CA2098132C - Heat and moisture exchanging filters - Google Patents

Heat and moisture exchanging filters Download PDF

Info

Publication number
CA2098132C
CA2098132C CA002098132A CA2098132A CA2098132C CA 2098132 C CA2098132 C CA 2098132C CA 002098132 A CA002098132 A CA 002098132A CA 2098132 A CA2098132 A CA 2098132A CA 2098132 C CA2098132 C CA 2098132C
Authority
CA
Canada
Prior art keywords
filter
medium
hydrophilic
hydrophobic
filter according
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 - Lifetime
Application number
CA002098132A
Other languages
English (en)
French (fr)
Other versions
CA2098132A1 (en
Inventor
Graham Desmond Lowe
Keith Stuart Morris
Roger Edward Page
Richard Guy Gutman
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.)
Pall Corp
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Publication of CA2098132A1 publication Critical patent/CA2098132A1/en
Application granted granted Critical
Publication of CA2098132C publication Critical patent/CA2098132C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • 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
    • A61M16/1045Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas
    • 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
    • A61M16/1055Filters bacterial
    • 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
    • A61M16/1065Filters in a path in the expiratory path
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068Other inorganic materials, e.g. ceramics
    • B01D39/2082Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • B01D39/2089Other inorganic materials, e.g. ceramics the material being filamentary or fibrous otherwise bonded, e.g. by resins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/003Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
    • B01D46/0031Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid with collecting, draining means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/16Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
    • 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
    • A61M16/08Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816Joints or connectors
    • A61M16/0833T- or Y-type connectors, e.g. Y-piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2273/00Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/18Testing of filters, filter elements, sealings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2275/00Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10Multiple layers

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Ceramic Engineering (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Filtering Materials (AREA)
  • External Artificial Organs (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CA002098132A 1992-06-11 1993-06-10 Heat and moisture exchanging filters Expired - Lifetime CA2098132C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929212399A GB9212399D0 (en) 1992-06-11 1992-06-11 Heat and moisture exchanging filters
GB9212399.1 1992-06-11

Publications (2)

Publication Number Publication Date
CA2098132A1 CA2098132A1 (en) 1993-12-12
CA2098132C true CA2098132C (en) 2000-10-17

Family

ID=10716927

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002098132A Expired - Lifetime CA2098132C (en) 1992-06-11 1993-06-10 Heat and moisture exchanging filters

Country Status (16)

Country Link
JP (1) JPH0663141A (nl)
AT (1) AT403657B (nl)
AU (1) AU667538B2 (nl)
CA (1) CA2098132C (nl)
CH (1) CH687297A5 (nl)
DE (1) DE4319458B4 (nl)
DK (1) DK174117B1 (nl)
ES (1) ES2074002B1 (nl)
FI (1) FI110236B (nl)
FR (2) FR2692153A1 (nl)
GB (2) GB9212399D0 (nl)
GR (1) GR930100236A (nl)
IT (1) IT1260845B (nl)
NL (1) NL194750C (nl)
NO (1) NO302861B1 (nl)
SE (1) SE510976C3 (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021176291A1 (en) * 2020-03-06 2021-09-10 3M Innovative Properties Company Counterflow energy recovery ventilator core comprising seamless pleated support media

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1009575A3 (nl) * 1995-08-28 1997-05-06 Anthony Jean M Toestel om warmte- en vochtverlies te compenseren in een inrichting die lucht aan een patient toedient of restitueert.
US5575279A (en) * 1996-01-02 1996-11-19 Emergency Filtration Products, Inc. Dual-filtered rotary isolation valve for resusciation
GB9704241D0 (en) * 1997-02-28 1997-04-16 Smiths Industries Plc Gas-treatment devices
WO1999003525A1 (en) 1997-07-16 1999-01-28 Pall Corporation Breathing filter
FR2770137B1 (fr) 1997-10-27 2000-01-28 Georges Boussignac Dispositif d'assistance respiratoire
NL1007699C2 (nl) * 1997-12-04 1999-06-09 Medisize Bv Beademingssysteem.
DE19903732B4 (de) 1999-01-30 2007-12-13 Gottlieb Weinmann - Geräte für Medizin und Arbeitsschutz - GmbH + Co KG Vorrichtung zur Beatmung sowie Verfahren zur Aufbereitung eines Beatmungsgases
EP1068889A1 (en) 1999-07-16 2001-01-17 3M Innovative Properties Company High efficiency medical breathing system filter based on a filtration medium of a nonwoven web of thermoplastic resin fibers
DE19950717B4 (de) * 1999-10-21 2004-06-24 DRäGER AEROSPACE GMBH Atemmaske
EP2110168A1 (en) * 2000-12-01 2009-10-21 Millipore Corporation Barrier filter with hydrophilic and hydrophobic membrane parts
KR100436438B1 (ko) * 2001-11-06 2004-06-16 김유복 숯이 함유된 엠보싱 멀칭비닐의 제조방법
DE10238683A1 (de) * 2002-08-19 2004-03-11 Rist, Max, Dr. Vorrichtung zur Beeinflussung von Gasflüssen
US8567391B2 (en) 2006-10-10 2013-10-29 Furrex Co., Ltd. Heat and moisture exchanger, heat and moisture exchanging device, and mask
WO2008044792A1 (en) * 2006-10-10 2008-04-17 Furrex Co., Ltd. Heat and moisture exchanger for patient breathing
US8079574B2 (en) 2007-05-16 2011-12-20 ZenPure Corp. Membrane based contactor module for mass and heat transfer
US8252081B2 (en) 2007-07-17 2012-08-28 Teleflex Medical Incorporated Water dissipation device and method
US8236081B2 (en) 2007-07-17 2012-08-07 Teleflex Medical Incorporated Permeable membrane water dissipation device
US8105410B2 (en) * 2007-07-17 2012-01-31 Teleflex Medical Incorporated Water dissipation device with capillary action
DE102008049177B3 (de) * 2008-09-26 2010-02-04 Dräger Medical AG & Co. KG Vorrichtung zur Steuerung des Atemgasflusses
GB0919903D0 (en) * 2009-11-13 2009-12-30 Cambridge Design Res Llp Ventilator gas humidification device
EP2647401A1 (en) * 2012-04-04 2013-10-09 Covidien AG A filter of absorbing, retaining and releasing heat and/or moisture of exhaled and inhaled gas and method of forming such a filter
GB2575895B (en) 2012-04-27 2020-06-03 Fisher & Paykel Healthcare Ltd Humidification apparatus including a port cap
GB2514477A (en) 2013-04-04 2014-11-26 Forderung Von Medizin Bio Und Umwelttechnologien E V Fachsektion Dresden Ges A particle filtering material
EP3705151B1 (en) 2013-09-13 2024-04-03 Fisher & Paykel Healthcare Limited Connections for humidification system
WO2015119515A1 (en) 2014-02-07 2015-08-13 Fisher & Paykel Healthcare Limited Respiratory humidification system
CN106535971B (zh) 2014-06-03 2020-12-04 费雪派克医疗保健有限公司 用于呼吸治疗系统的流动混合器
US20170189727A1 (en) * 2014-06-04 2017-07-06 Free Air, Inc. Systems and methods for removing ultra-fine particles from air
US11351332B2 (en) 2016-12-07 2022-06-07 Fisher & Paykel Healthcare Limited Sensing arrangements for medical devices
US10926209B1 (en) 2020-06-05 2021-02-23 Celios Corporation Air filtration system, air filtration device, and air filtration module for use therewith
US10870076B1 (en) 2020-06-05 2020-12-22 Celios Corporation Air filtration system, air filtration device, and air filtration module for use therewith
JP2023531900A (ja) * 2020-07-02 2023-07-26 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム フィルター媒体を評価するための試験チャンバー装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1261247A (fr) * 1960-03-25 1961-05-19 Saint Gobain Matériau incombustible filtrant, notamment pour la filtration des gaz
GB933852A (en) * 1961-07-10 1963-08-14 Fram Corp Separator for immiscible fluids
JPS4936904A (nl) * 1972-08-15 1974-04-05
GB1485128A (en) * 1974-12-17 1977-09-08 Marshall D Bonded two-stage high efficiency filter
JPS523911Y2 (nl) * 1975-03-20 1977-01-27
DE2851564A1 (de) * 1978-11-29 1980-06-04 Siemens Ag Vorrichtung zum anwaermen und befeuchten eines beatmungsgases
US4360018A (en) * 1979-12-20 1982-11-23 American Hospital Supply Corporation Anesthesia system and method of filtering respiratory gas
US4344999A (en) * 1980-04-22 1982-08-17 W. L. Gore & Associates, Inc. Breathable laminate
US4459139A (en) * 1981-09-14 1984-07-10 Gelman Sciences Inc. Disposable filter device and liquid aspirating system incorporating same
JPS6068093A (ja) * 1983-09-21 1985-04-18 Mitsubishi Rayon Co Ltd 水処理システム
SU1342514A1 (ru) * 1984-11-26 1987-10-07 Всесоюзный научно-исследовательский институт горноспасательного дела Влаготеплообменное устройство дыхательного аппарата на химически св занном кислороде
EP0246917B1 (en) * 1986-05-23 1992-07-22 W.L. Gore & Associates, Inc. High performance gas filter
AU7943387A (en) * 1986-10-16 1988-04-21 Intertech Resources Inc. Heat and moisture exchanger for respiratory gases
US5022394A (en) * 1988-10-11 1991-06-11 Homecare Of Dearborn Heat and moisture exchanger device for tracheostomy patients
DD278501A1 (de) * 1988-12-27 1990-05-09 Medizin Labortechnik Veb K Vorrichtung zum anwaermen und befeuchten von beatmungsgasen
GB8916361D0 (en) * 1989-07-18 1989-09-06 Smiths Industries Plc Filters
DE3942813A1 (de) * 1989-12-23 1991-06-27 Akzo Gmbh Laminat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021176291A1 (en) * 2020-03-06 2021-09-10 3M Innovative Properties Company Counterflow energy recovery ventilator core comprising seamless pleated support media

Also Published As

Publication number Publication date
FR2749173A1 (fr) 1997-12-05
AU4018493A (en) 1993-12-16
DK174117B1 (da) 2002-07-01
NO932126L (no) 1993-12-13
GB9311889D0 (en) 1993-07-28
DK70193D0 (da) 1993-06-11
NO302861B1 (no) 1998-05-04
ES2074002A2 (es) 1995-08-16
GR930100236A (el) 1994-02-28
NL194750C (nl) 2003-02-04
FR2692153A1 (fr) 1993-12-17
SE510976C2 (sv) 1999-07-19
ATA112593A (de) 1997-09-15
GB9212399D0 (en) 1992-07-22
AT403657B (de) 1998-04-27
CH687297A5 (de) 1996-11-15
DE4319458B4 (de) 2005-06-09
ITTO930424A1 (it) 1994-12-10
SE9301970L (sv) 1993-12-12
NO932126D0 (no) 1993-06-10
DE4319458A1 (de) 1993-12-16
JPH0663141A (ja) 1994-03-08
SE510976C3 (sv) 1999-08-30
CA2098132A1 (en) 1993-12-12
FI932661A0 (fi) 1993-06-10
FR2749173B1 (fr) 1998-11-06
SE9301970D0 (sv) 1993-06-09
AU667538B2 (en) 1996-03-28
ITTO930424A0 (it) 1993-06-10
GB2267661A (en) 1993-12-15
IT1260845B (it) 1996-04-23
ES2074002R (nl) 1997-12-16
DK70193A (da) 1993-12-12
ES2074002B1 (es) 1998-07-01
FI932661A (fi) 1993-12-12
NL194750B (nl) 2002-10-01
GB2267661B (en) 1995-10-18
FI110236B (fi) 2002-12-31
NL9301022A (nl) 1994-01-03

Similar Documents

Publication Publication Date Title
CA2098132C (en) Heat and moisture exchanging filters
US5992413A (en) Heat and moisture exchanger and generator
Hedley et al. A comparison of the filtration properties of heat and moisture exchangers
Chalon et al. The Pall Ultipor breathing circuit filter—an efficient heat and moisture exchanger
EP0633794B1 (en) Filtering device for connection to the respiratory tract of a person and the use thereof
US6105576A (en) Apparatus for treating respiratory gases including liquid trap
Hedley et al. Heat and moisture exchangers and breathing filters
EP0265163A2 (en) Heat and moisture exchanger
US8561606B2 (en) Heat and moisture exchange unit
DE2929615A1 (de) Feuchtigkeitsaustauscher in einrichtungen fuer die atmung
DE102017009391A1 (de) Multifunktionale Atemmaske mit passivem Anwärm-, Befeuchtungs-, und Nassfiltersystem für die Atemluft
CN204484979U (zh) 一种具有气体质量改善功能的呼吸机
EP1820529A1 (en) Gas processing unit
CN204619069U (zh) 一种能预防呼吸机相关肺炎的呼吸机系统
CN201775853U (zh) 人工鼻
Wellbeloved Humidification and the HME filter
Wilkes Breathing filters, humidifiers and nebulizers
US20230173215A1 (en) Medical airway device
CN212439627U (zh) 废气分离处理雾化装置
Mazhirina et al. Breathing filters for anesthesia and mechanical lung ventilation
Sounderraj et al. Development and characterization of triclosan coated heat and moisture exchange filter for ventilation therapy
Wilkins A study of the humidification performance of Heat and Moisture Exchanging Filters in Semi-Closed Circle Anaesthesia
Nebulizer BACTERIAL FILTER
CN101954141A (zh) 人工鼻

Legal Events

Date Code Title Description
EEER Examination request