DE69229832D1 - Verfahren und vorrichtung zur messung der flüssigkeitsströmung - Google Patents

Verfahren und vorrichtung zur messung der flüssigkeitsströmung

Info

Publication number
DE69229832D1
DE69229832D1 DE69229832T DE69229832T DE69229832D1 DE 69229832 D1 DE69229832 D1 DE 69229832D1 DE 69229832 T DE69229832 T DE 69229832T DE 69229832 T DE69229832 T DE 69229832T DE 69229832 D1 DE69229832 D1 DE 69229832D1
Authority
DE
Germany
Prior art keywords
measuring
liquid flow
liquid
flow
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.)
Expired - Fee Related
Application number
DE69229832T
Other languages
English (en)
Other versions
DE69229832T2 (de
Inventor
Bernardus Roelofs
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.)
ROELOFS OCTROOIEN EN INVESTERI
Original Assignee
ROELOFS OCTROOIEN EN INVESTERI
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 ROELOFS OCTROOIEN EN INVESTERI filed Critical ROELOFS OCTROOIEN EN INVESTERI
Application granted granted Critical
Publication of DE69229832D1 publication Critical patent/DE69229832D1/de
Publication of DE69229832T2 publication Critical patent/DE69229832T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00Control of flow
    • G05D7/06Control of flow characterised by the use of electric means
    • G05D7/0617Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0676Control 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16886Means 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 for measuring fluid flow rate, i.e. flowmeters
    • A61M5/1689Drip counters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F3/00Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3306Optical measuring means

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Automation & Control Theory (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Volume Flow (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69229832T 1991-10-30 1992-10-28 Verfahren und vorrichtung zur messung der flüssigkeitsströmung Expired - Fee Related DE69229832T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9101825A NL9101825A (nl) 1991-10-30 1991-10-30 Werkwijze voor nauwkeurige uitstroomdebiet bepaling van vloeistoffen en op een inrichting voor het uitvoeren van die werkwijze.
PCT/NL1992/000193 WO1993009407A1 (en) 1991-10-30 1992-10-28 Method for liquid flow measuring and apparatus to practise this method

Publications (2)

Publication Number Publication Date
DE69229832D1 true DE69229832D1 (de) 1999-09-23
DE69229832T2 DE69229832T2 (de) 2000-02-10

Family

ID=19859869

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229832T Expired - Fee Related DE69229832T2 (de) 1991-10-30 1992-10-28 Verfahren und vorrichtung zur messung der flüssigkeitsströmung

Country Status (6)

Country Link
US (1) US5588963A (de)
EP (1) EP0610418B1 (de)
JP (1) JP3110458B2 (de)
DE (1) DE69229832T2 (de)
NL (1) NL9101825A (de)
WO (1) WO1993009407A1 (de)

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DE4330412A1 (de) * 1993-09-08 1995-03-09 Boehringer Mannheim Gmbh Verfahren und Vorrichtung zur Dosierung von Flüssigkeiten
US6112588A (en) * 1996-10-25 2000-09-05 Speedline Technologies, Inc. Method and apparatus for measuring the size of drops of a viscous material dispensed from a dispensing system
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US6213354B1 (en) 1999-12-29 2001-04-10 Elite Engineering Corporation System and method for dispensing fluid droplets of known volume and generating very low fluid flow rates
ATE328267T1 (de) * 2000-03-23 2006-06-15 Petrotest Instr Gmbh & Co Kg Verfahren und vorrichtung zur füllstandsbestimmung für die ermittlung des siedeverlaufes von mineralölerzeugnissen
WO2001084091A1 (de) * 2000-04-28 2001-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flüssigkeitsreservoir mit füllstandsmessung und dosiersystem, entnahmesystem sowie kombiniertes dosier/entnahmesystem
WO2001089713A1 (en) * 2000-05-25 2001-11-29 Burleigh Automation, Inc. Adhesive dispensing and vision system for an automatic assembly system
US7500959B2 (en) * 2000-10-05 2009-03-10 Novo Nordisk A/S Medication delivery system with improved dose accuracy
NL1018148C2 (nl) 2001-05-23 2002-11-26 Roelofs Octrooien En Investeri Inrichting voor het meten en het regelen van een vloeistofstroom.
US6592126B2 (en) * 2001-07-20 2003-07-15 Flowserve Management Company Mechanical seal leak detector
US6599282B2 (en) * 2001-09-05 2003-07-29 Zeev Burko Intravenous set flow volumetric measurement device
DE10162055B4 (de) * 2001-12-17 2007-04-12 Institut für Automation und Kommunikation eV Magdeburg Vorrichtung zur Bestimmung des Volumens, der Oberflächenspannung und der Viskosität von Flüssigkeitstropfen
DE10215270B4 (de) * 2002-04-06 2007-04-19 Robert Bosch Gmbh Verfahren zur Messung eines Meniskusvolumens oder einer Meniskushöhe eines Flüssigkeitströpfchens
JP2004337091A (ja) * 2003-05-16 2004-12-02 Olympus Corp 細胞培養装置
TWI428271B (zh) 2004-06-09 2014-03-01 Smithkline Beecham Corp 生產藥物之裝置及方法
US8101244B2 (en) 2004-06-09 2012-01-24 Smithkline Beecham Corporation Apparatus and method for producing or processing a product or sample
EP1946843A1 (de) 2006-12-21 2008-07-23 Allegro Research Limited Vorrichtung und Verfahren zum Überwachen und Messen von Tröpfchen
JP5372619B2 (ja) * 2009-06-30 2013-12-18 日機装株式会社 ドリップチャンバ液面調整装置及び医療機器
JP5583939B2 (ja) * 2009-09-17 2014-09-03 テルモ株式会社 点滴検出装置、輸液ポンプとその制御方法
TWI420084B (zh) * 2009-12-11 2013-12-21 Primax Electronics Ltd 點滴監測方法以及相關的點滴監測系統
CN102100935B (zh) * 2009-12-21 2013-07-17 致伸科技股份有限公司 点滴监测方法以及相关的点滴监测系统
US9151646B2 (en) 2011-12-21 2015-10-06 Deka Products Limited Partnership System, method, and apparatus for monitoring, regulating, or controlling fluid flow
WO2013095459A1 (en) * 2011-12-21 2013-06-27 Deka Products Limited Partnership System, method, and apparatus for electronic patient care
US20110317004A1 (en) * 2010-06-29 2011-12-29 Kai Tao IV Monitoring by Digital Image Processing
US8531517B2 (en) * 2010-07-15 2013-09-10 Kai Tao IV monitoring by video and image processing
US9128051B2 (en) 2010-10-19 2015-09-08 Baxter International Inc. Optical imaging system for air bubble and empty bag detection in an infusion tube
US8622979B2 (en) 2010-10-19 2014-01-07 Baxter Healthcare S.A. Infusion system using optical imager for controlling flow and method thereof
US9476825B2 (en) 2010-10-19 2016-10-25 Baxter International Inc. Optical imaging system with multiple imaging channel optical sensing
US10723497B2 (en) * 2014-11-03 2020-07-28 Vanrx Pharmasystems Inc. Apparatus and method for monitoring and controlling the filling of a container with a pharmaceutical fluid in an aseptic environment
US10228683B2 (en) 2011-12-21 2019-03-12 Deka Products Limited Partnership System, method, and apparatus for monitoring, regulating, or controlling fluid flow
US10563681B2 (en) 2011-12-21 2020-02-18 Deka Products Limited Partnership System, method, and apparatus for clamping
US10488848B2 (en) 2011-12-21 2019-11-26 Deka Products Limited Partnership System, method, and apparatus for monitoring, regulating, or controlling fluid flow
US9724466B2 (en) 2011-12-21 2017-08-08 Deka Products Limited Partnership Flow meter
US9372486B2 (en) 2011-12-21 2016-06-21 Deka Products Limited Partnership System, method, and apparatus for monitoring, regulating, or controlling fluid flow
US9435455B2 (en) 2011-12-21 2016-09-06 Deka Products Limited Partnership System, method, and apparatus for monitoring, regulating, or controlling fluid flow
US9746094B2 (en) 2011-12-21 2017-08-29 Deka Products Limited Partnership Flow meter having a background pattern with first and second portions
US9746093B2 (en) 2011-12-21 2017-08-29 Deka Products Limited Partnership Flow meter and related system and apparatus
US9576267B2 (en) * 2012-11-26 2017-02-21 Partender, LLC System and method for taking an inventory of containers for liquid
US9759343B2 (en) 2012-12-21 2017-09-12 Deka Products Limited Partnership Flow meter using a dynamic background image
CN103148905A (zh) * 2013-02-03 2013-06-12 浙江大学 基于管道出口液滴图像识别的微流量检测方法
US9234850B2 (en) * 2013-03-14 2016-01-12 Baxter International Inc. Drip chamber with integrated optics
BR112015023438B1 (pt) * 2013-03-15 2022-05-17 Deka Products Limited Partnership Válvula
USD745661S1 (en) 2013-11-06 2015-12-15 Deka Products Limited Partnership Apparatus to control fluid flow through a tube
USD751690S1 (en) 2013-11-06 2016-03-15 Deka Products Limited Partnership Apparatus to control fluid flow through a tube
USD751689S1 (en) 2013-11-06 2016-03-15 Deka Products Limited Partnership Apparatus to control fluid flow through a tube
USD752209S1 (en) 2013-11-06 2016-03-22 Deka Products Limited Partnership Apparatus to control fluid flow through a tube
USD749206S1 (en) 2013-11-06 2016-02-09 Deka Products Limited Partnership Apparatus to control fluid flow through a tube
US9360658B2 (en) 2014-01-31 2016-06-07 Baxter International Inc. Optical imaging assembly and system with optical distortion correction
CN108025135B (zh) * 2015-09-09 2021-07-23 株式会社村田制作所 滴下检测装置
USD905848S1 (en) 2016-01-28 2020-12-22 Deka Products Limited Partnership Apparatus to control fluid flow through a tube
SG10202110658VA (en) 2016-01-28 2021-11-29 Deka Products Lp Apparatus for monitoring, regulating, or controlling fluid flow
USD854145S1 (en) 2016-05-25 2019-07-16 Deka Products Limited Partnership Apparatus to control fluid flow through a tube
US10384001B2 (en) * 2017-01-17 2019-08-20 Nxp B.V. Fluid flow device
JP6829438B2 (ja) * 2017-03-08 2021-02-10 有限会社イグノス 点着量測定システム、点着量測定方法及びプログラム
AT520464B1 (de) * 2017-09-22 2020-03-15 Engel Austria Gmbh Maschinenelement
US10625254B2 (en) 2017-11-22 2020-04-21 Brand Gmbh + Co Kg Method for controlling a pipetting device
US10898640B2 (en) * 2018-07-11 2021-01-26 Flex, Ltd. Visual detection for IV pump tube calibration
CN111257187A (zh) * 2018-11-30 2020-06-09 中国石油天然气集团有限公司 多通道压实土层渗流实验装置及方法
CN111257186A (zh) * 2018-11-30 2020-06-09 中国石油天然气集团有限公司 渗流体积的测量方法及装置
WO2021021596A1 (en) 2019-07-26 2021-02-04 Deka Products Limited Partnership Apparatus for monitoring, regulating, or controlling fluid flow
USD964563S1 (en) 2019-07-26 2022-09-20 Deka Products Limited Partnership Medical flow clamp
CN111595729A (zh) * 2020-06-24 2020-08-28 山东非金属材料研究所 一种流出杯式黏度计检定方法及检定装置
CN111686346A (zh) * 2020-07-22 2020-09-22 镇江市高等专科学校 一种输液过程状态监测装置及监控方法
US11421674B2 (en) * 2020-12-18 2022-08-23 Schneider Electric Systems Usa, Inc. Optical monitoring and control of pumpjack
CN118548951A (zh) * 2024-07-29 2024-08-27 中国测试技术研究院流量研究所 适用于液滴抖动的微流量测量方法及设备

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US4680977A (en) * 1985-03-06 1987-07-21 Ivac Corporation Optical flow sensor
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US4837708A (en) * 1987-07-01 1989-06-06 Maraven, S.A. Process and apparatus for determining flow rate of a flow medium in a flow line
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US5267980A (en) * 1990-08-29 1993-12-07 Random Corporation Optical components for an I.V. flow detector

Also Published As

Publication number Publication date
EP0610418A1 (de) 1994-08-17
US5588963A (en) 1996-12-31
WO1993009407A1 (en) 1993-05-13
DE69229832T2 (de) 2000-02-10
EP0610418B1 (de) 1999-08-18
NL9101825A (nl) 1993-05-17
JPH07500669A (ja) 1995-01-19
JP3110458B2 (ja) 2000-11-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee