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FR2412058A1 - Debitmetre - Google Patents

Debitmetre

Info

Publication number
FR2412058A1
FR2412058A1 FR7835320A FR7835320A FR2412058A1 FR 2412058 A1 FR2412058 A1 FR 2412058A1 FR 7835320 A FR7835320 A FR 7835320A FR 7835320 A FR7835320 A FR 7835320A FR 2412058 A1 FR2412058 A1 FR 2412058A1
Authority
FR
France
Prior art keywords
flow
flow meter
flowmeter
flows
measuring
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
FR7835320A
Other languages
English (en)
Other versions
FR2412058B1 (fr
Inventor
Per-Olof Grande
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.)
GRANDE PER OLOF
Original Assignee
GRANDE PER OLOF
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 GRANDE PER OLOF filed Critical GRANDE PER OLOF
Publication of FR2412058A1 publication Critical patent/FR2412058A1/fr
Application granted granted Critical
Publication of FR2412058B1 publication Critical patent/FR2412058B1/fr
Granted 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
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)

Abstract

LA PRESENTE INVENTION CONCERNE UN DEBITMETRE POUVANT SERVIR ESSENTIELLEMENT A LA MESURE DE FAIBLES DEBITS, DE SANG PAR EXEMPLE, L'ECOULEMENT POUVANT ETRE PULSE. SELON L'INVENTION, CE DEBITMETRE EST CONSTITUE DE TROIS PARTIES I, II ET III PRESENTANT DES RESISTANCES A L'ECOULEMENT ET AYANT DES MODULES D'ELASTICITE DONT LES GRANDEURS SONT CHOISIES DE MANIERE A CE QUE LES PRESSIONS REGNANT DANS LES DIFFERENTES PARTIES SONT COMMUNIQUEES A UN MANOMETRE DIFFERENTIEL SANS QU'IL EN RESULTE UN DEPHASAGE, QUELLE QUE SOIT LA FREQUENCE DU FLUX PULSE. LE DEBITMETRE SELON L'INVENTION PEUT SERVIR A LA MESURE DE FAIBLES DEBITS DE LIQUIDES, ET NOTAMMENT A LA MESURE DE FLUX PULSES.
FR7835320A 1977-12-16 1978-12-15 Debitmetre Granted FR2412058A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7714338A SE421349B (sv) 1977-12-16 1977-12-16 Flodesmetare for registrering av verkligt forlopp hos pulserade vetskefloden

Publications (2)

Publication Number Publication Date
FR2412058A1 true FR2412058A1 (fr) 1979-07-13
FR2412058B1 FR2412058B1 (fr) 1982-09-03

Family

ID=20333222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7835320A Granted FR2412058A1 (fr) 1977-12-16 1978-12-15 Debitmetre

Country Status (7)

Country Link
US (1) US4240294A (fr)
JP (1) JPS5499671A (fr)
CA (1) CA1122436A (fr)
DE (1) DE2854056A1 (fr)
FR (1) FR2412058A1 (fr)
GB (1) GB2011626B (fr)
SE (1) SE421349B (fr)

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EP0061864B1 (fr) * 1981-03-24 1986-01-29 PENNY & GILES TRANSDUCERS LIMITED Systèmes de détection de vitesse de l'air
US4613325A (en) * 1982-07-19 1986-09-23 Abrams Lawrence M Flow rate sensing device
US4873989A (en) * 1984-03-08 1989-10-17 Optical Technologies, Inc. Fluid flow sensing apparatus for in vivo and industrial applications employing novel optical fiber pressure sensors
US5178153A (en) * 1984-03-08 1993-01-12 Einzig Robert E Fluid flow sensing apparatus for in vivo and industrial applications employing novel differential optical fiber pressure sensors
US4779626A (en) * 1986-09-09 1988-10-25 Colin Electronics Co., Ltd. Method and apparatus for compensating for transducer position in blood pressure monitoring system
DE8804698U1 (de) * 1988-04-09 1988-06-01 Labionics Ag, Niederurnen Durchflußmeßvorrichtung für Fluide
DE4308313A1 (de) * 1993-03-16 1994-09-22 Werner Haunold Vorrichtung zur Bestimmung der Durchflußrate eines fluiden Mediums nach dem Differenzdruckprinzip
US5613479A (en) * 1995-12-08 1997-03-25 Ford Motor Company Pressure feedback exhaust gas recirculation system
US6826966B1 (en) * 2000-08-09 2004-12-07 Honeywell International Inc. Flow sensor package
US6546812B2 (en) 2001-05-11 2003-04-15 Gary W. Lewis Venturi flowmeter for use in an exhaust sampling apparatus
WO2003034916A2 (fr) * 2001-08-17 2003-05-01 Russell Ted W Procedes, appareil et articles manufactures pour mesure et surveillance non effractives du debit sanguin peripherique, de la perfusion, de la puissance du coeur, de la tension biophysique et de l'etat cardio-vasculaire
US7121139B2 (en) * 2004-11-12 2006-10-17 Mks Instruments, Inc. Thermal mass flow rate sensor having fixed bypass ratio
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
US9026370B2 (en) 2007-12-18 2015-05-05 Hospira, Inc. User interface improvements for medical devices
DE202008005729U1 (de) * 2008-04-24 2009-09-03 systec Controls Meß- und Regeltechnik GmbH Durchflussmesser
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
JP5209524B2 (ja) * 2009-02-05 2013-06-12 サーパス工業株式会社 流量計および流量コントローラ
JP5220642B2 (ja) * 2009-02-05 2013-06-26 サーパス工業株式会社 差圧式流量計および流量コントローラ
US20100280486A1 (en) * 2009-04-29 2010-11-04 Hospira, Inc. System and method for delivering and monitoring medication
EP2745204A4 (fr) 2011-08-19 2015-01-07 Hospira Inc Systèmes et procédés pour une interface graphique comprenant une représentation graphique de données médicales
WO2013090709A1 (fr) 2011-12-16 2013-06-20 Hospira, Inc. Système permettant de surveiller et d'administrer un médicament à un patient et méthode l'utilisant pour réduire les risques associés à une thérapie automatisée
WO2013148798A1 (fr) 2012-03-30 2013-10-03 Hospira, Inc. Système de détection d'air et procédé de détection d'air dans une pompe d'un système de perfusion
CA2880156C (fr) 2012-07-31 2020-10-13 Hospira, Inc. Systeme de soins de patients pour medication critique
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
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
EP3003441B1 (fr) 2013-05-29 2020-12-02 ICU Medical, 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
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
WO2015184366A1 (fr) 2014-05-29 2015-12-03 Hospira, Inc. Système et pompe de perfusion à rattrapage de débit d'administration réglable en boucle fermée
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
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
AU2016267763B2 (en) 2015-05-26 2021-07-08 Icu Medical, Inc. Disposable infusion fluid delivery device for programmable large volume drug delivery
EP4085944A1 (fr) 2016-05-13 2022-11-09 ICU Medical, Inc. Système de pompe à perfusion avec rinçage automatique de la ligne commune
US11324888B2 (en) 2016-06-10 2022-05-10 Icu Medical, Inc. Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion
US10935407B2 (en) 2017-07-25 2021-03-02 Ecolab Usa Inc. Fluid flow meter with viscosity correction
US10260923B2 (en) 2017-07-25 2019-04-16 Ecolab Usa Inc. Fluid flow meter with normalized output
US10126152B1 (en) 2017-07-25 2018-11-13 Ecolab Usa Inc. Fluid flow meter with linearization
US10089055B1 (en) 2017-12-27 2018-10-02 Icu Medical, Inc. Synchronized display of screen content on networked devices
DE102018109563A1 (de) * 2018-04-20 2019-10-24 Fresenius Medical Care Deutschland Gmbh Druckmessleitung und Verfahren zum Überwachen derselben mit geeigneten Einrichtungen und Vorrichtungen
US11590336B2 (en) * 2019-03-05 2023-02-28 Tc1 Llc Systems and methods for evaluating blood behavior when flowing through implantable medical devices
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
WO2022020184A1 (fr) 2020-07-21 2022-01-27 Icu Medical, Inc. Dispositifs de transfert de fluide et procédés d'utilisation
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush
USD1052728S1 (en) 2021-11-12 2024-11-26 Icu Medical, Inc. Medical fluid infusion pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994166A (en) * 1975-11-10 1976-11-30 Warren Automatic Tool Co. Apparatus for eliminating differential pressure surges

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3232104A (en) * 1963-06-24 1966-02-01 Flotron Inc Mass flowmeter
JPS5078929A (fr) * 1973-11-17 1975-06-27
US4096746A (en) * 1977-02-25 1978-06-27 The Perkin-Elmer Corporation Flow controller-flow sensor assembly for gas chromatographs and the like

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994166A (en) * 1975-11-10 1976-11-30 Warren Automatic Tool Co. Apparatus for eliminating differential pressure surges

Also Published As

Publication number Publication date
GB2011626B (en) 1982-05-26
US4240294A (en) 1980-12-23
DE2854056A1 (de) 1979-06-28
SE421349B (sv) 1981-12-14
SE7714338L (sv) 1979-06-17
CA1122436A (fr) 1982-04-27
JPS5499671A (en) 1979-08-06
GB2011626A (en) 1979-07-11
FR2412058B1 (fr) 1982-09-03

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