DE69320000T2 - Hohe Durchflussrate aufweisende Hohlfasermembran mit erhöhter Transportmöglichkeit und Verfahren zu deren Herstellung - Google Patents

Hohe Durchflussrate aufweisende Hohlfasermembran mit erhöhter Transportmöglichkeit und Verfahren zu deren Herstellung

Info

Publication number
DE69320000T2
DE69320000T2 DE69320000T DE69320000T DE69320000T2 DE 69320000 T2 DE69320000 T2 DE 69320000T2 DE 69320000 T DE69320000 T DE 69320000T DE 69320000 T DE69320000 T DE 69320000T DE 69320000 T2 DE69320000 T2 DE 69320000T2
Authority
DE
Germany
Prior art keywords
membranes
urea
hollow fibers
manufacture
flow rate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69320000T
Other languages
English (en)
Other versions
DE69320000D1 (de
Inventor
Anders Althin
Ben Fernandez
Raymond Elsen
Kees Ruzius
Lalith Silva
George Washington
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baxter International Inc
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 DE69320000D1 publication Critical patent/DE69320000D1/de
Publication of DE69320000T2 publication Critical patent/DE69320000T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • B01D63/022—Encapsulating hollow fibres
    • 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)
  • 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)
DE69320000T 1992-11-16 1993-11-11 Hohe Durchflussrate aufweisende Hohlfasermembran mit erhöhter Transportmöglichkeit und Verfahren zu deren Herstellung Expired - Fee Related DE69320000T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69320000D1 DE69320000D1 (de) 1998-09-03
DE69320000T2 true DE69320000T2 (de) 1999-04-15

Family

ID=25524658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320000T Expired - Fee Related DE69320000T2 (de) 1992-11-16 1993-11-11 Hohe Durchflussrate aufweisende Hohlfasermembran mit erhöhter Transportmöglichkeit und Verfahren zu deren Herstellung

Country Status (17)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11007490B2 (en) 2016-10-31 2021-05-18 Toyobo Co., Ltd. Cellulose acetate-based hollow fiber membrane
US11014053B2 (en) 2016-10-31 2021-05-25 Toyobo Co., Ltd. Cellulose acetate-based asymmetric hollow fiber membrane

Families Citing this family (11)

* 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
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
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
CA1272139C (en) * 1984-11-16 1990-07-31 FLUID SEPARATOR, HOLLOW FIBERS USED FOR ITS MANUFACTURE, AND PREPARATION OF SAID HOLLOW FIBERS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11007490B2 (en) 2016-10-31 2021-05-18 Toyobo Co., Ltd. Cellulose acetate-based hollow fiber membrane
US11014053B2 (en) 2016-10-31 2021-05-25 Toyobo Co., Ltd. Cellulose acetate-based asymmetric hollow fiber membrane

Also Published As

Publication number Publication date
JP3392141B2 (ja) 2003-03-31
CA2149418A1 (en) 1994-05-26
AU5597894A (en) 1994-06-08
UA29462C2 (uk) 2000-11-15
CN1041173C (zh) 1998-12-16
ES2121980T3 (es) 1998-12-16
DK0598690T3 (da) 1999-04-26
CN1093018A (zh) 1994-10-05
EP0598690A2 (de) 1994-05-25
RU95107703A (ru) 1997-03-20
WO1994011095A1 (en) 1994-05-26
PL173020B1 (pl) 1998-01-30
RU2108144C1 (ru) 1998-04-10
KR950704026A (ko) 1995-11-17
AU672856B2 (en) 1996-10-17
EP0598690B1 (de) 1998-07-29
KR100224115B1 (ko) 1999-10-15
DE69320000D1 (de) 1998-09-03
JPH08503413A (ja) 1996-04-16
PL308999A1 (en) 1995-09-18
CA2149418C (en) 2002-01-01
BR9307461A (pt) 1999-06-01
US5643452A (en) 1997-07-01
ATE168902T1 (de) 1998-08-15
EP0598690A3 (de) 1995-02-15
SG47875A1 (en) 1998-04-17
US5736046A (en) 1998-04-07

Similar Documents

Publication Publication Date Title
KR100432464B1 (ko) 폴리술폰 중공사 반투막
EP1547628B1 (de) Plasma-reinigungsmembran und plasma-reinigungssystem
DE69320000D1 (de) Hohe Durchflussrate aufweisende Hohlfasermembran mit erhöhter Transportmöglichkeit und Verfahren zu deren Herstellung
US7572374B2 (en) Anticoagulant and thrombo-resistant hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration
EP0193725A3 (en) Process for spinning hollow fiber membranes
EA000300B1 (ru) Искусственная разделительная мембрана
ATE31248T1 (de) Membran und verfahren zu ihrer herstellung.
EP0414515B1 (de) Vorrichtung und Verfahren zum Waschen von Blut und Entfernen von Plasma mit mehreren Durchgängen
US4859535A (en) Porous hollow-fiber
BE903134A (fr) Fibres creuses pour dialyse et procede pour les fabriquer
GB2192149A (en) Hollow cellulose ester fibre and its use for plasma separation
JP4386607B2 (ja) ポリスルホン系血液浄化膜の製造方法およびポリスルホン系血液浄化膜
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
JPH0693979B2 (ja) ポリプロピレン多孔質中空糸膜
JP2000210544A (ja) 半透膜の製造方法
JP3236233B2 (ja) 選択透過性中空糸膜の製造方法
JPS5571809A (en) Production of anti agglutinating hollow fiber
SE455099B (sv) Sett att stabilisera hydrauliska och diffusiva permeabiliteter hos ett vatt semipermeabelt membran samt ett vetbart, semipermeabelt membran behandlat med ett stabiliseringsmedel
JPS61120606A (ja) 選択透過性異形中空糸の製造方法
JPH0380528B2 (de)

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BAXTER INTERNATIONAL INC. (N.D.GES.D. STAATES DELA

8339 Ceased/non-payment of the annual fee