ATE274932T1 - Leukozytenfilter und verfahren zu seiner herstellung - Google Patents
Leukozytenfilter und verfahren zu seiner herstellungInfo
- Publication number
- ATE274932T1 ATE274932T1 AT99310618T AT99310618T ATE274932T1 AT E274932 T1 ATE274932 T1 AT E274932T1 AT 99310618 T AT99310618 T AT 99310618T AT 99310618 T AT99310618 T AT 99310618T AT E274932 T1 ATE274932 T1 AT E274932T1
- Authority
- AT
- Austria
- Prior art keywords
- production
- chem
- filter
- carbon atoms
- alkyl group
- Prior art date
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)
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)
| 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 |
| DE60238819D1 (de) * | 2001-01-29 | 2011-02-17 | Asahi Kasei Medical Co Ltd | Filter zur behandlung von blut und verfahren zur herstellung desselben |
| 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 |
| DK3789056T3 (da) * | 2007-08-31 | 2025-06-23 | Seastar Medical Inc | Indretninger til selektiv cytoferese |
| EP2363501A1 (de) * | 2010-03-02 | 2011-09-07 | Universitätsklinikum Hamburg-Eppendorf | Verfahren zur Isolierung von Zielzellen |
| EP2554190B1 (de) * | 2010-03-31 | 2016-02-24 | Asahi Kasei Medical Co., Ltd. | System und verfahren zur entlüftung eines leukozytenentfernungsmittels |
| ES2909788T3 (es) | 2010-10-15 | 2022-05-10 | Seastar Medical Inc | Cartucho de citaféresis y uso del mismo |
| EP2802367A4 (de) | 2012-01-09 | 2015-12-16 | H David Humes | Patrone und verfahren zur erhöhung der herzmuskelfunktion |
| 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 |
| US9782707B2 (en) | 2014-03-24 | 2017-10-10 | 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 |
| JP6405387B2 (ja) | 2014-10-02 | 2018-10-17 | 旭化成メディカル株式会社 | 生体由来液処理フィルター及びフィルターデバイス |
| 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)
| 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 |
| DE3687419T2 (de) * | 1985-01-25 | 1993-05-19 | Asahi Chemical Ind | Nichtgewobene stoffbahn, oel-wasser-trennungsfilter und verfahren zur oel-wasser-trennung. |
| US4936998A (en) * | 1986-03-28 | 1990-06-26 | Asahi Medical Co., Ltd. | Filter medium for selectively removing leucocytes |
| CA1329559C (en) * | 1988-03-03 | 1994-05-17 | Keiji Naoi | Leukocyte separator and method of making the same |
| ATE193454T1 (de) * | 1989-09-12 | 2000-06-15 | Pall Corp | Verfahren und vorrichtung zur behandlung von menschlichem blut für die transfusion |
| US5498336A (en) * | 1991-02-22 | 1996-03-12 | Terumo Kabushiki Kaisha | Leukocyte-removing filter and leukocyte-removing apparatus furnished therewith |
| US5547576A (en) * | 1992-07-06 | 1996-08-20 | Terumo Kabushiki Kaisha | Pathogenic substance removing material and a blood filter containing the material |
-
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 EP EP99310618A patent/EP1018346B1/de not_active Expired - Lifetime
- 1999-12-29 ES ES99310618T patent/ES2227977T3/es not_active Expired - Lifetime
- 1999-12-29 AT AT99310618T patent/ATE274932T1/de not_active IP Right Cessation
- 1999-12-30 US US09/475,025 patent/US6251276B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1018346B1 (de) | 2004-09-01 |
| US6251276B1 (en) | 2001-06-26 |
| JP3640824B2 (ja) | 2005-04-20 |
| EP1018346A2 (de) | 2000-07-12 |
| EP1018346A3 (de) | 2002-11-20 |
| DE69919831D1 (de) | 2004-10-07 |
| JP2000197814A (ja) | 2000-07-18 |
| DE69919831T2 (de) | 2005-09-22 |
| ES2227977T3 (es) | 2005-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |