DE60209026D1 - Messung der blutflussgeschwindigkeit - Google Patents

Messung der blutflussgeschwindigkeit

Info

Publication number
DE60209026D1
DE60209026D1 DE60209026T DE60209026T DE60209026D1 DE 60209026 D1 DE60209026 D1 DE 60209026D1 DE 60209026 T DE60209026 T DE 60209026T DE 60209026 T DE60209026 T DE 60209026T DE 60209026 D1 DE60209026 D1 DE 60209026D1
Authority
DE
Germany
Prior art keywords
light
ultrasound
blood
blood flow
measurement
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.)
Expired - Fee Related
Application number
DE60209026T
Other languages
English (en)
Other versions
DE60209026T2 (de
Inventor
Paul Beard
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 College London
Original Assignee
University College London
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 College London filed Critical University College London
Application granted granted Critical
Publication of DE60209026D1 publication Critical patent/DE60209026D1/de
Publication of DE60209026T2 publication Critical patent/DE60209026T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
    • 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
    • A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Acoustics & Sound (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Volume Flow (AREA)
  • Paper (AREA)
DE60209026T 2001-11-07 2002-11-04 Messung der blutflussgeschwindigkeit Expired - Fee Related DE60209026T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0126804 2001-11-07
GBGB0126804.4A GB0126804D0 (en) 2001-11-07 2001-11-07 Flow velocity measurement
PCT/GB2002/004977 WO2003039364A2 (en) 2001-11-07 2002-11-04 Blood flow velocity measurement

Publications (2)

Publication Number Publication Date
DE60209026D1 true DE60209026D1 (de) 2006-04-13
DE60209026T2 DE60209026T2 (de) 2006-09-28

Family

ID=9925371

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60209026T Expired - Fee Related DE60209026T2 (de) 2001-11-07 2002-11-04 Messung der blutflussgeschwindigkeit

Country Status (8)

Country Link
US (1) US20050150309A1 (de)
EP (1) EP1443856B1 (de)
AT (1) ATE316771T1 (de)
AU (1) AU2002341180A1 (de)
DE (1) DE60209026T2 (de)
ES (1) ES2257575T3 (de)
GB (1) GB0126804D0 (de)
WO (1) WO2003039364A2 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060287590A1 (en) * 2003-09-18 2006-12-21 Mceowen Edwin L Noninvasive vital sign measurement device
US7559894B2 (en) * 2003-09-18 2009-07-14 New Paradigm Concepts, LLC Multiparameter whole blood monitor and method
WO2006060205A2 (en) * 2004-12-02 2006-06-08 Mayo Foundation For Medical Education And Research Detection of blood flow using emitted light absorption
JP2008523881A (ja) 2004-12-20 2008-07-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 体の構造を調査する装置及び方法
JP5148194B2 (ja) * 2007-07-25 2013-02-20 富士フイルム株式会社 超音波診断装置
US9308307B2 (en) 2007-09-13 2016-04-12 Fresenius Medical Care Holdings, Inc. Manifold diaphragms
US9358331B2 (en) 2007-09-13 2016-06-07 Fresenius Medical Care Holdings, Inc. Portable dialysis machine with improved reservoir heating system
US9199022B2 (en) 2008-09-12 2015-12-01 Fresenius Medical Care Holdings, Inc. Modular reservoir assembly for a hemodialysis and hemofiltration system
US8240636B2 (en) 2009-01-12 2012-08-14 Fresenius Medical Care Holdings, Inc. Valve system
US8040493B2 (en) 2007-10-11 2011-10-18 Fresenius Medical Care Holdings, Inc. Thermal flow meter
US8597505B2 (en) 2007-09-13 2013-12-03 Fresenius Medical Care Holdings, Inc. Portable dialysis machine
US8105487B2 (en) 2007-09-25 2012-01-31 Fresenius Medical Care Holdings, Inc. Manifolds for use in conducting dialysis
EP2219514A1 (de) * 2007-11-14 2010-08-25 Koninklijke Philips Electronics N.V. Systeme und verfahren zur erkennung des flusses und zur erhöhung der snr-leistung in vorrichtungen für photoakustische abbildung
CA3057806C (en) 2007-11-29 2021-11-23 Fresenius Medical Care Holdings, Inc. System and method for conducting hemodialysis and hemofiltration
EP2110076A1 (de) * 2008-02-19 2009-10-21 Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Verfahren und Vorrichtung zur Nahfeld-Doppelwellen-Modalitätsbildgebung
US9572497B2 (en) 2008-07-25 2017-02-21 Helmholtz Zentrum Munchen Deutsches Forschungszentrum Fur Gesundheit Und Umwelt (Gmbh) Quantitative multi-spectral opto-acoustic tomography (MSOT) of tissue biomarkers
AU2009302327C1 (en) 2008-10-07 2015-09-10 Fresenius Medical Care Holdings, Inc. Priming system and method for dialysis systems
KR101508483B1 (ko) 2008-10-30 2015-04-06 프레제니우스 메디칼 케어 홀딩스 인코퍼레이티드 모듈화된 휴대용 투석장치
CA2762562A1 (en) * 2009-05-19 2010-11-25 Endra, Inc. Thermoacoustic system for analyzing tissue
US9271654B2 (en) 2009-06-29 2016-03-01 Helmholtz Zentrum Munchen Deutsches Forschungszentrum Fur Gesundheit Und Umwelt (Gmbh) Thermoacoustic imaging with quantitative extraction of absorption map
WO2011012274A1 (en) * 2009-07-27 2011-02-03 Helmholtz Zentrum München Deutsches Forschungszentrum Für Gesundheit Und Umwelt (Gmbh) Imaging device and method for optoacoustic imaging of small animals
US20110083509A1 (en) * 2009-10-09 2011-04-14 Nellcor Puritan Bennett Llc Photoacoustic Spectroscopy With Focused Light
AU2011213036B2 (en) * 2010-02-02 2013-11-14 Covidien Lp Continuous light emission photoacoustic spectroscopy
US20120220844A1 (en) * 2011-02-28 2012-08-30 Nellcor Puritan Bennett Llc Regional Saturation Using Photoacoustic Technique
JP5832182B2 (ja) * 2011-07-19 2015-12-16 キヤノン株式会社 音響信号受信装置およびイメージング装置
US9220415B2 (en) * 2011-10-25 2015-12-29 Andreas Mandelis Systems and methods for frequency-domain photoacoustic phased array imaging
CN103932670A (zh) * 2011-12-30 2014-07-23 广州宝胆医疗器械科技有限公司 多普勒激光关节镜***
US8764663B2 (en) 2012-03-14 2014-07-01 Jeffrey Smok Method and apparatus for locating and distinguishing blood vessel
US10054676B2 (en) * 2012-05-03 2018-08-21 Los Alamos National Security, Llc Acoustic camera
US9060745B2 (en) 2012-08-22 2015-06-23 Covidien Lp System and method for detecting fluid responsiveness of a patient
US8731649B2 (en) 2012-08-30 2014-05-20 Covidien Lp Systems and methods for analyzing changes in cardiac output
JP2014066701A (ja) * 2012-09-04 2014-04-17 Canon Inc 被検体情報取得装置
US9357937B2 (en) 2012-09-06 2016-06-07 Covidien Lp System and method for determining stroke volume of an individual
US9241646B2 (en) 2012-09-11 2016-01-26 Covidien Lp System and method for determining stroke volume of a patient
US20140081152A1 (en) 2012-09-14 2014-03-20 Nellcor Puritan Bennett Llc System and method for determining stability of cardiac output
US20140171811A1 (en) * 2012-12-13 2014-06-19 Industrial Technology Research Institute Physiology measuring system and method thereof
EP2742854B1 (de) 2012-12-11 2021-03-10 iThera Medical GmbH Tragbare Vorrichtung und Verfahren für tomographische optoakustische Bildgebung eines Objekts
US8977348B2 (en) 2012-12-21 2015-03-10 Covidien Lp Systems and methods for determining cardiac output
US9201036B2 (en) 2012-12-21 2015-12-01 Fresenius Medical Care Holdings, Inc. Method and system of monitoring electrolyte levels and composition using capacitance or induction
US9157786B2 (en) 2012-12-24 2015-10-13 Fresenius Medical Care Holdings, Inc. Load suspension and weighing system for a dialysis machine reservoir
EP2754388B1 (de) 2013-01-15 2020-09-09 Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt GmbH System und Verfahren zur optoakustischen Abbildung eines Objekts mit verbesserter Qualität und hoher Rate
US9380981B2 (en) 2013-03-15 2016-07-05 Covidien Lp Photoacoustic monitoring technique with noise reduction
US9354640B2 (en) 2013-11-11 2016-05-31 Fresenius Medical Care Holdings, Inc. Smart actuator for valve
JP6452410B2 (ja) 2014-11-28 2019-01-16 キヤノン株式会社 光音響装置
JP6614910B2 (ja) * 2014-11-28 2019-12-04 キヤノン株式会社 光音響装置
CN107019516B (zh) * 2017-03-31 2020-11-10 北京心灵方舟科技发展有限公司 近红外噪声的抑制方法、装置和检测设备
EP3427638A1 (de) * 2017-07-10 2019-01-16 Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Vorrichtung und verfahren zur optoakustischen messung
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***和方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065958A (en) * 1976-10-18 1978-01-03 Eleonora Dmitrievna Krylova Method of controlling physical characteristics of fluid medium
US4080837A (en) * 1976-12-03 1978-03-28 Continental Oil Company Sonic measurement of flow rate and water content of oil-water streams
US4142796A (en) * 1977-04-20 1979-03-06 Eye Research Institute Of Retina Foundation, Inc. Blood flow measurement
CA1135827A (en) * 1978-12-04 1982-11-16 Rainer Fehr Determination of flow velocities by measuring phase difference between the doppler signals
GB9704737D0 (en) * 1997-03-07 1997-04-23 Optel Instr Limited Biological measurement system
DE19744500A1 (de) * 1997-10-09 1999-04-15 Abb Research Ltd Photoakustische Freifall-Messzelle
DE69937237T2 (de) * 1998-06-30 2008-07-03 Lockheed Martin Corp., Fort Worth Verfahren und gerät für ultraschall-laseruntersuchungen
US6100969A (en) * 1998-12-02 2000-08-08 The United States Of America As Represented By The Secretary Of The Navy Distributed fiber optic laser ultrasonic system
DE10012395B4 (de) * 2000-03-15 2010-04-29 Abb Research Ltd. Durchflussmesser

Also Published As

Publication number Publication date
EP1443856B1 (de) 2006-02-01
WO2003039364A3 (en) 2003-10-16
GB0126804D0 (en) 2002-01-02
DE60209026T2 (de) 2006-09-28
AU2002341180A1 (en) 2003-05-19
EP1443856A2 (de) 2004-08-11
ATE316771T1 (de) 2006-02-15
WO2003039364A2 (en) 2003-05-15
ES2257575T3 (es) 2006-08-01
US20050150309A1 (en) 2005-07-14

Similar Documents

Publication Publication Date Title
DE60209026D1 (de) Messung der blutflussgeschwindigkeit
WO2006052634A3 (en) Non-invasive measurement system and method for measuring the concentration of an optically-active substance
ATE492803T1 (de) Verfahren und vorrichtung zur nichtinvasiven untersuchung von lebendkörpercharakteristiken mittels photoakustik
ATE267547T1 (de) Vorrichtung zur messung der blutströmung in mikrogefässen
WO2003079892A3 (en) A non-invasive blood analyte measuring system and method utilizing optical absorption
ATE343348T1 (de) Vorrichtung zur pulswellenlaufzeitbestimmung und extrakorporale blutbehandlungseinrichtung mit einer solchen vorrichtung
DE602004031373D1 (de) Vorrichtung und verfahren zur überwachung von körperflüssigkeit und elektrolytenstörungen
ATE355865T1 (de) Messvorrichtung und -verfahren zur bestimmung von parametern medizinischer flüssigkeiten
WO2003032808A3 (en) Tissue oxygen measurement system
DE69121589D1 (de) Vorrichtung zur nichtinvasiven messung von glukose im blut
ATE429171T1 (de) Verfahren und gerät zur bestimmung der autofluoreszenz von hautgewebe
EP1067376A3 (de) Vorrichtung zur Messung von Fluoreszenz
DE60239295D1 (de) Verfahren und Vorrichtung zur Detektion von Blasen in einer Flüssigkeit
ATE175559T1 (de) Vorrichtung zur erfassung von oberflächenstrukturen
DE69016428D1 (de) Vorrichtung und verfahren zur bestimmung eines bestandteiles in einer flüssigkeitsprobe.
EP1562038A3 (de) Verfahren für laserinduzierte Fluoreszenz-Dämpfungs- Spektroskopie
ATE533398T1 (de) Nicht-invasives blutzuckermessgerät
ATE447355T1 (de) Kombiniertes gerät zum messen von blutzucker aus augenflüssigkeit
WO2003003911A3 (de) Messung der konzentration von substanzen in lebenden organismen mittels mikrodialyse
ATE262303T1 (de) Vorrichtung zur reflektrometrischen untersuchung und messung von körperhohlräumen
RU2014101952A (ru) Неинвазивное устройство и способ измерения уровня билирубина
ATE401035T1 (de) Verfahren und vorrichtung zur messung des dynamischen verhaltens des auges
SE0003796D0 (sv) Apparatus and method for monitoring
DE60306746D1 (de) Akustisches Verfahren zur Bestimmung der Zementverbindung in Bohrlöchern
ATE464556T1 (de) Verfahren zur messung von lichtabsorptionseigenschaften einer biologischen gewebsprobe

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee