SE513838C2 - Metod jämte anordning för kalibrering av avkännande medel i ett system med ett strömmande fluidum - Google Patents

Metod jämte anordning för kalibrering av avkännande medel i ett system med ett strömmande fluidum

Info

Publication number
SE513838C2
SE513838C2 SE9802259A SE9802259A SE513838C2 SE 513838 C2 SE513838 C2 SE 513838C2 SE 9802259 A SE9802259 A SE 9802259A SE 9802259 A SE9802259 A SE 9802259A SE 513838 C2 SE513838 C2 SE 513838C2
Authority
SE
Sweden
Prior art keywords
phase
pressure
difference
values
output
Prior art date
Application number
SE9802259A
Other languages
English (en)
Swedish (sv)
Other versions
SE9802259L (sv
SE9802259D0 (sv
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
Priority to SE9802259A priority Critical patent/SE513838C2/sv
Publication of SE9802259D0 publication Critical patent/SE9802259D0/xx
Priority to AT99957197T priority patent/ATE319074T1/de
Priority to PCT/SE1999/000730 priority patent/WO1999067615A1/en
Priority to US09/720,050 priority patent/US6530262B1/en
Priority to JP2000556223A priority patent/JP4221156B2/ja
Priority to ES99957197T priority patent/ES2258344T3/es
Priority to EP99957197A priority patent/EP1088210B1/de
Priority to DE69930145T priority patent/DE69930145T2/de
Publication of SE9802259L publication Critical patent/SE9802259L/
Publication of SE513838C2 publication Critical patent/SE513838C2/sv

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)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • External Artificial Organs (AREA)
  • Examining Or Testing Airtightness (AREA)
SE9802259A 1998-06-25 1998-06-25 Metod jämte anordning för kalibrering av avkännande medel i ett system med ett strömmande fluidum SE513838C2 (sv)

Priority Applications (8)

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
AT99957197T ATE319074T1 (de) 1998-06-25 1999-05-03 Verfahren und vorrichtung zur feststellung von leckagen in einem system mit strömendem fluid
PCT/SE1999/000730 WO1999067615A1 (en) 1998-06-25 1999-05-03 Method and device for determining the existence of leaks in a system with flowing fluid
US09/720,050 US6530262B1 (en) 1998-06-25 1999-05-03 Method and device for determining the existence of leaks in a system with flowing fluid
JP2000556223A JP4221156B2 (ja) 1998-06-25 1999-05-03 流体が流れている系内の漏れの存在を検出する方法と装置
ES99957197T ES2258344T3 (es) 1998-06-25 1999-05-03 Procedimiento y dispositivo para determinar la existencia de fugas en un sistema por el que circula un fluido.
EP99957197A EP1088210B1 (de) 1998-06-25 1999-05-03 Verfahren und vorrichtung zur feststellung von leckagen in einem system mit strömendem fluid
DE69930145T DE69930145T2 (de) 1998-06-25 1999-05-03 Verfahren und Vorrichtung zum Bestimmen des Vorhandenseins von Lecks in einem System mit strömendem Fluid

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 (3)

Publication Number Publication Date
SE9802259D0 SE9802259D0 (sv) 1998-06-25
SE9802259L SE9802259L (sv) 2000-02-09
SE513838C2 true SE513838C2 (sv) 2000-11-13

Family

ID=20411835

Family Applications (1)

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

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)

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US6572576B2 (en) * 2001-07-07 2003-06-03 Nxstage Medical, Inc. Method and apparatus for leak detection in a fluid line
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
US20030128125A1 (en) 2002-01-04 2003-07-10 Burbank Jeffrey H. Method and apparatus for machine error detection by combining multiple sensor inputs
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
US20110189048A1 (en) * 2009-12-05 2011-08-04 Curtis James R Modular dialysis system
US8753515B2 (en) * 2009-12-05 2014-06-17 Home Dialysis Plus, Ltd. Dialysis system with ultrafiltration control
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
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
ES2640953T3 (es) 2011-10-07 2017-11-07 Outset Medical, Inc. Purificación de líquido de intercambio de calor para un sistema de diálisis
GB2500998B (en) * 2012-03-19 2019-01-16 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
EP3137128B1 (de) 2014-04-29 2021-02-24 Outset Medical, Inc. Dialysesysteme und -verfahren
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

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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
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Also Published As

Publication number Publication date
EP1088210A1 (de) 2001-04-04
DE69930145D1 (de) 2006-04-27
WO1999067615A1 (en) 1999-12-29
ES2258344T3 (es) 2006-08-16
US6530262B1 (en) 2003-03-11
EP1088210B1 (de) 2006-03-01
SE9802259L (sv) 2000-02-09
JP2002519630A (ja) 2002-07-02
DE69930145T2 (de) 2006-08-17
ATE319074T1 (de) 2006-03-15
JP4221156B2 (ja) 2009-02-12
SE9802259D0 (sv) 1998-06-25

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