ATE319074T1 - Verfahren und vorrichtung zur feststellung von leckagen in einem system mit strömendem fluid - Google Patents

Verfahren und vorrichtung zur feststellung von leckagen in einem system mit strömendem fluid

Info

Publication number
ATE319074T1
ATE319074T1 AT99957197T AT99957197T ATE319074T1 AT E319074 T1 ATE319074 T1 AT E319074T1 AT 99957197 T AT99957197 T AT 99957197T AT 99957197 T AT99957197 T AT 99957197T AT E319074 T1 ATE319074 T1 AT E319074T1
Authority
AT
Austria
Prior art keywords
fluid
flowing fluid
flowing
detecting leaks
detecting
Prior art date
Application number
AT99957197T
Other languages
English (en)
Inventor
Olle Esser
Original Assignee
Gambro Lundia 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 Lundia Ab filed Critical Gambro Lundia Ab
Application granted granted Critical
Publication of ATE319074T1 publication Critical patent/ATE319074T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
    • 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
    • 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
    • A61M1/165—Constructional aspects thereof with a dialyser bypass on the dialysis fluid line
    • 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
    • A61M1/3403—Regulation parameters
    • A61M1/341—Regulation parameters by measuring the filtrate rate or 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
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate
    • 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
    • A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
    • A61M2205/702—General characteristics of the apparatus with testing or calibration facilities automatically during use
    • 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
    • A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
    • A61M2205/705—Testing of filters for leaks

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • External Artificial Organs (AREA)
  • Examining Or Testing Airtightness (AREA)
AT99957197T 1998-06-25 1999-05-03 Verfahren und vorrichtung zur feststellung von leckagen in einem system mit strömendem fluid ATE319074T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802259A SE513838C2 (sv) 1998-06-25 1998-06-25 Metod jämte anordning för kalibrering av avkännande medel i ett system med ett strömmande fluidum

Publications (1)

Publication Number Publication Date
ATE319074T1 true ATE319074T1 (de) 2006-03-15

Family

ID=20411835

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99957197T ATE319074T1 (de) 1998-06-25 1999-05-03 Verfahren und vorrichtung zur feststellung von leckagen in einem system mit strömendem fluid

Country Status (8)

Country Link
US (1) US6530262B1 (de)
EP (1) EP1088210B1 (de)
JP (1) JP4221156B2 (de)
AT (1) ATE319074T1 (de)
DE (1) DE69930145T2 (de)
ES (1) ES2258344T3 (de)
SE (1) SE513838C2 (de)
WO (1) WO1999067615A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6572576B2 (en) * 2001-07-07 2003-06-03 Nxstage Medical, Inc. Method and apparatus for leak detection in a fluid line
US20030128125A1 (en) 2002-01-04 2003-07-10 Burbank Jeffrey H. Method and apparatus for machine error detection by combining multiple sensor inputs
US7040142B2 (en) * 2002-01-04 2006-05-09 Nxstage Medical, Inc. Method and apparatus for leak detection in blood circuits combining external fluid detection and air infiltration detection
US9717840B2 (en) 2002-01-04 2017-08-01 Nxstage Medical, Inc. Method and apparatus for machine error detection by combining multiple sensor inputs
DE10201109C1 (de) * 2002-01-15 2003-01-23 Fresenius Medical Care De Gmbh Verfahren und Vorrichtung zur Detektion einer Leckage in einem Flüssigkeitssystem einer Blutbehandlungsvorrichtung
US20070004996A1 (en) * 2005-06-20 2007-01-04 Lovejoy David A Needle disengagement sensing mechanism
US20090211341A1 (en) * 2005-06-29 2009-08-27 Klaus Witt Leakage Detection Based on Fluid Property Changes
JP4795775B2 (ja) * 2005-10-31 2011-10-19 トキコテクノ株式会社 地下タンクの漏洩検査方法
US8715235B2 (en) * 2007-07-05 2014-05-06 Baxter International Inc. Dialysis system having disposable cassette and heated cassette interface
US7909795B2 (en) * 2007-07-05 2011-03-22 Baxter International Inc. Dialysis system having disposable cassette and interface therefore
CN101614575B (zh) * 2008-06-26 2012-05-23 北京谊安医疗系统股份有限公司 校正质量流量传感器的电压与气流速度关系的方法
US8685251B2 (en) * 2009-12-05 2014-04-01 Home Dialysis Plus, Ltd. Ultra-pasteurization for dialysis machines
US8753515B2 (en) * 2009-12-05 2014-06-17 Home Dialysis Plus, Ltd. Dialysis system with ultrafiltration control
WO2011069110A1 (en) * 2009-12-05 2011-06-09 Home Dialysis Plus, Ltd. Modular dialysis system
EP2343092B2 (de) † 2009-12-22 2016-07-13 Gambro Lundia AB Verfahren und Vorrichtung zur Steuerung einer Strömungsrate in einer Flüssigkeitstransportleitung einer medizinischen Vorrichtung
DE102009060668A1 (de) * 2009-12-28 2011-06-30 Fresenius Medical Care Deutschland GmbH, 61352 Vorrichtung und Verfahren zur Überwachung einer extrakorporalen Blutbehandlung
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
CN103037916A (zh) * 2010-08-05 2013-04-10 日机装株式会社 血液净化装置及其漏液检查方法
DE102010035498B4 (de) * 2010-08-25 2012-08-02 Fresenius Medical Care Deutschland Gmbh Verfahren zum Detektieren von Leckagen, System und medizintechnische Behandlungsvorrichtung
AU2012318561B2 (en) 2011-10-07 2017-04-20 Outset Medical, Inc. Heat exchange fluid purification for dialysis system
US9261426B2 (en) 2012-03-19 2016-02-16 Ulc Robotics, Inc. System and method for automated integrity testing
DE102013001587A1 (de) * 2013-01-30 2014-07-31 Fresenius Medical Care Deutschland Gmbh Vorrichtung und Verfahren zur Regelung einer Behandlungsvorrichtung
US9506785B2 (en) 2013-03-15 2016-11-29 Rain Bird Corporation Remote flow rate measuring
WO2015168280A1 (en) 2014-04-29 2015-11-05 Outset Medical, Inc. Dialysis system and methods
WO2018013857A1 (en) 2016-07-13 2018-01-18 Rain Bird Corporation Flow sensor
ES2908601T3 (es) 2016-08-19 2022-05-03 Outset Medical Inc Sistema y métodos de diálisis peritoneal
US10473494B2 (en) 2017-10-24 2019-11-12 Rain Bird Corporation Flow sensor
US11662242B2 (en) 2018-12-31 2023-05-30 Rain Bird Corporation Flow sensor gauge

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695094A (en) * 1970-07-16 1972-10-03 Halliburton Co Leak detection method and system
JPS516083A (en) 1974-07-03 1976-01-19 Nippon Kokan Kk Ryutaino morekenchisochi
JPS6027372B2 (ja) * 1979-06-11 1985-06-28 工業技術院長 パイプラインの漏洩個所推定装置
EP0094533B1 (de) * 1982-05-15 1986-03-12 Fried. Krupp Gesellschaft mit beschränkter Haftung Verfahren zur Leckprüfung von Rohren oder Rohrnetzen
EP0188911A3 (de) * 1984-12-25 1987-09-16 Nippon Kokan Kabushiki Kaisha Verfahren und Vorrichtung zum Ermitteln von Lecks in einer Gasleitung
US4827430A (en) 1987-05-11 1989-05-02 Baxter International Inc. Flow measurement system
US5375455A (en) * 1990-08-30 1994-12-27 Vista Research, Inc. Methods for measuring flow rates to detect leaks
US5350357A (en) 1993-03-03 1994-09-27 Deka Products Limited Partnership Peritoneal dialysis systems employing a liquid distribution and pumping cassette that emulates gravity flow
SE513524C2 (sv) 1994-02-18 2000-09-25 Gambro Med Tech Ab System jämte förfarande för beräkning och/eller övervakning av ett vätskeflöde i en dialysapparat
EP0765670B1 (de) 1995-09-27 2003-10-15 Fresenius Medical Care Deutschland GmbH Vorrichtung zur Überwachung der Funktionssicherheit der Membran eines Dialysators
SE512266C2 (sv) * 1997-07-09 2000-02-21 Gambro Med Tech Ab Förfarande och anordning för integritetstest av ett slangset avsett för användning i en cykler för peritonealdialys
US6082182A (en) * 1997-10-20 2000-07-04 Vista Research, Inc. Apparatus for measuring the flow rate due to a leak in a pressurized pipe system
US5948969A (en) * 1997-10-20 1999-09-07 Vista Research, Inc. Methods for measuring the flow rate due to a leak in a pressurized pipe system

Also Published As

Publication number Publication date
WO1999067615A1 (en) 1999-12-29
ES2258344T3 (es) 2006-08-16
SE9802259L (sv) 2000-02-09
JP2002519630A (ja) 2002-07-02
DE69930145D1 (de) 2006-04-27
SE513838C2 (sv) 2000-11-13
SE9802259D0 (sv) 1998-06-25
EP1088210B1 (de) 2006-03-01
JP4221156B2 (ja) 2009-02-12
US6530262B1 (en) 2003-03-11
DE69930145T2 (de) 2006-08-17
EP1088210A1 (de) 2001-04-04

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