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AU4064085A - Fluid flow sensing apparatus for in vivo and industrial applications employing novel differential optical fiber pressure sensors - Google Patents

Fluid flow sensing apparatus for in vivo and industrial applications employing novel differential optical fiber pressure sensors

Info

Publication number
AU4064085A
AU4064085A AU40640/85A AU4064085A AU4064085A AU 4064085 A AU4064085 A AU 4064085A AU 40640/85 A AU40640/85 A AU 40640/85A AU 4064085 A AU4064085 A AU 4064085A AU 4064085 A AU4064085 A AU 4064085A
Authority
AU
Australia
Prior art keywords
vivo
optical fiber
fluid flow
pressure sensors
industrial applications
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.)
Abandoned
Application number
AU40640/85A
Inventor
Robert E Einzig
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.)
Optical Technologies Inc
Original Assignee
Optical Technologies Inc
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 Optical Technologies Inc filed Critical Optical Technologies Inc
Publication of AU4064085A publication Critical patent/AU4064085A/en
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6853—Catheters with a balloon
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
    • 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
    • G01F1/363—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 with electrical or electro-mechanical indication
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/661—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Fluid Mechanics (AREA)
  • Physiology (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Electromagnetism (AREA)
  • Measuring Fluid Pressure (AREA)
AU40640/85A 1984-03-08 1985-02-25 Fluid flow sensing apparatus for in vivo and industrial applications employing novel differential optical fiber pressure sensors Abandoned AU4064085A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58746484A 1984-03-08 1984-03-08
US587464 1984-03-08

Publications (1)

Publication Number Publication Date
AU4064085A true AU4064085A (en) 1985-09-24

Family

ID=24349906

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40640/85A Abandoned AU4064085A (en) 1984-03-08 1985-02-25 Fluid flow sensing apparatus for in vivo and industrial applications employing novel differential optical fiber pressure sensors

Country Status (3)

Country Link
AU (1) AU4064085A (en)
IT (1) IT1183485B (en)
WO (1) WO1985003855A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4691709A (en) * 1986-07-01 1987-09-08 Cordis Corporation Apparatus for measuring velocity of blood flow in a blood vessel
DE3903881C1 (en) * 1989-02-10 1990-04-12 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
SE8901358D0 (en) * 1989-04-14 1989-04-14 Radi Medical System PUT TO MEET THE FLOW IN A BLOOD BLOOD AND DEVICE
WO1991005575A1 (en) 1989-10-11 1991-05-02 Baxter International Inc. Integral intracranial pressure monitor and drainage catheter assembly
AU5672194A (en) * 1992-11-18 1994-06-22 Spectrascience, Inc. Apparatus for diagnostic imaging
US5439003A (en) * 1993-12-16 1995-08-08 Modern Technologies Corp. Apparatus and method for measuring fluid flow
WO2004088264A1 (en) * 2003-04-03 2004-10-14 Rand Afrikaans University Optical device for measuring fluid pressure
US7554666B2 (en) 2006-05-25 2009-06-30 Ric Investments, Llc. Sensor with optical pressure transducer and method of manufacturing a sensor component
CN108225448A (en) * 2018-03-09 2018-06-29 中国长江电力股份有限公司 A kind of fiber F-P many reference amounts Intelligent Flowing Sensor and measuring method
CN120232484B (en) * 2025-05-30 2025-07-29 中北大学 High-temperature-resistant high-pressure-resistant multi-parameter integrated sensor and system based on optical fiber dislocation fusion

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863318A (en) * 1953-06-15 1958-12-09 Bopp & Reuther G M B H Fa Differential pressure producer
US3196680A (en) * 1962-01-03 1965-07-27 Itt Flow tubes
US3215135A (en) * 1963-02-04 1965-11-02 Ernst K Franke Miniature pressure gauge for the measurement of intravascular blood pressure
US3249105A (en) * 1963-04-19 1966-05-03 American Optical Corp Devices for measuring blood pressure
US3552855A (en) * 1969-04-16 1971-01-05 Us Air Force Laser velocimeter utilizing fiber optics
US3686958A (en) * 1971-02-22 1972-08-29 Ladd Res Ind Fiber optic pressure detector
JPS528632B2 (en) * 1971-12-29 1977-03-10
US3866599A (en) * 1972-01-21 1975-02-18 Univ Washington Fiberoptic catheter
US3789667A (en) * 1972-02-14 1974-02-05 Ladd Res Ind Inc Fiber optic pressure detector
US3831588A (en) * 1972-10-16 1974-08-27 Device Res Inc Pressure sensing device
US4030485A (en) * 1974-11-12 1977-06-21 Glenfield Warner Method and apparatus for continuously monitoring systolic blood pressure
US4201222A (en) * 1977-08-31 1980-05-06 Thomas Haase Method and apparatus for in vivo measurement of blood gas partial pressures, blood pressure and blood pulse
SE419678B (en) * 1978-10-31 1981-08-17 Gert Erik Nilsson SET AND DEVICE FOR Saturation of flow fluxes in a fluid
US4210029A (en) * 1979-05-04 1980-07-01 Lad Research Industries, Inc. Differential fiber optic differential pressure sensor
US4321831A (en) * 1980-09-26 1982-03-30 United Technologies Corporation Digitally compatible optical pressure measurement
US4487206A (en) * 1982-10-13 1984-12-11 Honeywell Inc. Fiber optic pressure sensor with temperature compensation and reference

Also Published As

Publication number Publication date
IT1183485B (en) 1987-10-22
WO1985003855A1 (en) 1985-09-12
IT8519775A0 (en) 1985-03-06

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