DE69231566D1 - Filtermedium zur selektiven entfernung von leukozyten und entsprechende vorrichtung - Google Patents

Filtermedium zur selektiven entfernung von leukozyten und entsprechende vorrichtung

Info

Publication number
DE69231566D1
DE69231566D1 DE69231566T DE69231566T DE69231566D1 DE 69231566 D1 DE69231566 D1 DE 69231566D1 DE 69231566 T DE69231566 T DE 69231566T DE 69231566 T DE69231566 T DE 69231566T DE 69231566 D1 DE69231566 D1 DE 69231566D1
Authority
DE
Germany
Prior art keywords
filter medium
leucocytes
selectively removing
selective removal
appropriate device
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
Application number
DE69231566T
Other languages
English (en)
Other versions
DE69231566T2 (de
Inventor
Tatsuya Fukuda
Takao Nishimura
Naokuni Yamawaki
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.)
Asahi Kasei Medical Co Ltd
Original Assignee
Asahi Medical Co 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
Priority claimed from JP20426592A external-priority patent/JP3270125B2/ja
Application filed by Asahi Medical Co Ltd filed Critical Asahi Medical Co Ltd
Publication of DE69231566D1 publication Critical patent/DE69231566D1/de
Application granted granted Critical
Publication of DE69231566T2 publication Critical patent/DE69231566T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A61M1/3633—Blood component filters, e.g. leukocyte filters
    • 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
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin
    • 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
DE69231566T 1991-08-22 1992-08-24 Filtermedium zur selektiven entfernung von leukozyten und entsprechende vorrichtung Expired - Fee Related DE69231566T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP23370291 1991-08-22
JP20426592A JP3270125B2 (ja) 1992-07-09 1992-07-09 白血球捕捉材
PCT/JP1992/001064 WO1993003740A1 (en) 1991-08-22 1992-08-24 Filter medium for selective removal of leukocytes and device packed therewith

Publications (2)

Publication Number Publication Date
DE69231566D1 true DE69231566D1 (de) 2000-12-21
DE69231566T2 DE69231566T2 (de) 2001-06-21

Family

ID=26514377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69231566T Expired - Fee Related DE69231566T2 (de) 1991-08-22 1992-08-24 Filtermedium zur selektiven entfernung von leukozyten und entsprechende vorrichtung

Country Status (6)

Country Link
US (2) US5478470A (de)
EP (1) EP0554460B1 (de)
AT (1) ATE197547T1 (de)
DE (1) DE69231566T2 (de)
ES (1) ES2151492T3 (de)
WO (1) WO1993003740A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69314154T2 (de) * 1992-12-28 1998-04-30 Asahi Medical Co Filtermaterial, Vorrichtung und Verfahren zum Abtrennen von Leukozyten
JP3436781B2 (ja) * 1993-09-22 2003-08-18 日本バイリーン株式会社 濾 材
WO1995017234A1 (en) * 1993-12-22 1995-06-29 Baxter International Inc. Methods for characterizing complex filtration media
US5647985A (en) * 1994-10-17 1997-07-15 Baxter International Inc. Whole blood leukodepletion and platelet filter
US6746482B2 (en) 1994-10-17 2004-06-08 Baxter International Inc. Method for producing medical devices and devices so produced
US6306454B1 (en) 1994-10-17 2001-10-23 Baxter International Inc. Method for producing improved medical devices and devices so produced
US6045701A (en) * 1994-10-17 2000-04-04 Baxter International Inc. Method of filtering a fluid suspension with a membrane having a particular coating
US5972217A (en) * 1994-10-17 1999-10-26 Baxter International Inc. Blood cell separation devices having a membrane with particular coating
US5728306A (en) * 1994-12-23 1998-03-17 Baxter International Inc. Leukodepletion filter and method for filtering leukocytes from freshly drawn blood
WO1996032178A1 (en) * 1995-04-13 1996-10-17 Travenol Laboratories (Israel) Ltd. Leukocyte filtration method and apparatus
ES2202491T3 (es) * 1995-12-26 2004-04-01 Asahi Medical Co., Ltd. Material de filtracion para la eliminacion de leucocitos.
US6168718B1 (en) 1996-11-08 2001-01-02 Pall Corporation Method for purifying blood plasma and apparatus suitable therefor
EP0938351A1 (de) * 1996-11-08 1999-09-01 Pall Corporation Verfahren zum reinigen von blutplasma
US5879624A (en) 1997-01-15 1999-03-09 Boehringer Laboratories, Inc. Method and apparatus for collecting and processing blood
US6662956B2 (en) 1997-03-18 2003-12-16 Selecto, Inc. Nanocrystal-containing filtration media
CA2294500C (en) * 1997-06-26 2003-12-23 Asahi Medical Co., Ltd. Leukocyte-removing filter medium
FR2799986B1 (fr) * 1999-10-20 2001-11-23 Maco Pharma Sa Unite de filtration d'une substance virucide
US6267252B1 (en) 1999-12-08 2001-07-31 Kimberly-Clark Worldwide, Inc. Fine particle filtration medium including an airlaid composite
FR2802116B1 (fr) 1999-12-10 2002-05-03 Maco Pharma Sa Unite de filtration sterile d'un fluide,notamment le sang
IL137077A (en) 2000-06-28 2003-05-29 Teva Medical Ltd Leukoreduction filter
US6612447B1 (en) 2000-07-24 2003-09-02 Baxter International Inc. Blood collection systems and filters using a porous membrane element
TW591106B (en) * 2000-10-06 2004-06-11 Ind Tech Res Inst Carrier for cell attachment or fixation and its process for preparation
FR2825617B1 (fr) * 2001-06-12 2004-05-28 Maco Pharma Sa Poche pourvue de moyens d'association temporaire d'un filtre
US7393628B2 (en) * 2002-10-08 2008-07-01 American National Red Cross Method for enriching adherent monocyte populations
EP1582228B2 (de) 2002-12-02 2019-03-13 Asahi Kasei Medical Co., Ltd. Verfahren zur entfernung von leukozyten,leukozyten entfernender filter und seine verwendung
US20040126405A1 (en) * 2002-12-30 2004-07-01 Scimed Life Systems, Inc. Engineered scaffolds for promoting growth of cells
US7083697B2 (en) * 2002-12-30 2006-08-01 Boston Scientific Scimed, Inc. Porous spun polymeric structures and method of making same
ITTO20030039A1 (it) * 2003-01-24 2004-07-25 Fresenius Hemocare Italia Srl Filtro per separare leucociti da sangue intero e/o da preparati derivati dal sangue, procedimento per la fabbricazione del filtro, dispositivo e utilizzazione.
US7109304B2 (en) * 2003-07-31 2006-09-19 Immunomedics, Inc. Humanized anti-CD19 antibodies
US8900462B2 (en) 2004-06-09 2014-12-02 Asahi Kasei Medical Co., Ltd Method for removing leukocyte and filter for use therein
EP1931445B1 (de) * 2005-08-31 2018-08-01 Gambro Lundia AB Cycloolefincopolymer als material zur verminderung des gehalts an leukozyten
DK2956469T3 (en) * 2013-02-18 2019-04-01 Wisconsin Alumni Res Found METHODS AND COMPOSITIONS FOR PROTEIN CONCENTRATION
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
US10376627B2 (en) 2014-03-24 2019-08-13 Fenwal, Inc. Flexible biological fluid filters
US9796166B2 (en) 2014-03-24 2017-10-24 Fenwal, Inc. Flexible biological fluid filters
US9782707B2 (en) 2014-03-24 2017-10-10 Fenwal, Inc. Biological fluid filters having flexible walls and methods for making such filters
US20170266362A1 (en) 2014-08-26 2017-09-21 3M Innovative Properties Company System for removal of pro-inflammatory mediators as well as granulocytes and monocytes from blood
MX2019001967A (es) * 2016-08-18 2019-07-08 Asahi Kasei Medical Co Ltd Elemento filtrante para filtro de procesamiento de sangre, filtro de procesamiento de sangre y metodo de remocion de leucocitos.
JP6698870B2 (ja) * 2016-11-29 2020-05-27 富士フイルム株式会社 血液成分選択吸着濾材および血液フィルター
US11344653B2 (en) 2016-12-22 2022-05-31 Daicel Corporation Bone fixing material
US11419970B2 (en) * 2016-12-22 2022-08-23 Daicel Corporation Blood filter

