DE3265597D1 - Improvements in and relating to power assisted air-purifying respirators - Google Patents

Improvements in and relating to power assisted air-purifying respirators

Info

Publication number
DE3265597D1
DE3265597D1 DE8282302703T DE3265597T DE3265597D1 DE 3265597 D1 DE3265597 D1 DE 3265597D1 DE 8282302703 T DE8282302703 T DE 8282302703T DE 3265597 T DE3265597 T DE 3265597T DE 3265597 D1 DE3265597 D1 DE 3265597D1
Authority
DE
Germany
Prior art keywords
chamber
air
pump means
relating
power assisted
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
DE8282302703T
Other languages
English (en)
Inventor
Joseph Raymond Hilton
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.)
Racal Safety Ltd
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=DE3265597(D1) "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
Application granted granted Critical
Publication of DE3265597D1 publication Critical patent/DE3265597D1/de
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/006Breathing 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
    • 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
    • A61M16/0057Pumps therefor
    • 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
    • A61M16/0057Pumps therefor
    • A61M16/0066Blowers or centrifugal pumps
    • A61M16/0069Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • 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
    • A61M16/105Filters
    • A61M16/106Filters in a path
    • A61M16/107Filters in a path in the inspiratory path
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00Respiratory apparatus
    • A62B7/10Respiratory apparatus with filter elements

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
DE8282302703T 1981-05-29 1982-05-26 Improvements in and relating to power assisted air-purifying respirators Expired DE3265597D1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3265597D1 true DE3265597D1 (en) 1985-09-26

Family

ID=10522123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282302703T Expired DE3265597D1 (en) 1981-05-29 1982-05-26 Improvements in and relating to power assisted air-purifying respirators

Country Status (8)

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

Families Citing this family (103)

* Cited by examiner, † Cited by third party
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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
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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
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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
WO1988010108A1 (en) * 1987-06-26 1988-12-29 Travenol Centre For Medical Research Device for monitoring breathing during sleep and control of cpap treatment
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
EP0352938B1 (de) * 1988-07-26 1993-10-06 RACAL HEALTH & SAFETY LIMITED Atemgerät
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 (de) * 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.
EP0549299B1 (de) 1991-12-20 2002-03-13 Resmed Limited Beatmungsgerät zur Erzeugung von kontinuierlichem positiven Atemwegdruck (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.
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AUPM279393A0 (en) * 1993-12-03 1994-01-06 Rescare Limited Estimation of flow and detection of breathing in cpap treatment
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AUPO511397A0 (en) * 1997-02-14 1997-04-11 Resmed Limited An apparatus for varying the flow area of a conduit
DE69836532D1 (de) * 1997-02-18 2007-01-11 David J Korman Luftfilterungs- und luftzufuhrsysteme für personen
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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
US20060048777A1 (en) * 2003-03-21 2006-03-09 Interspiro, Inc. Apparatus and method for providing breathable air and bodily protection in a contaminated environment
US20040182394A1 (en) * 2003-03-21 2004-09-23 Alvey Jeffrey Arthur Powered air purifying respirator system and self contained breathing apparatus
US7647927B2 (en) * 2003-08-22 2010-01-19 Wilcox Industries Corp. Self-contained breathing system
CN101816814B (zh) 2003-09-25 2012-11-07 雷斯梅德有限公司 呼吸机面罩及其系统
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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
BRPI0709500A2 (pt) 2006-04-10 2011-07-26 Aeiomed Inc aparelho para prover pressço positiva das vias aÉreas para o tratamento de apnÉia do sono, obstruÇço pulmonar crânica e ronco e mÉtodo para prover ar a uma pressço positiva para o tratamento de apnÉia do sono, obstruÇço pulmonar crânica e ronco
US7516743B2 (en) * 2006-04-20 2009-04-14 Viasys Sleep Systems, Llc Continuous positive airway pressure device and configuration for employing same
US20070251527A1 (en) * 2006-04-21 2007-11-01 Tiara Medical Systems, Inc. Self-contained respiratory therapy apparatus for enhanced patient compliance and therapeutic efficacy
US20090320842A1 (en) 2006-09-07 2009-12-31 Renee Frances Doherty 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
JP5737827B2 (ja) 2008-01-31 2015-06-17 レスメド・リミテッドResMedLimited 呼吸装置
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
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WO2011022779A1 (en) 2009-08-28 2011-03-03 Resmed Ltd Pap system
US10238822B2 (en) 2009-05-29 2019-03-26 Resmed Limited PAP system
ES2767176T3 (es) * 2009-07-17 2020-06-16 CleanSpace IP Pty Ltd Respirador
US8973576B2 (en) 2009-11-19 2015-03-10 Resmed Motor Technologies Inc Blower
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
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US8336546B2 (en) 2011-02-08 2012-12-25 Hancock Medical, Inc. Positive airway pressure system with head control
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US10782708B2 (en) * 2018-11-07 2020-09-22 International Business Machines Corporation Automatic shutoff continuous positive air pressure system
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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
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TR202009416A2 (tr) * 2020-06-17 2020-07-21 Maltepe Ueniversitesi Teknoloji Transfer Ofisi Anonim Sirketi Dezenfekte hava akişli koruma si̇perli̇kli̇ başlik
TWM604134U (zh) * 2020-06-17 2020-11-21 林永吉 空氣濾清防護裝置及防護衣
US11628318B1 (en) * 2020-07-20 2023-04-18 E.D. Bullard Company Blower assembly for a powered air-purifying respirator
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Also Published As

Publication number Publication date
AU8421582A (en) 1982-12-02
EP0066451B1 (de) 1985-08-21
GB2099709B (en) 1984-08-15
JPS5829468A (ja) 1983-02-21
AU548392B2 (en) 1985-12-12
US4430995A (en) 1984-02-14
ATE14988T1 (de) 1985-09-15
EP0066451A1 (de) 1982-12-08
GB2099709A (en) 1982-12-15
ZA823655B (en) 1983-03-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation