DE69233634D1 - 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
DE69233634D1
DE69233634D1 DE69233634T DE69233634T DE69233634D1 DE 69233634 D1 DE69233634 D1 DE 69233634D1 DE 69233634 T DE69233634 T DE 69233634T DE 69233634 T DE69233634 T DE 69233634T DE 69233634 D1 DE69233634 D1 DE 69233634D1
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
DE69233634T
Other languages
English (en)
Other versions
DE69233634T2 (de
Inventor
Thomas C Gsell
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 DE69233634D1 publication Critical patent/DE69233634D1/de
Publication of DE69233634T2 publication Critical patent/DE69233634T2/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)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (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)
DE69233634T 1991-09-11 1992-09-10 Gasplasma behandeltes, poröses Medium und Trennungsmethode unter Verwendung des Mediums Expired - Lifetime DE69233634T2 (de)

Applications Claiming Priority (4)

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
US756567 1991-09-11
US757535 1991-09-11

Publications (2)

Publication Number Publication Date
DE69233634D1 true DE69233634D1 (de) 2006-07-27
DE69233634T2 DE69233634T2 (de) 2007-05-16

Family

ID=27116254

Family Applications (2)

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
DE69228695T Expired - Lifetime DE69228695T2 (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
DE69228695T Expired - Lifetime DE69228695T2 (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) DE69233634T2 (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
CA2319261A1 (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
EP1272628A2 (de) * 2000-04-11 2003-01-08 Alex M. Garvin Methode zur wiedergewinnung von nucleinsäure
FR2842122B1 (fr) * 2002-07-10 2004-08-13 Maco Pharma Sa Unite de deleucocytation selective d'un produit plaquettaire
ATE485067T1 (de) * 2005-08-31 2010-11-15 Gambro Lundia Ab Verfahren und gerät zur entfernung von immunzellen
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
WO2018210784A1 (en) * 2017-05-17 2018-11-22 Radiometer Medical Aps Porous optical fiber for the detection of an analyte in a fluid
US20210354069A1 (en) * 2018-10-23 2021-11-18 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
DE3785993T2 (de) * 1986-03-28 1994-02-10 Asahi Medical Co Filtermedium zur selektiven beseitigung von leucocyten.
US4824444A (en) * 1986-04-11 1989-04-25 Applied Membrane Technology, Inc. Gas permselective composite membrane prepared by plasma polymerization coating techniques
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
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
DE69228695D1 (de) 1999-04-22
EP0887098A2 (de) 1998-12-30
DE69233634T2 (de) 2007-05-16
EP0604590B1 (de) 1999-03-17
EP0887098B1 (de) 2006-06-14
CA2118686A1 (en) 1993-03-18
EP0887098A3 (de) 2000-05-10
WO1993004763A1 (en) 1993-03-18
EP0604590A4 (en) 1994-09-14
JPH06510455A (ja) 1994-11-24
EP0604590A1 (de) 1994-07-06
CA2118686C (en) 2002-07-30
DE69228695T2 (de) 1999-10-14

Similar Documents

Publication Publication Date Title
DE69409593D1 (de) Membranen zum Abtrennen von Kohlendioxidgas
DE69111754T2 (de) System für die Rückgewinnung und Verwendung von CO2-Gas.
KR970703193A (ko) 폴리술폰제 다공질 막 및 그 제법(Porous Polysulfone Membrane and Process for Producing the Same)
DE69007859T2 (de) Copolyimid-Gastrennungsmembranen, abgeleitet von substituierten Phenylendiaminen und substituierten Methylendianilinen.
DE69111917T2 (de) Druckwechsel-Adsorptionsverfahren zur Trennung von Gasgemischen.
TR28166A (tr) Sivi ve gaz halindeki ortamlarin arasinda madde degis-tokusuna yarayan yöntem.
DE69526846D1 (de) Titanoxyd-photokatalysatorsystem und methode zu dessen herstellung
NO985329D0 (no) FremgangsmÕte for Õ fremstille koplymerer og blandinger inneholdende det samme
NO942732D0 (no) Energigjenvinnende, trykkreduserende system og fremgangsmåte for bruk av samme
GB9827428D0 (en) Membrane filter apparatus and method for operating the membrane filter apparatus
ZA977332B (en) Process and apparatus for gas purification.
EP0657403A4 (de) Poröses keramisches material und verfahren zu seiner herstellung.
DE69109903D1 (de) Asymmetrische Gastrennungsmembran.
GB2282818B (en) Highly selective asymmetric membranes for gas separation and method for the manufacture thereof
DE69228695D1 (de) Gasplasma behandeltes, poröses medium und trennungsmethode unter verwendung des mediums
EP0653392A4 (de) Poröse keramik und verfahren zu ihrer herstellung.
DE3879882D1 (de) Membranen aus bisphenol-af, polykarbonaten und polyesterkarbonaten zur gastrennung.
EP0594122A3 (de) Verfahren und Gerät zur Luftdurchlässigkeitsdetektion.
IL109963A0 (en) E2-f1 enzyme and methods for the isolation, purification and use thereof
GB2325707B (en) Purge and rough cryopump regeneration process, cryopump and controller
DK86894A (da) Fremgangsmåde samt apparat til rensning af gas
DE69117471D1 (de) Gasadsorptionselement, dessen Herstellungsmethode und Verwendung
GR3025534T3 (en) Process and apparatus for the low temperature separation of air.
DE3482349D1 (de) System zur zufuehrung von gas regelbaren drucks.
FI940240A (fi) Menetelmä mikrohuokoisen, kaasua läpäisevän elektrodin valmistamiseksisekä mikrohuokoinen kaasua läpäisevä elektrodi

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R071 Expiry of right

Ref document number: 887098

Country of ref document: EP