ATE326990T1 - Filtermaterial zur entfernung von weissen blutkörperchen - Google Patents

Filtermaterial zur entfernung von weissen blutkörperchen

Info

Publication number
ATE326990T1
ATE326990T1 AT98938975T AT98938975T ATE326990T1 AT E326990 T1 ATE326990 T1 AT E326990T1 AT 98938975 T AT98938975 T AT 98938975T AT 98938975 T AT98938975 T AT 98938975T AT E326990 T1 ATE326990 T1 AT E326990T1
Authority
AT
Austria
Prior art keywords
removal
blood cells
filter material
white blood
hydrophilic
Prior art date
Application number
AT98938975T
Other languages
English (en)
Inventor
Tatsuya Fukuda
Norio Thoma
Original Assignee
Asahi Kasei 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
Application filed by Asahi Kasei Medical Co Ltd filed Critical Asahi Kasei Medical Co Ltd
Application granted granted Critical
Publication of ATE326990T1 publication Critical patent/ATE326990T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • 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
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic 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
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • 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
    • 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
    • B01D2239/12—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization
AT98938975T 1997-08-28 1998-08-25 Filtermaterial zur entfernung von weissen blutkörperchen ATE326990T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24781297 1997-08-28

Publications (1)

Publication Number Publication Date
ATE326990T1 true ATE326990T1 (de) 2006-06-15

Family

ID=17169039

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98938975T ATE326990T1 (de) 1997-08-28 1998-08-25 Filtermaterial zur entfernung von weissen blutkörperchen

Country Status (10)

Country Link
US (1) US6352642B1 (de)
EP (1) EP1016426B1 (de)
JP (1) JP4271265B2 (de)
KR (1) KR100343092B1 (de)
CN (1) CN1177620C (de)
AT (1) ATE326990T1 (de)
AU (1) AU726974B2 (de)
CA (1) CA2301726C (de)
DE (1) DE69834651T2 (de)
WO (1) WO1999011304A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1230940B1 (de) * 1999-11-01 2007-06-13 Asahikasei Medical Co., Ltd. Filter für die selektive entfernung von leukozyten
JP2002161048A (ja) * 2000-11-24 2002-06-04 Terumo Corp 血小板放出因子調製用フィルター及び血小板放出因子の調製方法
US20020084221A1 (en) * 2000-12-05 2002-07-04 Verkaart Wesley H. Method for precipitating red blood cells
US7721898B2 (en) 2001-07-31 2010-05-25 Asahi Kasei Medical Co., Ltd. Coating material for leukocyte removal filter and the filter
US7410066B2 (en) * 2001-12-03 2008-08-12 Ashai Kasei Medical Co., Ltd Filter for selectively eliminating leukocytes
US7439013B2 (en) * 2002-06-17 2008-10-21 Asahi Kasei Kuraray Medical Co., Ltd. Biocompatible polymer and filter for selectively eliminating leucocytes using the same
US7592134B2 (en) 2002-10-16 2009-09-22 Asahi Kasei Medical Co., Ltd. Viral reduction method for plasma using a leukocyte-reduction filter and two virus-reduction filters of decreasing pore diameters
CN101862564B (zh) * 2010-03-16 2012-03-21 苏州市玮琪生物科技有限公司 一种微量血样预处理系统及其制备工艺
TWI410269B (zh) * 2010-09-16 2013-10-01 私立中原大學 白血球過濾材料及其過濾方法
EP2495025A1 (de) * 2011-03-04 2012-09-05 Fresenius Medical Care Deutschland GmbH Filter zur Entfernung von Mikrovesikeln aus biologischen Flüssigkeiten sowie Verfahren und Vorrichtungen damit
US20140234506A1 (en) * 2013-02-18 2014-08-21 Wisconsin Alumni Research Foundation Methods and compositions for protein concentration
EP3006058B1 (de) * 2013-06-07 2021-11-10 Nissan Chemical Corporation Blutfilter und verfahren zur herstellung davon
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
US10159778B2 (en) 2014-03-24 2018-12-25 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
US10376627B2 (en) 2014-03-24 2019-08-13 Fenwal, Inc. Flexible biological fluid filters
WO2016030357A1 (de) 2014-08-26 2016-03-03 3M Innovative Properties Company System zur entfernung von proinflammatorischen mediatoren sowie von granulozyten und monozyten aus blut
CN106117590A (zh) * 2016-06-22 2016-11-16 广州新克力生物科技有限公司 一种白细胞过滤膜的改性方法
CN106117580A (zh) * 2016-06-23 2016-11-16 广州新克力生物科技有限公司 一种用于滤除白细胞的滤膜改性剂及其改性方法
ES2845176T3 (es) * 2016-08-18 2021-07-26 Asahi Kasei Medical Co Ltd Elemento de filtro para filtro de tratamiento de sangre, filtro de tratamiento de sangre y método de retirada de leucocitos

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711793A (en) * 1980-10-27 1987-12-08 Cuno Incorporated Process for charge modifying a microphorous membrane
DE3785993T2 (de) * 1986-03-28 1994-02-10 Asahi Medical Co Filtermedium zur selektiven beseitigung von leucocyten.
CA1335713C (en) 1988-02-17 1995-05-30 David Boris Pall Device and method for separating leucocytes from platelet concentrate
CA1329559C (en) * 1988-03-03 1994-05-17 Keiji Naoi Leukocyte separator and method of making the same
US5344561A (en) * 1989-05-09 1994-09-06 Pall Corporation Device for depletion of the leucocyte content of blood and blood components
US5217627A (en) * 1990-11-06 1993-06-08 Pall Corporation System and method for processing biological fluid
JP3124565B2 (ja) 1991-02-22 2001-01-15 テルモ株式会社 白血球除去フィルターおよび白血球除去装置
US5498336A (en) * 1991-02-22 1996-03-12 Terumo Kabushiki Kaisha Leukocyte-removing filter and leukocyte-removing apparatus furnished therewith
US5407581A (en) * 1992-03-17 1995-04-18 Asahi Medical Co., Ltd. Filter medium having a limited surface negative charge for treating a blood material
DE69327891T2 (de) * 1992-07-06 2000-07-20 Terumo Corp Material zur Entfernung von pathogener Substanz und mit diesem Material hergestellter Blutfilter
JP3657013B2 (ja) * 1992-12-28 2005-06-08 旭化成メディカル株式会社 白血球除去フィルター材料、白血球除去装置および白血球除去方法
EP0606646B1 (de) 1992-12-28 1997-09-24 Asahi Medical Co., Ltd. Filtermaterial, Vorrichtung und Verfahren zum Abtrennen von Leukozyten
JP2000515062A (ja) * 1996-07-08 2000-11-14 ユーエスエフ フィルトレイション アンド セパレーションズ グループ インコーポレイテッド カチオン電荷修飾されたメンブレン

Also Published As

Publication number Publication date
KR20010023349A (ko) 2001-03-26
DE69834651D1 (de) 2006-06-29
AU726974B2 (en) 2000-11-30
CA2301726A1 (en) 1999-03-11
EP1016426B1 (de) 2006-05-24
EP1016426A4 (de) 2001-08-22
JP4271265B2 (ja) 2009-06-03
DE69834651T2 (de) 2007-04-26
CN1268893A (zh) 2000-10-04
KR100343092B1 (ko) 2002-07-05
WO1999011304A1 (fr) 1999-03-11
CA2301726C (en) 2003-06-10
CN1177620C (zh) 2004-12-01
EP1016426A1 (de) 2000-07-05
US6352642B1 (en) 2002-03-05
AU8750498A (en) 1999-03-22

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