GB2267661B - Heat and moisture exchanging filters - Google Patents
Heat and moisture exchanging filtersInfo
- Publication number
- GB2267661B GB2267661B GB9311889A GB9311889A GB2267661B GB 2267661 B GB2267661 B GB 2267661B GB 9311889 A GB9311889 A GB 9311889A GB 9311889 A GB9311889 A GB 9311889A GB 2267661 B GB2267661 B GB 2267661B
- Authority
- GB
- United Kingdom
- Prior art keywords
- heat
- moisture exchanging
- exchanging filters
- filters
- moisture
- 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
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. mouth-to-mouth respiration; 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. mouth-to-mouth respiration; 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. mouth-to-mouth respiration; 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. 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
-
- 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. mouth-to-mouth respiration; 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929212399A GB9212399D0 (en) | 1992-06-11 | 1992-06-11 | Heat and moisture exchanging filters |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9311889D0 GB9311889D0 (en) | 1993-07-28 |
GB2267661A GB2267661A (en) | 1993-12-15 |
GB2267661B true GB2267661B (en) | 1995-10-18 |
Family
ID=10716927
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB929212399A Pending GB9212399D0 (en) | 1992-06-11 | 1992-06-11 | Heat and moisture exchanging filters |
GB9311889A Expired - Lifetime GB2267661B (en) | 1992-06-11 | 1993-06-09 | Heat and moisture exchanging filters |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB929212399A Pending GB9212399D0 (en) | 1992-06-11 | 1992-06-11 | Heat and moisture exchanging filters |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPH0663141A (en) |
AT (1) | AT403657B (en) |
AU (1) | AU667538B2 (en) |
CA (1) | CA2098132C (en) |
CH (1) | CH687297A5 (en) |
DE (1) | DE4319458B4 (en) |
DK (1) | DK174117B1 (en) |
ES (1) | ES2074002B1 (en) |
FI (1) | FI110236B (en) |
FR (2) | FR2692153A1 (en) |
GB (2) | GB9212399D0 (en) |
GR (1) | GR930100236A (en) |
IT (1) | IT1260845B (en) |
NL (1) | NL194750C (en) |
NO (1) | NO302861B1 (en) |
SE (1) | SE510976C3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2827988C1 (en) * | 2020-07-02 | 2024-10-04 | Филип Моррис Продактс С.А. | Test chamber design for filtering material evaluation |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1009575A3 (en) * | 1995-08-28 | 1997-05-06 | Anthony Jean M | UNIT TO HEAT AND MOISTURE LOSS TO BEAR IN A DEVICE THAT AIR TO PATIENTS administers or refund. |
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 (en) | 1997-10-27 | 2000-01-28 | Georges Boussignac | RESPIRATORY ASSISTANCE DEVICE |
NL1007699C2 (en) * | 1997-12-04 | 1999-06-09 | Medisize Bv | Ventilation system. |
DE19903732B4 (en) | 1999-01-30 | 2007-12-13 | Gottlieb Weinmann - Geräte für Medizin und Arbeitsschutz - GmbH + Co KG | Apparatus for ventilation and method for processing a respiratory gas |
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 (en) * | 1999-10-21 | 2004-06-24 | DRäGER AEROSPACE GMBH | oxygen mask |
EP2110168A1 (en) * | 2000-12-01 | 2009-10-21 | Millipore Corporation | Barrier filter with hydrophilic and hydrophobic membrane parts |
KR100436438B1 (en) * | 2001-11-06 | 2004-06-16 | 김유복 | A manufacturing method of embossing mulching vinyl containg charcoal |
DE10238683A1 (en) * | 2002-08-19 | 2004-03-11 | Rist, Max, Dr. | Device for influencing gas flows |
US8567391B2 (en) | 2006-10-10 | 2013-10-29 | Furrex Co., Ltd. | Heat and moisture exchanger, heat and moisture exchanging device, and mask |
JP5124570B2 (en) * | 2006-10-10 | 2013-01-23 | 株式会社ファーレックス | Patient breathing heat exchanger |
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 |
US8105410B2 (en) * | 2007-07-17 | 2012-01-31 | Teleflex Medical Incorporated | Water dissipation device with capillary action |
US8236081B2 (en) | 2007-07-17 | 2012-08-07 | Teleflex Medical Incorporated | Permeable membrane water dissipation device |
DE102008049177B3 (en) * | 2008-09-26 | 2010-02-04 | Dräger Medical AG & Co. KG | Device for controlling respiratory gas flow of patient, has breathing gas block with breathing gas supply duct channel and breathing gas outlet channel, cover and insert element |
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 |
AU2013253097B2 (en) | 2012-04-27 | 2018-11-08 | 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 |
AU2014319042B2 (en) | 2013-09-13 | 2019-03-28 | Fisher And Paykel Healthcare Limited | Connections for humidifcation system |
US10449319B2 (en) | 2014-02-07 | 2019-10-22 | Fisher & Paykel Healthcare Limited | Respiratory humidification system |
