ATE274932T1 - Leukozytenfilter und verfahren zu seiner herstellung - Google Patents

Leukozytenfilter und verfahren zu seiner herstellung

Info

Publication number: ATE274932T1
Authority: AT; Austria
Prior art keywords: production; chem; filter; carbon atoms; alkyl group
Prior art date: 1999-01-07

Application number

AT99310618T

Other languages

English (en)

Inventor

Tadahiro Motomura

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.)

1999-01-07

Filing date

1999-12-29

Publication date

2004-09-15

1999-12-29 Application filed by Terumo Corp filed Critical Terumo Corp

2004-09-15 Application granted granted Critical

2004-09-15 Publication of ATE274932T1 publication Critical patent/ATE274932T1/de

Links

210000000265 leukocyte Anatomy 0.000 title abstract 2
125000000217 alkyl group Chemical group 0.000 abstract 2
125000004432 carbon atom Chemical group C* 0.000 abstract 2
229920000642 polymer Polymers 0.000 abstract 2
125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 abstract 1
239000011248 coating agent Substances 0.000 abstract 1
238000000576 coating method Methods 0.000 abstract 1
238000001035 drying Methods 0.000 abstract 1
230000008030 elimination Effects 0.000 abstract 1
238000003379 elimination reaction Methods 0.000 abstract 1
230000001747 exhibiting effect Effects 0.000 abstract 1
125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
125000000896 monocarboxylic acid group Chemical group 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1
239000000758 substrate Substances 0.000 abstract 1

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
- A61M1/36—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
- B01D39/1692—Other shaped material, e.g. perforated or porous sheets

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Vascular Medicine (AREA)
Engineering & Computer Science (AREA)
Heart & Thoracic Surgery (AREA)
Chemical Kinetics & Catalysis (AREA)
Biomedical Technology (AREA)
Animal Behavior & Ethology (AREA)
Manufacturing & Machinery (AREA)
Anesthesiology (AREA)
Inorganic Chemistry (AREA)
Hematology (AREA)
Life Sciences & Earth Sciences (AREA)
Cardiology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
External Artificial Organs (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Filtering Materials (AREA)

AT99310618T 1999-01-07 1999-12-29 Leukozytenfilter und verfahren zu seiner herstellung ATE274932T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP00175699A JP3640824B2 (ja)	1999-01-07	1999-01-07	白血球除去フィルターおよびその製造方法

Publications (1)

Publication Number	Publication Date
ATE274932T1 true ATE274932T1 (de)	2004-09-15

Family

ID=11510436

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT99310618T ATE274932T1 (de)	1999-01-07	1999-12-29	Leukozytenfilter und verfahren zu seiner herstellung

Country Status (6)

Country	Link
US (1)	US6251276B1 (de)
EP (1)	EP1018346B1 (de)
JP (1)	JP3640824B2 (de)
AT (1)	ATE274932T1 (de)
DE (1)	DE69919831T2 (de)
ES (1)	ES2227977T3 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ATE364413T1 (de)	1999-11-01	2007-07-15	Asahi Kasei Medical Co Ltd	Filter für die selektive entfernung von leukozyten
US7156240B2 (en) *	2001-01-29	2007-01-02	Asahi Kasei Medical Co., Ltd.	Filter for processing blood and process for producing the same
JP4531310B2 (ja) *	2001-09-07	2010-08-25	旭化成メディカル株式会社	生体成分分離用フィルターホルダー、フィルターユニット、及びそれを用いた血液濾過フィルターの性能評価方法
ITTO20020736A1 (it) *	2002-08-21	2004-02-22	Fresenius Hemocare Italia Srl	Filtro per leucociti e suo impiego per l'impoverimento di prodotti del sangue da leucociti.
GB2414241A (en) *	2004-05-20	2005-11-23	Asahi Chemical Ind	Polyurethane for adsorbing leukocytes
GB0418123D0 (en) *	2004-08-13	2004-09-15	Asahi Chemical Ind	Polymers useful as medical materials
JP2006333850A (ja) *	2005-06-06	2006-12-14	Asahi Kasei Corp	生物粒子分離用基材
BRPI0816165A2 (pt)	2007-08-31	2015-02-24	Univ Michigan	Dispositivo de citaferese seletiva e seus métodos relacionados
EP2363501A1 (de) *	2010-03-02	2011-09-07	Universitätsklinikum Hamburg-Eppendorf	Verfahren zur Isolierung von Zielzellen
JP5826168B2 (ja) *	2010-03-31	2015-12-02	旭化成メディカル株式会社	白血球除去器のプライミングシステム及びプライミング方法
AU2011315839B2 (en)	2010-10-15	2016-02-18	Seastar Medical Inc.	Cytopheresic cartridge and use thereof
AU2012364760B2 (en)	2012-01-09	2018-05-31	Seastar Medical Inc.	Cartridge and method for increasing myocardial function
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
US10159778B2 (en)	2014-03-24	2018-12-25	Fenwal, Inc.	Biological fluid filters having flexible walls 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
US10376627B2 (en)	2014-03-24	2019-08-13	Fenwal, Inc.	Flexible biological fluid filters
CN106794290B (zh)	2014-10-02	2020-11-06	旭化成医疗株式会社	源自生物体的液体处理过滤器及过滤器装置
CN106139935A (zh) *	2016-06-23	2016-11-23	广州新克力生物科技有限公司	一种白细胞和血小板的过滤膜及其制备方法
TWI715998B (zh)	2019-01-28	2021-01-11	笙特科技股份有限公司	過濾材料及其製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2723256A (en) *	1953-02-27	1955-11-08	Du Pont	Polymeric alkyl sulfate quaternary ammonium salts of the acrylyloxyethylamine type
DE2009218C3 (de)	1970-02-27	1980-07-17	Roehm Gmbh, 6100 Darmstadt	Verfahren zur Perlpolymerisation von äthylenisch ungesättigten Monomeren
JPS5144498B2 (de) *	1971-09-01	1976-11-29
US4154647A (en) *	1977-07-27	1979-05-15	Hercules Incorporated	Preparation of hydrophilic polyolefin fibers for use in papermaking
EP0190012B1 (de) *	1985-01-25	1993-01-07	Asahi Kasei Kogyo Kabushiki Kaisha	Nichtgewobene Stoffbahn, Öl-Wasser-Trennungsfilter und Verfahren zur Öl-Wasser-Trennung
EP0267286B1 (de) *	1986-03-28	1993-05-26	ASAHI MEDICAL Co., Ltd.	Filtermedium zur selektiven beseitigung von leucocyten
CA1329559C (en) *	1988-03-03	1994-05-17	Keiji Naoi	Leukocyte separator and method of making the same
DE69032500T2 (de) *	1989-09-12	1998-11-26	Pall Corp	Verfahren und vorrichtung zur behandlung von blut für die menschliche transfusion
US5498336A (en) *	1991-02-22	1996-03-12	Terumo Kabushiki Kaisha	Leukocyte-removing filter and leukocyte-removing apparatus furnished therewith
DE69327891T2 (de) *	1992-07-06	2000-07-20	Terumo K.K., Tokio/Tokyo	Material zur Entfernung von pathogener Substanz und mit diesem Material hergestellter Blutfilter

1999
- 1999-01-07 JP JP00175699A patent/JP3640824B2/ja not_active Expired - Fee Related
- 1999-12-29 DE DE69919831T patent/DE69919831T2/de not_active Expired - Lifetime
- 1999-12-29 AT AT99310618T patent/ATE274932T1/de not_active IP Right Cessation
- 1999-12-29 EP EP99310618A patent/EP1018346B1/de not_active Expired - Lifetime
- 1999-12-29 ES ES99310618T patent/ES2227977T3/es not_active Expired - Lifetime
- 1999-12-30 US US09/475,025 patent/US6251276B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP1018346A2 (de)	2000-07-12
DE69919831D1 (de)	2004-10-07
JP3640824B2 (ja)	2005-04-20
JP2000197814A (ja)	2000-07-18
US6251276B1 (en)	2001-06-26
EP1018346A3 (de)	2002-11-20
EP1018346B1 (de)	2004-09-01
DE69919831T2 (de)	2005-09-22
ES2227977T3 (es)	2005-04-01

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Legal Events

Date	Code	Title	Description
2005-03-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties