ATE316771T1 - Messung der blutflussgeschwindigkeit - Google Patents

Messung der blutflussgeschwindigkeit

Info

Publication number
ATE316771T1
ATE316771T1 AT02774976T AT02774976T ATE316771T1 AT E316771 T1 ATE316771 T1 AT E316771T1 AT 02774976 T AT02774976 T AT 02774976T AT 02774976 T AT02774976 T AT 02774976T AT E316771 T1 ATE316771 T1 AT E316771T1
Authority
AT
Austria
Prior art keywords
light
ultrasound
blood
blood flow
measurement
Prior art date
Application number
AT02774976T
Other languages
English (en)
Inventor
Paul Beard
Original Assignee
Univ 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 Univ London filed Critical Univ London
Application granted granted Critical
Publication of ATE316771T1 publication Critical patent/ATE316771T1/de

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 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
    • 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)
  • Pathology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Cardiology (AREA)
  • Physiology (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)
  • Paper (AREA)
  • Measuring Volume Flow (AREA)
AT02774976T 2001-11-07 2002-11-04 Messung der blutflussgeschwindigkeit ATE316771T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0126804.4A GB0126804D0 (en) 2001-11-07 2001-11-07 Flow velocity measurement

Publications (1)

Publication Number Publication Date
ATE316771T1 true ATE316771T1 (de) 2006-02-15

Family

ID=9925371

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02774976T ATE316771T1 (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 (49)

* 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
CN101083936B (zh) 2004-12-20 2010-06-23 皇家飞利浦电子股份有限公司 身体结构研究
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
US8105487B2 (en) 2007-09-25 2012-01-31 Fresenius Medical Care Holdings, Inc. Manifolds for use in conducting dialysis
US9358331B2 (en) 2007-09-13 2016-06-07 Fresenius Medical Care Holdings, Inc. Portable dialysis machine with improved reservoir heating system
US8040493B2 (en) 2007-10-11 2011-10-18 Fresenius Medical Care Holdings, Inc. Thermal flow meter
US8240636B2 (en) 2009-01-12 2012-08-14 Fresenius Medical Care Holdings, Inc. Valve system
US9308307B2 (en) 2007-09-13 2016-04-12 Fresenius Medical Care Holdings, Inc. Manifold diaphragms
US8597505B2 (en) 2007-09-13 2013-12-03 Fresenius Medical Care Holdings, Inc. Portable dialysis machine
US20100298689A1 (en) * 2007-11-14 2010-11-25 Koninklijke Philips Electronics N.V. Systems and methods for detecting flow and enhancing snr performance in photoacoustic imaging applications
CA3057807C (en) 2007-11-29 2021-04-20 Thomas P. Robinson 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
CA2731409C (en) 2008-07-25 2016-01-05 Daniel Razansky 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
CA2739807C (en) 2008-10-30 2017-02-28 Fresenius Medical Care Holdings, Inc. Modular, portable dialysis system
WO2010114932A1 (en) 2009-03-31 2010-10-07 Xcorporeal, Inc. Modular reservoir assembly for a hemodialysis and hemofiltration system
CA2762562A1 (en) * 2009-05-19 2010-11-25 Endra, Inc. Thermoacoustic system for analyzing tissue
JP5566456B2 (ja) 2009-06-29 2014-08-06 ヘルムホルツ・ツェントルム・ミュンヒェン・ドイチェス・フォルシュンクスツェントルム・フューア・ゲズントハイト・ウント・ウムベルト（ゲーエムベーハー） 被写体を熱音響撮像するための撮像装置及び撮像方法、コンピュータプログラム並びにコンピュータで読み取り可能な記憶媒体を備える装置
US10292593B2 (en) * 2009-07-27 2019-05-21 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
WO2011097291A1 (en) * 2010-02-02 2011-08-11 Nellcor Puritan Bennett Llc 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
US12144655B2 (en) 2021-08-23 2024-11-19 Samsung Electronics Co., Ltd. Method and device for liveness detection
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 (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
EP1092124B1 (de) * 1998-06-30 2007-10-03 Lockheed Martin Corporation 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
US20050150309A1 (en) 2005-07-14
WO2003039364A3 (en) 2003-10-16
ES2257575T3 (es) 2006-08-01
DE60209026D1 (de) 2006-04-13
AU2002341180A1 (en) 2003-05-19
EP1443856B1 (de) 2006-02-01
EP1443856A2 (de) 2004-08-11
GB0126804D0 (en) 2002-01-02
DE60209026T2 (de) 2006-09-28
WO2003039364A2 (en) 2003-05-15

Similar Documents

Publication Publication Date Title
ATE316771T1 (de) Messung der blutflussgeschwindigkeit
WO2006052634A3 (en) Non-invasive measurement system and method for measuring the concentration of an optically-active substance
ATE331465T1 (de) Photoakustiche prufvorrichtung und bilderzeugungssystem
ATE492803T1 (de) Verfahren und vorrichtung zur nichtinvasiven untersuchung von lebendkörpercharakteristiken mittels photoakustik
ATE355865T1 (de) Messvorrichtung und -verfahren zur bestimmung von parametern medizinischer flüssigkeiten
DE50111306D1 (de) Vorrichtung zur Pulswellenlaufzeitbestimmung und extrakorporale Blutbehandlungseinrichtung mit einer solchen Vorrichtung
KR960009970A (ko) 생체 정보 계측 장치 및 팔목 장착형 맥파동 계측 장치
ATE411769T1 (de) Nichtinvasives messgerät für den lebenden körper
DK1077634T3 (da) Monitorering af fysiologiske analytter
DE602004031373D1 (de) Vorrichtung und verfahren zur überwachung von körperflüssigkeit und elektrolytenstörungen
DE69727220D1 (de) Vorrichtung zur darstellung der blutströmung in haargefässen
EP1562038A3 (de) Verfahren für laserinduzierte Fluoreszenz-Dämpfungs- Spektroskopie
HUT76991A (hu) Reflektometrikus készülék és tömlő, valamint eljárás reflektometrikus tömlő elhelyezésére
RU2014101952A (ru) Неинвазивное устройство и способ измерения уровня билирубина
SE0003796D0 (sv) Apparatus and method for monitoring
JPS6312940A (ja) 光ファイバ装置及びその装置によるパラメ−タの測定方法
ATE401035T1 (de) Verfahren und vorrichtung zur messung des dynamischen verhaltens des auges
ATE333093T1 (de) Akustisches verfahren zur bestimmung der zementverbindung in bohrlöchern
KR890700013A (ko) 동맥 혈액성분 측정용 산소 측정장치 및 그 방법
ATE464556T1 (de) Verfahren zur messung von lichtabsorptionseigenschaften einer biologischen gewebsprobe
DE60231561D1 (de) Kontinuierliche optoakustische überwachung von hämoglobinkonzentration und hämatokrit
EP4250314A3 (de) Zahnbürste und system zum nachweis von blut in einer mundhöhle während des zahnbürstens
ATE153132T1 (de) Verfahren und vorrichtung zur im wesentlichen dämpfungsunabhängigen messung der dichte von flüssigkeiten mittels ultraschall
DE69115577D1 (de) Optoakustische Zelle zur Messung von Konzentrationen chemischer Stoffe in Flüssigkeiten im allgemeinen
JPS6258735B2 (de)

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties