DK0598690T3 - Hulfibermembran med høj gennemstrømningshastighed med forbedret transportevne samt fremgangsmåde til fremstilling af samme - Google Patents

Hulfibermembran med høj gennemstrømningshastighed med forbedret transportevne samt fremgangsmåde til fremstilling af samme

Info

Publication number
DK0598690T3
DK0598690T3 DK93850213T DK93850213T DK0598690T3 DK 0598690 T3 DK0598690 T3 DK 0598690T3 DK 93850213 T DK93850213 T DK 93850213T DK 93850213 T DK93850213 T DK 93850213T DK 0598690 T3 DK0598690 T3 DK 0598690T3
Authority
DK
Denmark
Prior art keywords
membranes
urea
hollow fibers
producing
well
Prior art date
Application number
DK93850213T
Other languages
English (en)
Inventor
Anders Althin
Ben Fernandez
Raymond Elsen
Kees Ruzius
Lalith Silva
George Washington
Original Assignee
Althin Medical Inc
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 Althin Medical Inc filed Critical Althin Medical Inc
Application granted granted Critical
Publication of DK0598690T3 publication Critical patent/DK0598690T3/da

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/08Polysaccharides
    • B01D71/12Cellulose derivatives
    • B01D71/14Esters of organic acids
    • B01D71/16Cellulose acetate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0088Physical treatment with compounds, e.g. swelling, coating or impregnation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/168Sterilisation or cleaning before or after use
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/168Sterilisation or cleaning before or after use
    • A61M1/1682Sterilisation or cleaning before or after use both machine and membrane module, i.e. also the module blood side
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/168Sterilisation or cleaning before or after use
    • A61M1/169Sterilisation or cleaning before or after use using chemical substances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02Hollow fibre modules
    • B01D63/021Manufacturing thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02Hollow fibre modules
    • B01D63/021Manufacturing thereof
    • B01D63/022Encapsulating hollow fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/003Membrane bonding or sealing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02Membrane cleaning or sterilisation ; Membrane regeneration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0097Storing or preservation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/02Forward flushing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04Backflushing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16Use of chemical agents
    • B01D2321/168Use of other chemical agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/20By influencing the flow
    • B01D2321/2008By influencing the flow statically
    • B01D2321/2025Tangential inlet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/20Specific permeability or cut-off range
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/34Molecular weight or degree of polymerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/36Hydrophilic membranes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Urology & Nephrology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Manufacturing & Machinery (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • External Artificial Organs (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
DK93850213T 1992-11-16 1993-11-11 Hulfibermembran med høj gennemstrømningshastighed med forbedret transportevne samt fremgangsmåde til fremstilling af samme DK0598690T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97694992A 1992-11-16 1992-11-16

Publications (1)

Publication Number Publication Date
DK0598690T3 true DK0598690T3 (da) 1999-04-26

Family

ID=25524658

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93850213T DK0598690T3 (da) 1992-11-16 1993-11-11 Hulfibermembran med høj gennemstrømningshastighed med forbedret transportevne samt fremgangsmåde til fremstilling af samme

Country Status (17)

Country Link
US (2) US5643452A (da)
EP (1) EP0598690B1 (da)
JP (1) JP3392141B2 (da)
KR (1) KR100224115B1 (da)
CN (1) CN1041173C (da)
AT (1) ATE168902T1 (da)
AU (1) AU672856B2 (da)
BR (1) BR9307461A (da)
CA (1) CA2149418C (da)
DE (1) DE69320000T2 (da)
DK (1) DK0598690T3 (da)
ES (1) ES2121980T3 (da)
PL (1) PL173020B1 (da)
RU (1) RU2108144C1 (da)
SG (1) SG47875A1 (da)
UA (1) UA29462C2 (da)
WO (1) WO1994011095A1 (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2202969C (en) * 1996-04-19 2001-07-24 Shingo Emi Selectively permeable hollow fiber membrane and process for producing same
US7144505B2 (en) 1997-09-18 2006-12-05 Baxter International Inc. Melt-spun polysulfone semipermeable membranes and methods for making the same
US6218441B1 (en) 1997-09-18 2001-04-17 Timothy B. Meluch Melt-spun polysulfone semipermeable membranes and methods for making the same
FR2815886B1 (fr) 2000-10-30 2002-12-06 Hospal Ind Faisceau de fibres creuses pour un appareil pour le traitement extracorporel du sang et du plasma et son procede de fabrication
US6444435B1 (en) * 2000-11-30 2002-09-03 Serim Research Corporation Test strip for determining dialysate composition
FR2817769B1 (fr) * 2000-12-08 2003-09-12 Hospal Ind Appareil pour le traitement extracorporel du sang ou du plasma comprenant une membrane semi-permeable humide et procedes de fabrication
AUPS046602A0 (en) * 2002-02-12 2002-03-07 U.S. Filter Wastewater Group, Inc. Halar membranes
KR20120059755A (ko) * 2010-12-01 2012-06-11 엘지전자 주식회사 셀룰로오스계 수지를 이용한 수처리용 중공사막의 제조방법
CN103111190B (zh) * 2013-03-05 2014-11-19 天津工业大学 一种熔融挤出法制备中空纤维膜的方法
CN104906971A (zh) * 2015-05-20 2015-09-16 苏州市贝克生物科技有限公司 一种醋酸纤维素/聚乙二醇血液透析膜及其制备方法
JP6699751B2 (ja) 2016-10-31 2020-05-27 東洋紡株式会社 セルロースアセテート系中空糸膜
US11014053B2 (en) 2016-10-31 2021-05-25 Toyobo Co., Ltd. Cellulose acetate-based asymmetric hollow fiber membrane
CN114588783B (zh) * 2022-03-21 2023-08-01 山东水利建设集团有限公司 一种泵房多级反冲洗系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276173A (en) * 1977-07-05 1981-06-30 Cordis Dow Corp. Cellulose acetate hollow fiber and method for making same
US4543221A (en) * 1979-12-17 1985-09-24 Cd Medical, Inc. Method for making cellulose semipermeable hollow fibers
CA1272139A (en) * 1984-11-16 1990-07-31 Shoji Mizutani Fluid separator, hollow fiber to be used for construction thereof and process for preparation of said hollow fibers

Also Published As

Publication number Publication date
CN1093018A (zh) 1994-10-05
WO1994011095A1 (en) 1994-05-26
US5643452A (en) 1997-07-01
SG47875A1 (en) 1998-04-17
CA2149418A1 (en) 1994-05-26
ES2121980T3 (es) 1998-12-16
PL308999A1 (en) 1995-09-18
AU5597894A (en) 1994-06-08
CN1041173C (zh) 1998-12-16
DE69320000T2 (de) 1999-04-15
UA29462C2 (uk) 2000-11-15
BR9307461A (pt) 1999-06-01
AU672856B2 (en) 1996-10-17
EP0598690A2 (en) 1994-05-25
DE69320000D1 (de) 1998-09-03
ATE168902T1 (de) 1998-08-15
RU95107703A (ru) 1997-03-20
RU2108144C1 (ru) 1998-04-10
KR950704026A (ko) 1995-11-17
US5736046A (en) 1998-04-07
JP3392141B2 (ja) 2003-03-31
PL173020B1 (pl) 1998-01-30
EP0598690A3 (en) 1995-02-15
KR100224115B1 (ko) 1999-10-15
CA2149418C (en) 2002-01-01
JPH08503413A (ja) 1996-04-16
EP0598690B1 (en) 1998-07-29

Similar Documents

Publication Publication Date Title
DK0598690T3 (da) Hulfibermembran med høj gennemstrømningshastighed med forbedret transportevne samt fremgangsmåde til fremstilling af samme
US7563376B2 (en) Plasma purification membrane and plasma purification system
DE69634352D1 (de) Methode zur Herstellung einer teildurchlässigen Hohlfasermembran aus Polysulfon
US7572374B2 (en) Anticoagulant and thrombo-resistant hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration
SE8501111D0 (sv) Process for spinning hollow fiber membranes
GB2080819A (en) Polymethyl methacrylate membrane
EP0098392A3 (en) Filtration membrane and process for producing the membrane
US5069788A (en) Multi-pass blood washing and plasma removal device and method
EP0414515B1 (en) Multi-pass blood washing and plasma removal device and method
BE903134A (fr) Fibres creuses pour dialyse et procede pour les fabriquer
AU2002335069B2 (en) Plasmapheresis filter device and apparatus for therapeutic apheresis
GB2192149A (en) Hollow cellulose ester fibre and its use for plasma separation
JPS63105770A (ja) 血漿成分分離用膜
JPH0693979B2 (ja) ポリプロピレン多孔質中空糸膜
JPH01180206A (ja) 改質ポリスルホン膜及びその製造方法
JP2710711B2 (ja) セルロースジアセテート中空糸
CA1140713A (en) Process for producing a cellulose acetate- type permselective membrane having very high water permeability and protein retention
SE455099B (sv) Sett att stabilisera hydrauliska och diffusiva permeabiliteter hos ett vatt semipermeabelt membran samt ett vetbart, semipermeabelt membran behandlat med ett stabiliseringsmedel
JPS5571809A (en) Production of anti agglutinating hollow fiber
JPH10165775A (ja) 選択透過性中空糸膜の製造方法
JPS62221362A (ja) 血奨分離膜