GB1294808A - Temperature-controlled gas humidifier for a medical ventilator - Google Patents

Temperature-controlled gas humidifier for a medical ventilator

Info

Publication number
GB1294808A
GB1294808A GB38979/71A GB3897971A GB1294808A GB 1294808 A GB1294808 A GB 1294808A GB 38979/71 A GB38979/71 A GB 38979/71A GB 3897971 A GB3897971 A GB 3897971A GB 1294808 A GB1294808 A GB 1294808A
Authority
GB
United Kingdom
Prior art keywords
temperature
gas
chamber
water
detector
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.)
Expired
Application number
GB38979/71A
Other languages
English (en)
Inventor
George Edward Smythe
William Frederick Cox
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Priority to GB38979/71A priority Critical patent/GB1294808A/en
Priority to NL7211140A priority patent/NL7211140A/xx
Priority to SE1067772A priority patent/SE7210677L/xx
Priority to DE2240659A priority patent/DE2240659A1/de
Priority to JP47083264A priority patent/JPS4829298A/ja
Priority to FR7229814A priority patent/FR2149581A1/fr
Publication of GB1294808A publication Critical patent/GB1294808A/en
Expired legal-status Critical Current

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
    • A61M16/1075—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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • 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)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Resistance Heating (AREA)
  • Devices For Medical Bathing And Washing (AREA)
GB38979/71A 1971-08-19 1971-08-19 Temperature-controlled gas humidifier for a medical ventilator Expired GB1294808A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB38979/71A GB1294808A (en) 1971-08-19 1971-08-19 Temperature-controlled gas humidifier for a medical ventilator
NL7211140A NL7211140A (enrdf_load_stackoverflow) 1971-08-19 1972-08-16
SE1067772A SE7210677L (sv) 1971-08-19 1972-08-17 Temperaturreglerad gasbefuktningsapparat avsedd för en respiratoranordning.
DE2240659A DE2240659A1 (de) 1971-08-19 1972-08-18 Temperaturgeregelter gasbefeuchter fuer beatmungsapparatur
JP47083264A JPS4829298A (enrdf_load_stackoverflow) 1971-08-19 1972-08-19
FR7229814A FR2149581A1 (enrdf_load_stackoverflow) 1971-08-19 1972-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38979/71A GB1294808A (en) 1971-08-19 1971-08-19 Temperature-controlled gas humidifier for a medical ventilator

Publications (1)

Publication Number Publication Date
GB1294808A true GB1294808A (en) 1972-11-01

Family

ID=10406885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38979/71A Expired GB1294808A (en) 1971-08-19 1971-08-19 Temperature-controlled gas humidifier for a medical ventilator

Country Status (6)

Country Link
JP (1) JPS4829298A (enrdf_load_stackoverflow)
DE (1) DE2240659A1 (enrdf_load_stackoverflow)
FR (1) FR2149581A1 (enrdf_load_stackoverflow)
GB (1) GB1294808A (enrdf_load_stackoverflow)
NL (1) NL7211140A (enrdf_load_stackoverflow)
SE (1) SE7210677L (enrdf_load_stackoverflow)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2221156A1 (enrdf_load_stackoverflow) * 1973-03-15 1974-10-11 Foures Guy
EP0008375A3 (de) * 1978-08-24 1980-03-19 Licentia Patent-Verwaltungs-GmbH Geberschaltung
US4367734A (en) * 1980-08-28 1983-01-11 Dragerwerk Aktiengesellschaft Y-Fitting in the patient system of respirators
US4401114A (en) 1977-08-09 1983-08-30 Yeda Research & Development Co., Ltd. Apparatus for heating of the nasal passages
US4676237A (en) * 1985-01-29 1987-06-30 Boutade Worldwide Investments Nv Inhaler device
WO1988000068A1 (en) * 1986-07-04 1988-01-14 Virotherm Laboratories Ltd Medical breathing apparatus
US5086766A (en) * 1988-04-16 1992-02-11 Virotherm Laboratories Ltd. Medical breathing apparatus
GB2297914A (en) * 1995-02-16 1996-08-21 Smiths Industries Plc Humidifier system with humidity sensor
US5558084A (en) * 1991-10-04 1996-09-24 Fisher & Paykel Limited Humidifier with delivery tube condensation preventing structure and control
US5896857A (en) 1996-12-20 1999-04-27 Resmed Limited Valve for use in a gas delivery system
USD419658S (en) 1998-08-28 2000-01-25 Resmed Limited Humidifier
EP0885623A3 (en) * 1997-06-17 2000-05-03 FISHER & PAYKEL LIMITED Respiratory humidification system
WO2000033903A1 (en) * 1998-12-08 2000-06-15 Instrumentarium Corporation Arrangement in connection with equipment used in patient care
WO2000033904A1 (en) * 1998-12-08 2000-06-15 Instrumentarum Corporation Arrangement in connection with feedback control system
US6135432A (en) * 1995-06-08 2000-10-24 Resmed Limited Humidifier
WO2001013981A1 (en) * 1999-08-23 2001-03-01 Fisher & Paykel Healthcare Limited Humidity controller
US6336454B1 (en) 1997-05-16 2002-01-08 Resmed Limited Nasal ventilation as a treatment for stroke
US6397841B1 (en) 1997-06-18 2002-06-04 Resmed Limited Apparatus for supplying breathable gas
FR2875138A1 (fr) * 2004-09-15 2006-03-17 Mallinckrodt Dev France Sa Procede de regulation pour un humidificateur chauffant
EP1647297A2 (en) 1997-06-17 2006-04-19 Fisher & Paykel Healthcare Limited Respiratory humidification system
US7106955B2 (en) 1999-08-23 2006-09-12 Fisher & Paykel Healthcare Limited Humidity controller
US7962018B2 (en) 1997-06-17 2011-06-14 Fisher & Paykel Healthcare Limited Humidity controller
US10130787B2 (en) 1997-06-17 2018-11-20 Fisher & Paykel Healthcare Limited Humidity controller
CN109091730A (zh) * 2017-06-21 2018-12-28 新乡学院 便携式雾化装置
EP3766534A1 (en) * 2004-08-20 2021-01-20 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient
US12420038B2 (en) 2012-05-23 2025-09-23 Fisher & Paykel Healthcare Limited Flow path fault detection method for a respiratory assistance apparatus

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2702674C3 (de) * 1977-01-24 1981-02-12 Draegerwerk Ag, 2400 Luebeck Atemgasbefeuchter
DE2751833C3 (de) * 1977-11-19 1989-03-16 Braun Ag, 6000 Frankfurt Elektrischer Haartrockner mit Gebläse und Heizung
DE3308819A1 (de) * 1983-03-12 1984-09-13 Drägerwerk AG, 2400 Lübeck Beatmungsgeraet mit hochfrequenter beatmung
SE449565C (sv) * 1984-06-28 1990-02-12 Gambro Engstrom Ab Narkos- och/eller respiratoranlaeggning innefattande en befuktnings- och/eller foergasningskammare
DE3730551A1 (de) * 1987-09-11 1989-03-30 Annedore Kinnle Med Techn Zube Atemgasbefeuchtungsgeraet
JPH0716521B2 (ja) * 1988-09-27 1995-03-01 株式会社白石 圧気作業用加湿ユニット付き混合ガス呼吸装置
DE4102223A1 (de) * 1991-01-23 1992-07-30 Peter Dr Sc Techn Schaller Patientenschlauch-heizung eines beatmungsgeraetes
DE202006011754U1 (de) * 2006-07-28 2007-12-06 GRÜNDLER GmbH Vorrichtung zur Kondensatvermeidung

