IT1044957B - Dispositivo della misura della portata di un liquido in un condotto - Google Patents

Dispositivo della misura della portata di un liquido in un condotto

Info

Publication number
IT1044957B
IT1044957B IT68721/71A IT6872171A IT1044957B IT 1044957 B IT1044957 B IT 1044957B IT 68721/71 A IT68721/71 A IT 68721/71A IT 6872171 A IT6872171 A IT 6872171A IT 1044957 B IT1044957 B IT 1044957B
Authority
IT
Italy
Prior art keywords
duct
measuring
liquid
flow rate
rate
Prior art date
Application number
IT68721/71A
Other languages
English (en)
Original Assignee
Philips Nv
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
Priority claimed from FR7018962A external-priority patent/FR2088168B2/fr
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1044957B publication Critical patent/IT1044957B/it

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physiology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Volume Flow (AREA)
IT68721/71A 1970-05-25 1971-05-22 Dispositivo della misura della portata di un liquido in un condotto IT1044957B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7018962A FR2088168B2 (it) 1965-07-28 1970-05-25

Publications (1)

Publication Number Publication Date
IT1044957B true IT1044957B (it) 1980-04-21

Family

ID=9056045

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68721/71A IT1044957B (it) 1970-05-25 1971-05-22 Dispositivo della misura della portata di un liquido in un condotto

Country Status (7)

Country Link
US (1) US3733899A (it)
BE (1) BE767556R (it)
CA (1) CA932977A (it)
DE (1) DE2123134C3 (it)
IT (1) IT1044957B (it)
NL (1) NL7106949A (it)
SE (1) SE366206B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE363230B (it) * 1973-02-09 1974-01-14 Hoffmann La Roche
JPS6056490B2 (ja) * 1977-02-14 1985-12-10 利夫 渡辺 血流計測器
US4502488A (en) * 1983-01-13 1985-03-05 Allied Corporation Injection system
US4704904A (en) * 1985-12-10 1987-11-10 Morrison-Knudsen Company, Inc. High temperature gas flow meter
DE3714027A1 (de) * 1987-04-27 1988-11-10 Alt Eckhard Katheter und geraet zum anschluss an einen katheter
US4785823A (en) * 1987-07-21 1988-11-22 Robert F. Shaw Methods and apparatus for performing in vivo blood thermodilution procedures
WO1993009404A1 (en) * 1991-11-02 1993-05-13 Jordan Kent Metering Systems Limited Time-of-flight flow measurement with secondary fluid injected as thermal tracer
US6726647B1 (en) * 1998-10-23 2004-04-27 Gambro Ab Method and device for measuring access flow
FR2836831B1 (fr) * 2002-03-07 2004-06-25 Centre Nat Rech Scient Combinaison chimiotherapie et antisens de la dna demethylase
CA2514239C (en) 2003-01-28 2012-03-20 Gambro Lundia Ab An apparatus and method for monitoring a vascular access of a patient
WO2005049113A1 (en) * 2003-11-20 2005-06-02 Gambro Lundia Ab Method, apparatus and software program for measurement of a parameter relating to a heart-lung system of a mammal.
ES2471953T3 (es) * 2003-12-11 2014-06-27 Gambro Lundia Ab Dispositivo de conmutación y aparato para controlar el flujo de un fluido
US7794419B2 (en) * 2005-05-18 2010-09-14 Gambro Lundia Ab Apparatus for controlling blood flow in an extracorporeal circuit
FI20115342A0 (fi) 2011-04-11 2011-04-11 Teknologian Tutkimuskeskus Vtt Oy Menetelmä putkiston kunnon mittaamiseksi ja sekvenssiohjattu näytteenottopumppu

Also Published As

Publication number Publication date
US3733899A (en) 1973-05-22
CA932977A (en) 1973-09-04
DE2123134B2 (de) 1978-05-18
BE767556R (nl) 1971-11-24
SE366206B (it) 1974-04-22
NL7106949A (it) 1971-11-29
DE2123134C3 (de) 1979-03-01
DE2123134A1 (de) 1971-12-09

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