PL2219720T3 - Nawilżacz oddechowy - Google Patents

Nawilżacz oddechowy

Info

Publication number
PL2219720T3
PL2219720T3 PL08839634T PL08839634T PL2219720T3 PL 2219720 T3 PL2219720 T3 PL 2219720T3 PL 08839634 T PL08839634 T PL 08839634T PL 08839634 T PL08839634 T PL 08839634T PL 2219720 T3 PL2219720 T3 PL 2219720T3
Authority
PL
Poland
Prior art keywords
humidification system
respiratory humidification
respiratory
humidification
Prior art date
Application number
PL08839634T
Other languages
English (en)
Inventor
Walter A. Nichols
Christopher S. Tucker
Amit Limaye
Original Assignee
Philip Morris Products S.A.
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 Philip Morris Products S.A. filed Critical Philip Morris Products S.A.
Publication of PL2219720T3 publication Critical patent/PL2219720T3/pl

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. ventilators; 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
    • 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
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/006Sprayers or atomisers specially adapted for therapeutic purposes operated by applying mechanical pressure to the liquid to be sprayed or atomised
    • A61M11/007Syringe-type or piston-type sprayers or atomisers
    • 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
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • A61M11/041Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
    • A61M11/042Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters electrical
    • 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. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • 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. ventilators; 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
    • A61M16/147Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase the respiratory gas not passing through the liquid container
    • 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. ventilators; 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
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/75General characteristics of the apparatus with filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (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)
  • Pulmonology (AREA)
  • Mechanical Engineering (AREA)
  • Air Humidification (AREA)
  • Nozzles (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
PL08839634T 2007-10-19 2008-10-20 Nawilżacz oddechowy PL2219720T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96090807P 2007-10-19 2007-10-19
PCT/EP2008/008860 WO2009049909A2 (en) 2007-10-19 2008-10-20 Respiratory humidification system
EP08839634.6A EP2219720B1 (en) 2007-10-19 2008-10-20 Respiratory humidification system

Publications (1)

Publication Number Publication Date
PL2219720T3 true PL2219720T3 (pl) 2018-06-29

Family

ID=40282216

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08839634T PL2219720T3 (pl) 2007-10-19 2008-10-20 Nawilżacz oddechowy

Country Status (14)

Country Link
US (3) US8052127B2 (pl)
EP (1) EP2219720B1 (pl)
JP (1) JP5642550B2 (pl)
KR (1) KR101520515B1 (pl)
CN (1) CN101868277B (pl)
AU (1) AU2008314043B2 (pl)
BR (1) BRPI0817968B8 (pl)
CA (1) CA2702993C (pl)
ES (1) ES2660047T3 (pl)
MX (1) MX2010004241A (pl)
PL (1) PL2219720T3 (pl)
PT (1) PT2219720T (pl)
TR (1) TR201802166T4 (pl)
WO (1) WO2009049909A2 (pl)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2010260A1 (en) 2006-04-10 2009-01-07 AEIOMed, Inc. Apparatus and methods for providing humidity in respiratory therapy
US8052127B2 (en) * 2007-10-19 2011-11-08 Philip Morris Usa Inc. Respiratory humidification system
DE102010016783A1 (de) * 2010-05-04 2011-11-10 Wik Far East Ltd. Verfahren zum Behandeln eines menschlichen Körperteils mit Dampf sowie Vaporisator zum Applizieren von Dampf an ein menschliches Körperteil
US9314582B2 (en) * 2010-11-23 2016-04-19 Carefusion 2200, Inc. Humidification system
WO2012100291A1 (en) * 2011-01-24 2012-08-02 Resmed Limited Humidifier
US8844533B2 (en) 2011-06-22 2014-09-30 Breathe Technologies, Inc. Ventilation mask with integrated piloted exhalation valve
US9486602B2 (en) 2011-06-22 2016-11-08 Breathe Technologies, Inc. Ventilation mask with integrated piloted exhalation valve and method of ventilating a patient using the same
US9038634B2 (en) 2011-06-22 2015-05-26 Breathe Technologies, Inc. Ventilation mask with integrated piloted exhalation valve
US10434204B2 (en) 2011-07-15 2019-10-08 Soclean, Inc. Technologies for sanitizing mist humidifiers
US9669124B2 (en) * 2011-07-15 2017-06-06 Soclean, Inc. Devices, systems and methods for treating multiple medical devices having passageways with ozone gas
CN107137733B (zh) * 2011-07-15 2021-02-05 速克粼股份有限公司 用于对持续正压通气设备进行臭氧消毒的系统
WO2015171730A1 (en) 2014-05-06 2015-11-12 Inceptus, Inc. Devices, systems and methods for ozone sanitization of continuous positive airway pressure devices
US10427961B2 (en) 2011-07-15 2019-10-01 Soclean, Inc. Technologies for sanitizing reservoirs
US10485888B2 (en) 2011-07-15 2019-11-26 Soclean, Inc. Devices, systems and methods for treating multiple medical devices having passageways with ozone gas
DE202011051738U1 (de) * 2011-10-24 2013-01-28 Wik Far East Ltd. Vaporisator zum Applizieren von Dampf an ein menschliches Körperteil
WO2013061288A1 (en) * 2011-10-28 2013-05-02 Koninklijke Philips Electronics N.V. Thermal cooler & dehumidifier for exhalation path in ventilator system
US20140315175A1 (en) * 2012-01-24 2014-10-23 Pulmonx Corporation System for simulating lung function
US9326547B2 (en) 2012-01-31 2016-05-03 Altria Client Services Llc Electronic vaping article
AU2013228116B2 (en) * 2012-03-06 2017-09-14 Mondiale Technologies Limited Sterilization and humidification apparatus and incubator
WO2013162612A1 (en) * 2012-04-27 2013-10-31 Draeger Medical Systems, Inc. Breathing circuit humidification system
US9713687B2 (en) 2012-08-21 2017-07-25 Philip Morris Usa Inc. Ventilator aerosol delivery system with transition adapter for introducing carrier gas
TWI574789B (zh) * 2012-11-13 2017-03-21 氣體產品及化學品股份公司 漿料供應及/或化學品摻合物供應設備、方法、使用方法及製造方法
CN102989077B (zh) * 2012-12-13 2014-12-24 王路维 一种湿化率可调无噪音氧气湿化装置
US9878121B2 (en) 2013-03-13 2018-01-30 Breathe Technologies, Inc. Ventilation mask with heat and moisture exchange device
US9770804B2 (en) 2013-03-18 2017-09-26 Versum Materials Us, Llc Slurry supply and/or chemical blend supply apparatuses, processes, methods of use and methods of manufacture
EP3622993B8 (en) * 2013-09-13 2021-08-25 Fisher & Paykel Healthcare Limited Heater base having a guard to control the movement of a humidification chamber
US20150165146A1 (en) 2013-12-17 2015-06-18 Bruce Bowman Humidification system and positive airway pressure apparatus incorporating same
JP6131340B2 (ja) * 2014-01-29 2017-05-17 日本たばこ産業株式会社 非燃焼型香味吸引器
WO2016028525A1 (en) 2014-08-18 2016-02-25 Hancock Medical, Inc. Portable pap device with humidification
WO2016036260A1 (en) 2014-09-03 2016-03-10 Fisher & Paykel Healthcare Limited Deterministically controlled humidification system
CN105498062A (zh) * 2014-10-09 2016-04-20 台达电子工业股份有限公司 用于呼吸面罩的加湿装置
US20180180322A1 (en) * 2015-02-05 2018-06-28 Giorgio TORCHIO Capillary Proximity Heater
US20210172650A1 (en) * 2015-02-05 2021-06-10 Giorgio TORCHIO Capillary Proximity Heater
JP6563218B2 (ja) 2015-03-13 2019-08-21 ユニ・チャーム株式会社 ペットフードの製造方法
WO2016176284A1 (en) 2015-04-27 2016-11-03 Teleflex Medical Incorporated Humidification device
JP7014717B2 (ja) * 2015-09-09 2022-02-01 フィッシャー アンド ペイケル ヘルスケア リミテッド 呼吸回路用の区域加熱
JP6918806B2 (ja) * 2016-01-08 2021-08-11 ティーエスアイ インコーポレイテッド ウェアラブル・マスク・フィット・モニタ
USD802788S1 (en) 2016-04-28 2017-11-14 Soclean, Inc. Ozone treatment device with open lid
USD819190S1 (en) 2016-04-28 2018-05-29 Soclean, Inc. Ozone treatment device
JP2019518520A (ja) 2016-05-19 2019-07-04 ハンコック メディカル, インコーポレイテッド 位置閉塞性睡眠時無呼吸検出システム
EP3532139A4 (en) 2016-10-26 2020-09-23 Teleflex Medical Incorporated PATIENT ON-DEMAND HUMIDIFICATION SYSTEM AND METHOD
US10874818B2 (en) * 2016-12-29 2020-12-29 Philip Morris Usa Inc. Aerosol delivery system
CN108619604A (zh) * 2017-03-21 2018-10-09 小牛科技河北有限公司 一种能够使雾化量随呼吸流量的变化而变化的控制方法
JP7263261B2 (ja) * 2017-06-08 2023-04-24 ケース ウエスタン リザーブ ユニバーシティ 制御された濃度で送達を行うための気化システム
US20190201651A1 (en) * 2017-12-29 2019-07-04 Koninklijke Philips N.V. Humidifier start-up method and system employing same
EP3586897A1 (en) 2018-06-29 2020-01-01 Koninklijke Philips N.V. Humidifier for a system for providing a flow of breathable gas
JP6969687B2 (ja) * 2018-08-22 2021-11-24 株式会社村田製作所 加湿装置およびこれを備えた呼吸器用加湿送風装置
WO2020191194A1 (en) 2019-03-19 2020-09-24 Soclean, Inc. Technologies for sanitizing medical devices
JP2022538672A (ja) * 2019-07-03 2022-09-05 エアージャ・インコーポレイテッド エアロゾル送達装置およびその使用方法
US11998681B2 (en) 2019-07-03 2024-06-04 Airja, Inc. Aerosol delivery devices and methods of using same
NL2028916B1 (nl) * 2021-08-03 2023-02-17 Medspray Humidification B V Beademingsinrichting en een daarvoor bestemde beademingsset
US12064527B2 (en) 2022-09-16 2024-08-20 Soclean, Inc. Disinfection systems and methods
US12280170B2 (en) 2022-09-16 2025-04-22 Soclean, Inc. Disinfection systems and methods
EP4644522A1 (de) * 2024-04-29 2025-11-05 Eppendorf SE Verdampfervorrichtung für einen inkubator, inkubator und verfahren

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2529050C2 (de) * 1975-06-30 1983-01-05 Drägerwerk AG, 2400 Lübeck Feuchtigkeitsaustauscher in Geräten für Atmung und Narkose
US4121583A (en) * 1976-07-13 1978-10-24 Wen Yuan Chen Method and apparatus for alleviating asthma attacks
US4172105A (en) * 1979-02-15 1979-10-23 Respiratory Care, Inc. Pediatric cartridge humidifier
US4532088A (en) * 1983-05-19 1985-07-30 Inspiron Corporation Heated respiratory therapy humidifier
US5462646A (en) * 1993-09-29 1995-10-31 Beckman Instruments, Inc. Coated capillary columns and electrophoretic separation methods for their use
US5407604A (en) * 1994-01-26 1995-04-18 Luffman; Douglas Humidifier using a neubilizer
IL114154A0 (en) * 1994-06-17 1995-10-31 Trudell Medical Ltd Nebulizing catheter system and methods of use and manufacture
EP0799141B1 (en) * 1994-12-23 1999-08-04 AlliedSignal Inc. A filtration device using absorption for the removal of gas phase contaminants
US5829428A (en) * 1996-05-29 1998-11-03 Alliance Pharmaceutical Corp. Methods and apparatus for reducing the loss of respiratory promoters
JPH1028737A (ja) * 1996-07-16 1998-02-03 Metoran:Kk 加湿調整ユニット、人工呼吸器用加湿器及び加湿調整ユニットの製造方法
US6014890A (en) * 1996-09-25 2000-01-18 Breen; Peter H. Fast response humidity and temperature sensor device
CA2617287C (en) * 1997-06-17 2011-11-15 Fisher & Paykel Healthcare Limited Respiratory humidification system
DE19808590C2 (de) 1998-02-28 2003-03-20 Draeger Medical Ag Beatmungsanfeuchter
US6095505A (en) 1998-07-15 2000-08-01 Pegasus Research Corporation Patient-end humidifier
US6234167B1 (en) 1998-10-14 2001-05-22 Chrysalis Technologies, Incorporated Aerosol generator and methods of making and using an aerosol generator
US6601776B1 (en) 1999-09-22 2003-08-05 Microcoating Technologies, Inc. Liquid atomization methods and devices
EP1147729B1 (de) * 2000-04-22 2004-02-25 Eugster/Frismag AG Einspritzdampferzeuger für Kleingeräte
MY136453A (en) 2000-04-27 2008-10-31 Philip Morris Usa Inc "improved method and apparatus for generating an aerosol"
US6501052B2 (en) 2000-12-22 2002-12-31 Chrysalis Technologies Incorporated Aerosol generator having multiple heating zones and methods of use thereof
US6799572B2 (en) 2000-12-22 2004-10-05 Chrysalis Technologies Incorporated Disposable aerosol generator system and methods for administering the aerosol
US7077130B2 (en) 2000-12-22 2006-07-18 Chrysalis Technologies Incorporated Disposable inhaler system
US6701921B2 (en) 2000-12-22 2004-03-09 Chrysalis Technologies Incorporated Aerosol generator having heater in multilayered composite and method of use thereof
US6491233B2 (en) 2000-12-22 2002-12-10 Chrysalis Technologies Incorporated Vapor driven aerosol generator and method of use thereof
ES2473591T3 (es) * 2001-07-31 2014-07-07 Philip Morris Products S.A. Método y aparato para generar líquidos volatilizados
US6568390B2 (en) 2001-09-21 2003-05-27 Chrysalis Technologies Incorporated Dual capillary fluid vaporizing device
US6640050B2 (en) 2001-09-21 2003-10-28 Chrysalis Technologies Incorporated Fluid vaporizing device having controlled temperature profile heater/capillary tube
US6804458B2 (en) 2001-12-06 2004-10-12 Chrysalis Technologies Incorporated Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate
US6871792B2 (en) * 2002-03-22 2005-03-29 Chrysalis Technologies Incorporated Apparatus and method for preparing and delivering fuel
JP2005527305A (ja) * 2002-05-29 2005-09-15 アントニー,ジャン−ミッシェル 医療用ガス調整装置
ES2357566T3 (es) * 2002-09-06 2011-04-27 Philip Morris Usa Inc. Dispositivos generadores de aerosol y métodos para generar aerosoles con tamaños de partículas controlados.
US7066452B2 (en) * 2002-10-11 2006-06-27 Honeywell International Inc. Humidifier with reverse osmosis filter
US6772757B2 (en) * 2002-10-25 2004-08-10 Chrysalis Technologies Incorporated Concentric controlled temperature profile fluid vaporizing device
DE10251134A1 (de) 2002-10-31 2004-05-19 GRÜNDLER GmbH Beatmungsvorrichtung und Verfahren
US7159507B2 (en) 2003-12-23 2007-01-09 Philip Morris Usa Inc. Piston pump useful for aerosol generation
EP1745247B1 (en) * 2004-04-23 2015-11-11 Philip Morris Products S.a.s. Aerosol generators and methods for producing aerosols
US7525663B2 (en) * 2004-08-20 2009-04-28 Resmed Limited Method and apparatus for humidification of breathable gas by condensation and/or dehumidification
CN102060268A (zh) * 2005-03-29 2011-05-18 卡西欧计算机株式会社 蒸发装置以及液体吸收件
AU2006320622B2 (en) * 2005-12-01 2012-02-16 Hydrate, Inc. Inline vaporizer
US7730568B2 (en) * 2006-06-09 2010-06-08 Whirlpool Corporation Removal of scale and sludge in a steam generator of a fabric treatment appliance
US7518123B2 (en) * 2006-09-25 2009-04-14 Philip Morris Usa Inc. Heat capacitor for capillary aerosol generator
EP3372266B1 (en) * 2006-10-02 2020-01-01 Philip Morris Products S.a.s. Continuous high pressure delivery system
MX2010003438A (es) * 2007-10-02 2010-04-21 Philip Morris Prod Sistema capilar con elemento fluidico.
US8052127B2 (en) * 2007-10-19 2011-11-08 Philip Morris Usa Inc. Respiratory humidification system

