ATE213652T1 - Verfahren zum überwachen eines flüssigkeitsstromes - Google Patents

Verfahren zum überwachen eines flüssigkeitsstromes

Info

Publication number
ATE213652T1
ATE213652T1 AT95203214T AT95203214T ATE213652T1 AT E213652 T1 ATE213652 T1 AT E213652T1 AT 95203214 T AT95203214 T AT 95203214T AT 95203214 T AT95203214 T AT 95203214T AT E213652 T1 ATE213652 T1 AT E213652T1
Authority
AT
Austria
Prior art keywords
container
flow
weighing container
fluid
amount
Prior art date
Application number
AT95203214T
Other languages
English (en)
Inventor
Michael G Ford
Paul R Prince
Original Assignee
Baxter Int
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 Baxter Int filed Critical Baxter Int
Application granted granted Critical
Publication of ATE213652T1 publication Critical patent/ATE213652T1/de

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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16809—Flow controllers by repeated filling and emptying of an intermediate volume
    • 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
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3441—Substitution rate control as a function of the ultrafiltration rate
    • A61M1/3451—Substitution rate control as a function of the ultrafiltration rate the difference in weight between both ultra-filtrate and substitution reservoir being used as control signal
    • 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
    • A61M1/3496—Plasmapheresis; Leucopheresis; Lymphopheresis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
    • 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
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3386—Low level detectors
    • 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
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3393—Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A61M5/16845—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • External Artificial Organs (AREA)
  • Flow Control (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Electromechanical Clocks (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
AT95203214T 1990-03-30 1991-03-28 Verfahren zum überwachen eines flüssigkeitsstromes ATE213652T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50239590A 1990-03-30 1990-03-30

Publications (1)

Publication Number Publication Date
ATE213652T1 true ATE213652T1 (de) 2002-03-15

Family

ID=23997629

Family Applications (2)

Application Number Title Priority Date Filing Date
AT91907885T ATE138581T1 (de) 1990-03-30 1991-03-28 Isolations-, mess- und alarmsystem für flüssigkeit von mehreren quellen sowie entsprechendes verfahren
AT95203214T ATE213652T1 (de) 1990-03-30 1991-03-28 Verfahren zum überwachen eines flüssigkeitsstromes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT91907885T ATE138581T1 (de) 1990-03-30 1991-03-28 Isolations-, mess- und alarmsystem für flüssigkeit von mehreren quellen sowie entsprechendes verfahren

Country Status (7)

Country Link
EP (2) EP0704224B1 (de)
JP (1) JP3200667B2 (de)
AT (2) ATE138581T1 (de)
CA (1) CA2079236C (de)
DE (2) DE69119897T2 (de)
DK (2) DK0704224T3 (de)
WO (1) WO1991015253A2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910252A (en) * 1993-02-12 1999-06-08 Cobe Laboratories, Inc. Technique for extracorporeal treatment of blood
US6495366B1 (en) 1999-09-03 2002-12-17 Therakos, Inc. Uninterrupted flow pump apparatus and method
US6793643B1 (en) * 2000-04-21 2004-09-21 Therakos, Inc. Low extracorporeal volume treatment system
WO2004005717A1 (en) 2002-07-09 2004-01-15 Gambro Lundia Ab A support element for an extracorporeal fluid transport line
WO2004082744A1 (en) * 2003-03-13 2004-09-30 Immunocept, L.L.C. Method and system for colloid exchange therapy
US7744553B2 (en) 2003-12-16 2010-06-29 Baxter International Inc. Medical fluid therapy flow control systems and methods
US8728020B2 (en) 2007-10-04 2014-05-20 Gambro Lundia Ab Infusion apparatus
ES2403598T5 (es) 2009-12-22 2016-12-13 Gambro Lundia Ab Método y aparato para controlar una velocidad de flujo de fluido en un conducto de transporte de fluido de un dispositivo médico
DE102011018601B4 (de) 2011-04-21 2017-04-06 Fresenius Medical Care Deutschland Gmbh Vorrichtung zur extrakorporalen Blutbehandlung und Verfahren zur Überwachung der Flüssigkeitsströmung einer extrakorporalen Blutbehandlungsvorrichtung
WO2014152548A1 (en) 2013-03-15 2014-09-25 Gambro Renal Products, Inc. Extracorporeal blood treatment apparatus with reservoir status lights
EP3031485B1 (de) 2014-12-10 2018-11-21 B. Braun Avitum AG Verfahren und Steuerungsvorrichtung zur Bestimmung und Einstellung der Durchflussrate einer Blutförderpumpe
CN105194763A (zh) * 2015-10-28 2015-12-30 郑溢鑫 具有药液输液报警功能的装置
US10874791B2 (en) 2015-12-03 2020-12-29 Fresenius Medical Care Deutschland Gmbh Medical fluid bag rack and method to manufacture it, medical weighing device and blood treatment apparatus
DE102015121065A1 (de) * 2015-12-03 2017-06-08 Fresenius Medical Care Deutschland Gmbh Medizinischer Fluidbeutelhalter und Verfahren zu seiner Herstellung, medizinische Wiegevorrichtung und Behandlungsvorrichtung
ES2629163B1 (es) * 2017-03-30 2017-12-01 Grifols Worldwide Operations Limited Dispositivo de recambio plasmático terapéutico
DE102017115429A1 (de) 2017-07-10 2019-01-10 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtungen zum Kalibrieren einer Pumpe für die Blutbehandlung
EP3818999A1 (de) * 2019-11-06 2021-05-12 Fenwal, Inc. Therapeutische plasmaaustauschsysteme und verfahren
CN113567070B (zh) * 2021-06-15 2024-04-05 青岛海特生物医疗有限公司 一种气浴式融浆机及血浆泄露检测方法
CN115227892B (zh) * 2022-06-20 2025-09-23 健帆生物科技集团股份有限公司 血液净化设备的换袋提示方法、设备及存储介质
CN116870296B (zh) * 2023-09-07 2023-11-21 广东宝莱特医用科技股份有限公司 基于泵秤联调的输注控制方法、装置、设备、存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397197A1 (en) * 1978-11-03 1979-02-09 Sodip Sa Extracorporeal blood purificn. - by simultaneous haemodialysis and haemo-filtration with incorporated flow ewuilibrantion
GB2128882B (en) * 1982-10-22 1986-06-18 Terence Albert Overall Drip-feed supply apparatus
US4605503A (en) * 1983-05-26 1986-08-12 Baxter Travenol Laboratories, Inc. Single needle blood fractionation system having adjustable recirculation through filter
DE3637771C1 (de) * 1986-11-06 1987-12-10 Braun Melsungen Ag Infusionsvorrichtung

Also Published As

Publication number Publication date
CA2079236C (en) 2001-12-11
WO1991015253A2 (en) 1991-10-17
WO1991015253A3 (en) 1992-01-09
EP0704224A2 (de) 1996-04-03
CA2079236A1 (en) 1991-10-01
DK0522075T3 (da) 1996-10-14
JPH05508560A (ja) 1993-12-02
DE69119897T2 (de) 1997-01-23
EP0522075B1 (de) 1996-05-29
DE69132942D1 (de) 2002-04-04
EP0704224B1 (de) 2002-02-27
DE69132942T2 (de) 2002-11-07
JP3200667B2 (ja) 2001-08-20
ATE138581T1 (de) 1996-06-15
DK0704224T3 (da) 2002-05-27
EP0522075A1 (de) 1993-01-13
EP0704224A3 (de) 1996-09-18
DE69119897D1 (de) 1996-07-04

Similar Documents

Publication Publication Date Title
ATE213652T1 (de) Verfahren zum überwachen eines flüssigkeitsstromes
DE68923249D1 (de) Verfahren und Vorrichtung zum Messen und Steuern eines Flüssigkeitsdurchflusses.
DE3862237D1 (de) Verfahren und vorrichtung zum fuellen von kohlensaeurehaltigen fluessigkeiten, insbesondere getraenken, unter gegendruck in gefaesse oder dgl.
DE68908364D1 (de) Verfahren und vorrichtung zum wiegen einer kontinuierlichen stroemung eines fluessigen materials.
DE69116041D1 (de) Vorrichtung und Verfahren zum Aufspüren von anwesendem Gas in einer Bohrlochflüssigkeitsströmung
DE3669202D1 (de) Verfahren und einrichtung zur messung des fuellstandes in einem reaktordruckbehaelter eines siedewasserreaktors.
KR880003829A (ko) 액체 충전방법 및 장치
ATE36898T1 (de) Vorrichtung zum fuellen eines behaelters mit fluessigkeit bis zu einem vorgegebenen niveau.
ATE100005T1 (de) Verfahren und vorrichtung zum foerdern von pulverfoermigem oder koernigem material in eine stranggussform.
ATA260289A (de) Verfahren und vorrichtung zum bestimmen der schaumhöhe oder der sedimentationshöhe in flüssigkeiten
FR2415797B2 (fr) Dispositif de mesure en continu du niveau d'un liquide dans un recipient
ATE11453T1 (de) Vorrichtung zum messen der tatsaechlichen ausbringmenge von pflanzenschutzmitteln.
DE3677073D1 (de) Verfahren und vorrichtung zum feststellen eines fluessigkeitsdurchsatzes.
DE59503811D1 (de) Vorrichtung und verfahren zum füllen von behältern mit einer flüssigkeit
BE895989A (fr) Procede et dispositif de mesure du niveau du liquide de recipients
AT383286B (de) Verfahren zum kontaktieren eines gasstromes mit einer fluessigkeit und vorrichtung zur durchfuehrungdes verfahrens
DE3580185D1 (de) Apparat zum einspritzen abgemessener fluessigkeitsmengen in den strom eines fluessigen mediums.
DE69010106D1 (de) Verfahren und Vorrichtung zum Feststellen von Aenderungen des Flüssigkeitsniveaus in einem Speicherbehälter.
SE9101742D0 (sv) Regleranordning foer vaetskor
ATE15789T1 (de) Verfahren und vorrichtung zum begasen von fluessigkeiten.
DE69002199D1 (de) Verfahren und vorrichtung zum fuellen von behaeltern mit fluessigkeit bis zu einem vorgegebenen niveau.
DE69104820D1 (de) Verfahren und vorrichtung zum sichern der aufteilung eines fluidstromes.
Lumley Turbulent transport of passive contaminants and particles: fundamentals and advanced methods of numerical modeling
AT364654B (de) Verfahren zum messen der aktivitaet eines durch abwasser belasteten, in einem behaelter befindlichen belebtschlammes und vorrichtung zur durchfuehrung des verfahrens
DE68903060D1 (de) Apparat zur automatischen messung des scheinbaren gewichts eines in einer fluessigkeit suspendierten schmutzes, system zur automatischen messung des ponsarindex eines solchen schmutzes unter verwendung des apparates und anwendung in einer rohrleitung in einer abwasserreinigungsanlage.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee