N.V. Method to determine an initial water volume in a humidifier and predicting the water volume over time
CN117232609B (zh) * 2023-09-22 2024-08-13 深圳宇凡微电子有限公司 一种雾化器的缺水检测系统及方法
CN117919563B (zh) * 2023-12-29 2024-10-01 广州和普乐健康科技有限公司 湿化器缺水检测方法、检测系统以及湿化器

Citations (3)

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WO2011136664A1 (en) * 2010-04-27 2011-11-03 Fisher & Paykel Healthcare Limited Water out alarm
WO2015058255A1 (en) * 2013-10-21 2015-04-30 Resmed Limited Methods of detecting a quantity of water in a humidifier
WO2015160268A1 (en) * 2014-04-16 2015-10-22 Fisher & Paykel Healthcare Limited Methods and systems for delivering gas to a patient

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US6078729A (en) 1997-10-21 2000-06-20 National Environmental Products Ltd., Inc. Foam, drain and fill control system for humidifier
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WO2007019628A1 (en) 2005-08-15 2007-02-22 Resmed Ltd Low cost cpap flow generator and humidifier assembly
US8873941B2 (en) 2007-06-05 2014-10-28 Resmed Limited Electrical heater with particular application to humidification and fluid warming
GB2538425B (en) 2009-12-23 2017-07-19 Fisher & Paykel Healthcare Ltd Improvements relating to systems for laparoscopic surgery
CN102740918B (zh) 2009-12-23 2016-02-24 费雪派克医疗保健有限公司 加湿气体输送装置及其控制方法
JP2015511851A (ja) 2012-03-01 2015-04-23 コーニンクレッカ フィリップス エヌ ヴェ 加湿圧力支持装置中の液量レベルを決定するための方法と装置
DE112013002228T5 (de) * 2012-04-27 2015-01-22 Fisher & Paykel Healthcare Limited Gebrauchstauglichkeitsfunktionen für ein Atembefeuchtungssystem
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CN104884112B (zh) * 2012-12-28 2018-02-27 皇家飞利浦有限公司 湿度控制液体最大化的压力支持设备
EP2950866B1 (en) * 2013-01-30 2021-06-02 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus and method of disinfecting at least part of a respiratory assistance apparatus
EP3229885B1 (en) * 2014-12-09 2025-02-12 Flexicare (Group) Limited Systems and methods for heating and humidifying inspired gases during mechanical ventilation
JP7123032B2 (ja) 2016-07-19 2022-08-22 フィッシャー アンド ペイケル ヘルスケア リミテッド 水切れ警報の決定

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011136664A1 (en) * 2010-04-27 2011-11-03 Fisher & Paykel Healthcare Limited Water out alarm
WO2015058255A1 (en) * 2013-10-21 2015-04-30 Resmed Limited Methods of detecting a quantity of water in a humidifier
WO2015160268A1 (en) * 2014-04-16 2015-10-22 Fisher & Paykel Healthcare Limited Methods and systems for delivering gas to a patient

Also Published As

Publication number Publication date
CN109789288A (zh) 2019-05-21
US20190262560A1 (en) 2019-08-29
EP3487573A1 (en) 2019-05-29
EP3487573A4 (en) 2020-03-11
US20230016953A1 (en) 2023-01-19
JP2022119922A (ja) 2022-08-17
JP7123032B2 (ja) 2022-08-22
SG10202100532PA (en) 2021-02-25
US11433196B2 (en) 2022-09-06
AU2023203071B2 (en) 2025-05-15
JP2019520951A (ja) 2019-07-25
AU2017297977A1 (en) 2019-02-21
CN115253002A (zh) 2022-11-01
JP2024010069A (ja) 2024-01-23
SG11201900520YA (en) 2019-02-27
CN109789288B (zh) 2022-08-05
AU2023203071A1 (en) 2023-06-22
AU2025217360A1 (en) 2025-09-11
US12337117B2 (en) 2025-06-24
WO2018016974A1 (en) 2018-01-25

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