IT983152B - Dispositivo per misurare la portata di liquidi - Google Patents

Dispositivo per misurare la portata di liquidi

Info

Publication number
IT983152B
IT983152B IT23310/72A IT2331072A IT983152B IT 983152 B IT983152 B IT 983152B IT 23310/72 A IT23310/72 A IT 23310/72A IT 2331072 A IT2331072 A IT 2331072A IT 983152 B IT983152 B IT 983152B
Authority
IT
Italy
Prior art keywords
liquids
measure
flow
Prior art date
Application number
IT23310/72A
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
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT983152B publication Critical patent/IT983152B/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
    • G01F1/68—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 thermal effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
    • G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Physiology (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Hematology (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring Volume Flow (AREA)
IT23310/72A 1971-04-21 1972-04-18 Dispositivo per misurare la portata di liquidi IT983152B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7105351.A NL165926C (nl) 1971-04-21 1971-04-21 Inrichting voor het meten van de stroomsnelheid van vloeistoffen.

Publications (1)

Publication Number Publication Date
IT983152B true IT983152B (it) 1974-10-31

Family

ID=19812973

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23310/72A IT983152B (it) 1971-04-21 1972-04-18 Dispositivo per misurare la portata di liquidi

Country Status (10)

Country Link
US (1) US3798967A (it)
JP (1) JPS5844374B1 (it)
AU (1) AU469636B2 (it)
BE (1) BE782339A (it)
CA (1) CA958561A (it)
DE (1) DE2216281C3 (it)
FR (1) FR2133973B1 (it)
GB (1) GB1330618A (it)
IT (1) IT983152B (it)
NL (1) NL165926C (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927567A (en) * 1974-08-16 1975-12-23 Garrett Corp Fluid flow sensing method and apparatus
US4164939A (en) * 1977-06-24 1979-08-21 The Regents Of The University Of California Orthogonal electromagnetic flow and diameter sensor system
US4204549A (en) * 1977-12-12 1980-05-27 Rca Corporation Coaxial applicator for microwave hyperthermia
US4217910A (en) * 1978-10-10 1980-08-19 The United States Of America As Represented By The Secretary Of The Navy Internal jugular and left ventricular thermodilution catheter
US4240441A (en) * 1978-10-10 1980-12-23 The United States Of America As Represented By The Secretary Of The Navy Carotid thermodilution catheter
US4305548A (en) * 1980-01-21 1981-12-15 Armstrong Machine Works Energy loss detection system
US4576182A (en) * 1981-04-23 1986-03-18 University Of Utah Method and apparatus for measuring liquid flow
US4484582A (en) * 1981-09-09 1984-11-27 Memorial Hospital For Cancer & Allied Diseases Electrolytic fluid flow rate method and apparatus
US4672962A (en) * 1983-09-28 1987-06-16 Cordis Corporation Plaque softening method
USRE33925E (en) * 1984-05-22 1992-05-12 Cordis Corporation Electrosurgical catheter aned method for vascular applications
US4682596A (en) * 1984-05-22 1987-07-28 Cordis Corporation Electrosurgical catheter and method for vascular applications
US4637401A (en) * 1984-11-01 1987-01-20 Johnston G Gilbert Volumetric flow rate determination in conduits not directly accessible
US4748979A (en) * 1985-10-07 1988-06-07 Cordis Corporation Plaque resolving device
US4817624A (en) * 1985-12-20 1989-04-04 The General Hospital Corporation Mini-bolus technique for thermodilution cardiac output measurements
US4785823A (en) * 1987-07-21 1988-11-22 Robert F. Shaw Methods and apparatus for performing in vivo blood thermodilution procedures
JPH073352B2 (ja) * 1987-10-09 1995-01-18 株式会社日立製作所 熱式空気流量計
GB2232241B (en) * 1989-05-27 1993-06-02 Schlumberger Ltd Method for determining dynamic flow characteristics of multiphase flows
US5108369A (en) * 1990-03-15 1992-04-28 Diagnostic Devices Group, Limited Dual-diameter multifunction catheter
US5122137A (en) * 1990-04-27 1992-06-16 Boston Scientific Corporation Temperature controlled rf coagulation
US5005582A (en) * 1990-06-28 1991-04-09 Vladimir Serikov Non-invasive method for measuring lung tissue volume and pulmonary blood flow and a probe to carry out the method
US5720293A (en) * 1991-01-29 1998-02-24 Baxter International Inc. Diagnostic catheter with memory
US5553622A (en) * 1991-01-29 1996-09-10 Mckown; Russell C. System and method for controlling the temperature of a catheter-mounted heater
US6387052B1 (en) * 1991-01-29 2002-05-14 Edwards Lifesciences Corporation Thermodilution catheter having a safe, flexible heating element
DE69227526T2 (de) * 1992-02-07 1999-06-02 Baxter Int Wärmeverdünnungskatheter mit biegsamem, sicherem heizelement
US5780736A (en) * 1996-11-27 1998-07-14 Sierra Instruments, Inc. Axial thermal mass flowmeter
FR2877090B1 (fr) * 2004-10-22 2007-05-11 Commissariat Energie Atomique Cryostat pour l'etude d'echantillons sous vide
WO2006135293A1 (en) * 2005-06-16 2006-12-21 St. Jude Medical Ab Flow sensor and method for measuring the flow of a body fluid
US20070167864A1 (en) * 2005-11-29 2007-07-19 Lopez George A Cardiac output measurement devices and methods
EP2131168A1 (en) 2008-06-04 2009-12-09 Siemens Aktiengesellschaft Method and device for detecting capacity changes in a fluid and turbine
US20110144637A1 (en) * 2009-12-11 2011-06-16 Medtronic Cryocath Lp Vein Occlusion Devices and Methods for Catheter-Based Ablation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE475239A (it) * 1946-05-21 1900-01-01
US2650496A (en) * 1948-05-17 1953-09-01 Phillips Petroleum Co Fluid flowmeter with heated resistance bridge circuit
US3019647A (en) * 1957-08-30 1962-02-06 Honeywell Regulator Co Electrical fluid-flow measuring apparatus
US3075515A (en) * 1958-10-17 1963-01-29 Albert M Richards Blood flow meter
US3092514A (en) * 1959-05-25 1963-06-04 Petro Electronics Corp Method and apparatus for cleaning and thawing flow lines and the like
DE1163993B (de) * 1960-03-23 1964-02-27 Philips Patentverwaltung Dezimeterwellen-Stielstrahler fuer medizinsche Behandlung
US3359974A (en) * 1963-10-07 1967-12-26 Hassan H Khalil Device for the thermal determination of cardiac volumetric performance
US3498127A (en) * 1966-06-09 1970-03-03 Albert M Richards Measuring fluid flow

Also Published As

Publication number Publication date
AU4127772A (en) 1973-10-25
FR2133973A1 (it) 1972-12-01
BE782339A (fr) 1972-10-19
US3798967A (en) 1974-03-26
JPS5844374B1 (it) 1983-10-03
CA958561A (en) 1974-12-03
DE2216281A1 (de) 1972-11-02
GB1330618A (en) 1973-09-19
NL165926C (nl) 1981-06-15
DE2216281B2 (de) 1979-06-07
FR2133973B1 (it) 1976-06-11
NL7105351A (it) 1972-10-24
DE2216281C3 (de) 1984-01-26
AU469636B2 (en) 1973-10-25
NL165926B (nl) 1981-01-15

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