CN1067911C - 用于除去白血球的过滤材料 - Google Patents
用于除去白血球的过滤材料 Download PDFInfo
- Publication number
- CN1067911C CN1067911C CN96192159A CN96192159A CN1067911C CN 1067911 C CN1067911 C CN 1067911C CN 96192159 A CN96192159 A CN 96192159A CN 96192159 A CN96192159 A CN 96192159A CN 1067911 C CN1067911 C CN 1067911C
- Authority
- CN
- China
- Prior art keywords
- filter material
- fibrous structure
- fibers
- fiber diameter
- average
- 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 - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- 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
-
- 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
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- 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
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43838—Ultrafine fibres, e.g. microfibres
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- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
- A61M2202/0439—White blood cells; Leucocytes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0208—Single-component fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0421—Rendering the filter material hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0471—Surface coating material
- B01D2239/0478—Surface coating material on a layer of the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0622—Melt-blown
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/064—The fibres being mixed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1208—Porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1216—Pore size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43825—Composite fibres
- D04H1/4383—Composite fibres sea-island
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/822—Microorganisms using bacteria or actinomycetales
- Y10S435/823—Acetobacter
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- External Artificial Organs (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
Description
Claims (55)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP350718/95 | 1995-12-26 | ||
| JP35071895 | 1995-12-26 | ||
| JP350718/1995 | 1995-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1176607A CN1176607A (zh) | 1998-03-18 |
| CN1067911C true CN1067911C (zh) | 2001-07-04 |
Family
ID=18412388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96192159A Expired - Fee Related CN1067911C (zh) | 1995-12-26 | 1996-12-26 | 用于除去白血球的过滤材料 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6048464A (zh) |
| EP (1) | EP0811412B1 (zh) |
| JP (1) | JP3941838B2 (zh) |
| KR (1) | KR100220927B1 (zh) |
| CN (1) | CN1067911C (zh) |
| AT (1) | ATE246028T1 (zh) |
| CA (1) | CA2213092C (zh) |
| DE (1) | DE69629280T2 (zh) |
| ES (1) | ES2202491T3 (zh) |
| WO (1) | WO1997023266A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100512891C (zh) * | 2002-12-02 | 2009-07-15 | 旭化成医疗株式会社 | 用于去除白细胞的方法、白细胞除去过滤器及其使用 |
| CN102006876B (zh) * | 2008-04-14 | 2012-07-25 | 旭化成医疗株式会社 | 凝集物除去过滤材料及血液制剂的过滤方法 |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE300990T1 (de) * | 1997-06-26 | 2005-08-15 | Asahi Medical Co | Filtermedium zur trennung von leukozyten |
| AU9763198A (en) * | 1997-11-11 | 1999-05-31 | Kowa Company Ltd. | Method of counting leukocytes and leukocyte counter |
| US6274041B1 (en) | 1998-12-18 | 2001-08-14 | Kimberly-Clark Worldwide, Inc. | Integrated filter combining physical adsorption and electrokinetic adsorption |
| US6537614B1 (en) | 1998-12-18 | 2003-03-25 | Kimberly-Clark Worldwide, Inc. | Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist |
| US6337026B1 (en) | 1999-03-08 | 2002-01-08 | Whatman Hemasure, Inc. | Leukocyte reduction filtration media |
| US6645388B2 (en) | 1999-12-22 | 2003-11-11 | Kimberly-Clark Corporation | Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same |
| US20020092423A1 (en) | 2000-09-05 | 2002-07-18 | Gillingham Gary R. | Methods for filtering air for a gas turbine system |
| US6800117B2 (en) | 2000-09-05 | 2004-10-05 | Donaldson Company, Inc. | Filtration arrangement utilizing pleated construction and method |
| US6743273B2 (en) | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
| US6746517B2 (en) * | 2000-09-05 | 2004-06-08 | Donaldson Company, Inc. | Filter structure with two or more layers of fine fiber having extended useful service life |
| US6673136B2 (en) | 2000-09-05 | 2004-01-06 | Donaldson Company, Inc. | Air filtration arrangements having fluted media constructions and methods |
| US7270693B2 (en) | 2000-09-05 | 2007-09-18 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
| US6716274B2 (en) | 2000-09-05 | 2004-04-06 | Donaldson Company, Inc. | Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream |
| US6740142B2 (en) | 2000-09-05 | 2004-05-25 | Donaldson Company, Inc. | Industrial bag house elements |
| RU2300543C2 (ru) | 2001-05-31 | 2007-06-10 | Дональдсон Компани, Инк. | Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала |
| DE20120897U1 (de) * | 2001-12-28 | 2003-05-08 | IWS Ingenieurgesellschaft Weiner & Schröter mbH,, 47475 Kamp-Lintfort | Schutztür für Fahrerkabinen, insbesondere von Nutzfahrzeugen |
| US7125434B2 (en) * | 2002-12-19 | 2006-10-24 | Millipore Corporation | Deep gradient-density filter device |
| DE10304365A1 (de) * | 2003-02-04 | 2004-08-05 | Ls-Medcap Gmbh | Filtervorrichtung |
| US20040178162A1 (en) * | 2003-03-14 | 2004-09-16 | Dorothea Zucker-Franklin | Devices and methods for removal of leukocytes from breast milk |
| US20070275459A1 (en) * | 2003-10-10 | 2007-11-29 | Shuji Terashima | Method for Preparing Cell Concentrate and Cell Composition |
| JP4706275B2 (ja) * | 2004-02-27 | 2011-06-22 | 東レ株式会社 | フィルターおよびフィルターエレメント |
| TWI341230B (en) | 2004-04-21 | 2011-05-01 | Toray Industries | Polishing cloth and production method for the nanofiber construction |
| KR101151139B1 (ko) | 2004-04-21 | 2012-06-01 | 도레이 카부시키가이샤 | 의료용 필터재 및 그것을 사용한 체외 순환 컬럼과 혈액필터 |
| GB0418123D0 (en) * | 2004-08-13 | 2004-09-15 | Asahi Chemical Ind | Polymers useful as medical materials |
| JP5048340B2 (ja) * | 2005-01-06 | 2012-10-17 | 旭化成メディカル株式会社 | 白血球除去方法 |
| DE102006017453B4 (de) * | 2006-04-12 | 2010-01-28 | Renaselect Gmbh & Co.Kg | Membran für Flüssigphasenseparationsprozesse und Verfahren zu ihrer Herstellung |
| US20070005006A1 (en) * | 2005-06-15 | 2007-01-04 | Rosenfeld Paul E | Methods and devices for removal of toxic compounds from breast milk |
| FR2925352B1 (fr) * | 2007-12-21 | 2010-02-26 | Maco Pharma Sa | Procede de greffage d'un element poreux pour la deleucocytation |
| KR101452866B1 (ko) * | 2008-08-25 | 2014-10-23 | 코오롱인더스트리 주식회사 | 백혈구 제거필터용 밀봉재 |
| JP2012000550A (ja) * | 2010-06-15 | 2012-01-05 | Asahi Kasei Fibers Corp | セルロース繊維から構成される濾材 |
| JP5855337B2 (ja) * | 2010-10-07 | 2016-02-09 | 北越紀州製紙株式会社 | 多孔質体及びその製造方法 |
| WO2012090835A1 (ja) | 2010-12-27 | 2012-07-05 | 旭化成メディカル株式会社 | 血液処理フィルター、血液回路システム及び遠心分離方法 |
| US10064406B2 (en) | 2011-01-06 | 2018-09-04 | Cytosorbents Corporation | Polymeric sorbent for removal of impurities from whole blood and blood products |
| CN104114479B (zh) * | 2012-02-15 | 2016-04-27 | 北越纪州制纸株式会社 | 多孔介质及其制造方法 |
| JP6073072B2 (ja) * | 2012-04-27 | 2017-02-01 | 株式会社キコーコーポレーション | ナノファイバー不織布を用いたろ過装置 |
| WO2014017604A1 (ja) | 2012-07-25 | 2014-01-30 | 旭化成メディカル株式会社 | 血液処理フィルター、血液回路、及び血液処理方法 |
| WO2014095959A1 (en) * | 2012-12-20 | 2014-06-26 | Dsm Ip Assets B.V. | Membrane construction with fiber layers for blood filtration |
| JPWO2015056603A1 (ja) | 2013-10-18 | 2017-03-09 | 株式会社カネカ | 新規細胞分離フィルター材およびそれを積層したフィルター |
| TWI481442B (zh) * | 2013-11-14 | 2015-04-21 | 中原大學 | 雙離子電荷偏差型血球篩選用材料 |
| CN105813663B (zh) * | 2013-12-13 | 2017-09-22 | 旭化成医疗株式会社 | 去除白血球的过滤材料、以及去除白血球的方法 |
| US10376627B2 (en) | 2014-03-24 | 2019-08-13 | Fenwal, Inc. | Flexible biological fluid filters |
| US10159778B2 (en) | 2014-03-24 | 2018-12-25 | Fenwal, Inc. | Biological fluid filters having flexible walls and methods for making such filters |
| US9968738B2 (en) | 2014-03-24 | 2018-05-15 | Fenwal, Inc. | Biological fluid filters with molded frame and methods for making such filters |
| US9782707B2 (en) | 2014-03-24 | 2017-10-10 | Fenwal, Inc. | Biological fluid filters having flexible walls and methods for making such filters |
| US9796166B2 (en) | 2014-03-24 | 2017-10-24 | Fenwal, Inc. | Flexible biological fluid filters |
| JP5990219B2 (ja) * | 2014-05-28 | 2016-09-07 | 北越紀州製紙株式会社 | 多孔質体の製造方法 |
| JP5993408B2 (ja) * | 2014-06-23 | 2016-09-14 | 北越紀州製紙株式会社 | 多孔質体及びその製造方法 |
| US10556197B2 (en) | 2015-08-03 | 2020-02-11 | Hokuetsu Corporation | Method for manufacturing filter medium for air filter |
| JP6721919B2 (ja) * | 2016-03-23 | 2020-07-15 | 北越コーポレーション株式会社 | エアフィルタ用濾材 |
| JP6228705B1 (ja) * | 2016-06-03 | 2017-11-08 | 花王株式会社 | 血球凝集性繊維 |
| CN108770347B (zh) * | 2017-02-22 | 2021-09-28 | W.L.戈尔及同仁股份有限公司 | 用于闭合件保护的层状过滤组件 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0246857A (ja) * | 1988-08-10 | 1990-02-16 | Kawasumi Lab Inc | 白血球分離材 |
| US5290449A (en) * | 1991-07-22 | 1994-03-01 | Lydall, Inc. | Blood filter material |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1242493A (en) * | 1969-12-05 | 1971-08-11 | Roy Laver Swank | Blood treating method and apparatus |
| JPS603367B2 (ja) * | 1979-10-09 | 1985-01-28 | 旭化成株式会社 | 白血球分離法および白血球分離材 |
| EP0155003B1 (en) * | 1984-03-15 | 1990-07-04 | ASAHI MEDICAL Co., Ltd. | Filtering unit for removing leukocytes |
| JPS60193468A (ja) * | 1984-03-15 | 1985-10-01 | 旭メデイカル株式会社 | 白血球除去フイルタ− |
| US4936998A (en) * | 1986-03-28 | 1990-06-26 | Asahi Medical Co., Ltd. | Filter medium for selectively removing leucocytes |
| WO1992004906A1 (fr) * | 1990-09-25 | 1992-04-02 | Asahi Medical Co., Ltd. | Procede et systeme de filtres d'extraction de leucocytes |
| JPH0515584A (ja) * | 1991-07-05 | 1993-01-26 | Nissho Corp | 白血球除去フイルター |
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1996
- 1996-12-26 KR KR1019970705894A patent/KR100220927B1/ko not_active Expired - Fee Related
- 1996-12-26 CA CA002213092A patent/CA2213092C/en not_active Expired - Fee Related
- 1996-12-26 ES ES96942654T patent/ES2202491T3/es not_active Expired - Lifetime
- 1996-12-26 AT AT96942654T patent/ATE246028T1/de not_active IP Right Cessation
- 1996-12-26 EP EP96942654A patent/EP0811412B1/en not_active Expired - Lifetime
- 1996-12-26 JP JP51330097A patent/JP3941838B2/ja not_active Expired - Fee Related
- 1996-12-26 DE DE69629280T patent/DE69629280T2/de not_active Expired - Lifetime
- 1996-12-26 US US08/894,320 patent/US6048464A/en not_active Expired - Fee Related
- 1996-12-26 CN CN96192159A patent/CN1067911C/zh not_active Expired - Fee Related
- 1996-12-26 WO PCT/JP1996/003814 patent/WO1997023266A1/ja not_active Ceased
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| JPH0246857A (ja) * | 1988-08-10 | 1990-02-16 | Kawasumi Lab Inc | 白血球分離材 |
| US5290449A (en) * | 1991-07-22 | 1994-03-01 | Lydall, Inc. | Blood filter material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100512891C (zh) * | 2002-12-02 | 2009-07-15 | 旭化成医疗株式会社 | 用于去除白细胞的方法、白细胞除去过滤器及其使用 |
| CN102006876B (zh) * | 2008-04-14 | 2012-07-25 | 旭化成医疗株式会社 | 凝集物除去过滤材料及血液制剂的过滤方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69629280T2 (de) | 2004-04-22 |
| WO1997023266A1 (en) | 1997-07-03 |
| ATE246028T1 (de) | 2003-08-15 |
| EP0811412A1 (en) | 1997-12-10 |
| ES2202491T3 (es) | 2004-04-01 |
| CA2213092C (en) | 2001-01-23 |
| AU697577B2 (en) | 1998-10-08 |
| JP3941838B2 (ja) | 2007-07-04 |
| KR100220927B1 (ko) | 1999-09-15 |
| KR19980702494A (ko) | 1998-07-15 |
| CA2213092A1 (en) | 1997-07-03 |
| EP0811412B1 (en) | 2003-07-30 |
| DE69629280D1 (de) | 2003-09-04 |
| CN1176607A (zh) | 1998-03-18 |
| AU1174097A (en) | 1997-07-17 |
| US6048464A (en) | 2000-04-11 |
| EP0811412A4 (en) | 2001-08-22 |
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