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246107A (en) * 1978-03-06 1981-01-20 Asahi Kasei Kogyo Kabushiki Kaisha Separation of lymphocytes from lymphocyte-containing suspension by filtration
JPS58206527A (ja) * 1982-05-26 1983-12-01 Asahi Chem Ind Co Ltd 白血球成分中の単球とリンパ球の分離材
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
JPS6326089A (ja) * 1986-07-18 1988-02-03 Fujitsu General Ltd テレビ受信機
JPS6475014A (en) * 1987-09-18 1989-03-20 Terumo Corp Filter for separating leukocytes
US4925572A (en) * 1987-10-20 1990-05-15 Pall Corporation Device and method for depletion of the leukocyte content of blood and blood components
US4923620A (en) * 1987-10-20 1990-05-08 Pall Corporation Device for depletion of the leukocyte content of blood and blood components
US4880548A (en) * 1988-02-17 1989-11-14 Pall Corporation Device and method for separating leucocytes from platelet concentrate
JPH0651631B2 (ja) * 1988-03-03 1994-07-06 テルモ株式会社 白血球分離材
NL8802888A (nl) * 1988-11-23 1990-06-18 Akzo Nv Filter en werkwijze voor het vervaardigen van een leucocytenarme trombocytensuspensie.
DE69005354T4 (de) * 1989-05-09 1994-12-01 Pall Corp Vorrichtung und Verfahren zur Verminderung des Leukocytengehalts von Blut und Blutkomponenten.
US5344561A (en) * 1989-05-09 1994-09-06 Pall Corporation Device for depletion of the leucocyte content of blood and blood components
EP0406485A1 (de) * 1989-07-03 1991-01-09 NPBI Nederlands Produktielaboratorium voor Bloedtransfusieapparatuur en Infusievloeistoffen B.V. Verfahren zur Abscheidung von Leukocyten aus einer Leukocyten enthaltenden Suspension und Filter zur Verwendung dazu
JPH0825886B2 (ja) * 1989-07-14 1996-03-13 テルモ株式会社 白血球捕捉用フィルター材およびその製造方法
JP2918595B2 (ja) * 1989-09-18 1999-07-12 テルモ株式会社 白血球分離器
JP2523938B2 (ja) * 1989-09-18 1996-08-14 テルモ株式会社 血小板純化用フィルタ―
DE69133218T2 (de) * 1990-09-25 2004-02-12 Asahi Medical Co. Ltd. Methode und filtersystem zur entfernung von leukozyten

Also Published As

Publication number Publication date
ATE197547T1 (de) 2000-12-15
ES2151492T3 (es) 2001-01-01
EP0554460A4 (de) 1994-03-09
EP0554460B1 (de) 2000-11-15
US5665233A (en) 1997-09-09
WO1993003740A1 (en) 1993-03-04
DE69231566T2 (de) 2001-06-21
US5478470A (en) 1995-12-26
EP0554460A1 (de) 1993-08-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ASAHI KASEI MEDICAL CO.,LTD., TOKIO, JP

8339 Ceased/non-payment of the annual fee