EP4342559A3 (en) * | 2014-05-12 | 2024-06-26 | Saint-Gobain Performance Plastics Corporation | Liquid recovery filter |
EP3607988A1 (en) | 2014-06-03 | 2020-02-12 | Fisher & Paykel Healthcare Limited | Flow mixers for respiratory therapy systems |
US20170189727A1 (en) * | 2014-06-04 | 2017-07-06 | Free Air, Inc. | Systems and methods for removing ultra-fine particles from air |
WO2018106126A1 (en) | 2016-12-07 | 2018-06-14 | Fisher And Paykel Healthcare Limited | Sensing arrangements for medical devices |
WO2021176291A1 (en) * | 2020-03-06 | 2021-09-10 | 3M Innovative Properties Company | Counterflow energy recovery ventilator core comprising seamless pleated support media |
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 |
EP4176242B1 (en) * | 2020-07-02 | 2024-05-15 | Philip Morris Products S.A. | Test chamber apparatus for assessing filter media |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB933852A (en) * | 1961-07-10 | 1963-08-14 | Fram Corp | Separator for immiscible fluids |
GB1485128A (en) * | 1974-12-17 | 1977-09-08 | Marshall D | Bonded two-stage high efficiency filter |
GB2167307A (en) * | 1984-11-26 | 1986-05-29 | Vnii Gornospasate | Moisture and heat exchange device for oxygen self-contained breathing apparatus |
EP0246917A2 (en) * | 1986-05-23 | 1987-11-25 | W.L. Gore & Associates, Inc. | High performance gas filter |
EP0265163A2 (en) * | 1986-10-16 | 1988-04-27 | Intertech Resources Inc. | Heat and moisture exchanger |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1261247A (en) * | 1960-03-25 | 1961-05-19 | Saint Gobain | Non-combustible filter material, especially for gas filtration |
JPS4936904A (en) * | 1972-08-15 | 1974-04-05 | ||
JPS523911Y2 (en) * | 1975-03-20 | 1977-01-27 | ||
DE2851564A1 (en) * | 1978-11-29 | 1980-06-04 | Siemens Ag | DEVICE FOR HEATING AND HUMIDIFYING A VENTILATION GAS |
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 (en) * | 1983-09-21 | 1985-04-18 | Mitsubishi Rayon Co Ltd | Water treating system |
US5022394A (en) * | 1988-10-11 | 1991-06-11 | Homecare Of Dearborn | Heat and moisture exchanger device for tracheostomy patients |
DD278501A1 (en) * | 1988-12-27 | 1990-05-09 | Medizin Labortechnik Veb K | DEVICE FOR ATTACHING AND HUMIDIFYING VENTILATION GASES |
GB8916361D0 (en) * | 1989-07-18 | 1989-09-06 | Smiths Industries Plc | Filters |
DE3942813A1 (en) * | 1989-12-23 | 1991-06-27 | Akzo Gmbh | LAMINATE |
-
1992
- 1992-06-11 GB GB929212399A patent/GB9212399D0/en active Pending
-
1993
- 1993-06-08 GR GR930100236A patent/GR930100236A/en unknown
- 1993-06-09 AT AT0112593A patent/AT403657B/en not_active IP Right Cessation
- 1993-06-09 GB GB9311889A patent/GB2267661B/en not_active Expired - Lifetime
- 1993-06-09 SE SE9301970A patent/SE510976C3/en unknown
- 1993-06-10 ES ES09301272A patent/ES2074002B1/en not_active Expired - Fee Related
- 1993-06-10 FI FI932661A patent/FI110236B/en not_active IP Right Cessation
- 1993-06-10 CA CA002098132A patent/CA2098132C/en not_active Expired - Lifetime
- 1993-06-10 NO NO932126A patent/NO302861B1/en not_active IP Right Cessation
- 1993-06-10 IT ITTO930424A patent/IT1260845B/en active IP Right Grant
- 1993-06-11 DK DK199300701A patent/DK174117B1/en not_active IP Right Cessation
- 1993-06-11 AU AU40184/93A patent/AU667538B2/en not_active Expired
- 1993-06-11 DE DE4319458A patent/DE4319458B4/en not_active Expired - Lifetime
- 1993-06-11 CH CH01755/93A patent/CH687297A5/en not_active IP Right Cessation
- 1993-06-11 NL NL9301022A patent/NL194750C/en not_active IP Right Cessation
- 1993-06-11 JP JP5140876A patent/JPH0663141A/en active Pending
- 1993-06-11 FR FR9307091A patent/FR2692153A1/en active Pending
-
1997
- 1997-06-18 FR FR9707568A patent/FR2749173B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB933852A (en) * | 1961-07-10 | 1963-08-14 | Fram Corp | Separator for immiscible fluids |
GB1485128A (en) * | 1974-12-17 | 1977-09-08 | Marshall D | Bonded two-stage high efficiency filter |
GB2167307A (en) * | 1984-11-26 | 1986-05-29 | Vnii Gornospasate | Moisture and heat exchange device for oxygen self-contained breathing apparatus |
EP0246917A2 (en) * | 1986-05-23 | 1987-11-25 | W.L. Gore & Associates, Inc. | High performance gas filter |
EP0265163A2 (en) * | 1986-10-16 | 1988-04-27 | Intertech Resources Inc. | Heat and moisture exchanger |
Non-Patent Citations (1)
Title |
---|
Solid/liquid separation technology by D B Purchas (Uplands Press 1981) pp80-81 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2827988C1 (en) * | 2020-07-02 | 2024-10-04 | Филип Моррис Продактс С.А. | Test chamber design for filtering material evaluation |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20130608 |