DE856322T1 - Pumpmechanismen für Peritonealdialysesysteme - Google Patents

Pumpmechanismen für Peritonealdialysesysteme

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Publication number
DE856322T1
DE856322T1 DE0856322T DE98200896T DE856322T1 DE 856322 T1 DE856322 T1 DE 856322T1 DE 0856322 T DE0856322 T DE 0856322T DE 98200896 T DE98200896 T DE 98200896T DE 856322 T1 DE856322 T1 DE 856322T1
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Prior art keywords
fluid
pressure
devices
cassette
closure
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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.)
Pending
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DE0856322T
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DE29800896U1 (de
Inventor
Clement D. Pembroke New Hampshire 03275 Bouchard
Robert J. Manchester New Hampshire 03102 Bryant
Dean Bedford New Hampshire 03110 Kamen
Richard Concord New Hampshire 03301 Lanigan
Bradley D. Londonderry New Hampshire 03053 Miller
Geoffrey P. Manchester New Hampshire 03109 Spencer
Douglas E. Manchester New Hampshire 03101 Vincent
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Deka Products LP
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Deka Products LP
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Application filed by Deka Products LP filed Critical Deka Products LP
Publication of DE856322T1 publication Critical patent/DE856322T1/de
Pending legal-status Critical Current

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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
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • 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
    • A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
    • A61M1/152—Details related to the interface between cassette and machine
    • A61M1/1524—Details related to the interface between cassette and machine the interface providing means for actuating on functional elements of the cassette, e.g. plungers
    • 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
    • A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
    • A61M1/155—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit with treatment-fluid pumping 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
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
    • A61M1/156—Constructional details of the cassette, e.g. specific details on material or shape
    • A61M1/1565—Details of 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
    • 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
    • A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
    • A61M1/159—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit specially adapted for peritoneal dialysis
    • 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
    • A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • A61M1/281—Instillation other than by gravity
    • 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
    • A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
    • A61M1/288—Priming
    • 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
    • A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
    • A61M1/152—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
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
    • A61M1/156—Constructional details of the cassette, e.g. specific details on material or shape
    • A61M1/1561—Constructional details of the cassette, e.g. specific details on material or shape at least one cassette surface or portion thereof being flexible, e.g. the cassette having a rigid base portion with preformed channels and being covered with a foil
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/12—Pressure infusion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/13—Infusion monitoring

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Emergency Medicine (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Hematology (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)

Claims (15)

  1. &pgr; JU »I S- P.JI -- ""&igr; h A <? f I
    Meissner", T3olte'& Partner
    Anwaltssozietät GbR
    Postfach 860624
    81633 München
    DEKA PRODUCTS LIMITED PARTNERSHIP
    M/POT-059-EP/DE
    29. September 1998
    MB/SJ/SJ/bi
    Pumpmechanismus für die Peritonealdialyse
    Patentansprüche
    1. Pumpvorrichtung für ein Peritonealdialysesystem, die folgendes aufweist:
    eine Flüssigkeitsverteilungskassette mit einer Pumpkammer und einer darüberliegenden Membran, - flexible Schlauchleitungseinrichtungen, die an der Kassette angebracht sind, um eine Flüssigkeitsströmungsverbindung zwischen der Pumpkammer und mindestens einer Komponente eines Peritonealdialysesystems auszubilden, eine Betätigungsstation für die Kassette, die folgendes aufweist:
    Halteeinrichtungen, um die Kassette und die angebrachten Schlauchleitungen aufzunehmen, Druckübertragungseinrichtungen, die betätigbar sind, wenn die Kassette und die Schlauchleitungseinrichtungen in den Halteeinrichtungen aufgenommen sind, um einen Kontakt gegen die Membran auszubilden und um den Fluiddruck auf die Membran zu übertragen, um Flüssigkeit in den flexiblen Schlauchleitungen durch die Pumpkammer zu bewegen, 0 - Strömungsabsperrexnrxchtungen für die angebrachten
    Schlauchleitungseinrichtungen, die folgendes aufweisen: Verschlußeinrichtungen, die betätigbar sind, wenn die Kassette und die Schlauchleitungseinrichtungen in den Halteeinrichtungen aufgenommen sind, für
    .··..·■·. .-0-EZ-EF-O S56 322 T1
    Meissner, Bolte & Partner m/pot-059-ep/de
    eine Bewegung zwischen einer normalerweise vorgespannten Strömungssperrposition, in der sie mit den Schlauchleitungseinrichtungen in Kontakt stehen und diese in einen geschlossenen Zustand klemmen, und einer Strömungsdurchlaßposition außer
    Kontakt mit den Schlauchleitungseinrichtungen, Verschlußblaseneinrichtungen, die sich in Abhängigkeit von der Einleitung eines Fluidüberdruckes mit einem vorgegebenen Wert aufblähen, um mit den Verschlußeinrichtungen in Kontakt zu kommen und
    die Verschlußeinrichtungen in ihrer Strömungsdurchlaßposition zu halten, solange der vorgegebene Überdruck in den Verschlußblaseneinrichtungen aufrechterhalten wird, und
    - Verschlußsteuereinrichtungen, die in einem ersten
    Steuerungszustand wirksam sind, um den Fluidüberdruck von einer Quelle zu den Verschlußblaseneinrichtungen zu übertragen, um den vorgegebenen Überdruck aufrechtzuerhalten,.wobei die Verschluß-Steuereinrichtungen in einem zweiten Steuerungszu
    stand wirksam sind, um den Überdruck in den Verschlußblaseneinrichtungen abzulassen, um zu bewirken, daß sich die Verschlußeinrichtungen in ihre normalerweise vorgespannte Strömungssperrposition
    5 bewegen.
  2. 2. Vorrichtung nach Anspruch 1,
    wobei die Betätigungsstation folgendes aufweist:
    Reservoireinrichtungen, die sich in Abhängigkeit von
    0 der Einleitung von einem pneumatischen Überdruck mit
    vorgegebenem Wert aufblähen, um mit den Druckübertragungseinrichtungen in Kontakt zu kommen und die Druckübertragungseinrichtungen in wirksamem Kontakt gegen die Membran zu halten, und
    5 - Druckregulierungseinrichtungen, die mit den Reservoireinrichtungen in Verbindung stehen, um den Überdruck
    .. .h./·.&··" U öOö 322 Ti
    Meissner, Bolte & Partner m/pot-05 9-ep/de
    mit vorgegebenem Wert in den Reservoireinrichtungen aufrechtzuerhalten, um den wirksamen Kontakt zwischen den Druckübertragungseinrichtungen und der Membran aufrechtzuerhalten .
    5
  3. 3. Vorrichtung nach Anspruch 2,
    wobei die Druckregulierungseinrichtungen auch wirksam sind, um den Fluiddruck von den Reservoireinrichtungen zu den Druckübertragungseinrichtungen zur Weiterleitung auf die Membran zu übertragen.
  4. 4. Vorrichtung nach einem der Ansprüche 1 bis 3,
    wobei die Verschlußsteuereinrichtungen auch wirksam sind, um den Fluiddruck von den Blaseneinrichtungen zu den Druckübertragungseinrichtungen zur Weiterleitung auf die Membran zu übertragen.
  5. 5. Vorrichtung nach einem der Ansprüche 1 bis 4,
    wobei die Schlauchleitungseinrichtungen eine Patienten-0 schlauchleitung, die in Verbindung mit der Peritonealhöhle eines Patienten anbringbar ist, und eine zweite Schlauchleitung aufweisen, die an einer externen Komponente eines Peritonealdialysesystems anbringbar ist, und wobei die Verschlußeinrichtungen, wenn sie sich in ihrer Strömungssperrposition befinden, gleichzeitig mit der Patientenschlauchleitung und der zweiten Schlauchleitung in Kontakt stehen und diese in den geschlossenen Zustand klemmen.
  6. 6. Vorrichtung nach einem der Ansprüche 1 bis 4,
    0 wobei die Schlauchleitungseinrichtungen eine Patientenschlauchleitung, die in Verbindung mit der Peritonealhöhle eines Patienten anbringbar ist, und eine Vielzahl von zusätzlichen Schlauchleitungen aufweisen, die an externen Komponenten eines Peritonealdialysesystems anbringbar sind, und 5 wobei die Verschlußeinrichtungen, wenn sie sich in ihrer Strömungssperrposition befinden, zugleich mit der Patienten-
    Meissner, Bolte& Partner m/pot-059-ep/de
    schlauchleitung und der Vielzahl von zusätzlichen Schlauchleitungen in Kontakt stehen und diese in den geschlossenen Zustand klemmen.
  7. 7. Pumpvorrichtung für ein Peritonealdialysesystem, das folgendes aufweist:
    eine Flüssigkeitsverteilungskassette mit einer Pumpkammer und einer darüberliegenden Membran, eine flexible Schlauchleitung, die an der Flüssigkeits-Verteilungskassette angebracht ist, um eine Flüssig-
    keitsströmungsverbindung mit der Peritonealhöhle eines Patienten herzustellen,
    eine Quelle für Fluiddruck, und
    eine Betätigungsstation für die Flüssigkeitsverteilungskassette, die folgendes aufweist:
    eine Kammer zum Aufnehmen der Flüssigkeitsverteilungskassette und der daran angebrachten Schlauchleitung,
    eine Druckübertragungseinrichtung in der Kammer, die betätigbar ist, wenn die Flüssigkeitsverteilungskassette und die daran angebrachte Schlauchleitung in der Kammer aufgenommen sind, um den Fluiddruck von der Fluiddruckquelle zu der Membran zu übertragen, um Flüssigkeit durch die Flüssigkeitsverteilungskassette zu bewegen,
    eine Verschlußeinrichtung, die betätigbar ist, wenn die Flüssigkeitsverteilungskassette und die daran angebrachte Schlauchleitung in der Kammer aufgenommen sind, um mit der an der Kassette ange-
    0 brachten Schlauchleitung in Kontakt zu kommen und
    diese in den geschlossenen Zustand zu klemmen, eine erste Reservoireinrichtung in der Kammer, die sich in Abhängigkeit von der Einleitung von Fluiddruck von der Fluiddruckquelle aufbläht, um mit 5 der Druckübertragungseinrichtung in Kontakt zu
    .. .* .. .. &eegr; &pgr; /..&rgr; &rgr; &eegr; öse q> ^ ? &Tgr;1
    Meissner, Bolte & Partner m/pot-059-ep/de
    kommen, um sie in wirksamem Kontakt gegen die Membran zu halten, und
    eine zweite Reservoireinrichtung in der Kammer, die sich in Abhängigkeit von der Einleitung von Fluiddruck von der Fluiddruckquelle aufbläht, um
    mit der Verschlußeinrichtung in Kontakt zu kommen und diese weg von dem klemmenden Kontakt mit der Schlauchleitung zu halten.
  8. 8. Vorrichtung nach Anspruch 7,
    die ferner eine Einrichtung aufweist, welche zumindest mit einer von der ersten und der zweiten Reservoireinrichtung in Verbindung steht, um Fluiddruck von der mindestens einen Reservoireinrichtung zu der Druckübertragungseinrichtung zur Weiterleitung auf die Membran zu übertragen.
  9. 9. Vorrichtung nach Anspruch 7 oder 8,
    die ferner eine Entlüftungseinrichtung aufweist, welche in Abhängigkeit von einem vorgegebenen Betriebszustand betätigbar ist, um die zweite Reservoireinrichtung zu entlüften, um eine Bewegung der Verschlußeinrichtung in den klemmenden Kontakt gegen die Schlauchleitung zu ermöglichen.
  10. 10. Vorrichtung nach Anspruch 9,
    wobei die flexible Schlauchleitung eine Vielzahl von Schläuchen aufweist, die an der Kassette angebracht sind, und wobei bei dem Entlüften der zweiten Reservoireinrichtung die Verschlußeinrichtung sich in gleichzeitigen klemmenden Kontakt mit sämtlichen Schläuchen bewegt.
  11. 11. Vorrichtung nach einem der Ansprüche 7 bis 10,
    wobei die Druckquelle eine Quelle für pneumatischen Druck ist.
    &bull; :: : : :: : : cHW tr U ODb Ju i I . .... < · ··· · ··· j j
    Meissner, Bolte & Partner m/pot-059-ep/de
  12. 12. Vorrichtung nach einem der Ansprüche 1 bis 11,
    wobei die Flüssigkeitsverteilungskassette folgendes aufweist :
    eine Vielzahl von Pumpkammern,
    - eine Vielzahl von Flüssigkeitswegen,
    eine Vielzahl von Ventilstationen, welche die Flüssigkeitswege mit den Pumpkammern und miteinander verbinden, und
    eine Membran, die über den Pumpkammern, den Flüssigkeitswegen und den Ventilstationen liegt.
  13. 13. Vorrichtung nach Anspruch 12,
    wobei die Flüssigkeitsverteilungskassette Hauptflüssigkeitswege, durch welche die Flüssigkeit in die Kassette eintritt oder aus der Kassette austritt, sowie Zweigwege aufweist, welche die Hauptflüssigkeitswege durch die Ventilstationen mit den Pumpkammern verbinden.
  14. 14. Vorrichtung nach Anspruch 12 oder 13,
    0 wobei die Flüssigkeitswege und Ventilstationen so angeordnet sind, daß sie die Peritonealhöhle eines Patienten von der Luft trennen, die sich in den Pumpkammern sammelt.
  15. 15. Vorrichtung nach Anspruch 14,
    wobei die Kassette ausgewählte kritische Flüssigkeitswege, die von der Luft getrennt sind, welche sich in den Pumpkammern sammelt, und ausgewählte nicht-kritische Flüssigkeitswege aufweist, um die Luft aus den Pumpkammern heraus abzuführen .
DE0856322T 1993-03-03 1994-02-28 Pumpmechanismen für Peritonealdialysesysteme Pending DE856322T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/027,485 US5431626A (en) 1993-03-03 1993-03-03 Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure

Publications (1)

Publication Number Publication Date
DE856322T1 true DE856322T1 (de) 1999-04-22

Family

ID=21838006

Family Applications (7)

Application Number Title Priority Date Filing Date
DE69431813T Expired - Lifetime DE69431813T2 (de) 1993-03-03 1994-02-28 Pumpmechanismen für Peritonealdialysesysteme
DE69431811T Expired - Lifetime DE69431811T2 (de) 1993-03-03 1994-02-28 System zur Durchführung einer Peritonealdialyse mit einer Flüssigkeitsverteilungskassette in einer Bedienungseinrichtung
DE69413940T Expired - Lifetime DE69413940T2 (de) 1993-03-03 1994-02-28 Den druck eines strömungsmittels anwendende pumpenmechanismen für peritonaldialysesysteme
DE69431812T Expired - Lifetime DE69431812T2 (de) 1993-03-03 1994-02-28 Pumpvorrichtung für ein Peritonealdialysesystem
DE0856320T Pending DE856320T1 (de) 1993-03-03 1994-02-28 System zur Durchführung einer Peritonealdialyse mit einer Flüssigkeitsverteilungskassette in einer Bedienungseinrichtung
DE0856321T Pending DE856321T1 (de) 1993-03-03 1994-02-28 Pumpvorrichtung für ein Periotonealdialysesystem
DE0856322T Pending DE856322T1 (de) 1993-03-03 1994-02-28 Pumpmechanismen für Peritonealdialysesysteme

Family Applications Before (6)

Application Number Title Priority Date Filing Date
DE69431813T Expired - Lifetime DE69431813T2 (de) 1993-03-03 1994-02-28 Pumpmechanismen für Peritonealdialysesysteme
DE69431811T Expired - Lifetime DE69431811T2 (de) 1993-03-03 1994-02-28 System zur Durchführung einer Peritonealdialyse mit einer Flüssigkeitsverteilungskassette in einer Bedienungseinrichtung
DE69413940T Expired - Lifetime DE69413940T2 (de) 1993-03-03 1994-02-28 Den druck eines strömungsmittels anwendende pumpenmechanismen für peritonaldialysesysteme
DE69431812T Expired - Lifetime DE69431812T2 (de) 1993-03-03 1994-02-28 Pumpvorrichtung für ein Peritonealdialysesystem
DE0856320T Pending DE856320T1 (de) 1993-03-03 1994-02-28 System zur Durchführung einer Peritonealdialyse mit einer Flüssigkeitsverteilungskassette in einer Bedienungseinrichtung
DE0856321T Pending DE856321T1 (de) 1993-03-03 1994-02-28 Pumpvorrichtung für ein Periotonealdialysesystem

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CA (1) CA2134205C (de)
DE (7) DE69431813T2 (de)
DK (4) DK0856320T3 (de)
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DE856321T1 (de) 1999-04-22
DE69431813D1 (de) 2003-01-09
DE69431812T2 (de) 2003-10-09
EP0856320B1 (de) 2002-11-27
TW257682B (de) 1995-09-21
WO1994020153A3 (en) 1994-11-24
US5431626A (en) 1995-07-11
EP0856322B1 (de) 2002-11-27
US5634896A (en) 1997-06-03
DE69413940T2 (de) 1999-06-02
EP0856322A1 (de) 1998-08-05
DK0856322T3 (da) 2003-03-10
JPH07506521A (ja) 1995-07-20
JP3113888B2 (ja) 2000-12-04
EP0856321A1 (de) 1998-08-05
BR9404343A (pt) 1999-06-15
ATE172122T1 (de) 1998-10-15
ES2120935T1 (es) 1998-11-16
CA2134205C (en) 2001-10-09
CA2134205A1 (en) 1994-09-15
ES2120936T1 (es) 1998-11-16
DK0856321T3 (da) 2003-03-10
EP0660725B1 (de) 1998-10-14
DK0660725T3 (da) 1999-06-23
DE69431812D1 (de) 2003-01-09
WO1994020153A2 (en) 1994-09-15
DE856320T1 (de) 1999-04-22
EP0660725A1 (de) 1995-07-05
EP0856320A1 (de) 1998-08-05
DE69431811T2 (de) 2003-10-09
DE69431811D1 (de) 2003-01-09
ES2120937T1 (es) 1998-11-16
DE69413940D1 (de) 1998-11-19
EP0856321B1 (de) 2002-11-27
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DE69431813T2 (de) 2003-10-09
DK0856320T3 (da) 2003-03-10

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