ZA823655B - Powered air-purifying respirators - Google Patents

Powered air-purifying respirators

Info

Publication number
ZA823655B
ZA823655B ZA823655A ZA823655A ZA823655B ZA 823655 B ZA823655 B ZA 823655B ZA 823655 A ZA823655 A ZA 823655A ZA 823655 A ZA823655 A ZA 823655A ZA 823655 B ZA823655 B ZA 823655B
Authority
ZA
South Africa
Prior art keywords
chamber
air
pump means
sensing
face mask
Prior art date
Application number
ZA823655A
Other languages
English (en)
Inventor
Joseph Raymond Hilton
Original Assignee
Racal Safety 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10522123&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA823655(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Racal Safety Ltd filed Critical Racal Safety Ltd
Publication of ZA823655B publication Critical patent/ZA823655B/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/006—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort with pumps for forced ventilation
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • 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. mouth-to-mouth respiration; 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
ZA823655A 1981-05-29 1982-05-26 Powered air-purifying respirators ZA823655B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8116424 1981-05-29

Publications (1)

Publication Number Publication Date
ZA823655B true ZA823655B (en) 1983-03-30

Family

ID=10522123

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA823655A ZA823655B (en) 1981-05-29 1982-05-26 Powered air-purifying respirators

Country Status (8)

Country Link
US (1) US4430995A (ja)
EP (1) EP0066451B1 (ja)
JP (1) JPS5829468A (ja)
AT (1) ATE14988T1 (ja)
AU (1) AU548392B2 (ja)
DE (1) DE3265597D1 (ja)
GB (1) GB2099709B (ja)
ZA (1) ZA823655B (ja)

