CA2011439A1 - Systeme de mesure de debit utilisant un tracteur thermique - Google Patents

Systeme de mesure de debit utilisant un tracteur thermique

Info

Publication number
CA2011439A1
CA2011439A1 CA2011439A CA2011439A CA2011439A1 CA 2011439 A1 CA2011439 A1 CA 2011439A1 CA 2011439 A CA2011439 A CA 2011439A CA 2011439 A CA2011439 A CA 2011439A CA 2011439 A1 CA2011439 A1 CA 2011439A1
Authority
CA
Canada
Prior art keywords
sensor
fluid
thermal marker
transit time
thermal
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2011439A
Other languages
English (en)
Other versions
CA2011439C (fr
Inventor
Jack Goldberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CareFusion 303 Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2011439A1 publication Critical patent/CA2011439A1/fr
Application granted granted Critical
Publication of CA2011439C publication Critical patent/CA2011439C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/7044—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter using thermal tracers
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7084—Measuring the time taken to traverse a fixed distance using thermal detecting arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
CA002011439A 1989-03-06 1990-03-05 Systeme de mesure de debit utilisant un tracteur thermique Expired - Fee Related CA2011439C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/319,353 US4938079A (en) 1989-03-06 1989-03-06 Thermal transit time flow measurement system
US319,353 1989-03-06

Publications (2)

Publication Number Publication Date
CA2011439A1 true CA2011439A1 (fr) 1990-09-06
CA2011439C CA2011439C (fr) 1997-07-01

Family

ID=23241895

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002011439A Expired - Fee Related CA2011439C (fr) 1989-03-06 1990-03-05 Systeme de mesure de debit utilisant un tracteur thermique

Country Status (5)

Country Link
US (1) US4938079A (fr)
EP (1) EP0386670B1 (fr)
JP (1) JPH0781894B2 (fr)
CA (1) CA2011439C (fr)
DE (1) DE69022449T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525040A (en) * 1994-03-31 1996-06-11 B&B Financial Planning Inc. Controller for oil wells with a thermal dispersion probe

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5026171A (en) * 1989-06-07 1991-06-25 Feller Murray F Apparatus for flow rate and energy transfer measurements
WO1991019170A1 (fr) * 1990-06-04 1991-12-12 Mcpherson's Limited Detecteur de debit et systeme de commande
KR960001601B1 (ko) * 1992-01-23 1996-02-02 삼성전자주식회사 반도체 장치의 접촉구 매몰방법 및 구조
US5260665A (en) * 1991-04-30 1993-11-09 Ivac Corporation In-line fluid monitor system and method
US5198776A (en) * 1991-06-26 1993-03-30 Microwave Medical Systems, Inc. Microwave system for detecting gaseous emboli
DE4127675C2 (de) * 1991-08-21 1996-08-14 Elbau Elektronik Bauelemente G Verfahren und Vorrichtung zum Überwachen der Strömung eines Fluids in einer Leitung, insbesondere für Infusionssysteme
WO1995002164A1 (fr) * 1993-07-07 1995-01-19 Ic Sensors, Inc. Systeme de capteurs thermiques pulses de debit
US5455565A (en) * 1993-11-08 1995-10-03 Ivac Corporation Fluid monitor system and method using a resonator
US5764539A (en) * 1994-01-21 1998-06-09 Novartis Nutrition Ag Non-invasive system and method for a fluid flow monitoring system
US5803917A (en) * 1994-09-13 1998-09-08 Alaris Medical Systems, Inc. Fluid flow resistance monitoring system
US6213972B1 (en) 1994-09-13 2001-04-10 Alaris Medical Systems, Inc. Fluid flow resistance monitoring system
US5646354A (en) * 1995-10-06 1997-07-08 Lovejoy Controls Corporation Microwave thermal trace flowmeter
US5741979A (en) * 1995-11-09 1998-04-21 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Adminstrator Particle velocity measuring system
US6158965A (en) * 1996-07-30 2000-12-12 Alaris Medical Systems, Inc. Fluid flow resistance monitoring system
US6503221B1 (en) * 1997-06-12 2003-01-07 Abbott Laboratories Temperature compensation system for regulating flow through tubing in a pump
TW384392B (en) * 1998-05-25 2000-03-11 Ind Tech Res Inst Architecture of novel thermal pulsed micro flow meter
US6386050B1 (en) 1999-12-21 2002-05-14 Agilent Technologies, Inc. Non-invasive fluid flow sensing based on injected heat tracers and indirect temperature monitoring
JP2001272261A (ja) * 2000-03-27 2001-10-05 Tokico Ltd 流速測定装置及び流量計
GB0011387D0 (en) * 2000-05-12 2000-06-28 Roke Manor Research Method and apparatus for measuring flow rates
DE10142269A1 (de) * 2001-08-29 2003-04-03 Siemens Dematic Ag Vorrichtung zum Aufnehmen und/oder Absetzen sowie Verfahren zum Erfassen von beweglichen Bauelementen
US7022098B2 (en) 2002-04-10 2006-04-04 Baxter International Inc. Access disconnection systems and methods
US10155082B2 (en) 2002-04-10 2018-12-18 Baxter International Inc. Enhanced signal detection for access disconnection systems
US7052480B2 (en) 2002-04-10 2006-05-30 Baxter International Inc. Access disconnection systems and methods
US20040254513A1 (en) 2002-04-10 2004-12-16 Sherwin Shang Conductive polymer materials and applications thereof including monitoring and providing effective therapy
US6932796B2 (en) * 2002-05-15 2005-08-23 Tearafuse, Inc. Liquid metering system
US20050005710A1 (en) * 2002-05-15 2005-01-13 Therafuse, Inc. Liquid metering system
KR20020080291A (ko) * 2002-08-28 2002-10-23 (주)글로벌뉴스 향 발산 수면 안대
US6695470B1 (en) * 2002-09-10 2004-02-24 Delphi Technologies, Inc. Apparatus and method for viscosity measurement
US7361155B2 (en) * 2003-09-16 2008-04-22 Therafuse, Inc. Compensating liquid delivery system and method
DE10356443A1 (de) * 2003-12-03 2005-07-07 Digmesa Ag Verfahren und Vorrichtung zum berührungslosen Messen von Durchflüssen
CA2567860C (fr) * 2004-05-28 2013-10-15 Enginivity Llc Regulation de l'ecoulement, detection du gaz et extraction du gaz present dans un systeme d'administration de fluide intraveineux.
JP4502256B2 (ja) * 2004-09-07 2010-07-14 株式会社山武 流量センサ
JP5024920B2 (ja) * 2005-12-15 2012-09-12 国立大学法人電気通信大学 流量測定装置及び方法
JP4935225B2 (ja) * 2006-07-28 2012-05-23 株式会社島津製作所 電子部品実装体
US8858787B2 (en) 2007-10-22 2014-10-14 Baxter International Inc. Dialysis system having non-invasive fluid velocity sensing
US8403908B2 (en) * 2007-12-17 2013-03-26 Hospira, Inc. Differential pressure based flow sensor assembly for medication delivery monitoring and method of using the same
US8517990B2 (en) 2007-12-18 2013-08-27 Hospira, Inc. User interface improvements for medical devices
JP5199692B2 (ja) * 2008-02-14 2013-05-15 サーパス工業株式会社 流量測定方法及び流量測定装置
US8065924B2 (en) * 2008-05-23 2011-11-29 Hospira, Inc. Cassette for differential pressure based medication delivery flow sensor assembly for medication delivery monitoring and method of making the same
US7819838B2 (en) * 2008-09-02 2010-10-26 Hospira, Inc. Cassette for use in a medication delivery flow sensor assembly and method of making the same
US20100114027A1 (en) * 2008-11-05 2010-05-06 Hospira, Inc. Fluid medication delivery systems for delivery monitoring of secondary medications
US8048022B2 (en) * 2009-01-30 2011-11-01 Hospira, Inc. Cassette for differential pressure based medication delivery flow sensor assembly for medication delivery monitoring and method of making the same
US20100280486A1 (en) * 2009-04-29 2010-11-04 Hospira, Inc. System and method for delivering and monitoring medication
US7908931B1 (en) * 2009-12-14 2011-03-22 Cosense, Inc. Non invasive flow rate measuring system and method
US20130014569A1 (en) * 2009-12-18 2013-01-17 Waters Technologies Corporation Thermal-based flow sensing apparatus and method for high-performance liquid chromatography
WO2012148357A1 (fr) * 2011-04-27 2012-11-01 Freddie Eng Hwee Lee Appareil d'administration de fluide
EP2701772A1 (fr) * 2011-04-27 2014-03-05 Freddie Eng Hwee Lee Appareil de surveillance d'une perfusion intraveineuse, et système et procédé afférents
US8656770B2 (en) * 2011-06-30 2014-02-25 Baker Hughes Incorporated Electromagnetically heated thermal flowmeter for wellbore fluids
US9240002B2 (en) 2011-08-19 2016-01-19 Hospira, Inc. Systems and methods for a graphical interface including a graphical representation of medical data
US10022498B2 (en) 2011-12-16 2018-07-17 Icu Medical, Inc. System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy
EP2830687B1 (fr) 2012-03-30 2019-07-24 ICU Medical, Inc. Système de détection d'air et procédé de détection d'air dans une pompe d'un système de perfusion
AU2013296555B2 (en) 2012-07-31 2017-10-19 Icu Medical, Inc. Patient care system for critical medications
WO2014070112A1 (fr) 2012-10-31 2014-05-08 Lee Eng Hwee Freddie Procédé et système de surveillance de perfusion intraveineuse (iv)
SG2012080636A (en) * 2012-10-31 2014-05-29 Eng Hwee Freddie Lee Intravenous (iv) infusion monitoring method and system
US10046112B2 (en) 2013-05-24 2018-08-14 Icu Medical, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
WO2014194089A1 (fr) 2013-05-29 2014-12-04 Hospira, Inc. Système de perfusion qui emploie un ou plusieurs capteurs et des informations additionnelles pour faire une détermination d'air concernant le système de perfusion
AU2014274122A1 (en) 2013-05-29 2016-01-21 Icu Medical, Inc. Infusion system and method of use which prevents over-saturation of an analog-to-digital converter
US20150133861A1 (en) 2013-11-11 2015-05-14 Kevin P. McLennan Thermal management system and method for medical devices
ES2776363T3 (es) 2014-02-28 2020-07-30 Icu Medical Inc Sistema de infusión y método que utiliza detección óptica de aire en línea de doble longitud de onda
US11344673B2 (en) 2014-05-29 2022-05-31 Icu Medical, Inc. Infusion system and pump with configurable closed loop delivery rate catch-up
US10143795B2 (en) 2014-08-18 2018-12-04 Icu Medical, Inc. Intravenous pole integrated power, control, and communication system and method for an infusion pump
US11344668B2 (en) 2014-12-19 2022-05-31 Icu Medical, Inc. Infusion system with concurrent TPN/insulin infusion
GB2553681B (en) 2015-01-07 2019-06-26 Homeserve Plc Flow detection device
GB201501935D0 (en) 2015-02-05 2015-03-25 Tooms Moore Consulting Ltd And Trow Consulting Ltd Water flow analysis
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
EP3304373B1 (fr) 2015-05-26 2020-07-08 ICU Medical, Inc. Dispositif jetable d'administration de fluide de perfusion destiné à une administration programmable de grands volumes de médicaments
ES2912378T3 (es) 2016-05-13 2022-05-25 Icu Medical Inc Sistema de bomba de infusión con purga automática de línea común
AU2017277804B2 (en) 2016-06-10 2022-05-26 Icu Medical, Inc. Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion
US10247635B2 (en) * 2016-06-30 2019-04-02 Hach Company Online chlorine analyzer
US20200061290A1 (en) * 2017-02-23 2020-02-27 Onefusion Ag Perfusion systems and flow sensors for use with perfusion systems
JP6951663B2 (ja) * 2017-12-26 2021-10-20 住友電装株式会社 コネクタ
US10089055B1 (en) 2017-12-27 2018-10-02 Icu Medical, Inc. Synchronized display of screen content on networked devices
KR102159087B1 (ko) * 2019-02-22 2020-09-23 한국기계연구원 전동식 약물주입펌프용 유량 측정장치 및 이를 이용한 유량 측정방법
EP3946537A4 (fr) * 2019-03-29 2022-12-28 Fisher & Paykel Healthcare Limited Systèmes et procédés de détection de connexions incorrectes dans un système d'humidification
USD939079S1 (en) 2019-08-22 2021-12-21 Icu Medical, Inc. Infusion pump
US11278671B2 (en) 2019-12-04 2022-03-22 Icu Medical, Inc. Infusion pump with safety sequence keypad
CA3189781A1 (fr) 2020-07-21 2022-01-27 Icu Medical, Inc. Dispositifs de transfert de fluide et procedes d'utilisation
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush
US12599716B2 (en) 2021-10-12 2026-04-14 Icu Medical, Inc. Intravenous infusion pump with cassette insertion and pump control user interface
USD1091564S1 (en) 2021-10-13 2025-09-02 Icu Medical, Inc. Display screen or portion thereof with graphical user interface for a medical device
USD1052728S1 (en) 2021-11-12 2024-11-26 Icu Medical, Inc. Medical fluid infusion pump
WO2023108030A1 (fr) 2021-12-10 2023-06-15 Icu Medical, Inc. Systèmes de mélange de fluides médicaux à commande d'écoulement coordonnée

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792548A (en) * 1945-05-28 1957-05-14 Rca Corp Systems and methods of gas analysis
US3019647A (en) * 1957-08-30 1962-02-06 Honeywell Regulator Co Electrical fluid-flow measuring apparatus
US3807228A (en) * 1971-11-02 1974-04-30 Gulf Research Development Co Ultrasonic velocity and mass flowmeter
JPS49106375A (fr) * 1973-02-09 1974-10-08
US4043195A (en) * 1975-03-13 1977-08-23 Hunting Curtis J Digital thermodynamic flow-meter
US4014206A (en) * 1975-03-31 1977-03-29 Akron City Hospital Apparatus and method for monitoring air emboli during extracorporeal circulation
SU533826A1 (ru) * 1975-05-26 1976-10-30 Ленинградский Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета Расходомер жидкости
US4228683A (en) * 1975-06-19 1980-10-21 Bayer Aktiengesellschaft Method of determining liquid flow in a conduit
JPS52139463A (en) * 1976-05-18 1977-11-21 Toshiba Corp Correlated flow meter
US4234844A (en) * 1977-05-02 1980-11-18 Near Field Technology Co. Electromagnetic noncontacting measuring apparatus
US4237730A (en) * 1978-09-15 1980-12-09 Selas Corporation Of America Fluid velocity measurement system
US4255968A (en) * 1979-06-08 1981-03-17 Intek, Inc. Flow indicator
US4458709A (en) * 1980-03-27 1984-07-10 Binks Manufacturing Company Method and apparatus for measuring and controlling fluid flow rates
US4483200A (en) * 1981-01-19 1984-11-20 Anima Corporation Thermal pulse flowmeter
US4384578A (en) * 1981-04-16 1983-05-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Bio-medical flow sensor
US4576182A (en) * 1981-04-23 1986-03-18 University Of Utah Method and apparatus for measuring liquid flow
US4491024A (en) * 1981-07-06 1985-01-01 The Dow Chemical Company Method for metering sub-10 cc/minute liquid flow
US4628743A (en) * 1981-07-06 1986-12-16 The Dow Chemical Company Apparatus and method for metering sub-10 cc/minute liquid flow
US4532811A (en) * 1981-07-06 1985-08-06 The Dow Chemical Company Apparatus for metering sub-10 cc/minute liquid flow
US4509974A (en) * 1982-10-04 1985-04-09 Stauffer Chemical Company S-n-Butyl-N,N-diisopropyl thiocarbamate as a selective herbicide in cotton
US4480483A (en) * 1983-04-06 1984-11-06 Westinghouse Electric Corp. Acousto-optical ultrasonic flowmeter
US4715727A (en) * 1984-07-05 1987-12-29 M/A-Com, Inc. Non-invasive temperature monitor
US4684367A (en) * 1985-04-12 1987-08-04 Meditec Research Associates Ambulatory intravenous delivery system
FR2600776B1 (fr) * 1986-06-24 1988-10-21 Novatome Dispositif de mesure de la vitesse d'un metal liquide en circulation a faible vitesse dans un conduit
GB8710441D0 (en) * 1987-05-01 1987-06-03 Medistron Ltd Medical infusion apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525040A (en) * 1994-03-31 1996-06-11 B&B Financial Planning Inc. Controller for oil wells with a thermal dispersion probe

Also Published As

Publication number Publication date
DE69022449T2 (de) 1996-05-02
EP0386670A2 (fr) 1990-09-12
EP0386670B1 (fr) 1995-09-20
EP0386670A3 (fr) 1992-03-18
JPH0781894B2 (ja) 1995-09-06
JPH0333620A (ja) 1991-02-13
US4938079A (en) 1990-07-03
DE69022449D1 (de) 1995-10-26
CA2011439C (fr) 1997-07-01

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