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
Publication of DE60209026D1 publication Critical patent/DE60209026D1/de
Application granted granted Critical
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)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Physiology (AREA)
  • Cardiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Acoustics & Sound (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)

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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
US8597505B2 (en) 2007-09-13 2013-12-03 Fresenius Medical Care Holdings, Inc. Portable dialysis machine
US9199022B2 (en) 2008-09-12 2015-12-01 Fresenius Medical Care Holdings, Inc. Modular reservoir assembly for a hemodialysis and hemofiltration system
US9358331B2 (en) 2007-09-13 2016-06-07 Fresenius Medical Care Holdings, Inc. Portable dialysis machine with improved reservoir heating system
US8105487B2 (en) 2007-09-25 2012-01-31 Fresenius Medical Care Holdings, Inc. Manifolds for use in conducting dialysis
US9308307B2 (en) 2007-09-13 2016-04-12 Fresenius Medical Care Holdings, Inc. Manifold diaphragms
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
WO2009063424A1 (en) * 2007-11-14 2009-05-22 Koninklijke Philips Electronics, N.V. Systems and methods for detecting flow and enhancing snr performance in photoacoustic imaging applications
EP3511034B1 (de) 2007-11-29 2023-03-29 Fresenius Medical Care Holdings, Inc. System zur extrakorporalen blutbehandlung und durchführung von hämodialyse und hämofiltration
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
EP2344019B1 (de) 2008-07-25 2013-11-27 Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Quantitative multispektrale optoakustische tomographie (msot) von gewebebiomarkern
MX343532B (es) 2008-10-07 2016-11-09 Fresenius Medical Care Holdings Inc Sistema de cebado y metodo para sistemas de dialisis.
EA201690595A1 (ru) 2008-10-30 2016-11-30 Фрезениус Медикал Кеа Холдингс, Инк. Модульная система диализа (варианты)
CN102481108B (zh) * 2009-05-19 2015-11-25 安德拉有限公司 用于分析组织的热声系统
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 多普勒激光关节镜系统
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
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
US8977348B2 (en) 2012-12-21 2015-03-10 Covidien Lp Systems and methods for determining cardiac output
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
JP6614910B2 (ja) * 2014-11-28 2019-12-04 キヤノン株式会社 光音響装置
JP6452410B2 (ja) 2014-11-28 2019-01-16 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系统和方法

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US4080837A (en) * 1976-12-03 1978-03-28 Continental Oil Company Sonic measurement of flow rate and water content of oil-water streams
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DE19744500A1 (de) * 1997-10-09 1999-04-15 Abb Research Ltd Photoakustische Freifall-Messzelle
KR20010053281A (ko) * 1998-06-30 2001-06-25 록히드 마틴 코포레이션 초음파 레이저 테스트를 위한 방법 및 장치
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
US20050150309A1 (en) 2005-07-14
EP1443856A2 (de) 2004-08-11
WO2003039364A2 (en) 2003-05-15
ATE316771T1 (de) 2006-02-15
GB0126804D0 (en) 2002-01-02
EP1443856B1 (de) 2006-02-01
AU2002341180A1 (en) 2003-05-19
DE60209026T2 (de) 2006-09-28
WO2003039364A3 (en) 2003-10-16
ES2257575T3 (es) 2006-08-01

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Legal Events

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