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU554194B2 (en) * 1982-05-13 1986-08-14 Minnesota Mining And Manufacturing Company Respirator
DE3471008D1 (en) * 1983-06-07 1988-06-16 Racal Safety Ltd Improvements in and relating to breathing apparatus
JPS6058148U (ja) * 1983-09-29 1985-04-23 興研株式会社 電動ファン付呼吸保護具
FR2554351B1 (fr) * 1983-11-09 1987-03-20 Sardou Max Procede d'assistance respiratoire et respirateur ambulatoire notamment pour insuffisance respiratoire grave
DE3429345A1 (de) * 1983-12-09 1985-06-13 Drägerwerk AG, 2400 Lübeck Kreislaufatemschutzgeraet fuer ueberdruckbetrieb
US4574798A (en) * 1983-12-12 1986-03-11 Heitzman William G Surgical appliance support
DE3400505A1 (de) * 1984-01-10 1985-07-18 Drägerwerk AG, 2400 Lübeck Atemschutzgeraet mit schutzhaube
DE3523097A1 (de) * 1984-11-15 1986-05-22 Gesellschaft für Gerätebau mbH, 4600 Dortmund Atemschutzmaske
DE3546673C2 (en) * 1984-11-15 1991-08-29 Gesellschaft Fuer Geraetebau Mbh, 4600 Dortmund, De Plastic foil respirator
WO1986006643A1 (en) * 1985-05-04 1986-11-20 Protector Safety Limited Respirators
WO1988010108A1 (en) * 1987-06-26 1988-12-29 Travenol Centre For Medical Research Device for monitoring breathing during sleep and control of cpap treatment
US5199424A (en) 1987-06-26 1993-04-06 Sullivan Colin E Device for monitoring breathing during sleep and control of CPAP treatment that is patient controlled
US5522382A (en) 1987-06-26 1996-06-04 Rescare Limited Device and method for treating obstructed breathing having a delay/ramp feature
FI80606C (fi) * 1987-10-05 1990-07-10 Kemira Oy Foerfarande foer reglering av luftmaongden som matas in i en gasmask samt en gasmask som genomfoer denna foerfarande.
AT393086B (de) * 1989-01-16 1991-08-12 Haager Volker Geraet zur belueftung von schutzanzuegen
GB2215615B (en) * 1988-03-21 1991-12-18 Sabre Safety Ltd Breathing apparatus
GB2221164B (en) * 1988-07-26 1992-02-12 Racal Safety Ltd Breathing apparatus
US4899740A (en) * 1989-01-17 1990-02-13 E. D. Bullard Company Respirator system for use with a hood or face mask
GB2235136A (en) * 1989-08-18 1991-02-27 Sabre Safety Ltd Positive pressure breathing apparatus
CH679122A5 (ja) * 1989-09-29 1991-12-31 Micronel Ag
IT1242014B (it) * 1990-11-15 1994-02-02 Memc Electronic Materials Procedimento per il trattamento di fette di silicio per ottenere in esse profili di precipitazione controllati per la produzione di componenti elettronici.
FR2673380B1 (fr) * 1991-02-28 1993-06-18 Intertechnique Sa Equipement respiratoire individuel de protection.
FR2680467B1 (fr) * 1991-08-21 1997-04-04 Intertechnique Sa Equipement de protection respiratoire contre les polluants.
EP1149603A3 (en) 1991-12-20 2003-10-22 Resmed Limited Ventilator for continuous positive airway pressure breathing (CPAP)
US5372130A (en) * 1992-02-26 1994-12-13 Djs&T Limited Partnership Face mask assembly and method having a fan and replaceable filter
DE4207533C2 (de) * 1992-03-10 1994-03-31 Draegerwerk Ag Atemschutzgerät mit Atemluftrückführung
US5401669A (en) * 1993-05-13 1995-03-28 Memc Electronic Materials, Spa Process for the preparation of silicon wafers having controlled distribution of oxygen precipitate nucleation centers
FR2705899A1 (fr) * 1993-06-01 1994-12-09 Schegerin Robert Equipement de protection physiologique contre les produits toxiques comprenant un système de ventilation optimisé.
FR2709066A1 (fr) * 1993-08-20 1995-02-24 Schegerin Robert Equipement de protection physiologique contre les produits toxiques comprenant un système de ventilation régulé en fonction du débit et de la pression.
US6675797B1 (en) 1993-11-05 2004-01-13 Resmed Limited Determination of patency of the airway
DE69422900T2 (de) 1993-12-01 2000-06-08 Resmed Ltd., North Ryde Vorrichtung zur Erzeugung eines kontinuierlichen positiven Atemwegdruckes (CPAP)
US6237593B1 (en) 1993-12-03 2001-05-29 Resmed Limited Estimation of flow and detection of breathing CPAP treatment
AUPM279393A0 (en) * 1993-12-03 1994-01-06 Rescare Limited Estimation of flow and detection of breathing in cpap treatment
AU729528B2 (en) * 1994-08-01 2001-02-01 Safety Equipment Sweden Ab Breathing apparatus
US5598838A (en) * 1995-04-07 1997-02-04 Healthdyne Technologies, Inc. Pressure support ventilatory assist system
US6182657B1 (en) 1995-09-18 2001-02-06 Resmed Limited Pressure control in CPAP treatment or assisted respiration
AUPN973596A0 (en) 1996-05-08 1996-05-30 Resmed Limited Control of delivery pressure in cpap treatment or assisted respiration
