CA2098132C - Heat and moisture exchanging filters - Google Patents

Heat and moisture exchanging filters Download PDF

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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

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1045—Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/1055—Filters bacterial
    • 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. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/1065—Filters in a path in the expiratory path
    • 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. ventilators; 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • B01D39/2089—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous otherwise bonded, e.g. by resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/003—Filters 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
    • B01D46/0031—Filters 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/16—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
    • 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. ventilators; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • A61M16/0833—T- or Y-type connectors, e.g. Y-piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/18—Testing of filters, filter elements, sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple 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)
  • Inorganic Chemistry (AREA)
  • Geology (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 (da)
AT (1) AT403657B (da)
AU (1) AU667538B2 (da)
CA (1) CA2098132C (da)
CH (1) CH687297A5 (da)
DE (1) DE4319458B4 (da)
DK (1) DK174117B1 (da)
ES (1) ES2074002B1 (da)
FI (1) FI110236B (da)
FR (2) FR2692153A1 (da)
GB (2) GB9212399D0 (da)
GR (1) GR930100236A (da)
IT (1) IT1260845B (da)
NL (1) NL194750C (da)
NO (1) NO302861B1 (da)
SE (1) SE510976C3 (da)

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

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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
AU8384598A (en) 1997-07-16 1999-02-10 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
WO2002043841A2 (en) * 2000-12-01 2002-06-06 Millipore Corporation Chemical process system with multi-functional barrier filter
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
WO2008044792A1 (en) * 2006-10-10 2008-04-17 Furrex Co., Ltd. Heat and moisture exchanger for patient breathing
US8567391B2 (en) 2006-10-10 2013-10-29 Furrex Co., Ltd. Heat and moisture exchanger, heat and moisture exchanging device, and mask
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
AU2013232848B2 (en) 2012-03-15 2018-03-22 Fisher & Paykel Healthcare Limited Respiratory gas humidification system
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
WO2013162386A1 (en) 2012-04-27 2013-10-31 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
GB2514477A (en) 2013-04-04 2014-11-26 Forderung Von Medizin Bio Und Umwelttechnologien E V Fachsektion Dresden Ges A particle filtering material
CN108514674B (zh) 2013-09-13 2021-12-24 费雪派克医疗保健有限公司 用于加湿系统的连接
WO2015119515A1 (en) 2014-02-07 2015-08-13 Fisher & Paykel Healthcare Limited Respiratory humidification system
BR122020025290B1 (pt) * 2014-05-12 2022-10-11 Saint-Gobain Performance Plastics Corporation Conjunto de filtro de recuperação de líquido e método de processo de purga de líquidos
EP4670770A3 (en) 2014-06-03 2026-01-07 Fisher & Paykel Healthcare Limited A humidification chamber for a respiratory therapy apparatus
US20170189727A1 (en) * 2014-06-04 2017-07-06 Free Air, Inc. Systems and methods for removing ultra-fine particles from air
AU2017371480B2 (en) 2016-12-07 2022-11-03 Fisher And 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
KR20230034286A (ko) * 2020-07-02 2023-03-09 필립모리스 프로덕츠 에스.에이. 필터 매체를 평가하기 위한 시험 챔버 장치

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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 (da) * 1972-08-15 1974-04-05
GB1485128A (en) * 1974-12-17 1977-09-08 Marshall D Bonded two-stage high efficiency filter
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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
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DD278501A1 (de) * 1988-12-27 1990-05-09 Medizin Labortechnik Veb K Vorrichtung zum anwaermen und befeuchten von beatmungsgasen
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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
ES2074002A2 (es) 1995-08-16
GB2267661A (en) 1993-12-15
NL9301022A (nl) 1994-01-03
NO932126D0 (no) 1993-06-10
FR2692153A1 (fr) 1993-12-17
FI932661L (fi) 1993-12-12
GB2267661B (en) 1995-10-18
GB9212399D0 (en) 1992-07-22
AT403657B (de) 1998-04-27
GR930100236A (el) 1994-02-28
SE510976C2 (sv) 1999-07-19
NO932126L (no) 1993-12-13
FI110236B (fi) 2002-12-31
FR2749173B1 (fr) 1998-11-06
SE9301970D0 (sv) 1993-06-09
GB9311889D0 (en) 1993-07-28
DE4319458A1 (de) 1993-12-16
SE9301970L (sv) 1993-12-12
FR2749173A1 (fr) 1997-12-05
DK70193A (da) 1993-12-12
DE4319458B4 (de) 2005-06-09
ES2074002B1 (es) 1998-07-01
ATA112593A (de) 1997-09-15
AU667538B2 (en) 1996-03-28
CA2098132A1 (en) 1993-12-12
DK70193D0 (da) 1993-06-11
JPH0663141A (ja) 1994-03-08
NO302861B1 (no) 1998-05-04
NL194750B (nl) 2002-10-01
NL194750C (nl) 2003-02-04
ITTO930424A0 (it) 1993-06-10
FI932661A0 (fi) 1993-06-10
ES2074002R (da) 1997-12-16
IT1260845B (it) 1996-04-23
ITTO930424A1 (it) 1994-12-10
CH687297A5 (de) 1996-11-15
AU4018493A (en) 1993-12-16
SE510976C3 (sv) 1999-08-30
DK174117B1 (da) 2002-07-01

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Legal Events

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EEER Examination request