DE69528156T2 - System und verfahren zur überwachung des durchflusses in einer dialysemaschine - Google Patents

System und verfahren zur überwachung des durchflusses in einer dialysemaschine

Info

Publication number
DE69528156T2
DE69528156T2 DE69528156T DE69528156T DE69528156T2 DE 69528156 T2 DE69528156 T2 DE 69528156T2 DE 69528156 T DE69528156 T DE 69528156T DE 69528156 T DE69528156 T DE 69528156T DE 69528156 T2 DE69528156 T2 DE 69528156T2
Authority
DE
Germany
Prior art keywords
dialysis fluid
throttle
pct
dialyzer
flow
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
DE69528156T
Other languages
English (en)
Other versions
DE69528156D1 (de
Inventor
Leif Mattisson
Gunilla Wejfeldt
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.)
Gambro Lundia AB
Original Assignee
Gambro AB
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 Gambro AB filed Critical Gambro AB
Publication of DE69528156D1 publication Critical patent/DE69528156D1/de
Application granted granted Critical
Publication of DE69528156T2 publication Critical patent/DE69528156T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0676—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on flow sources
    • G05D7/0682—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on flow sources using a plurality of flow sources
    • 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
    • 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
    • A61M1/1601—Control or regulation
    • A61M1/1603—Regulation parameters
    • A61M1/1605—Physical characteristics of the dialysate fluid
    • 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
    • A61M1/1621—Constructional aspects thereof
    • A61M1/1647—Constructional aspects thereof with flow rate measurement of the dialysis fluid, upstream and downstream of the dialyser
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/363—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/13—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a reference counter
    • 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
    • A61M2205/3368—Temperature
    • 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
    • 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
    • Y10S210/00—Liquid purification or separation
    • Y10S210/929—Hemoultrafiltrate volume measurement or control processes
DE69528156T 1994-02-18 1995-02-17 System und verfahren zur überwachung des durchflusses in einer dialysemaschine Expired - Lifetime DE69528156T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9400555A SE513524C2 (sv) 1994-02-18 1994-02-18 System jämte förfarande för beräkning och/eller övervakning av ett vätskeflöde i en dialysapparat
PCT/SE1995/000166 WO1995022743A1 (en) 1994-02-18 1995-02-17 System and method for monitoring a fluid flow in a dialysis machine

Publications (2)

Publication Number Publication Date
DE69528156D1 DE69528156D1 (de) 2002-10-17
DE69528156T2 true DE69528156T2 (de) 2003-02-13

Family

ID=20392988

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528156T Expired - Lifetime DE69528156T2 (de) 1994-02-18 1995-02-17 System und verfahren zur überwachung des durchflusses in einer dialysemaschine

Country Status (7)

Country Link
US (1) US5792367A (de)
EP (1) EP0745213B1 (de)
JP (1) JP3618352B2 (de)
AT (1) ATE224042T1 (de)
DE (1) DE69528156T2 (de)
SE (1) SE513524C2 (de)
WO (1) WO1995022743A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
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DE102005013418A1 (de) * 2005-03-23 2006-09-28 B. Braun Medizintechnologie Gmbh Blutbehandlungsgerät mit Alarmvorrichtung
DE102013001587A1 (de) * 2013-01-30 2014-07-31 Fresenius Medical Care Deutschland Gmbh Vorrichtung und Verfahren zur Regelung einer Behandlungsvorrichtung
DE102013002395A1 (de) * 2013-02-13 2014-08-14 Fresenius Medical Care Deutschland Gmbh Vorrichtung und Verfahren zur Regelung einer Behandlungsvorrichtung

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DE19600291C2 (de) * 1996-01-05 2000-07-20 Waldner Laboreinrichtungen Verfahren zum Bestimmen des Gasvolumenstromes in einem Strömungskanal durch Messung der Wirkdruckdifferenz
DE19700466A1 (de) 1997-01-09 1998-07-16 Polaschegg Hans Dietrich Dr Einrichtung und Verfahren zur Hämodiafiltration
US6187199B1 (en) * 1997-01-24 2001-02-13 Fresenius Medical Care Deutschland Gmbh Process and device for determining hemodialysis parameters
DE19708391C1 (de) * 1997-03-01 1998-10-22 Fresenius Medical Care De Gmbh Verfahren und Vorrichtung zur Ultrafiltration bei der Hämodialyse
US5928180A (en) 1997-03-25 1999-07-27 Krivitski; Nikolai M. Method and apparatus for real time monitoring of blood volume in a filter
SE510286C2 (sv) * 1997-09-22 1999-05-10 Gambro Med Tech Ab Förfarande och anordning för övervakning av infusionspump i en hemo- eller hemodiafiltreringsmaskin
SE513838C2 (sv) 1998-06-25 2000-11-13 Gambro Lundia Ab Metod jämte anordning för kalibrering av avkännande medel i ett system med ett strömmande fluidum
US6331252B1 (en) * 1998-07-31 2001-12-18 Baxter International Inc. Methods for priming a blood compartment of a hemodialyzer
US6193472B1 (en) 1999-03-12 2001-02-27 Dialysis Systems, Inc. Fluid vacuum system
US6235199B1 (en) 1999-03-12 2001-05-22 Dialysis Systems, Inc. Parallel plumbing supply system
US8722422B2 (en) 1999-09-03 2014-05-13 Therakos, Inc. Uninterrupted flow pump apparatus and method
US6495366B1 (en) 1999-09-03 2002-12-17 Therakos, Inc. Uninterrupted flow pump apparatus and method
SE522400C2 (sv) * 2000-04-19 2004-02-03 Gambro Lundia Ab Förfarande och en anordning för övervakning av strömningshastigheten för en infusionslösning
US6793643B1 (en) 2000-04-21 2004-09-21 Therakos, Inc. Low extracorporeal volume treatment system
US6890315B1 (en) * 2000-05-23 2005-05-10 Chf Solutions, Inc. Method and apparatus for vein fluid removal in heart failure
US6503062B1 (en) * 2000-07-10 2003-01-07 Deka Products Limited Partnership Method for regulating fluid pump pressure
US6689083B1 (en) * 2000-11-27 2004-02-10 Chf Solutions, Inc. Controller for ultrafiltration blood circuit which prevents hypotension by monitoring osmotic pressure in blood
US20030083901A1 (en) * 2001-06-22 2003-05-01 Bosch Juan P. Process for providing dialysis and other treatments
SE523610C2 (sv) * 2001-10-02 2004-05-04 Gambro Lundia Ab Metod vid styrning av dialysanordning
FR2839261B1 (fr) * 2002-05-06 2006-04-07 Ciposa Sa Procede de nettoyage et de qulaification d'un filtre de dialyse et machine pour la mise en oeuvre de ce procede
US7175606B2 (en) 2002-05-24 2007-02-13 Baxter International Inc. Disposable medical fluid unit having rigid frame
US7153286B2 (en) 2002-05-24 2006-12-26 Baxter International Inc. Automated dialysis system
US6929751B2 (en) * 2002-05-24 2005-08-16 Baxter International Inc. Vented medical fluid tip protector methods
US11273245B2 (en) 2002-07-19 2022-03-15 Baxter International Inc. Dialysis system having a vented disposable dialysis fluid carrying member
US7238164B2 (en) 2002-07-19 2007-07-03 Baxter International Inc. Systems, methods and apparatuses for pumping cassette-based therapies
MX351817B (es) 2003-10-28 2017-10-30 Baxter Healthcare Sa Metodos mejorados de cebado, integridad y altura sobre la cabeza y aparatos para sistemas de fluidos medicinales.
US8029454B2 (en) 2003-11-05 2011-10-04 Baxter International Inc. High convection home hemodialysis/hemofiltration and sorbent system
JP5188959B2 (ja) * 2006-04-07 2013-04-24 株式会社日立メディコ 超音波探触子及び超音波診断装置
US9514283B2 (en) 2008-07-09 2016-12-06 Baxter International Inc. Dialysis system having inventory management including online dextrose mixing
US8062513B2 (en) 2008-07-09 2011-11-22 Baxter International Inc. Dialysis system and machine having therapy prescription recall
US8088091B2 (en) 2009-03-09 2012-01-03 New Jersey Institute Of Technology No clog shunt using a compact fluid drag path
US8753515B2 (en) 2009-12-05 2014-06-17 Home Dialysis Plus, Ltd. Dialysis system with ultrafiltration control
US8501009B2 (en) 2010-06-07 2013-08-06 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Fluid purification system
JP5696526B2 (ja) * 2011-02-24 2015-04-08 三浦工業株式会社 蒸気使用量計測装置
AU2012318561B2 (en) 2011-10-07 2017-04-20 Outset Medical, Inc. Heat exchange fluid purification for dialysis system
US20150314055A1 (en) 2014-04-29 2015-11-05 Michael Edward HOGARD Dialysis system and methods
EP3204064B1 (de) 2014-10-10 2020-12-02 NxStage Medical, Inc. Flussausgleichsvorrichtungen, verfahren und systeme dafür
US10226193B2 (en) 2015-03-31 2019-03-12 Medtronic Ps Medical, Inc. Wireless pressure measurement and monitoring for shunts
JP7086926B2 (ja) 2016-07-18 2022-06-20 ネクステージ メディカル インコーポレイテッド フローバランシングの装置、方法、及びシステム
ES2908601T3 (es) 2016-08-19 2022-05-03 Outset Medical Inc Sistema y métodos de diálisis peritoneal
US10272187B2 (en) * 2017-02-22 2019-04-30 Fresenius Medical Care Holdings, Inc. System and methods for dialyzer flow rates estimation using measured dialyzer pressures
SG11202009657YA (en) 2018-04-17 2020-10-29 Deka Products Lp Peritoneal dialysis cassette with pneumatic pump

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US4370983A (en) * 1971-01-20 1983-02-01 Lichtenstein Eric Stefan Computer-control medical care system
GB2003274B (en) * 1977-07-12 1982-02-24 Repgreen Ltd Measurement method and apparatus
SE434192B (sv) * 1982-09-28 1984-07-09 Gambro Lundia Ab Anordning for metning av skillnaden mellan tva floden i tva skilda kanaler
SE447963B (sv) * 1985-06-04 1987-01-12 Gambro Ab System for styrning av dialys
US4827430A (en) * 1987-05-11 1989-05-02 Baxter International Inc. Flow measurement system
DE59302560D1 (de) * 1992-04-08 1996-06-20 Egger & Co Verfahren und Vorrichtung zum Messen der Durchflussmenge eines Mediums und Anwendung des Verfahrens
FR2692983B1 (fr) * 1992-06-30 1994-10-14 Hospal Ind Procédé d'étalonnage d'un couple de capteurs placés dans un circuit de dialyse et rein artificiel pour la mise en Óoeuvre du procédé.
DE4239937C2 (de) * 1992-11-27 1995-08-24 Fresenius Ag Verfahren zur Feststellung der Funktionsfähigkeit einer Teileinrichtung eines Hämodialysegerätes und Vorrichtung zur Durchführung dieses Verfahrens

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005013418A1 (de) * 2005-03-23 2006-09-28 B. Braun Medizintechnologie Gmbh Blutbehandlungsgerät mit Alarmvorrichtung
DE102013001587A1 (de) * 2013-01-30 2014-07-31 Fresenius Medical Care Deutschland Gmbh Vorrichtung und Verfahren zur Regelung einer Behandlungsvorrichtung
US10307526B2 (en) 2013-01-30 2019-06-04 Fresenius Medical Care Deutschland Gmbh Device and method for regulating a treatment device
DE102013002395A1 (de) * 2013-02-13 2014-08-14 Fresenius Medical Care Deutschland Gmbh Vorrichtung und Verfahren zur Regelung einer Behandlungsvorrichtung

Also Published As

Publication number Publication date
JPH10500867A (ja) 1998-01-27
SE513524C2 (sv) 2000-09-25
WO1995022743A1 (en) 1995-08-24
ATE224042T1 (de) 2002-09-15
SE9400555L (sv) 1995-08-19
JP3618352B2 (ja) 2005-02-09
SE9400555D0 (sv) 1994-02-18
DE69528156D1 (de) 2002-10-17
EP0745213A1 (de) 1996-12-04
EP0745213B1 (de) 2002-09-11
US5792367A (en) 1998-08-11

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: GAMBRO LUNDIA AB, LUND, SE

8364 No opposition during term of opposition