AUPO247496A0 (en) 1996-09-23 1996-10-17 Resmed Limited Assisted ventilation to match patient respiratory need
AUPO301796A0 (en) 1996-10-16 1996-11-07 Resmed Limited A vent valve apparatus
AUPO511397A0 (en) * 1997-02-14 1997-04-11 Resmed Limited An apparatus for varying the flow area of a conduit
US6119689A (en) * 1997-02-18 2000-09-19 Korman; David J. Personal air filtering and delivery systems
WO1998051362A1 (en) 1997-05-16 1998-11-19 Peter Craig Farrell Nasal ventilation as a treatment for stroke
FR2764200B1 (fr) * 1997-06-10 1999-08-20 Intertechnique Sa Dispositif de protection contre l'hypoxie, utilisable en environnement hostile
AUPO742297A0 (en) 1997-06-18 1997-07-10 Resmed Limited An apparatus for supplying breathable gas
US6382208B2 (en) 1998-11-02 2002-05-07 Board Of Regents University Of Nebraska System for controlling the internal temperature of a respirator
US6257235B1 (en) 1999-05-28 2001-07-10 Kimberly-Clark Worldwide, Inc. Face mask with fan attachment
GB0019291D0 (en) * 2000-08-07 2000-09-27 Secr Defence Respirators
FR2826282B1 (fr) * 2001-06-22 2004-05-28 Taema Appareil respiratoire avec turbine a pression stabilisee, turbine et procede associes
JP3726886B2 (ja) * 2001-06-29 2005-12-14 興研株式会社 呼吸装置
US6834646B2 (en) * 2001-12-19 2004-12-28 Testa Technologies T.T. Ltd. Respiratory hood
FR2838974B1 (fr) 2002-04-29 2004-07-30 Robert Schegerin Vetement de protection ventile et optimise pour la protection et le confort thermique
US20040182394A1 (en) * 2003-03-21 2004-09-23 Alvey Jeffrey Arthur Powered air purifying respirator system and self contained breathing apparatus
US20060048777A1 (en) * 2003-03-21 2006-03-09 Interspiro, Inc. Apparatus and method for providing breathable air and bodily protection in a contaminated environment
US7647927B2 (en) 2003-08-22 2010-01-19 Wilcox Industries Corp. Self-contained breathing system
CN102309807A (zh) * 2003-09-25 2012-01-11 雷斯梅德有限公司 呼吸机面罩及其系统
WO2005097248A1 (en) * 2004-04-05 2005-10-20 Breas Medical Ab Control valve for a ventilator
US20050217672A1 (en) * 2004-04-05 2005-10-06 Staffan Bengtsson Combined gas flow generator & control valve housing in a ventilator
US8479727B2 (en) * 2004-05-04 2013-07-09 The United States Of America As Represented By The Secretary Of The Army Enhanced chemical/biological respiratory protection system
US7195014B2 (en) * 2005-03-22 2007-03-27 Hoffman Laboratories, Llc Portable continuous positive airway pressure system
US7832396B2 (en) * 2005-06-10 2010-11-16 Radium Incorporated High air flow powered air purifying anti-contamination device
US20070163600A1 (en) * 2006-01-11 2007-07-19 Leslie Hoffman User interface and head gear for a continuous positive airway pressure device
CN101466429A (zh) 2006-04-10 2009-06-24 艾伊欧麦德有限公司 用于进行气道正压治疗的设备和方法
US7516743B2 (en) * 2006-04-20 2009-04-14 Viasys Sleep Systems, Llc Continuous positive airway pressure device and configuration for employing same
WO2007124108A2 (en) * 2006-04-21 2007-11-01 Cardinal Health 205, Inc. Self-contained respiratory therapy apparatus for enhanced patient compliance and therapeutic efficacy
WO2008028247A1 (en) 2006-09-07 2008-03-13 Resmed Ltd Mask and flow generator system
US20090078255A1 (en) * 2007-09-21 2009-03-26 Bowman Bruce R Methods for pressure regulation in positive pressure respiratory therapy
EP3736005B1 (en) 2008-01-31 2024-02-28 ResMed Pty Ltd Respiratory apparatus
WO2010080709A1 (en) 2009-01-08 2010-07-15 Hancock Medical Self-contained, intermittent positive airway pressure systems and methods for treating sleep apnea, snoring, and other respiratory disorders
TW201039882A (en) * 2009-05-05 2010-11-16 Top Vision Medical Equipment Consultant Co Ltd Breathing device connected to air purification device
US10238822B2 (en) 2009-05-29 2019-03-26 Resmed Limited PAP system
JP5848702B2 (ja) * 2009-07-17 2016-01-27 パフテック テクノロジーズ ピーティーワイ リミテッド レスピレータ
EP3388101A1 (en) 2009-08-28 2018-10-17 Resmed Limited Pap system
CN104314843B (zh) 2009-11-19 2018-07-24 瑞思迈发动机及马达技术股份有限公司 鼓风机
GB0921222D0 (en) * 2009-12-03 2010-01-20 Shelford Henry G C Improvements in or relating to breathing apparatus
US8757151B2 (en) * 2010-07-29 2014-06-24 Jsp Limited Headgear-mountable respirator
FR2966839B1 (fr) * 2010-10-27 2012-11-30 Bertin Technologies Sa Dispositif portable de collecte de particules et de microorganismes
US8336546B2 (en) 2011-02-08 2012-12-25 Hancock Medical, Inc. Positive airway pressure system with head control
US8973173B2 (en) 2011-04-04 2015-03-10 Todd E. ELAM Environmental system for motorsports helmets
GB2508184A (en) * 2012-11-22 2014-05-28 3M Innovative Properties Co Powered exhaust apparatus for respiratory device
WO2014117179A1 (en) 2013-01-28 2014-07-31 Hancock Medical, Inc. Position control devices and methods for use with positive airway pressure systems
CN103191505A (zh) * 2013-03-01 2013-07-10 海南卫康制药(潜山)有限公司 便携式空气净化器
EP3071274B1 (en) * 2013-11-20 2019-07-10 Transunit AB Medical ventilator with turbine
US10881829B2 (en) 2014-08-18 2021-01-05 Resmed Inc. Portable pap device with humidification
HUE044199T2 (hu) * 2014-10-10 2019-10-28 Ablynx Nv Inhalációs készülék légúti betegségek aeroszolos terápiájában való alkalmazásra
WO2016112434A1 (en) * 2015-01-14 2016-07-21 Paftec Technologies Pty Ltd Breathing apparatus
US20160236016A1 (en) * 2015-02-12 2016-08-18 Shigematsu Works Co., Ltd. Breathing apparatus
USD776802S1 (en) 2015-03-06 2017-01-17 Hancock Medical, Inc. Positive airway pressure system console
ES2901991T3 (es) * 2016-01-07 2022-03-24 Thi Total Healthcare Innovation Gmbh Dispositivos, sistemas y métodos protectores colocables con control sin contacto
EP3402991B1 (en) * 2016-02-29 2019-10-16 Honeywell International Inc. Thin crossflow blower with stator vanes for a powered air respirator
WO2017201419A1 (en) 2016-05-19 2017-11-23 Hancock Medical, Inc. Positional obstructive sleep apnea detection system
DE102017000054A1 (de) * 2017-01-06 2018-07-12 Drägerwerk AG & Co. KGaA Vorrichtung zur Bereitstellung eines Konstantvolumenstroms oder eines konstanten Beatmungsdrucks
CN109420267A (zh) * 2017-08-22 2019-03-05 研能科技股份有限公司 空气过滤防护器
DE102018100473B4 (de) * 2018-01-10 2021-03-25 Fischer Planning Ltd. Atemschutzvorrichtung
US10782708B2 (en) * 2018-11-07 2020-09-22 International Business Machines Corporation Automatic shutoff continuous positive air pressure system
IL263915B (en) * 2018-12-23 2022-03-01 Beth El Zikhron Yaaqov Ind Ltd Filtration systems
CA3147252A1 (en) 2019-08-20 2021-02-25 Greg A. Tilley Modular, integrated powered air purifying respirator system
CN111214770A (zh) * 2020-02-26 2020-06-02 揭业冰 一种电动正压空气滤净防护的呼吸系统及其方法
US20210299484A1 (en) * 2020-03-26 2021-09-30 Alexander Werjefelt Pathogen Protection Device
TWM604134U (zh) * 2020-06-17 2020-11-21 林永吉 空氣濾清防護裝置及防護衣
TR202009416A2 (tr) * 2020-06-17 2020-07-21 Maltepe Ueniversitesi Teknoloji Transfer Ofisi Anonim Sirketi Dezenfekte hava akişli koruma si̇perli̇kli̇ başlik
US11628318B1 (en) * 2020-07-20 2023-04-18 E.D. Bullard Company Blower assembly for a powered air-purifying respirator
US11896857B2 (en) * 2021-01-14 2024-02-13 Ford Global Technologies, Llc Personal air purifying respirator
JP2024520604A (ja) * 2021-06-03 2024-05-24 ディ・ウィートリー・エンタープライジーズ・インコーポレイテッド モジュール式の調整可能な電動ファン付き呼吸用保護具システム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1308599A (en) * 1919-07-01 Friedrich m
US855046A (en) * 1904-12-17 1907-05-28 Louis Bertram Cousans Starter for blowers.
FR785223A (fr) * 1934-09-21 1935-08-05 Cela Holding S A Appareil portatif de protection contre les gaz
CH202373A (fr) * 1936-06-11 1939-01-15 Bez Casimir Appareil respiratoire.
US2830580A (en) * 1952-10-21 1958-04-15 Saklad Meyer Electronically controlled respiratory apparatus
FR1405058A (fr) * 1964-08-24 1965-07-02 Masque protecteur contre les inhalations d'agents chimiques et physiques nocifs à l'organisme
US3501899A (en) * 1968-05-02 1970-03-24 Int Chem & Nuclear Corp Constant-flow air sampler
US3921628A (en) * 1971-08-19 1975-11-25 Philips Corp Medical ventilators
BE791154A (fr) * 1971-11-10 1973-05-09 Synthelabo Respirateur a turbine
DE2203453A1 (de) * 1972-01-26 1973-08-02 Draegerwerk Ag Warnvorrichtung fuer beatmungsgeraete (respiratoren)
US4233972A (en) * 1978-05-08 1980-11-18 Wolfgang Hauff Portable air filtering and breathing assist device
GB2032284B (en) * 1978-10-02 1982-11-10 Racal Safety Ltd Breathing apparatus
GB2058577A (en) * 1979-09-25 1981-04-15 Racal Safety Ltd Improvements in and relating to breathing apparatus
DE3015759C2 (de) * 1980-04-24 1982-08-12 Drägerwerk AG, 2400 Lübeck Druckgas-Atemschutzgerät mit Überdruck in der Atemluft

Also Published As

Publication number Publication date
JPS5829468A (ja) 1983-02-21
DE3265597D1 (en) 1985-09-26
EP0066451B1 (en) 1985-08-21
AU8421582A (en) 1982-12-02
GB2099709A (en) 1982-12-15
US4430995A (en) 1984-02-14
AU548392B2 (en) 1985-12-12
GB2099709B (en) 1984-08-15
ATE14988T1 (de) 1985-09-15
EP0066451A1 (en) 1982-12-08

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