ATE224042T1 - 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
ATE224042T1
ATE224042T1 AT95910058T AT95910058T ATE224042T1 AT E224042 T1 ATE224042 T1 AT E224042T1 AT 95910058 T AT95910058 T AT 95910058T AT 95910058 T AT95910058 T AT 95910058T AT E224042 T1 ATE224042 T1 AT E224042T1
Authority
AT
Austria
Prior art keywords
dialysis fluid
throttle
pct
dialyzer
calculating
Prior art date
Application number
AT95910058T
Other languages
English (en)
Inventor
Leif Mattisson
Gunilla Wejfeldt
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
Application granted granted Critical
Publication of ATE224042T1 publication Critical patent/ATE224042T1/de

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Fluid Mechanics (AREA)
  • Emergency Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Automation & Control Theory (AREA)
  • External Artificial Organs (AREA)
AT95910058T 1994-02-18 1995-02-17 System und verfahren zur überwachung des durchflusses in einer dialysemaschine ATE224042T1 (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 (1)

Publication Number Publication Date
ATE224042T1 true ATE224042T1 (de) 2002-09-15

Family

ID=20392988

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95910058T ATE224042T1 (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)

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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
DE59810535D1 (de) * 1997-01-24 2004-02-12 Fresenius Medical Care De Gmbh Verfahren zur bestimmung von parametern der hämodialyse und vorrichtung zur durchführung des verfahrens
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
US6235199B1 (en) 1999-03-12 2001-05-22 Dialysis Systems, Inc. Parallel plumbing supply system
US6193472B1 (en) 1999-03-12 2001-02-27 Dialysis Systems, Inc. Fluid vacuum 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
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
US7175606B2 (en) 2002-05-24 2007-02-13 Baxter International Inc. Disposable medical fluid unit having rigid frame
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
US7575564B2 (en) * 2003-10-28 2009-08-18 Baxter International Inc. Priming, integrity and head height methods and apparatuses for medical fluid systems
US8029454B2 (en) 2003-11-05 2011-10-04 Baxter International Inc. High convection home hemodialysis/hemofiltration and sorbent system
DE102005013418A1 (de) * 2005-03-23 2006-09-28 B. Braun Medizintechnologie Gmbh Blutbehandlungsgerät mit Alarmvorrichtung
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
US8062513B2 (en) 2008-07-09 2011-11-22 Baxter International Inc. Dialysis system and machine having therapy prescription recall
US9514283B2 (en) 2008-07-09 2016-12-06 Baxter International Inc. Dialysis system having inventory management including online dextrose mixing
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
JP2014533133A (ja) 2011-10-07 2014-12-11 ホーム・ダイアリシス・プラス・リミテッドＨｏｍｅ ＤｉａｌｙｓｉｓＰｌｕｓ， Ｌｔｄ． 透析システムのための熱交換流体の精製
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
US20150314055A1 (en) 2014-04-29 2015-11-05 Michael Edward HOGARD Dialysis system and methods
US10525182B2 (en) * 2014-10-10 2020-01-07 Nxstage Medical, Inc. Flow balancing devices, methods, and systems
US10226193B2 (en) 2015-03-31 2019-03-12 Medtronic Ps Medical, Inc. Wireless pressure measurement and monitoring for shunts
EP4052737A1 (de) 2016-07-18 2022-09-07 NxStage Medical Inc. Flussausgleichsvorrichtungen, verfahren und systeme dafür
JP7025408B2 (ja) 2016-08-19 2022-02-24 アウトセット・メディカル・インコーポレイテッド 腹膜透析システム及び方法
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
WO2019204195A1 (en) 2018-04-17 2019-10-24 Deka Products Limited Partnership Peritoneal dialysis cassette with pneumatic pump

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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

Also Published As

Publication number Publication date
DE69528156D1 (de) 2002-10-17
US5792367A (en) 1998-08-11
SE9400555D0 (sv) 1994-02-18
SE9400555L (sv) 1995-08-19
DE69528156T2 (de) 2003-02-13
JP3618352B2 (ja) 2005-02-09
EP0745213A1 (de) 1996-12-04
EP0745213B1 (de) 2002-09-11
JPH10500867A (ja) 1998-01-27
SE513524C2 (sv) 2000-09-25
WO1995022743A1 (en) 1995-08-24

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