ATE210475T1 - Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern - Google Patents

Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern

Info

Publication number
ATE210475T1
ATE210475T1 AT95917087T AT95917087T ATE210475T1 AT E210475 T1 ATE210475 T1 AT E210475T1 AT 95917087 T AT95917087 T AT 95917087T AT 95917087 T AT95917087 T AT 95917087T AT E210475 T1 ATE210475 T1 AT E210475T1
Authority
AT
Austria
Prior art keywords
liquid
pump
gas
bloodless
measurement
Prior art date
Application number
AT95917087T
Other languages
English (en)
Inventor
Warren J Packard
Kenneth E Pawlak
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 ATE210475T1 publication Critical patent/ATE210475T1/de

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
    • 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
    • A61M5/16886—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 for measuring fluid flow rate, i.e. flowmeters
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Reciprocating Pumps (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Measurement Of Radiation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
AT95917087T 1994-05-19 1995-04-21 Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern ATE210475T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/245,781 US5421208A (en) 1994-05-19 1994-05-19 Instantaneous volume measurement system and method for non-invasively measuring liquid parameters
PCT/US1995/004874 WO1995032014A1 (en) 1994-05-19 1995-04-21 Instantaneous volume measurement system and method for non-invasively measuring liquid parameters

Publications (1)

Publication Number Publication Date
ATE210475T1 true ATE210475T1 (de) 2001-12-15

Family

ID=22928047

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95917087T ATE210475T1 (de) 1994-05-19 1995-04-21 Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern

Country Status (13)

Country Link
US (1) US5421208A (de)
EP (1) EP0708666B1 (de)
JP (2) JPH09500813A (de)
AT (1) ATE210475T1 (de)
BR (1) BR9506252A (de)
CA (1) CA2165422A1 (de)
DE (1) DE69524538T2 (de)
DK (1) DK0708666T3 (de)
ES (1) ES2169757T3 (de)
MX (1) MX9600252A (de)
PT (1) PT708666E (de)
TW (1) TW312618B (de)
WO (1) WO1995032014A1 (de)

Families Citing this family (117)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497664A (en) * 1994-11-14 1996-03-12 Jorritsma; Johannes N. Method and apparatus for calculating flow rates through a pumping station
TW317336U (en) * 1996-11-29 1997-10-01 United Microelectronics Corp Pump discharge monitoring device
DE19819686B4 (de) * 1998-05-02 2007-03-08 Sms Demag Ag Verfahren und Vorrichtung zur Schmiermittelentsorgung aus einem Gleitlager
US6041801A (en) * 1998-07-01 2000-03-28 Deka Products Limited Partnership System and method for measuring when fluid has stopped flowing within a line
US6497676B1 (en) 2000-02-10 2002-12-24 Baxter International Method and apparatus for monitoring and controlling peritoneal dialysis therapy
US7175606B2 (en) 2002-05-24 2007-02-13 Baxter International Inc. Disposable medical fluid unit having rigid frame
US7153286B2 (en) 2002-05-24 2006-12-26 Baxter International Inc. Automated dialysis system
DE10224750A1 (de) 2002-06-04 2003-12-24 Fresenius Medical Care De Gmbh Vorrichtung zur Behandlung einer medizinischen Flüssigkeit
US7238164B2 (en) 2002-07-19 2007-07-03 Baxter International Inc. Systems, methods and apparatuses for pumping cassette-based therapies
ATE509645T1 (de) 2002-07-19 2011-06-15 Baxter Int Vorrichtungen und verfahren zur peritonealdialyse
US7008403B1 (en) * 2002-07-19 2006-03-07 Cognitive Ventures Corporation Infusion pump and method for use
US6882960B2 (en) * 2003-02-21 2005-04-19 J. Davis Miller System and method for power pump performance monitoring and analysis
US6952963B2 (en) * 2003-05-23 2005-10-11 Gambro Dasco S.P.A. Method for detecting a liquid level in a container in a circuit and a dialysis machine for actuating the method
EP1680155B2 (de) 2003-10-28 2015-11-04 Baxter International Inc. Dialysemaschine mit verbesserter Integritätsprüfung
US8029454B2 (en) 2003-11-05 2011-10-04 Baxter International Inc. High convection home hemodialysis/hemofiltration and sorbent system
US7658598B2 (en) * 2005-10-24 2010-02-09 Proportionair, Incorporated Method and control system for a pump
US20060195064A1 (en) * 2005-02-28 2006-08-31 Fresenius Medical Care Holdings, Inc. Portable apparatus for peritoneal dialysis therapy
US7935074B2 (en) 2005-02-28 2011-05-03 Fresenius Medical Care Holdings, Inc. Cassette system for peritoneal dialysis machine
US7581449B2 (en) * 2005-05-16 2009-09-01 Wrds, Inc. System and method for power pump performance monitoring and analysis
US8197231B2 (en) 2005-07-13 2012-06-12 Purity Solutions Llc Diaphragm pump and related methods
JP4668027B2 (ja) * 2005-10-17 2011-04-13 シーケーディ株式会社 薬液供給システム
US20110028937A1 (en) * 2006-02-27 2011-02-03 Fluidnet Corporation Automated fluid flow control system
US10010686B2 (en) 2006-02-27 2018-07-03 Ivenix, Inc. Fluid control system and disposable assembly
EP2013793A4 (de) * 2006-02-27 2010-01-06 Fluidnet Corp Volumenmessung unter verwendung von gasgesetzen
US7252014B1 (en) * 2006-04-17 2007-08-07 Mocon, Inc. Instrument and method for measuring the volume of a hermetically sealed variable volume and pressure conforming container
KR101318075B1 (ko) * 2006-06-22 2013-10-14 엘지디스플레이 주식회사 포토레지스터 펌프 및 그의 구동 방법
US8870811B2 (en) * 2006-08-31 2014-10-28 Fresenius Medical Care Holdings, Inc. Peritoneal dialysis systems and related methods
US8926550B2 (en) * 2006-08-31 2015-01-06 Fresenius Medical Care Holdings, Inc. Data communication system for peritoneal dialysis machine
MX345516B (es) * 2007-05-29 2017-02-02 Fresenius Medical Care Holdings Inc Soluciones, dializados y metodos relacionados.
US8512553B2 (en) 2007-07-05 2013-08-20 Baxter International Inc. Extracorporeal dialysis ready peritoneal dialysis machine
US7981082B2 (en) * 2007-08-21 2011-07-19 Hospira, Inc. System and method for reducing air bubbles in a fluid delivery line
US7892197B2 (en) * 2007-09-19 2011-02-22 Fresenius Medical Care Holdings, Inc. Automatic prime of an extracorporeal blood circuit
US8449500B2 (en) * 2007-11-16 2013-05-28 Baxter International Inc. Flow pulsatility dampening devices for closed-loop controlled infusion systems
US9026370B2 (en) 2007-12-18 2015-05-05 Hospira, Inc. User interface improvements for medical devices
US20090191067A1 (en) * 2008-01-25 2009-07-30 Phluid,Inc. Two chamber pumps and related methods
US8986253B2 (en) 2008-01-25 2015-03-24 Tandem Diabetes Care, Inc. Two chamber pumps and related methods
US9514283B2 (en) 2008-07-09 2016-12-06 Baxter International Inc. Dialysis system having inventory management including online dextrose mixing
US8062513B2 (en) 2008-07-09 2011-11-22 Baxter International Inc. Dialysis system and machine having therapy prescription recall
US10265454B2 (en) 2008-07-25 2019-04-23 Baxter International Inc. Dialysis system with flow regulation device
US8056582B2 (en) * 2008-08-08 2011-11-15 Tandem Diabetes Care, Inc. System of stepped flow rate regulation using compressible members
US8408421B2 (en) 2008-09-16 2013-04-02 Tandem Diabetes Care, Inc. Flow regulating stopcocks and related methods
CA2737461A1 (en) 2008-09-19 2010-03-25 Tandem Diabetes Care, Inc. Solute concentration measurement device and related methods
US8192401B2 (en) 2009-03-20 2012-06-05 Fresenius Medical Care Holdings, Inc. Medical fluid pump systems and related components and methods
WO2010129806A2 (en) * 2009-05-06 2010-11-11 Ballista, Inc. Volume gauge
JP2012533357A (ja) 2009-07-15 2012-12-27 フレゼニウス メディカル ケア ホールディングス インコーポレーテッド 医療用流体カセットおよびその関連システムおよび方法
US20110152770A1 (en) 2009-07-30 2011-06-23 Tandem Diabetes Care, Inc. Infusion pump system with disposable cartridge having pressure venting and pressure feedback
US8720913B2 (en) * 2009-08-11 2014-05-13 Fresenius Medical Care Holdings, Inc. Portable peritoneal dialysis carts and related systems
US8753515B2 (en) 2009-12-05 2014-06-17 Home Dialysis Plus, Ltd. Dialysis system with ultrafiltration control
US8366667B2 (en) 2010-02-11 2013-02-05 Baxter International Inc. Flow pulsatility dampening devices
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
JP5779324B2 (ja) * 2010-07-06 2015-09-16 Ckd株式会社 薬液供給システム
DE102010053973A1 (de) 2010-12-09 2012-06-14 Fresenius Medical Care Deutschland Gmbh Medizinisches Gerät mit einer Heizung
US9694125B2 (en) 2010-12-20 2017-07-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
US9624915B2 (en) 2011-03-09 2017-04-18 Fresenius Medical Care Holdings, Inc. Medical fluid delivery sets and related systems and methods
JP6062920B2 (ja) 2011-04-21 2017-01-18 フレセニウス メディカル ケア ホールディングス インコーポレーテッド 医療流体ポンピング・システムならびに関係するデバイスおよび方法
US9240002B2 (en) 2011-08-19 2016-01-19 Hospira, Inc. Systems and methods for a graphical interface including a graphical representation of medical data
JP2014533133A (ja) 2011-10-07 2014-12-11 ホーム・ダイアリシス・プラス・リミテッドＨｏｍｅ ＤｉａｌｙｓｉｓＰｌｕｓ， Ｌｔｄ． 透析システムのための熱交換流体の精製
US9186449B2 (en) 2011-11-01 2015-11-17 Fresenius Medical Care Holdings, Inc. Dialysis machine support assemblies and related systems and methods
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
ES2741725T3 (es) 2012-03-30 2020-02-12 Icu Medical Inc Sistema de detección de aire y método para detectar aire en una bomba de un sistema de infusión
US9180242B2 (en) 2012-05-17 2015-11-10 Tandem Diabetes Care, Inc. Methods and devices for multiple fluid transfer
US9555186B2 (en) 2012-06-05 2017-01-31 Tandem Diabetes Care, Inc. Infusion pump system with disposable cartridge having pressure venting and pressure feedback
US9610392B2 (en) 2012-06-08 2017-04-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
US9500188B2 (en) 2012-06-11 2016-11-22 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
EP2879733B1 (de) 2012-07-31 2019-06-05 ICU Medical, Inc. Patientenbehandlungssystem für kritische medikamente
US9579443B2 (en) * 2013-01-10 2017-02-28 Fresenius Medical Care Holdings, Inc. Peritoneal dialysis systems and related devices and methods
CN110115788B (zh) 2013-02-05 2022-03-18 艾韦尼克斯股份有限公司 用于流体输送的方法及流体输送系统
US10444770B2 (en) 2013-02-05 2019-10-15 Ivenix, Inc. Fluid flow measurement and control
US11285262B2 (en) 2013-02-05 2022-03-29 Ivenix, Inc. Fluid flow measurement and control
US9561323B2 (en) 2013-03-14 2017-02-07 Fresenius Medical Care Holdings, Inc. Medical fluid cassette leak detection methods and devices
US9440017B2 (en) 2013-03-14 2016-09-13 Baxter International Inc. System and method for performing alternative and sequential blood and peritoneal dialysis modalities
US9173998B2 (en) 2013-03-14 2015-11-03 Tandem Diabetes Care, Inc. System and method for detecting occlusions in an infusion pump
US9566377B2 (en) 2013-03-15 2017-02-14 Fresenius Medical Care Holdings, Inc. Medical fluid sensing and concentration determination in a fluid cartridge with multiple passageways, using a radio frequency device situated within a magnetic field
US9597439B2 (en) 2013-03-15 2017-03-21 Fresenius Medical Care Holdings, Inc. Medical fluid sensing and concentration determination using radio frequency energy and a magnetic field
US9713664B2 (en) 2013-03-15 2017-07-25 Fresenius Medical Care Holdings, Inc. Nuclear magnetic resonance module for a dialysis machine
US9772386B2 (en) 2013-03-15 2017-09-26 Fresenius Medical Care Holdings, Inc. Dialysis system with sample concentration determination device using magnet and radio frequency coil assemblies
US9433718B2 (en) 2013-03-15 2016-09-06 Fresenius Medical Care Holdings, Inc. Medical fluid system including radio frequency (RF) device within a magnetic assembly, and fluid cartridge body with one of multiple passageways disposed within the RF device, and specially configured cartridge gap accepting a portion of said RF device
AU2014268355B2 (en) 2013-05-24 2018-06-14 Icu Medical, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
EP3003442B1 (de) 2013-05-29 2020-12-30 ICU Medical, Inc. Infusionssystem und verfahren zur verwendung zur verhinderung der übersättigung eines analog-digital-wandlers
US10166328B2 (en) 2013-05-29 2019-01-01 Icu Medical, Inc. Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system
US10117985B2 (en) 2013-08-21 2018-11-06 Fresenius Medical Care Holdings, Inc. Determining a volume of medical fluid pumped into or out of a medical fluid cassette
JP6712221B2 (ja) * 2013-11-15 2020-06-17 アイヴェニクス インクIvenix, Inc. 流体制御システムおよび使い捨て可能なアセンブリ
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
US10286135B2 (en) 2014-03-28 2019-05-14 Fresenius Medical Care Holdings, Inc. Measuring conductivity of a medical fluid
US20150314055A1 (en) 2014-04-29 2015-11-05 Michael Edward HOGARD Dialysis system and methods
EP3590564B1 (de) 2014-05-15 2025-05-14 Xenios AG Medizintechnische messvorrichtung und mess-verfahren
CA2947045C (en) 2014-05-29 2022-10-18 Hospira, Inc. Infusion system and pump with configurable closed loop delivery rate catch-up
US11344668B2 (en) 2014-12-19 2022-05-31 Icu Medical, Inc. Infusion system with concurrent TPN/insulin infusion
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
JP2016182256A (ja) * 2015-03-26 2016-10-20 テルモ株式会社 腹膜透析装置およびその制御方法
JP6622144B2 (ja) * 2015-06-11 2019-12-18 Ckd株式会社 液体供給システム、及び液体供給システムの制御方法
JP5989881B2 (ja) * 2015-09-28 2016-09-07 Ckd株式会社 薬液供給システム
EP3159026A1 (de) 2015-10-23 2017-04-26 novalung GmbH Zwischenelement für eine medizintechnische extrakorporale fluidleitung, medizintechnisches extrakorporales fluidsystem und verfahren zum messen eines in einem medizintechnischen extrakorporalen fluidsystem geführten fluid des menschlichen oder tierischen körpers enthaltenen gases
JP6626322B2 (ja) * 2015-11-27 2019-12-25 Ckd株式会社 気体圧駆動機器、及びその制御方法
EP4085944A1 (de) 2016-05-13 2022-11-09 ICU Medical, Inc. Infusionspumpensystem mit gemeinsamer leitung zur automatischen spülung
WO2017214441A1 (en) 2016-06-10 2017-12-14 Icu Medical, Inc. Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion
JP7025408B2 (ja) 2016-08-19 2022-02-24 アウトセット・メディカル・インコーポレイテッド 腹膜透析システム及び方法
WO2018083062A1 (en) * 2016-11-01 2018-05-11 Sanofi-Aventis Deutschland Gmbh Volume measuring arrangement
US11566614B2 (en) 2017-03-24 2023-01-31 Fresenius Kabi Usa, Llc Fluid flow control and delivery via multiple fluid pumps
US11542936B2 (en) 2017-03-24 2023-01-03 Fresenius Kabi Usa, Llc Fluid flow control and delivery via multiple fluid pumps
US11135345B2 (en) 2017-05-10 2021-10-05 Fresenius Medical Care Holdings, Inc. On demand dialysate mixing using concentrates
US11179516B2 (en) 2017-06-22 2021-11-23 Baxter International Inc. Systems and methods for incorporating patient pressure into medical fluid delivery
US10089055B1 (en) 2017-12-27 2018-10-02 Icu Medical, Inc. Synchronized display of screen content on networked devices
ES3028957T3 (en) 2018-08-23 2025-06-20 Outset Medical Inc Dialysis system and methods
US11504458B2 (en) 2018-10-17 2022-11-22 Fresenius Medical Care Holdings, Inc. Ultrasonic authentication for dialysis
CA3133332A1 (en) 2019-04-30 2020-11-05 Dean Hu Dialysis system and methods
CN114127419B (zh) * 2019-07-12 2024-04-26 艾本德欧洲股份公司 用于控制无传感器的隔膜泵的控制装置和方法
MX2022000818A (es) 2019-08-09 2022-05-11 Simergent Llc Dispositivo para diálisis peritoneal automatizada, sistema y método para personalizar soluciones dializantes.
US11278671B2 (en) 2019-12-04 2022-03-22 Icu Medical, Inc. Infusion pump with safety sequence keypad
CA3189781A1 (en) 2020-07-21 2022-01-27 Icu Medical, Inc. Fluid transfer devices and methods of use
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush
USD1091564S1 (en) 2021-10-13 2025-09-02 Icu Medical, Inc. Display screen or portion thereof with graphical user interface for a medical device
WO2023108030A1 (en) 2021-12-10 2023-06-15 Icu Medical, Inc. Medical fluid compounding systems with coordinated flow control
WO2023122423A1 (en) * 2021-12-21 2023-06-29 Baxter International Inc. Pneumatically driven peritoneal dialysis machine
CN116025853A (zh) * 2022-12-02 2023-04-28 天信仪表集团有限公司 燃气泄露的检测方法、检测装置及检测系统
US20240335607A1 (en) * 2023-04-05 2024-10-10 Fresenius Kabi Usa, Llc Pump controller and control method with temperature integration and/or compliance determination
CN119554217B (zh) * 2025-02-07 2025-05-13 龙口利佳电气有限公司 一种用于隔膜增压泵的控制系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889780A (en) * 1953-03-09 1959-06-09 Gen Electric Fluid flow measurement and control apparatus
US2827853A (en) * 1954-04-15 1958-03-25 Kontak Mfg Company Ltd Pumps for metering liquids
US3344667A (en) * 1964-10-09 1967-10-03 Gen Motors Corp Flow monitor
US3657925A (en) * 1970-06-01 1972-04-25 Int Rectifier Corp Positive displacement flowmeter
US4778451A (en) * 1986-03-04 1988-10-18 Kamen Dean L Flow control system using boyle's law
US4976162A (en) * 1987-09-03 1990-12-11 Kamen Dean L Enhanced pressure measurement flow control system
US4826482A (en) * 1986-03-04 1989-05-02 Kamen Dean L Enhanced pressure measurement flow control system
US5027661A (en) * 1989-12-18 1991-07-02 Master Flo Technology Inc. Liquid flow metering
US5115682A (en) * 1990-05-21 1992-05-26 Feiler Ernest M Coronary artery graft flow-meter
US5474683A (en) * 1993-03-03 1995-12-12 Deka Products Limited Partnership Peritoneal dialysis systems and methods employing pneumatic pressure and temperature-corrected liquid volume measurements

Also Published As

Publication number Publication date
DE69524538D1 (de) 2002-01-24
ES2169757T3 (es) 2002-07-16
MX9600252A (es) 1998-11-30
DE69524538T2 (de) 2002-08-01
EP0708666B1 (de) 2001-12-12
CA2165422A1 (en) 1995-11-20
DK0708666T3 (da) 2002-03-18
EP0708666A1 (de) 1996-05-01
US5421208A (en) 1995-06-06
BR9506252A (pt) 1996-04-16
JP2003293960A (ja) 2003-10-15
TW312618B (de) 1997-08-11
JPH09500813A (ja) 1997-01-28
WO1995032014A1 (en) 1995-11-30
PT708666E (pt) 2002-05-31

Similar Documents

Publication Publication Date Title
ATE210475T1 (de) Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern
US4790194A (en) Flow measurement device
ATE287738T1 (de) Methode und vorrichtung zur überwachung der flussgeschwindigkeit einer infusionslösung
WO2001028419B1 (en) Method and apparatus to measure blood flow by an introduced volume change
JPS5486371A (en) Method of measuring fluid density and its measuring device
NO994468L (no) Måling av filterlevetid
CA2090162A1 (en) Method and apparatus for measuring gas flow using boyle's law
KR920701775A (ko) 컨덴서의 전열, 즉 효율을 감시하는 방법 및 장치
ATE156914T1 (de) Vorrichtung und verfahren zum messen der neigung zur thrombusbildung
DE50200503D1 (de) Vorrichtung zum messen der atemfrequenz
US5195995A (en) Control vacuum to measure gas flow
WO2004011886A3 (en) A method and apparatus for determining flow rate of a fluid
NO922039D0 (no) Apparat for maaling av stroemning
DE60234317D1 (de) Vorrichtung zum messen eines druckes zwischen zwei punkte einer flüssigkeitsströmung
ATE88568T1 (de) Verfahren zur ueberwachung des gasstromes in einem gasanalysator und zur korrektur von druck- und durchflussbedingten stoereinfluessen auf dessen messsignal.
JPS5679230A (en) Leakage detecting method for pipeline
SU1399666A1 (ru) Устройство дл оценки кольматации горных пород
FR2384238A1 (fr) Circuit electronique pour le traitement de signaux de capteurs debitmetriques
RU2248225C2 (ru) Дозиметр газообразного ксенона для наркозного аппарата
JPH0143246B2 (de)
SE9603949L (sv) Vätskenivåmätare
SU1401282A1 (ru) Способ измерени расхода жидкости
SU1325311A1 (ru) Способ определени рассто ни до места негерметичности в длинномерных издели х
SU1190223A1 (ru) Способ определени погрешности пневмометрических зондов при измерении пульсирующего давлени
FR2406809A1 (fr) Dispositif de mesure de debit a emission de tourbillons

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee