DE3888361T2 - Leukozyten-trennverfahren. - Google Patents

Leukozyten-trennverfahren.

Info

Publication number
DE3888361T2
DE3888361T2 DE3888361T DE3888361T DE3888361T2 DE 3888361 T2 DE3888361 T2 DE 3888361T2 DE 3888361 T DE3888361 T DE 3888361T DE 3888361 T DE3888361 T DE 3888361T DE 3888361 T2 DE3888361 T2 DE 3888361T2
Authority
DE
Germany
Prior art keywords
separation method
leukocyte separation
leukocyte
separation
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
DE3888361T
Other languages
English (en)
Other versions
DE3888361D1 (de
Inventor
Keiji Naoi
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.)
Terumo Corp
Original Assignee
Terumo 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 Terumo Corp filed Critical Terumo Corp
Application granted granted Critical
Publication of DE3888361D1 publication Critical patent/DE3888361D1/de
Publication of DE3888361T2 publication Critical patent/DE3888361T2/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
    • B01D39/1669—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
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters
    • 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
DE3888361T 1987-09-18 1988-09-16 Leukozyten-trennverfahren. Expired - Fee Related DE3888361T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62232066A JPS6475014A (en) 1987-09-18 1987-09-18 Filter for separating leukocytes
PCT/JP1988/000942 WO1989002304A1 (en) 1987-09-18 1988-09-16 Leucocyte-separating filter

Publications (2)

Publication Number Publication Date
DE3888361D1 DE3888361D1 (de) 1994-04-14
DE3888361T2 true DE3888361T2 (de) 1994-07-07

Family

ID=16933450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3888361T Expired - Fee Related DE3888361T2 (de) 1987-09-18 1988-09-16 Leukozyten-trennverfahren.

Country Status (6)

Country Link
EP (1) EP0378684B1 (de)
JP (1) JPS6475014A (de)
KR (1) KR910006820B1 (de)
AU (1) AU610264B2 (de)
DE (1) DE3888361T2 (de)
WO (1) WO1989002304A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2817934B2 (ja) * 1989-02-28 1998-10-30 旭光学工業株式会社 細胞分離材及び分離器
EP0408462B1 (de) * 1989-07-14 1995-06-21 Terumo Kabushiki Kaisha Filtermaterial zum Abscheiden von Leukozyten und Verfahren zu seiner Herstellung
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―
JPH072007Y2 (ja) * 1991-07-08 1995-01-25 日本ベクトン・ディッキンソン株式会社 セルストレーナー
ES2151492T3 (es) * 1991-08-22 2001-01-01 Asahi Medical Co Material de filtro para eliminar selectivamente leucocitos y aparato con relleno del mismo.
IL104670A (en) * 1993-02-09 1998-04-05 Travenol Lab Israel Ltd Leukocyte removal method and filter unit for same
US6612447B1 (en) 2000-07-24 2003-09-02 Baxter International Inc. Blood collection systems and filters using a porous membrane element
US9782707B2 (en) 2014-03-24 2017-10-10 Fenwal, Inc. Biological fluid filters having flexible walls and methods for making such 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
US9796166B2 (en) 2014-03-24 2017-10-24 Fenwal, Inc. Flexible biological fluid filters
US10376627B2 (en) 2014-03-24 2019-08-13 Fenwal, Inc. Flexible biological fluid filters

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153779A (en) * 1978-05-25 1979-12-04 Kuraray Co Ltd Preparation of polyvinyl alcohol base selective transmission membrane
JPS55136955A (en) * 1979-04-13 1980-10-25 Asahi Chem Ind Co Ltd Filter for catching and gathering leucocyte
JPS58180425A (ja) * 1982-04-16 1983-10-21 Daicel Chem Ind Ltd 血液フイルタ−
JPH0657248B2 (ja) * 1985-03-29 1994-08-03 株式会社日本メデイカル・サプライ 血液フイルタ−

Also Published As

Publication number Publication date
JPS6475014A (en) 1989-03-20
KR890701182A (ko) 1989-12-19
WO1989002304A1 (en) 1989-03-23
EP0378684A4 (en) 1990-12-05
DE3888361D1 (de) 1994-04-14
KR910006820B1 (ko) 1991-09-06
AU2382488A (en) 1989-04-17
AU610264B2 (en) 1991-05-16
EP0378684A1 (de) 1990-07-25
EP0378684B1 (de) 1994-03-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee