ZA9410258B - Filtration media for filtering leukocytes from blood cells - Google Patents
Filtration media for filtering leukocytes from blood cellsInfo
- Publication number
- ZA9410258B ZA9410258B ZA9410258A ZA9410258A ZA9410258B ZA 9410258 B ZA9410258 B ZA 9410258B ZA 9410258 A ZA9410258 A ZA 9410258A ZA 9410258 A ZA9410258 A ZA 9410258A ZA 9410258 B ZA9410258 B ZA 9410258B
- Authority
- ZA
- South Africa
- Prior art keywords
- blood cells
- filtration media
- filtering leukocytes
- leukocytes
- filtering
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title 2
- 210000000601 blood cell Anatomy 0.000 title 1
- 210000000265 leukocyte Anatomy 0.000 title 1
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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2003—Glass or glassy material
- B01D39/2017—Glass or glassy material the material being filamentary or fibrous
-
- 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
- A61M1/02—Blood transfusion apparatus
- A61M1/0209—Multiple bag systems for separating or storing blood components
- A61M1/0218—Multiple bag systems for separating or storing blood components with filters
- A61M1/0222—Multiple bag systems for separating or storing blood components with filters and filter bypass
-
- 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
- A61M1/3635—Constructional details
- A61M1/3636—Constructional details having a flexible housing
-
- 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
- A61M1/3643—Priming, rinsing before or after use
- A61M1/3644—Mode of operation
- A61M1/3652—Mode of operation using gas, e.g. air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/012—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/908—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding provoking a tangential stream
-
- 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
- B01D39/14—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
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- 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
- B01D2239/0471—Surface coating material
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0618—Non-woven
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- 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
- B01D2239/1233—Fibre diameter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/26—Composite fibers made of two or more materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
Landscapes
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Textile Engineering (AREA)
- Geology (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17360893A | 1993-12-22 | 1993-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA9410258B true ZA9410258B (en) | 1995-08-29 |
Family
ID=22632793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9410258A ZA9410258B (en) | 1993-12-22 | 1994-12-22 | Filtration media for filtering leukocytes from blood cells |
Country Status (8)
Country | Link |
---|---|
US (1) | US6032807A (xx) |
EP (1) | EP0684866B1 (xx) |
JP (1) | JPH08509991A (xx) |
AU (1) | AU685573B2 (xx) |
CA (1) | CA2155732A1 (xx) |
DE (1) | DE69417549T2 (xx) |
WO (1) | WO1995017236A1 (xx) |
ZA (1) | ZA9410258B (xx) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6422397B1 (en) | 1993-12-22 | 2002-07-23 | Baxter International, Inc. | Blood collection systems including an integral, flexible filter |
US6367634B1 (en) | 1993-12-22 | 2002-04-09 | Baxter International Inc. | Blood collection systems including an integral, flexible filter |
US20010037978A1 (en) | 1999-04-20 | 2001-11-08 | Daryl R. Calhoun | Filter assembly having a flexible housing and method of making same |
US6325422B1 (en) | 1995-10-20 | 2001-12-04 | Harvest Technologies Corporation | Filter bag and connector cartridge |
DE69834809T2 (de) | 1997-04-08 | 2007-05-16 | Pall Corp. | Verfahren zur gewinnung von seltenen zellen aus blutprodukten |
WO1999000172A1 (fr) * | 1997-06-26 | 1999-01-07 | Asahi Medical Co., Ltd. | Milieu filtrant pour leucopherese |
EP1566189B1 (en) * | 1998-05-19 | 2007-11-21 | Terumo Kabushiki Kaisha | White blood cell-removing device |
ES2374873T3 (es) * | 2000-07-10 | 2012-02-22 | Asahi Kasei Medical Co., Ltd. | Filtro para el procesamiento de sangre. |
US20030209479A1 (en) * | 2000-07-10 | 2003-11-13 | Lynn Daniel R | Blood filters, blood collection and processing systems, and methods therefore |
US6612447B1 (en) * | 2000-07-24 | 2003-09-02 | Baxter International Inc. | Blood collection systems and filters using a porous membrane element |
US7270693B2 (en) * | 2000-09-05 | 2007-09-18 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
US7115150B2 (en) * | 2000-09-05 | 2006-10-03 | Donaldson Company, Inc. | Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method |
US6746517B2 (en) * | 2000-09-05 | 2004-06-08 | Donaldson Company, Inc. | Filter structure with two or more layers of fine fiber having extended useful service life |
US6743273B2 (en) * | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
WO2002061318A1 (en) * | 2001-01-31 | 2002-08-08 | Hemerus Medical, Llc | Multi-purpose tubing apparatus |
DE60237649D1 (de) * | 2001-04-13 | 2010-10-21 | Asahi Kasei Medical Co Ltd | Flüssigkeitsfiltrierverfahren |
RU2300543C2 (ru) * | 2001-05-31 | 2007-06-10 | Дональдсон Компани, Инк. | Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала |
MXPA04006659A (es) | 2002-01-09 | 2005-03-31 | Asahi Medical Co | Producto unido por fusion de material no poroso con material poroso. |
JP5048340B2 (ja) * | 2005-01-06 | 2012-10-17 | 旭化成メディカル株式会社 | 白血球除去方法 |
US7655146B2 (en) | 2006-02-20 | 2010-02-02 | Asahi Kasei Medical Co., Ltd. | Method for filtering blood or blood components using leukocyte-removing filter and filter device |
US9620249B2 (en) * | 2007-08-31 | 2017-04-11 | Global Nuclear Fuel—Americas, LLC | Debris shield upper tie plate for nuclear fuel assembly and method to shield assembly from debris |
US8470236B2 (en) * | 2008-11-25 | 2013-06-25 | E I Du Pont De Nemours And Company | Process of making a non-woven web |
JP5319341B2 (ja) * | 2009-03-16 | 2013-10-16 | 旭化成メディカル株式会社 | 凝集物除去フィルター材 |
CN102405069B (zh) | 2009-04-23 | 2015-09-16 | 费森尼斯医疗德国公司 | 凝块截阻装置、外部功能性装置、血液回路及处理设备 |
WO2012039400A1 (ja) | 2010-09-21 | 2012-03-29 | 旭化成メディカル株式会社 | 血液処理フィルター、及び血液処理フィルターの製造方法 |
CN103118717B (zh) | 2010-09-21 | 2015-08-19 | 旭化成医疗株式会社 | 血液处理过滤器及血液处理过滤器的制造方法 |
EP2659916B1 (en) * | 2010-12-27 | 2016-11-16 | Asahi Kasei Medical Co., Ltd. | Blood processing filter, blood circuit system, and centrifugation method |
EP2659920B1 (en) | 2010-12-27 | 2017-05-31 | Asahi Kasei Medical Co., Ltd. | Blood processing filter, and priming method for blood processing filter |
KR101501047B1 (ko) | 2010-12-27 | 2015-03-11 | 아사히 가세이 메디컬 가부시키가이샤 | 혈액 처리 필터 |
US10064988B2 (en) | 2013-06-20 | 2018-09-04 | Fenwal, Inc. | Biological fluid filters with port for optimized flow distribution |
ES2671723T3 (es) | 2013-10-02 | 2018-06-08 | Asahi Kasei Medical Co., Ltd. | Filtro de procesamiento de sangre y método de procesamiento de sangre |
WO2015050213A1 (ja) | 2013-10-03 | 2015-04-09 | 旭化成メディカル株式会社 | 血液処理フィルター及び血液処理フィルターの製造方法 |
JP6101356B2 (ja) | 2013-10-03 | 2017-03-22 | 旭化成メディカル株式会社 | 血液処理フィルター及び血液処理フィルターの製造方法 |
KR101885447B1 (ko) | 2014-03-10 | 2018-08-03 | 아사히 가세이 메디컬 가부시키가이샤 | 혈액 처리 필터 |
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 |
US9968738B2 (en) | 2014-03-24 | 2018-05-15 | Fenwal, Inc. | Biological fluid filters with molded frame 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 |
US9782707B2 (en) | 2014-03-24 | 2017-10-10 | Fenwal, Inc. | Biological fluid filters having flexible walls and methods for making such filters |
USD734467S1 (en) | 2014-03-24 | 2015-07-14 | Fenwal, Inc. | Blood filter |
JP6368369B2 (ja) | 2014-07-07 | 2018-08-01 | 旭化成メディカル株式会社 | 血液処理フィルター、及び血液処理フィルターの製造方法 |
US10288556B2 (en) | 2016-04-21 | 2019-05-14 | Instrumentation Laboratory Company | Optical flow cell apparatus and method for reducing deflection of sample chamber |
WO2020223596A1 (en) | 2019-05-02 | 2020-11-05 | Kellbenx Incorporated | Filtration-based methods for preparing fetal nucleated red blood cells (nrbcs) for diagnostic testing |
EP3998115A4 (en) | 2019-07-11 | 2023-03-22 | Asahi Kasei Medical Co., Ltd. | BLOOD TREATMENT FILTERS |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL51209A (en) | 1976-03-25 | 1981-02-27 | Baxter Travenol Lab | Blood filter |
GB2018151B (en) * | 1978-03-06 | 1982-12-08 | Asahi Chemical Ind | Seperation of leukocytes from leukocyte-containing suspension by filtration |
US4274914A (en) | 1978-08-28 | 1981-06-23 | Celanese Corporation | Filter material |
US4701267B1 (en) | 1984-03-15 | 1996-03-12 | Asahi Medical Co | Method for removing leukocytes |
US5152905A (en) * | 1989-09-12 | 1992-10-06 | Pall Corporation | Method for processing blood for human transfusion |
ATE234621T1 (de) * | 1990-09-25 | 2003-04-15 | Asahi Medical Co | Methode und filtersystem zur entfernung von leukozyten |
US5290449A (en) * | 1991-07-22 | 1994-03-01 | Lydall, Inc. | Blood filter material |
US5190657A (en) | 1991-07-22 | 1993-03-02 | Lydall, Inc. | Blood filter and method of filtration |
US5186843A (en) * | 1991-07-22 | 1993-02-16 | Ahlstrom Filtration, Inc. | Blood separation media and method for separating plasma from whole blood |
US5591337A (en) * | 1993-09-14 | 1997-01-07 | Baxter International Inc. | Apparatus for filtering leukocytes from blood cells |
-
1994
- 1994-12-20 CA CA002155732A patent/CA2155732A1/en not_active Abandoned
- 1994-12-20 EP EP95906088A patent/EP0684866B1/en not_active Expired - Lifetime
- 1994-12-20 WO PCT/US1994/014819 patent/WO1995017236A1/en active IP Right Grant
- 1994-12-20 AU AU14438/95A patent/AU685573B2/en not_active Ceased
- 1994-12-20 DE DE69417549T patent/DE69417549T2/de not_active Expired - Fee Related
- 1994-12-20 JP JP7517613A patent/JPH08509991A/ja active Pending
- 1994-12-22 ZA ZA9410258A patent/ZA9410258B/xx unknown
-
1996
- 1996-08-21 US US08/697,270 patent/US6032807A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0684866A4 (en) | 1997-01-22 |
EP0684866B1 (en) | 1999-03-31 |
AU685573B2 (en) | 1998-01-22 |
WO1995017236A1 (en) | 1995-06-29 |
CA2155732A1 (en) | 1995-06-29 |
DE69417549T2 (de) | 1999-11-25 |
AU1443895A (en) | 1995-07-10 |
JPH08509991A (ja) | 1996-10-22 |
US6032807A (en) | 2000-03-07 |
DE69417549D1 (de) | 1999-05-06 |
EP0684866A1 (en) | 1995-12-06 |
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