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CA2707623A1 - Systems and methods for controlling a heated humidifier - Google Patents

Systems and methods for controlling a heated humidifier Download PDF

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Publication number
CA2707623A1
CA2707623A1 CA2707623A CA2707623A CA2707623A1 CA 2707623 A1 CA2707623 A1 CA 2707623A1 CA 2707623 A CA2707623 A CA 2707623A CA 2707623 A CA2707623 A CA 2707623A CA 2707623 A1 CA2707623 A1 CA 2707623A1
Authority
CA
Canada
Prior art keywords
controlling
heated humidifier
systems
methods
heated
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.)
Granted
Application number
CA2707623A
Other languages
French (fr)
Other versions
CA2707623C (en
Inventor
Yves Gaudard
Benjamin Desfossez
Hossein Nadjafizadeh
Veronique Grillier-Lanoir
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.)
Nellcor Puritan Bennett LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2707623A1 publication Critical patent/CA2707623A1/en
Application granted granted Critical
Publication of CA2707623C publication Critical patent/CA2707623C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • 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
    • A61M16/021—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
    • A61M16/10—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/025—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using electrical heating 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
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502—User interfaces, e.g. screens or keyboards
    • 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
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Air Humidification (AREA)
  • Air Conditioning Control Device (AREA)
  • Control Of Non-Electrical Variables (AREA)

Abstract

Systems and methods for controlling a heated humidifier are disclosed. A method may include determining an approximate flow rate of gas flow in a conduit in fluid communication with a heated humidifier and controlling the power delivered to the heated humidifier based at least on the approximate flow rate.

Claims
CA2707623A 2007-12-28 2008-12-18 Systems and methods for controlling a heated humidifier Expired - Fee Related CA2707623C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1747007P 2007-12-28 2007-12-28
US61/017,470 2007-12-28
PCT/US2008/087505 WO2009085995A1 (en) 2007-12-28 2008-12-18 Systems and methods for controlling a heated humidifier

Publications (2)

Publication Number Publication Date
CA2707623A1 true CA2707623A1 (en) 2009-07-09
CA2707623C CA2707623C (en) 2012-11-06

Family

ID=40451135

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2707623A Expired - Fee Related CA2707623C (en) 2007-12-28 2008-12-18 Systems and methods for controlling a heated humidifier

Country Status (3)

Country Link
EP (1) EP2231246A1 (en)
CA (1) CA2707623C (en)
WO (1) WO2009085995A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104815373A (en) * 2015-04-16 2015-08-05 北京怡和嘉业医疗科技有限公司 Breathing machine and power control method and system thereof

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8393323B2 (en) 2008-09-30 2013-03-12 Covidien Lp Supplemental gas safety system for a breathing assistance system
US9878123B2 (en) 2012-09-11 2018-01-30 Fisher & Paykel Healthcare Limited Surgical humidifier control
AU2012216775B2 (en) * 2012-09-12 2018-06-28 Fisher & Paykel Healthcare Limited Surgical humidifier control
CN102989076A (en) * 2012-12-27 2013-03-27 张平平 Method for applying hot compress of respiratory tract to treat diseases with hot air and respiratory device
GB2583008B (en) 2013-09-13 2020-12-30 Fisher & Paykel Healthcare Ltd Humidification system
BR112016014317B1 (en) 2013-12-20 2022-07-19 Fisher & Paykel Healthcare Limited CIRCUIT CONNECTOR FOR HUMIDIFICATION SYSTEM
GB2573053B (en) 2016-10-11 2022-09-21 Fisher & Paykel Healthcare Ltd Method of detecting errors in the connections in a humidification system
CN107050601B (en) * 2017-05-26 2019-09-24 张晋 A kind of Respiratory Medicine apparatus of oxygen supply
CN110772694B (en) * 2019-12-06 2020-06-05 常州市第一人民医院 Breathing device with humidifying function
CN111142599B (en) * 2019-12-31 2021-11-02 湖南明康中锦医疗科技发展有限公司 Humidification amount control system and method for respiratory support equipment and respiratory support equipment
CN114028670A (en) * 2021-10-29 2022-02-11 常州安康医疗器械有限公司 Oxygen breathing machine capable of moistening respiratory tract
CN114209953A (en) * 2021-12-31 2022-03-22 江苏鱼跃医疗设备股份有限公司 Breathing humidifier, dry burning detection method thereof and computer readable storage medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040221844A1 (en) * 1997-06-17 2004-11-11 Hunt Peter John Humidity controller
CA2443306C (en) * 1997-06-17 2005-11-22 Fisher & Paykel Limited Respiratory humidification system
DE10318383B3 (en) * 2003-04-23 2004-07-01 Dräger Medical AG & Co. KGaA Breathing gas moisturizer for CPAP breathing apparatus has evaporator in side branch from inspiration line and has temperature and humidity sensors connected to control circuit
DE102004037823A1 (en) * 2004-08-04 2006-03-16 Viasys Healthcare Gmbh Evaporator, ventilator and evaporation process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104815373A (en) * 2015-04-16 2015-08-05 北京怡和嘉业医疗科技有限公司 Breathing machine and power control method and system thereof

Also Published As

Publication number Publication date
EP2231246A1 (en) 2010-09-29
WO2009085995A1 (en) 2009-07-09
CA2707623C (en) 2012-11-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20171218