AU2017297977B2 - Water out alarm determination - Google Patents

Water out alarm determination Download PDF

Info

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
Authority
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
Other languages
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

Links

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 SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or 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)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Air Humidification (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Emergency Alarm Devices (AREA)
  • Air Conditioning Control Device (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (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 (3) US11433196B2 (enExample)
EP (2) EP3487573B1 (enExample)
JP (3) JP7123032B2 (enExample)
CN (2) CN115253002A (enExample)
AU (3) AU2017297977B2 (enExample)
SG (2) SG10202100532PA (enExample)
WO (1) WO2018016974A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115253002A (zh) 2016-07-19 2022-11-01 费雪派克医疗保健有限公司 缺水警报确定
AU2019319426B2 (en) 2018-08-10 2025-03-27 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)

* 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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2619893C (en) * 1997-06-17 2011-11-15 Fisher & Paykel Healthcare Limited Respiratory humidification system
US6078729A (en) * 1997-10-21 2000-06-20 National Environmental Products Ltd., Inc. Foam, drain and fill control system for humidifier
US20050223244A1 (en) * 2004-03-30 2005-10-06 David Sinai Device, system and method for reduced power consumption
US7099572B2 (en) 2004-06-30 2006-08-29 Synapse, Inc. Water heating system and method for detecting a dry fire condition for a heating element
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
US8739780B2 (en) 2005-08-15 2014-06-03 Resmed Limited Low cost CPAP flow generator and humidifier assembly
NZ704650A (en) 2007-06-05 2016-08-26 Resmed Ltd Electrical heater with particular application to humidification and fluid warming
CN104888330B (zh) 2009-12-23 2019-01-08 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
BR112012015601B1 (pt) 2009-12-23 2020-07-14 Fisher & Paykel Healthcare Limited Braço de descarga para sistema de evacuação de fumaça cirúrgica, sistema de evacuação de fumaça cirúrgica, aparelho para determinação de condição de água dentro de câmara de umidificação e sistema de insuflação
EP2819727A1 (en) 2012-03-01 2015-01-07 Koninklijke Philips N.V. Method and apparatus for determining a liquid level in a humidified pressure support device
US9974921B2 (en) * 2012-04-27 2018-05-22 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
WO2014052983A1 (en) 2012-09-28 2014-04-03 Fisher & Paykel Healthcare Limited Humidification breathing apparatus control
BR112015015298A2 (pt) 2012-12-28 2017-07-11 Koninklijke Philips Nv sistema de suporte por pressão, e método de aplicação de um fluxo pressurizado de gás respirável de umidade controlada às vias aéreas de um indivíduo
EP3912667B1 (en) * 2013-01-30 2025-03-19 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus and disinfection method
KR102538489B1 (ko) * 2014-12-09 2023-05-30 플렉시케어, 인크. 기계적 인공호흡 중에 흡입 가스를 가열 및 가습하는 시스템 및 방법
CN115253002A (zh) * 2016-07-19 2022-11-01 费雪派克医疗保健有限公司 缺水警报确定

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
WO2018016974A1 (en) 2018-01-25
US12337117B2 (en) 2025-06-24
EP3487573B1 (en) 2026-01-14
CN109789288A (zh) 2019-05-21
AU2023203071B2 (en) 2025-05-15
CN115253002A (zh) 2022-11-01
SG10202100532PA (en) 2021-02-25
SG11201900520YA (en) 2019-02-27
EP4718417A2 (en) 2026-04-01
AU2025217360A1 (en) 2025-09-11
JP7123032B2 (ja) 2022-08-22
JP2019520951A (ja) 2019-07-25
US20230016953A1 (en) 2023-01-19
EP3487573A1 (en) 2019-05-29
JP2022119922A (ja) 2022-08-17
JP2024010069A (ja) 2024-01-23
EP4718417A3 (en) 2026-06-24
US11433196B2 (en) 2022-09-06
AU2023203071A1 (en) 2023-06-22
EP3487573A4 (en) 2020-03-11
US20250381359A1 (en) 2025-12-18
AU2017297977A1 (en) 2019-02-21
CN109789288B (zh) 2022-08-05
US20190262560A1 (en) 2019-08-29

Similar Documents

Publication Publication Date Title
AU2023203071B2 (en) Water out alarm determination
US11957844B2 (en) Water out alarm
AU2020203555B2 (en) Surgical humidifier control
AU2024200492B2 (en) Water out alarm
CA3126584A1 (en) Surgical humidifier control

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)