DE69228695D1 - Gasplasma behandeltes, poröses medium und trennungsmethode unter verwendung des mediums - Google Patents

Gasplasma behandeltes, poröses medium und trennungsmethode unter verwendung des mediums

Info

Publication number
DE69228695D1
DE69228695D1 DE69228695T DE69228695T DE69228695D1 DE 69228695 D1 DE69228695 D1 DE 69228695D1 DE 69228695 T DE69228695 T DE 69228695T DE 69228695 T DE69228695 T DE 69228695T DE 69228695 D1 DE69228695 D1 DE 69228695D1
Authority
DE
Germany
Prior art keywords
medium
separation method
gas plasma
plasma treated
porous
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 - Lifetime
Application number
DE69228695T
Other languages
English (en)
Other versions
DE69228695T2 (de
Inventor
Thomas Gsell
Thomas Bormann
Vlado Matkovich
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.)
Pall Corp
Original Assignee
Pall Corp
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
Priority claimed from US07/756,567 external-priority patent/US5258127A/en
Application filed by Pall Corp filed Critical Pall Corp
Application granted granted Critical
Publication of DE69228695D1 publication Critical patent/DE69228695D1/de
Publication of DE69228695T2 publication Critical patent/DE69228695T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01D67/009After-treatment of organic or inorganic membranes with wave-energy, particle-radiation or plasma
    • 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
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621Extra-corporeal blood circuits
    • A61M1/3627Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A61M1/3633Blood component filters, e.g. leukocyte filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/14Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
    • B29C59/142Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment of profiled articles, e.g. hollow or tubular articles
    • 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
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/02Gases
    • A61M2202/025Helium
    • 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
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/02Gases
    • A61M2202/0266Nitrogen (N)
    • A61M2202/0275Nitric oxide [NO]
    • 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
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/02Gases
    • A61M2202/0291Xenon
    • 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
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/04Liquids
    • A61M2202/0413Blood
    • A61M2202/0439White blood cells; Leucocytes
    • 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
    • A61M2206/00Characteristics of a physical parameter; associated device therefor
    • A61M2206/10Flow characteristics
    • A61M2206/16Rotating swirling helical flow, e.g. by tangential inflows
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Vascular Medicine (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE69228695T 1991-09-11 1992-09-10 Gasplasma behandeltes, poröses medium und trennungsmethode unter verwendung des mediums Expired - Lifetime DE69228695T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US75753591A 1991-09-11 1991-09-11
US07/756,567 US5258127A (en) 1990-07-27 1991-09-11 Leucocyte depleting filter device and method of use
PCT/US1992/007708 WO1993004763A1 (en) 1991-09-11 1992-09-10 Gas plasma treated porous medium and method of separation using same

Publications (2)

Publication Number Publication Date
DE69228695D1 true DE69228695D1 (de) 1999-04-22
DE69228695T2 DE69228695T2 (de) 1999-10-14

Family

ID=27116254

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69228695T Expired - Lifetime DE69228695T2 (de) 1991-09-11 1992-09-10 Gasplasma behandeltes, poröses medium und trennungsmethode unter verwendung des mediums
DE69233634T Expired - Lifetime DE69233634T2 (de) 1991-09-11 1992-09-10 Gasplasma behandeltes, poröses Medium und Trennungsmethode unter Verwendung des Mediums

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69233634T Expired - Lifetime DE69233634T2 (de) 1991-09-11 1992-09-10 Gasplasma behandeltes, poröses Medium und Trennungsmethode unter Verwendung des Mediums

Country Status (5)

Country Link
EP (2) EP0887098B1 (de)
JP (1) JPH06510455A (de)
CA (1) CA2118686C (de)
DE (2) DE69228695T2 (de)
WO (1) WO1993004763A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540841A (en) * 1993-07-26 1996-07-30 Pall Corporation Cardioplegia filter and method for processing cardioplegia fluid
US5582907A (en) * 1994-07-28 1996-12-10 Pall Corporation Melt-blown fibrous web
US5916521A (en) * 1995-01-04 1999-06-29 Spectral Diagnostics, Inc. Lateral flow filter devices for separation of body fluids from particulate materials
US5630946A (en) * 1995-02-15 1997-05-20 Pall Corporation Method for processing a biological fluid including leukocyte removal in an extracorporeal circuit
WO1999037340A2 (en) 1998-01-23 1999-07-29 Pall Corporation Biological fluid treatment system
US6945411B1 (en) 1999-03-16 2005-09-20 Pall Corporation Biological fluid filter and system
AU2001263836A1 (en) * 2000-04-11 2001-10-23 Bureco Ag Method of nucleic acid recovery
FR2842122B1 (fr) 2002-07-10 2004-08-13 Maco Pharma Sa Unite de deleucocytation selective d'un produit plaquettaire
EP1931445B1 (de) * 2005-08-31 2018-08-01 Gambro Lundia AB Cycloolefincopolymer als material zur verminderung des gehalts an leukozyten
GB0810326D0 (en) * 2008-06-06 2008-07-09 P2I Ltd Filtration media
US8852693B2 (en) 2011-05-19 2014-10-07 Liquipel Ip Llc Coated electronic devices and associated methods
JP6991436B2 (ja) * 2017-05-17 2022-01-12 ラジオメーター・メディカル・アー・ペー・エス 流体中の検体を検出するための多孔質光ファイバ
WO2020086322A1 (en) * 2018-10-23 2020-04-30 Cummins Filtration Ip, Inc. Air filter assembly with a permeable baffle

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199448A (en) * 1976-06-09 1980-04-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Reverse osmosis membrane of high urea rejection properties
JPS53114875A (en) * 1977-03-18 1978-10-06 Agency Of Ind Science & Technol Method for preventing elusion of plasticizer from polyvinyl chloride medical material
DE2756114B1 (de) * 1977-12-16 1979-05-23 Titmus Eurocon Kontaktlinsen Verfahren zur Oberflaechenbehandlung einer harten oder dehydratisierten hydrophilen Kontaktlinse
JPS5598232A (en) * 1979-01-22 1980-07-26 Agency Of Ind Science & Technol Internal treatment of plastic tube member
JPS55137138A (en) * 1979-04-13 1980-10-25 Toray Ind Inc Surface modification of polyvinyl chloride molded product
GB2144344B (en) * 1983-08-02 1986-11-26 Shell Int Research Composite dense membrane
US4572724A (en) * 1984-04-12 1986-02-25 Pall Corporation Blood filter
US4597843A (en) * 1984-10-12 1986-07-01 American Cyanamid Company Enhanced bulk porosity of polymer structures via plasma technology
US4936998A (en) * 1986-03-28 1990-06-26 Asahi Medical Co., Ltd. Filter medium for selectively removing leucocytes
US4806246A (en) * 1986-04-11 1989-02-21 Applied Membrane Technology, Inc. Pore size control using plasma polymerization techniques
AU7135087A (en) * 1986-04-11 1987-10-15 Applied Membrane Technology Inc. Preparation of a hydrophilic microfiltration membrane by means of plasma treatment
US4824444A (en) * 1986-04-11 1989-04-25 Applied Membrane Technology, Inc. Gas permselective composite membrane prepared by plasma polymerization coating techniques
US4880548A (en) * 1988-02-17 1989-11-14 Pall Corporation Device and method for separating leucocytes from platelet concentrate
JP2613249B2 (ja) * 1988-04-07 1997-05-21 株式会社クラレ 白血球除去材及び白血球除去フイルター
US4933092A (en) * 1989-04-07 1990-06-12 Abbott Laboratories Methods and devices for the separation of plasma or serum from whole blood

Also Published As

Publication number Publication date
EP0887098A2 (de) 1998-12-30
DE69228695T2 (de) 1999-10-14
WO1993004763A1 (en) 1993-03-18
DE69233634T2 (de) 2007-05-16
EP0604590A1 (de) 1994-07-06
JPH06510455A (ja) 1994-11-24
EP0604590B1 (de) 1999-03-17
EP0887098B1 (de) 2006-06-14
EP0887098A3 (de) 2000-05-10
CA2118686A1 (en) 1993-03-18
CA2118686C (en) 2002-07-30
EP0604590A4 (en) 1994-09-14
DE69233634D1 (de) 2006-07-27

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