Also Published As

Publication number Publication date
AU2008314043A1 (en) 2009-04-23
EP2219720B1 (en) 2018-01-24
US8052127B2 (en) 2011-11-08
KR20100101080A (ko) 2010-09-16
CN101868277A (zh) 2010-10-20
US8282084B2 (en) 2012-10-09
EP2219720A2 (en) 2010-08-25
KR101520515B1 (ko) 2015-05-14
US20090267242A1 (en) 2009-10-29
US8662479B2 (en) 2014-03-04
CA2702993A1 (en) 2009-04-23
JP2011500182A (ja) 2011-01-06
BRPI0817968B8 (pt) 2021-06-22
BRPI0817968B1 (pt) 2019-04-30
US20120006324A1 (en) 2012-01-12
CN101868277B (zh) 2015-06-17
WO2009049909A2 (en) 2009-04-23
WO2009049909A3 (en) 2009-07-23
CA2702993C (en) 2016-08-23
JP5642550B2 (ja) 2014-12-17
AU2008314043B2 (en) 2014-02-27
TR201802166T4 (tr) 2018-03-21
MX2010004241A (es) 2010-05-13
US20130068225A1 (en) 2013-03-21
PT2219720T (pt) 2018-05-08
BRPI0817968A2 (pt) 2015-05-05
ES2660047T3 (es) 2018-03-20

Similar Documents

Publication Publication Date Title
PT2219720T (pt) Sistema respiratório de humidificação
TWI317630B (en) Respiration monitoring system
EP2114500B8 (en) Respiratory mask
ZA201003949B (en) Respiratory half mask
AU330142S (en) Humidifier
EP2255134A4 (en) HUMIDIFIER
ZA200905959B (en) Inhaler
ZA200909172B (en) Inhaler
GB0803674D0 (en) Ventilation system
GB2421691B (en) Respiratory humidifier
EP2364420A4 (en) HUMIDIFY
EP2364419A4 (en) HUMIDIFIER
GB2461170B (en) A breathing system
ZA201001435B (en) Inhaler
AU321242S (en) Inhaler
EP2078534A4 (en) RESPIRATOR SYSTEM
ZA200905327B (en) Air decontamination system
EP2389546A4 (en) HUMIDIFIERS
AU310045S (en) Humidifier unit
GB0806648D0 (en) Breathing system
AU315315S (en) Humidifying unit case
GB0705271D0 (en) Tracheostomy devices
GB2441179B (en) Ventilation system
GB0625581D0 (en) Ventilation system
GB2455554B (en) Ventilating system