ATE479909T1 - Verfahren und system zur messung der geschwindigkeit einer blutströmung - Google Patents

Verfahren und system zur messung der geschwindigkeit einer blutströmung

Info

Publication number
ATE479909T1
ATE479909T1 AT05744612T AT05744612T ATE479909T1 AT E479909 T1 ATE479909 T1 AT E479909T1 AT 05744612 T AT05744612 T AT 05744612T AT 05744612 T AT05744612 T AT 05744612T AT E479909 T1 ATE479909 T1 AT E479909T1
Authority
AT
Austria
Prior art keywords
measuring
velocity
blood flow
plane
flow
Prior art date
Application number
AT05744612T
Other languages
English (en)
Inventor
Francois Lacombe
Goualher Georges Le
Aymeric Perchant
Nicholas Ayache
Original Assignee
Mauna Kea Technologies
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 Mauna Kea Technologies filed Critical Mauna Kea Technologies
Application granted granted Critical
Publication of ATE479909T1 publication Critical patent/ATE479909T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A61B3/1241—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes specially adapted for observation of ocular blood flow, e.g. by fluorescein angiography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/1025—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for confocal scanning
    • 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
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7086—Measuring the time taken to traverse a fixed distance using optical detecting arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1429—Signal processing
    • G01N15/1433—Signal processing using image recognition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1468—Optical investigation techniques, e.g. flow cytometry with spatial resolution of the texture or inner structure of the particle
    • G01N15/147—Optical investigation techniques, e.g. flow cytometry with spatial resolution of the texture or inner structure of the particle the analysis being performed on a sample stream
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • G02B21/002—Scanning microscopes
    • G02B21/0024—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders
    • G02B21/0028—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders specially adapted for specific applications, e.g. for endoscopes, ophthalmoscopes, attachments to conventional microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • G02B21/002—Scanning microscopes
    • G02B21/0024—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders
    • G02B21/008—Details of detection or image processing, including general computer control
    • G02B21/0084—Details of detection or image processing, including general computer control time-scale detection, e.g. strobed, ultra-fast, heterodyne detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/1027—Determining speed or velocity of a particle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • G01N2015/1447—Spatial selection
    • G01N2015/145—Spatial selection by pattern of light, e.g. fringe pattern

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Ophthalmology & Optometry (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Fluid Mechanics (AREA)
  • Vascular Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Hematology (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Microscoopes, Condenser (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Measuring Volume Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
AT05744612T 2004-04-02 2005-03-25 Verfahren und system zur messung der geschwindigkeit einer blutströmung ATE479909T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0403519A FR2868279B1 (fr) 2004-04-02 2004-04-02 Procede et systeme de mesure de vitesse du flux sanguin
PCT/FR2005/000718 WO2005098474A1 (fr) 2004-04-02 2005-03-25 Procede et systeme de mesure de vitesse du flux sanguin

Publications (1)

Publication Number Publication Date
ATE479909T1 true ATE479909T1 (de) 2010-09-15

Family

ID=34944528

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05744612T ATE479909T1 (de) 2004-04-02 2005-03-25 Verfahren und system zur messung der geschwindigkeit einer blutströmung

Country Status (12)

Country Link
US (1) US7911590B2 (de)
EP (1) EP1740974B1 (de)
JP (1) JP4758418B2 (de)
CN (1) CN100592107C (de)
AT (1) ATE479909T1 (de)
AU (1) AU2005230544B2 (de)
CA (1) CA2561770C (de)
DE (1) DE602005023292D1 (de)
ES (1) ES2352559T3 (de)
FR (1) FR2868279B1 (de)
IL (1) IL178347A (de)
WO (1) WO2005098474A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7414729B2 (en) * 2005-10-13 2008-08-19 President And Fellows Of Harvard College System and method for coherent anti-Stokes Raman scattering endoscopy
CN101520888B (zh) * 2008-02-27 2012-06-27 中国科学院自动化研究所 基于方向场的视网膜图像血管的增强方法
US8144958B2 (en) 2008-09-11 2012-03-27 Carl Zeiss Meditec Ag Medical systems and methods
US8600134B2 (en) 2009-01-30 2013-12-03 Mauna Kea Technologies Method and system for processing images acquired in real time through a medical device
JP5582520B2 (ja) * 2009-02-18 2014-09-03 国立大学法人名古屋大学 血流観測装置
JP5721412B2 (ja) * 2010-12-02 2015-05-20 キヤノン株式会社 眼科装置、血流速算出方法およびプログラム
JP5721411B2 (ja) * 2010-12-02 2015-05-20 キヤノン株式会社 眼科装置、血流速算出方法およびプログラム
JP5792967B2 (ja) * 2011-02-25 2015-10-14 キヤノン株式会社 画像処理装置及び画像処理システム
US9986909B2 (en) 2011-02-25 2018-06-05 Canon Kabushiki Kaisha Image processing apparatus and image processing system for displaying information about ocular blood flow
US9292936B2 (en) * 2013-01-09 2016-03-22 Omiimii Ltd. Method and apparatus for determining location
US9844320B2 (en) * 2014-01-29 2017-12-19 University Of Rochester System and method for observing an object in a blood vessel
DE102017201252A1 (de) * 2017-01-26 2018-07-26 Universität Ulm Verfahren und Vorrichtung zur Untersuchung von Zellen
GB201707239D0 (en) 2017-05-05 2017-06-21 Univ Edinburgh Optical system and method
GB201711699D0 (en) 2017-07-20 2017-09-06 Univ Bristol Microfluidics analysis system
CN108120851B (zh) * 2017-12-20 2024-03-08 中国医学科学院生物医学工程研究所 一种血液仿体的流速测量方法及仪器
JPWO2021079701A1 (de) * 2019-10-25 2021-04-29
CN115128299B (zh) * 2022-08-31 2022-12-27 之江实验室 一种测量非透明流场的光声粒子图像测速系统和方法

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
JPS612002A (ja) * 1984-06-14 1986-01-08 Hamamatsu Photonics Kk テレビ画像中の粒子像等の移動を測定する装置
JPH0664074B2 (ja) * 1986-01-08 1994-08-22 株式会社日立製作所 移動物体の速度測定装置
JPH0830711B2 (ja) * 1990-03-28 1996-03-27 満雄 上和野 高速画像処理装置
JPH05264433A (ja) * 1992-03-16 1993-10-12 Mitsuo Kamiwano 気泡測定装置
US5333044A (en) * 1992-11-24 1994-07-26 The United States Of America As Represented By The Department Of Energy Fluorescent image tracking velocimeter
DE4322043C2 (de) * 1993-07-02 1995-07-20 Heidelberg Engineering Optisch Verfahren und Gerät zur Messung der Fließgeschwindigkeit, insbesondere des Blutes
JP3366398B2 (ja) * 1993-10-25 2003-01-14 株式会社日立メディコ Ｍｒｉ装置
JP3313841B2 (ja) * 1993-09-24 2002-08-12 興和株式会社 血流測定装置
US6540981B2 (en) * 1997-12-04 2003-04-01 Amersham Health As Light imaging contrast agents
EP0957750A1 (de) * 1995-10-23 1999-11-24 Cytometrics, Inc. Verfahren und vorrichtung zur analyse reflektierter bilder
US6061176A (en) * 1998-09-14 2000-05-09 Shih; Song Hsin Microscope system for observation and display of microcirculation at multiple body areas
US6473698B1 (en) * 1999-04-22 2002-10-29 University Of Louisville Research Foundation, Inc. Method and apparatus for automated rolling leukocyte velocity measurement in vivo
US20020160470A1 (en) * 2000-11-13 2002-10-31 Genoptix Methods and apparatus for generating and utilizing linear moving optical gradients
FR2842407B1 (fr) * 2002-07-18 2005-05-06 Mauna Kea Technologies "procede et appareillage d'imagerie de fluorescence confocale fibree"
WO2004051310A1 (en) * 2002-12-02 2004-06-17 Koninklijke Philips Electronics N.V. Segmentation tool for identifying flow regions in an imaging system
WO2004073501A2 (en) * 2003-02-20 2004-09-02 Gutin Mikhail Optical coherence tomography with 3d coherence scanning
US7238150B2 (en) * 2004-06-28 2007-07-03 Houwen Otto H Method for calculating the turbulence factor for a decanting centrifuge

Also Published As

Publication number Publication date
US20080045848A1 (en) 2008-02-21
EP1740974A1 (de) 2007-01-10
CA2561770C (fr) 2015-06-23
JP4758418B2 (ja) 2011-08-31
DE602005023292D1 (de) 2010-10-14
AU2005230544B2 (en) 2011-01-06
US7911590B2 (en) 2011-03-22
ES2352559T3 (es) 2011-02-21
IL178347A (en) 2013-12-31
WO2005098474A1 (fr) 2005-10-20
CA2561770A1 (fr) 2005-10-20
CN100592107C (zh) 2010-02-24
JP2007530197A (ja) 2007-11-01
CN1957266A (zh) 2007-05-02
AU2005230544A1 (en) 2005-10-20
FR2868279A1 (fr) 2005-10-07
IL178347A0 (en) 2007-02-11
EP1740974B1 (de) 2010-09-01
FR2868279B1 (fr) 2006-06-09

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