GB1294809A - Gas humidifier for a medical respirator - Google Patents

Gas humidifier for a medical respirator

Info

Publication number
GB1294809A
GB1294809A GB39406/71A GB3940671A GB1294809A GB 1294809 A GB1294809 A GB 1294809A GB 39406/71 A GB39406/71 A GB 39406/71A GB 3940671 A GB3940671 A GB 3940671A GB 1294809 A GB1294809 A GB 1294809A
Authority
GB
United Kingdom
Prior art keywords
level
chamber
water
gas
float
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
GB39406/71A
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 Electronics UK 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 Electronics UK Ltd filed Critical Philips Electronics UK Ltd
Priority to GB39406/71A priority Critical patent/GB1294809A/en
Publication of GB1294809A publication Critical patent/GB1294809A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • A61M16/162Water-reservoir filling system, e.g. automatic
    • A61M16/164Water-reservoir filling system, e.g. automatic including a liquid inlet valve system
    • A61M16/165Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator
    • A61M16/167Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator acting vertically on the valve

Abstract

1294809 Gas humidifiers PHILIPS ELECTRONICS & ASSOCIATED INDUSTRIES Ltd 23 Aug 1971 39406/71 Heading AST [Also in Division B1] A gas humidifier for a medical ventilator comprises a water supply chamber 1 having level maintaining means arranged to maintain the surface of water in the supply chamber at a predetermined level 4, and a vaporisation chamber 2 through which gas may be passed via an inlet 11 and an outlet 12, the two chambers being interconnected by a passage 3 below the water level 4 and by an air connection 10 above the level 4 so that the water level in the chamber 2 is the same as that in the chamber 1. The level-maintaining means comprises a water reservoir 5 connected to the chamber 1 via a pipe 6, and a needle valve comprising a needle 8 mounted on a float 9. An overflow outlet 16 is provided which is normally closed by a valve 17 hinged at 18 and connected to a float 19.
GB39406/71A 1971-08-23 1971-08-23 Gas humidifier for a medical respirator Expired GB1294809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB39406/71A GB1294809A (en) 1971-08-23 1971-08-23 Gas humidifier for a medical respirator

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB39406/71A GB1294809A (en) 1971-08-23 1971-08-23 Gas humidifier for a medical respirator
NL7211379A NL7211379A (en) 1971-08-23 1972-08-18
DE2240904A DE2240904A1 (en) 1971-08-23 1972-08-19 Gas humidifier for ventilator
JP47082878A JPS4831788A (en) 1971-08-23 1972-08-21
FR7229918A FR2150429A1 (en) 1971-08-23 1972-08-22

Publications (1)

Publication Number Publication Date
GB1294809A true GB1294809A (en) 1972-11-01

Family

ID=10409377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39406/71A Expired GB1294809A (en) 1971-08-23 1971-08-23 Gas humidifier for a medical respirator

Country Status (5)

Country Link
JP (1) JPS4831788A (en)
DE (1) DE2240904A1 (en)
FR (1) FR2150429A1 (en)
GB (1) GB1294809A (en)
NL (1) NL7211379A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201204A (en) * 1977-01-24 1980-05-06 Dragerwerk Aktiengesellschaft Breathing gas humidifier
WO1986002566A1 (en) * 1984-11-01 1986-05-09 Bear Medical Systems, Inc. Humidifier system for breathing air
EP0326174A2 (en) * 1988-01-28 1989-08-02 Omron Tateisi Electronics Co. Improved steam inhaler
EP1927374A3 (en) * 2002-09-18 2009-01-21 Medex Cardio-Pulmonary, Inc. Apparatus for equalising pressure in an air respiratory system
WO2010099792A3 (en) * 2009-03-03 2010-11-11 Seleon Gmbh Evaporation chamber, intermediate chamber, and method
CN104548308A (en) * 2015-01-09 2015-04-29 北京怡和嘉业医疗科技有限公司 Humidifying device, humidifier and respirator
US20170197042A1 (en) * 2014-05-28 2017-07-13 Metran Co., Ltd. Humidifying device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1448474A (en) * 1972-09-13 1976-09-08 Grant G C Humidification tank assembly for a medical humidifier
DE2336045C3 (en) * 1973-07-14 1982-09-30 Draegerwerk Ag, 2400 Luebeck, De
CH576791A5 (en) * 1974-03-28 1976-06-30 Hoffmann La Roche
JPS5717544Y2 (en) * 1976-08-10 1982-04-13
DE2703892C2 (en) * 1977-01-31 1982-09-23 Draegerwerk Ag, 2400 Luebeck, De
US4153735A (en) * 1977-11-01 1979-05-08 Uniscope, Inc. Lubricant-binder additive for densifying animal feed material
DE202006011754U1 (en) * 2006-07-28 2007-12-06 GRÜNDLER GmbH Device for condensate avoidance

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201204A (en) * 1977-01-24 1980-05-06 Dragerwerk Aktiengesellschaft Breathing gas humidifier
WO1986002566A1 (en) * 1984-11-01 1986-05-09 Bear Medical Systems, Inc. Humidifier system for breathing air
EP0326174A2 (en) * 1988-01-28 1989-08-02 Omron Tateisi Electronics Co. Improved steam inhaler
EP0326174A3 (en) * 1988-01-28 1989-12-27 Omron Tateisi Electronics Co. Improved steam inhaler
EP1927374A3 (en) * 2002-09-18 2009-01-21 Medex Cardio-Pulmonary, Inc. Apparatus for equalising pressure in an air respiratory system
WO2010099792A3 (en) * 2009-03-03 2010-11-11 Seleon Gmbh Evaporation chamber, intermediate chamber, and method
US20170197042A1 (en) * 2014-05-28 2017-07-13 Metran Co., Ltd. Humidifying device
CN104548308A (en) * 2015-01-09 2015-04-29 北京怡和嘉业医疗科技有限公司 Humidifying device, humidifier and respirator
CN104548308B (en) * 2015-01-09 2019-03-12 北京怡和嘉业医疗科技股份有限公司 A kind of humidifier, humidification machine and ventilator

Also Published As

Publication number Publication date
NL7211379A (en) 1973-02-27
FR2150429A1 (en) 1973-04-06
JPS4831788A (en) 1973-04-26
DE2240904A1 (en) 1973-03-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee