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AU2001252362A1 - Planar light sheet probes - Google Patents

Planar light sheet probes

Info

Publication number
AU2001252362A1
AU2001252362A1 AU2001252362A AU5236201A AU2001252362A1 AU 2001252362 A1 AU2001252362 A1 AU 2001252362A1 AU 2001252362 A AU2001252362 A AU 2001252362A AU 5236201 A AU5236201 A AU 5236201A AU 2001252362 A1 AU2001252362 A1 AU 2001252362A1
Authority
AU
Australia
Prior art keywords
light
light sheet
distal end
acquirer
planar light
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
AU2001252362A
Inventor
Abdelwahab Aroussi
Mohamed Menacer
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.)
University of Nottingham
Original Assignee
University of Nottingham
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 University of Nottingham filed Critical University of Nottingham
Publication of AU2001252362A1 publication Critical patent/AU2001252362A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G01P5/001—Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation
    • 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
    • A61B5/0265—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter
    • A61B5/027—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter using catheters
    • 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
    • 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
    • G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
    • G01P5/20—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance using particles entrained by a fluid stream
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2423—Optical details of the distal end
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2461—Illumination
    • G02B23/2469—Illumination using optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Astronomy & Astrophysics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Physiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Cardiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Fluid Mechanics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)

Abstract

An optical endoscopic fluid flow measurement probe assembly is disclosed having a user end and a distal end. The distal end having a light sheet generator and at least one reflected light acquirer, and the endoscope is provided with transmission means to transmit information away from the distal end. The light sheet generator is adapted in use to generate a sheet of light and the light acquirer being adapted to image light reflected from the light sheet, the light sheet generator and light acquirer being provided in the same endoscope.
AU2001252362A 2000-04-27 2001-04-27 Planar light sheet probes Abandoned AU2001252362A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0010123 2000-04-27
GBGB0010123.8A GB0010123D0 (en) 2000-04-27 2000-04-27 Planar light sheet anemometers
PCT/GB2001/001860 WO2001080734A1 (en) 2000-04-27 2001-04-27 Planar light sheet probes

Publications (1)

Publication Number Publication Date
AU2001252362A1 true AU2001252362A1 (en) 2001-11-07

Family

ID=9890518

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001252362A Abandoned AU2001252362A1 (en) 2000-04-27 2001-04-27 Planar light sheet probes

Country Status (10)

Country Link
US (1) US6762827B2 (en)
EP (1) EP1276414B1 (en)
AT (1) ATE444017T1 (en)
AU (1) AU2001252362A1 (en)
DE (1) DE60140045D1 (en)
DK (1) DK1276414T3 (en)
ES (1) ES2333699T3 (en)
GB (1) GB0010123D0 (en)
PT (1) PT1276414E (en)
WO (1) WO2001080734A1 (en)

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DE10257743B4 (en) * 2002-12-10 2006-11-23 Irmgard Zerrle Device for determining perfusion in a tissue region and blood flow through individual blood vessels
EP1896836A4 (en) * 2005-06-27 2009-10-21 Colin Jeffress Spectroscopic lance for bulk sampling
US20070122344A1 (en) 2005-09-02 2007-05-31 University Of Rochester Medical Center Office Of Technology Transfer Intraoperative determination of nerve location
US20080161744A1 (en) 2006-09-07 2008-07-03 University Of Rochester Medical Center Pre-And Intra-Operative Localization of Penile Sentinel Nodes
BRPI0604089A (en) * 2006-09-21 2008-05-13 Hv Assessoria E Consultoria S Alignment Angle Determination Sensor Set, Angle Measurement System and Vehicle Wheel Alignment Process
US8547428B1 (en) * 2006-11-02 2013-10-01 SeeScan, Inc. Pipe mapping system
WO2009081883A1 (en) * 2007-12-21 2009-07-02 Institute Of National Colleges Of Technology, Japan Laser doppler blood flow measuring method and device
US8406860B2 (en) 2008-01-25 2013-03-26 Novadaq Technologies Inc. Method for evaluating blush in myocardial tissue
US10219742B2 (en) 2008-04-14 2019-03-05 Novadaq Technologies ULC Locating and analyzing perforator flaps for plastic and reconstructive surgery
EP2285421B1 (en) 2008-05-02 2018-04-11 Novadaq Technologies ULC Methods for production and use of substance-loaded erythrocytes for observation and treatment of microvascular hemodynamics
US10492671B2 (en) 2009-05-08 2019-12-03 Novadaq Technologies ULC Near infra red fluorescence imaging for visualization of blood vessels during endoscopic harvest
US8748846B2 (en) * 2010-12-08 2014-06-10 Lockheed Martin Corporation Photofragmentation-laser-induced fluorescence for detection of nitric oxide-bearing explosives
GB201208843D0 (en) * 2012-05-18 2012-07-04 Fasmatech Science And Technology Llc Improvements in and relating to mass or size measurement of ions
JP6028096B2 (en) 2012-06-21 2016-11-16 ノバダック テクノロジーズ インコーポレイテッド Angiography and perfusion quantification and analysis techniques
US9121861B2 (en) 2013-03-15 2015-09-01 National Security Technologies, Llc Photonic Doppler velocimetry lens array probe incorporating stereo imaging
EP3113666A4 (en) * 2014-03-02 2017-12-27 V.T.M. (Virtual Tape Measure) Technologies Ltd. Endoscopic measurement system and method
JP6549705B2 (en) 2014-09-29 2019-07-24 ノバダック テクノロジーズ ユーエルシー Imaging of target fluorophores in biological material in the presence of autofluorescence
WO2016055837A1 (en) 2014-10-09 2016-04-14 Novadaq Technologies Inc. Quantification of absolute blood flow in tissue using fluorescence-mediated photoplethysmography
US10408676B2 (en) 2015-10-01 2019-09-10 Mission Support and Test Services, LLC Long-pulse-width variable-wavelength chirped pulse generator and method
US10598682B2 (en) * 2016-02-12 2020-03-24 Board Of Trustees Of Michigan State University Laser system for measuring fluid dynamics
JPWO2017168703A1 (en) * 2016-03-31 2018-10-11 株式会社島津製作所 Optical measurement probe and optical measurement apparatus provided with the same
RU2627974C1 (en) * 2016-10-31 2017-08-14 Общество с ограниченной ответственностью "Турбодиагностика" (ООО "Турбодиагностика") Method of controlling shape of internal parts
CN106596554A (en) * 2016-12-23 2017-04-26 河海大学常州校区 Measuring system for particle moving trajectory of spray drier based on image method
EP4242743A3 (en) 2017-02-10 2023-10-18 Stryker European Operations Limited Open-field handheld fluorescence imaging systems and methods
JP6932036B2 (en) * 2017-07-31 2021-09-08 シスメックス株式会社 Cell imaging method, cell imaging device, particle imaging method and particle imaging device
CN109893078B (en) * 2017-12-11 2021-12-03 梅达布蒂奇股份有限公司 Laparoscope
CN111640698B (en) * 2020-06-19 2022-07-05 华虹半导体(无锡)有限公司 Window observation device for etching and etching equipment
US11867924B2 (en) 2020-12-24 2024-01-09 Biosense Webster (Israel) Ltd. Visualizing catheter irrigation using schlieren images
CN115290524B (en) * 2022-08-03 2024-02-02 中南大学 A three-dimensional space particle concentration measurement device and method
US12136498B1 (en) * 2023-10-12 2024-11-05 Metrolaser, Inc. System and method for measuring spatially resolved velocity and density of air flows simultaneously

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EP0394602A1 (en) 1989-04-25 1990-10-31 Kyoji Kamemoto Method for measuring flow direction and flow velocity of a fluid utilizing pulse-laser-light-sheet and an apparatus used therefor
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FR2689247B1 (en) 1992-03-24 1994-06-03 Electricite De France METHOD AND DEVICE FOR OPTICAL MEASUREMENT OF THE DIMENSIONS OF AN OBJECT OR OF THE SPEED OF AN OBJECT OR OF A MOVING FLUID IN A FIELD.
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WO1997012210A1 (en) * 1995-09-29 1997-04-03 Swee Chuan Tjin Fiber optic catheter for accurate flow measurements
JP4018147B2 (en) * 1996-05-17 2007-12-05 バイオセンス・インコーポレイテッド Self-aligning catheter
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Also Published As

Publication number Publication date
GB0010123D0 (en) 2000-06-14
PT1276414E (en) 2009-12-29
US6762827B2 (en) 2004-07-13
EP1276414B1 (en) 2009-09-30
ES2333699T3 (en) 2010-02-26
EP1276414A1 (en) 2003-01-22
DK1276414T3 (en) 2010-02-01
US20030133096A1 (en) 2003-07-17
DE60140045D1 (en) 2009-11-12
WO2001080734A1 (en) 2001-11-01
ATE444017T1 (en) 2009-10-15

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