SG47875A1 - High-flux hollow-fiber membrane with enhanced transport capability and process for making same - Google Patents

High-flux hollow-fiber membrane with enhanced transport capability and process for making same

Info

Publication number
SG47875A1
SG47875A1 SG1996004930A SG1996004930A SG47875A1 SG 47875 A1 SG47875 A1 SG 47875A1 SG 1996004930 A SG1996004930 A SG 1996004930A SG 1996004930 A SG1996004930 A SG 1996004930A SG 47875 A1 SG47875 A1 SG 47875A1
Authority
SG
Singapore
Prior art keywords
membranes
urea
hollow fibers
fiber membrane
making same
Prior art date
Application number
SG1996004930A
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
Publication of SG47875A1 publication Critical patent/SG47875A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • 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
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/168—Sterilisation or cleaning before or after use
    • 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
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/168—Sterilisation or cleaning before or after use
    • A61M1/1682—Sterilisation or cleaning before or after use both machine and membrane module, i.e. also the module blood side
    • 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
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/168—Sterilisation or cleaning before or after use
    • A61M1/169—Sterilisation or cleaning before or after use using chemical substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/003—Membrane bonding or sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D67/0097—Storing or preservation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/02—Forward flushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04—Backflushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/20—By influencing the flow
    • B01D2321/2008—By influencing the flow statically
    • B01D2321/2025—Tangential inlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/34—Molecular weight or degree of polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Vascular 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
SG1996004930A 1992-11-16 1993-11-11 High-flux hollow-fiber membrane with enhanced transport capability and process for making same SG47875A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SG47875A1 true SG47875A1 (en) 1998-04-17

Family

ID=25524658

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996004930A SG47875A1 (en) 1992-11-16 1993-11-11 High-flux hollow-fiber membrane with enhanced transport capability and process for making same

Country Status (17)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2202969C (fr) * 1996-04-19 2001-07-24 Shingo Emi Membrane de fibres creuses selectivement permeable et procede de fabrication
RU2198725C2 (ru) * 1996-12-31 2003-02-20 Алтин Медикал, Инк. Сформованные из расплава полисульфоновые полупроницаемые мембраны и способы их получения
US6218441B1 (en) 1997-09-18 2001-04-17 Timothy B. Meluch Melt-spun polysulfone semipermeable membranes and methods for making the same
US7144505B2 (en) 1997-09-18 2006-12-05 Baxter International Inc. 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
JP6699750B2 (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非対称中空糸膜
WO2018079808A1 (fr) 2016-10-31 2018-05-03 東洋紡株式会社 Membrane à fibres creuses à base d'acétate de cellulose
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 (fr) * 1984-11-16 1990-07-31 Shoji Mizutani Separateur de fluides, fibres creuses servant a sa fabrication, et preparation desdites fibres creuses

Also Published As

Publication number Publication date
KR100224115B1 (ko) 1999-10-15
EP0598690B1 (fr) 1998-07-29
DE69320000D1 (de) 1998-09-03
JP3392141B2 (ja) 2003-03-31
AU672856B2 (en) 1996-10-17
DE69320000T2 (de) 1999-04-15
PL173020B1 (pl) 1998-01-30
RU95107703A (ru) 1997-03-20
US5643452A (en) 1997-07-01
CA2149418A1 (fr) 1994-05-26
CA2149418C (fr) 2002-01-01
DK0598690T3 (da) 1999-04-26
AU5597894A (en) 1994-06-08
ATE168902T1 (de) 1998-08-15
ES2121980T3 (es) 1998-12-16
EP0598690A2 (fr) 1994-05-25
EP0598690A3 (fr) 1995-02-15
PL308999A1 (en) 1995-09-18
KR950704026A (ko) 1995-11-17
US5736046A (en) 1998-04-07
BR9307461A (pt) 1999-06-01
CN1041173C (zh) 1998-12-16
JPH08503413A (ja) 1996-04-16
WO1994011095A1 (fr) 1994-05-26
UA29462C2 (uk) 2000-11-15
CN1093018A (zh) 1994-10-05
RU2108144C1 (ru) 1998-04-10

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