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 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
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)

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US8105487B2 (en) 2007-09-25 2012-01-31 Fresenius Medical Care Holdings, Inc. Manifolds for use in conducting dialysis
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EP2459987A1 (de) * 2009-07-27 2012-06-06 Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Bildgebungsvorrichtung und verfahren zur optoakustischen bildgebung von kleintieren
US20110083509A1 (en) * 2009-10-09 2011-04-14 Nellcor Puritan Bennett Llc Photoacoustic Spectroscopy With Focused Light
US20110190612A1 (en) * 2010-02-02 2011-08-04 Nellcor Puritan Bennett Llc Continous 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
GB2534669A (en) * 2012-05-03 2016-08-03 Los Alamos Nat 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
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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
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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Also Published As

Publication number Publication date
US20050150309A1 (en) 2005-07-14
ES2257575T3 (es) 2006-08-01
DE60209026D1 (de) 2006-04-13
EP1443856B1 (de) 2006-02-01
DE60209026T2 (de) 2006-09-28
EP1443856A2 (de) 2004-08-11
WO2003039364A2 (en) 2003-05-15
GB0126804D0 (en) 2002-01-02
AU2002341180A1 (en) 2003-05-19
WO2003039364A3 (en) 2003-10-16

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