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2221156A1 (enrdf_load_stackoverflow) * 1973-03-15 1974-10-11 Foures Guy
US4401114A (en) 1977-08-09 1983-08-30 Yeda Research & Development Co., Ltd. Apparatus for heating of the nasal passages
EP0008375A3 (de) * 1978-08-24 1980-03-19 Licentia Patent-Verwaltungs-GmbH Geberschaltung
US4367734A (en) * 1980-08-28 1983-01-11 Dragerwerk Aktiengesellschaft Y-Fitting in the patient system of respirators
US4676237A (en) * 1985-01-29 1987-06-30 Boutade Worldwide Investments Nv Inhaler device
WO1988000068A1 (en) * 1986-07-04 1988-01-14 Virotherm Laboratories Ltd Medical breathing apparatus
US5086766A (en) * 1988-04-16 1992-02-11 Virotherm Laboratories Ltd. Medical breathing apparatus
US5558084A (en) * 1991-10-04 1996-09-24 Fisher & Paykel Limited Humidifier with delivery tube condensation preventing structure and control
GB2297914A (en) * 1995-02-16 1996-08-21 Smiths Industries Plc Humidifier system with humidity sensor
US5769071A (en) * 1995-02-16 1998-06-23 Smiths Industries Plc Humidifier systems
GB2297914B (en) * 1995-02-16 1999-02-10 Smiths Industries Plc Humidifier systems
US6135432A (en) * 1995-06-08 2000-10-24 Resmed Limited Humidifier
US5896857A (en) 1996-12-20 1999-04-27 Resmed Limited Valve for use in a gas delivery system
US6336454B1 (en) 1997-05-16 2002-01-08 Resmed Limited Nasal ventilation as a treatment for stroke
US6776155B2 (en) 1997-05-16 2004-08-17 Resmed Limited Nasal ventilation as a treatment for stroke
EP1647297A2 (en) 1997-06-17 2006-04-19 Fisher & Paykel Healthcare Limited Respiratory humidification system
CN101306217B (zh) * 1997-06-17 2012-02-22 菲舍尔和佩克尔保健有限公司 呼吸系统加湿器
US9186477B2 (en) 1997-06-17 2015-11-17 Fisher & Paykel Healthcare Limited Humidity controller
USRE40806E1 (en) 1997-06-17 2009-06-30 Fisher & Paykel Healthcare Limited Respiratory humidification system
EP1634614A3 (en) * 1997-06-17 2008-08-27 Fisher & Paykel Healthcare Limited Respiratory humidification system
US6584972B2 (en) 1997-06-17 2003-07-01 Fisher & Paykel Limited Respiratory humidification system
EP1329240A1 (en) * 1997-06-17 2003-07-23 Fischer & Paykel Limited Respiratory humidification system
US6694974B1 (en) 1997-06-17 2004-02-24 Fisher & Paykel Limited Respiratory humidification system
EP2258432A3 (en) * 1997-06-17 2016-05-11 Fisher & Paykel Healthcare Limited Respiratory humidification system
US6802314B2 (en) 1997-06-17 2004-10-12 Fisher & Paykel Limited Respiratory humidification system
EP0885623A3 (en) * 1997-06-17 2000-05-03 FISHER & PAYKEL LIMITED Respiratory humidification system
US7962018B2 (en) 1997-06-17 2011-06-14 Fisher & Paykel Healthcare Limited Humidity controller
EP1514570A3 (en) * 1997-06-17 2005-03-30 Fisher & Paykel Healthcare Limited Respiratory humidification system
CN101306219B (zh) * 1997-06-17 2011-03-23 菲舍尔和佩克尔保健有限公司 呼吸系统加湿器
US10130787B2 (en) 1997-06-17 2018-11-20 Fisher & Paykel Healthcare Limited Humidity controller
US7051733B2 (en) 1997-06-17 2006-05-30 Fisher & Paykel Healthcare Limited Respiratory humidification system
EP2143459A1 (en) * 1997-06-17 2010-01-13 Fisher & Paykel Healthcare Limited Respiratory humidification system
USRE39724E1 (en) 1997-06-17 2007-07-17 Fisher & Paykel Healthcare Limited Respiratory humidification system
US7263994B2 (en) 1997-06-17 2007-09-04 Fisher & Paykel Healthcare Limited Respiratory humidification system
EP1647297A3 (en) * 1997-06-17 2009-10-07 Fisher & Paykel Healthcare Limited Respiratory humidification system
US6397841B1 (en) 1997-06-18 2002-06-04 Resmed Limited Apparatus for supplying breathable gas
USD419658S (en) 1998-08-28 2000-01-25 Resmed Limited Humidifier
US7290544B1 (en) 1998-12-08 2007-11-06 Ge Healthcare Finland Oy Arrangement in connection with feedback control system
US6892726B1 (en) 1998-12-08 2005-05-17 Instrumentarium Corp. Arrangement in connection with equipment used in patient care
WO2000033904A1 (en) * 1998-12-08 2000-06-15 Instrumentarum Corporation Arrangement in connection with feedback control system
WO2000033903A1 (en) * 1998-12-08 2000-06-15 Instrumentarium Corporation Arrangement in connection with equipment used in patient care
US7106955B2 (en) 1999-08-23 2006-09-12 Fisher & Paykel Healthcare Limited Humidity controller
WO2001013981A1 (en) * 1999-08-23 2001-03-01 Fisher & Paykel Healthcare Limited Humidity controller
EP3766534A1 (en) * 2004-08-20 2021-01-20 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient
US11911564B2 (en) 2004-08-20 2024-02-27 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient
US11679224B2 (en) 2004-08-20 2023-06-20 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient
EP4049703A1 (en) * 2004-08-20 2022-08-31 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient
FR2875138A1 (fr) * 2004-09-15 2006-03-17 Mallinckrodt Dev France Sa Procede de regulation pour un humidificateur chauffant
US9084865B2 (en) 2004-09-15 2015-07-21 Covidien Ag System and method for regulating a heating humidifier
WO2006029876A1 (en) * 2004-09-15 2006-03-23 Mallinckrodt Developpement France Humidifier including a device for regulating the degree of humidification of the air flow
US12420038B2 (en) 2012-05-23 2025-09-23 Fisher & Paykel Healthcare Limited Flow path fault detection method for a respiratory assistance apparatus
CN109091730A (zh) * 2017-06-21 2018-12-28 新乡学院 便携式雾化装置

Also Published As

Publication number Publication date
SE7210677L (sv) 1973-02-20
FR2149581A1 (enrdf_load_stackoverflow) 1973-03-30
DE2240659A1 (de) 1973-03-01
JPS4829298A (enrdf_load_stackoverflow) 1973-04-18
NL7211140A (enrdf_load_stackoverflow) 1973-02-21

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees