DE69016451T2 - Durch transmembranen druckreguliertes filtrationssystem. - Google Patents

Durch transmembranen druckreguliertes filtrationssystem.

Info

Publication number
DE69016451T2
DE69016451T2 DE69016451T DE69016451T DE69016451T2 DE 69016451 T2 DE69016451 T2 DE 69016451T2 DE 69016451 T DE69016451 T DE 69016451T DE 69016451 T DE69016451 T DE 69016451T DE 69016451 T2 DE69016451 T2 DE 69016451T2
Authority
DE
Germany
Prior art keywords
pressure
inlet
fluid
bleed
control
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
DE69016451T
Other languages
English (en)
Other versions
DE69016451D1 (de
Inventor
Robert Hood
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.)
Bio Flo Ltd
Original Assignee
Bio Flo Ltd
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 Bio Flo Ltd filed Critical Bio Flo Ltd
Publication of DE69016451D1 publication Critical patent/DE69016451D1/de
Application granted granted Critical
Publication of DE69016451T2 publication Critical patent/DE69016451T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/3403—Regulation parameters
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3601—Extra-corporeal circuits in which the blood fluid passes more than once through the treatment unit
    • A61M1/3603—Extra-corporeal circuits in which the blood fluid passes more than once through the treatment unit in the same direction
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
    • A61M1/36222—Details related to the interface between cassette and machine
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
    • A61M1/36224—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit with sensing means or components thereof
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
    • A61M1/36226—Constructional details of cassettes, e.g. specific details on material or shape
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
    • A61M1/36226—Constructional details of cassettes, e.g. specific details on material or shape
    • A61M1/362262—Details of incorporated reservoirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/22—Controlling or regulating
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
    • A61M2205/128—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with incorporated valves
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • External Artificial Organs (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
DE69016451T 1989-10-17 1990-10-16 Durch transmembranen druckreguliertes filtrationssystem. Expired - Fee Related DE69016451T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898923376A GB8923376D0 (en) 1989-10-17 1989-10-17 Transmembrane pressure controlled filtration system
PCT/GB1990/001596 WO1991005576A1 (en) 1989-10-17 1990-10-16 Transmembrane pressure controlled filtration system

Publications (2)

Publication Number Publication Date
DE69016451D1 DE69016451D1 (de) 1995-03-09
DE69016451T2 true DE69016451T2 (de) 1995-09-07

Family

ID=10664711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016451T Expired - Fee Related DE69016451T2 (de) 1989-10-17 1990-10-16 Durch transmembranen druckreguliertes filtrationssystem.

Country Status (9)

Country Link
EP (1) EP0496792B1 (de)
AT (1) ATE117560T1 (de)
AU (1) AU6621690A (de)
CA (1) CA2067236A1 (de)
DE (1) DE69016451T2 (de)
GB (1) GB8923376D0 (de)
IN (1) IN179203B (de)
WO (1) WO1991005576A1 (de)
ZA (1) ZA908281B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9111028D0 (en) * 1991-05-22 1991-07-17 Bio Flo Ltd Fluid treatment system
JPH08502923A (ja) * 1992-10-30 1996-04-02 ザ ダウ ケミカル カンパニー 交差流ミクロ濾過法
FR2702962B1 (fr) * 1993-03-22 1995-04-28 Hospal Ind Dispositif et procédé de contrôle de la balance des fluides sur un circuit extracorporel de sang.
FR2704432B1 (fr) * 1993-04-27 1995-06-23 Hospal Ind Dispositif d'injection de liquide dans un circuit extracorporel de sang.
US5752918A (en) * 1993-06-30 1998-05-19 Medex, Inc. Modular medical pressure transducer
CN1121243C (zh) * 1995-06-28 2003-09-17 梅德克斯公司 具有滑动件的医用压力换能器
JP2003516857A (ja) * 1999-12-17 2003-05-20 ワーナー・ランバート・リサーチ・アンド・ディベロップメント・アイルランド・リミテッド パイロージェン調整水の製造

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946731A (en) * 1971-01-20 1976-03-30 Lichtenstein Eric Stefan Apparatus for extracorporeal treatment of blood
US4077882A (en) * 1976-09-27 1978-03-07 Ronald Gangemi Isolating and blood pressure transmitting apparatus for extracorporeal blood treatment system
US4174637A (en) * 1978-10-19 1979-11-20 International Business Machines Corporation Pressure monitoring system
JPS5613004A (en) * 1979-07-12 1981-02-07 Baxter Travenol Lab Adapter for quantity of ultrafiltration
FR2581316A1 (fr) * 1985-05-02 1986-11-07 Murisasco Antoine Procede et dispositif d'echanges plasmatiques automatiques controle par ordinateur integre
US4828543A (en) * 1986-04-03 1989-05-09 Weiss Paul I Extracorporeal circulation apparatus

Also Published As

Publication number Publication date
CA2067236A1 (en) 1991-04-18
EP0496792A1 (de) 1992-08-05
IN179203B (de) 1997-09-13
DE69016451D1 (de) 1995-03-09
GB8923376D0 (en) 1989-12-06
ATE117560T1 (de) 1995-02-15
ZA908281B (en) 1991-09-25
EP0496792B1 (de) 1995-01-25
WO1991005576A1 (en) 1991-05-02
AU6621690A (en) 1991-05-16

Similar Documents

Publication Publication Date Title
EP1300167A3 (de) Vorrichtung und Verfahren zur Bestimmung der Alterung eines Flüssigkeitsfilter
US5711883A (en) Method for testing dialyzer integrity prior to use
US4846970A (en) Cross-flow filtration membrane test unit
US4783273A (en) Method and apparatus for supplying concentrate for use in medical treatments
GB1061597A (en) Device for effecting blood interchange functions
ATE16456T1 (de) Vorrichtung zum entfernen von substanzen aus einer fluessigkeit.
DE69405038D1 (de) Vorrichtung und Verfahren zur Injektion einer durch Filtration pyrogenfrei und steril hergestellten Flüssigkeit
DE59408402D1 (de) Anordnung zur elimination von substanzen aus flüssigkeiten, insbesondere blut
DE69831479D1 (de) Vorrichtung zur herstellung von einer ersatzlösung
DE69310361D1 (de) Membran-einheit und gebrauchsverfahren für niederdrucktrennung
DE69016451D1 (de) Durch transmembranen druckreguliertes filtrationssystem.
JPS63218211A (ja) 混合流膜装置
DE69109763D1 (de) Verfahren zur Reinigung in Querstrom-Mikrofiltration.
EP0076422A3 (de) Filtrierapparat
EP0058304B1 (de) Wasserreinigungseinheit mit einem Ventil mit konstantem Durchfluss
Abel Influence of oscillatory flows on protein ultrafiltration
ATE116154T1 (de) Vorrichtung zum kontinuierlichen reinigen der hilfs- bzw. betriebsflüssigkeit eines verdichters.
EP0058303B1 (de) Wasserreinigungseinheit mit einem flüssigkeitsgekühlten Pumpenmotor
JPH0236114B2 (de)
US4698155A (en) Method of and apparatus for continuous metered removal or addition of small quantities of fluid
JPH10332568A (ja) 粒子計数装置
JPH0450037Y2 (de)
Hale et al. A preliminary study of depth filtration at a constant rate
CS257506B1 (cs) Laboratorní přistroj pro membránovou filtraci
WO2002022243A3 (de) Membranfilter für die wasseraufbereitung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee