SE9400555L - System för beräkning av ett vätskeflöde jämte förfarande för användning av beräkningssättet - Google Patents

System för beräkning av ett vätskeflöde jämte förfarande för användning av beräkningssättet

Info

Publication number
SE9400555L
SE9400555L SE9400555A SE9400555A SE9400555L SE 9400555 L SE9400555 L SE 9400555L SE 9400555 A SE9400555 A SE 9400555A SE 9400555 A SE9400555 A SE 9400555A SE 9400555 L SE9400555 L SE 9400555L
Authority
SE
Sweden
Prior art keywords
calculating
dialysis fluid
throttle
pct
dialyzer
Prior art date
Application number
SE9400555A
Other languages
English (en)
Other versions
SE9400555D0 (sv
SE513524C2 (sv
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
Priority to SE9400555A priority Critical patent/SE513524C2/sv
Publication of SE9400555D0 publication Critical patent/SE9400555D0/sv
Priority to EP95910058A priority patent/EP0745213B1/en
Priority to US08/693,263 priority patent/US5792367A/en
Priority to PCT/SE1995/000166 priority patent/WO1995022743A1/en
Priority to JP52175795A priority patent/JP3618352B2/ja
Priority to DE69528156T priority patent/DE69528156T2/de
Priority to AT95910058T priority patent/ATE224042T1/de
Publication of SE9400555L publication Critical patent/SE9400555L/sv
Publication of SE513524C2 publication Critical patent/SE513524C2/sv

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)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Emergency Medicine (AREA)
  • Anesthesiology (AREA)
  • General Physics & Mathematics (AREA)
  • Hematology (AREA)
  • Fluid Mechanics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Automation & Control Theory (AREA)
  • External Artificial Organs (AREA)
SE9400555A 1994-02-18 1994-02-18 System jämte förfarande för beräkning och/eller övervakning av ett vätskeflöde i en dialysapparat SE513524C2 (sv)

Priority Applications (7)

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
EP95910058A EP0745213B1 (en) 1994-02-18 1995-02-17 System and method for monitoring a fluid flow in a dialysis machine
US08/693,263 US5792367A (en) 1994-02-18 1995-02-17 System and method for monitoring a flow of dialysis fluid in a dialysis machine
PCT/SE1995/000166 WO1995022743A1 (en) 1994-02-18 1995-02-17 System and method for monitoring a fluid flow in a dialysis machine
JP52175795A JP3618352B2 (ja) 1994-02-18 1995-02-17 透析機械内の流体流量を監視するシステム
DE69528156T DE69528156T2 (de) 1994-02-18 1995-02-17 System und verfahren zur überwachung des durchflusses in einer dialysemaschine
AT95910058T ATE224042T1 (de) 1994-02-18 1995-02-17 System und verfahren zur überwachung des durchflusses in einer dialysemaschine

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE9400555D0 SE9400555D0 (sv) 1994-02-18
SE9400555L true SE9400555L (sv) 1995-08-19
SE513524C2 SE513524C2 (sv) 2000-09-25

Family

ID=20392988

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9400555A SE513524C2 (sv) 1994-02-18 1994-02-18 System jämte förfarande för beräkning och/eller övervakning av ett vätskeflöde i en dialysapparat

Country Status (7)

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

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
US7153286B2 (en) 2002-05-24 2006-12-26 Baxter International Inc. Automated dialysis system
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
EP1680155B2 (en) * 2003-10-28 2015-11-04 Baxter International Inc. Dialysis machine with improved integrity test
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
CN101415367B (zh) * 2006-04-07 2013-07-17 株式会社日立医药 超声波探头及超声波诊断装置
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
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
ES2864727T3 (es) 2014-04-29 2021-10-14 Outset Medical Inc Sistema y métodos de diálisis
EP3204064B1 (en) 2014-10-10 2020-12-02 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
US10898635B2 (en) 2016-07-18 2021-01-26 Nxstage Medical, Inc. Flow balancing devices, methods, and systems
WO2018035520A1 (en) 2016-08-19 2018-02-22 Outset Medical, Inc. Peritoneal dialysis system and methods
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
US11965766B2 (en) 2018-04-17 2024-04-23 Deka Products Limited Partnership Medical treatment system and methods using a plurality of fluid lines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
DE69528156D1 (de) 2002-10-17
JP3618352B2 (ja) 2005-02-09
WO1995022743A1 (en) 1995-08-24
EP0745213B1 (en) 2002-09-11
SE9400555D0 (sv) 1994-02-18
EP0745213A1 (en) 1996-12-04
DE69528156T2 (de) 2003-02-13
JPH10500867A (ja) 1998-01-27
US5792367A (en) 1998-08-11
SE513524C2 (sv) 2000-09-25
ATE224042T1 (de) 2002-09-15

Similar Documents

Publication Publication Date Title
SE9400555L (sv) System för beräkning av ett vätskeflöde jämte förfarande för användning av beräkningssättet
SE9303319D0 (sv) Sätt att beräkna och/eller styra flöder under en viss tidsperiod genom en peristaltisk pump samt en monitor anpassad för utövning av detta sätt
ID28073A (id) Metode-metode dan alat-alat untuk penampilan ultrafiltrasi yang dikontrol selama hemodialisis
SE9400100L (sv) Sätt vid dialys
ATE258812T1 (de) Vorrichtung zur kontrolle der natriumkonzentration eines dialysats nach verordnung
EP0904789A3 (en) Method and device for monitoring an infusion pump
ATE321580T1 (de) Vorrichtung zum berechnen von der dialyseeffizienz
DK1348457T3 (da) Fremgangsmåde til bestemmelse af behandlingsparametre på et hæmofiltreringsapparat og et hæmofiltreringsapparat til udövelse af fremgangsmåden
EP0234001A3 (en) Extracorporeal fluid treatment method and system
DK0643592T3 (da) System og metode til peritoneal dialyse ved anvendelse af pumpende kassette
SE9300728L (sv) Sätt att mäta effekten av en dialysbehandling
JP2005511151A (ja) 体外血液処理時に置換液の供給をモニターするための方法および素子
EP0236681A3 (en) Method and apparatus for measuring and providing corrected gas flow
DK0819022T3 (da) Fremgangsmåde og apparatur til afvanding af en suspension
AU7183001A (en) Method and apparatus for treating fluids
ATE141172T1 (de) Verfahren und vorrichtung zum dosieren eines additivs beim sammeln einer flüssigkeit
Cooney et al. Mass transfer in parallel-plate dialyzers—A conjugated boundary value problem
SE9403963D0 (sv) Förfarande och anordning för att hämma uppkkomsten av korrosion i en ledningskrets för en kontinuerligt strömmande systemvätska
GB1211409A (en) Method of and apparatus for liquid handling and dialysis
Marshall et al. Flow of a Newtonian fluid between parallel flat permeable plates—The application to a flat-plate hemodialyzer
EP0450132B1 (en) Apparatus for treating fluids in a circuit
SE8007921L (sv) Sett och anordning vid dialys
DE59504338D1 (de) Einrichtung zur bestimmung von abscheideraten
ES478649A1 (es) Un aparato mejorado de desaireacion para un sistema de hemo-dialisis y dicho sistema de hemodialisis.
KOOCHAKI MODELLING OF CARBON-DIOXIDE REMOVAL FROM BLOOD BY COMBINED DIALYSER/OXYGENATOR DEVICES.

Legal Events

Date Code Title Description
NUG Patent has lapsed