DE602006013606D1 - Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt - Google Patents

Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt

Info

Publication number
DE602006013606D1
DE602006013606D1 DE602006013606T DE602006013606T DE602006013606D1 DE 602006013606 D1 DE602006013606 D1 DE 602006013606D1 DE 602006013606 T DE602006013606 T DE 602006013606T DE 602006013606 T DE602006013606 T DE 602006013606T DE 602006013606 D1 DE602006013606 D1 DE 602006013606D1
Authority
DE
Germany
Prior art keywords
tissue
self
laser
dopplereffekt
mixed
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.)
Active
Application number
DE602006013606T
Other languages
English (en)
Inventor
Cristian Presura
Antonius Akkermans
Carsten Heinks
Marijn Damstra
Daniela Tache
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602006013606D1 publication Critical patent/DE602006013606D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Mathematical Physics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring Volume Flow (AREA)
DE602006013606T 2005-02-10 2006-02-09 Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt Active DE602006013606D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05300108 2005-02-10
PCT/IB2006/050425 WO2006085278A2 (en) 2005-02-10 2006-02-09 Optical blood flow sensor using self-mixing doppler effect

Publications (1)

Publication Number Publication Date
DE602006013606D1 true DE602006013606D1 (de) 2010-05-27

Family

ID=36659806

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006013606T Active DE602006013606D1 (de) 2005-02-10 2006-02-09 Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt

Country Status (6)

Country Link
US (1) US20080188726A1 (de)
EP (1) EP1858404B1 (de)
JP (1) JP4855423B2 (de)
AT (1) ATE464004T1 (de)
DE (1) DE602006013606D1 (de)
WO (1) WO2006085278A2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
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KR20090027200A (ko) * 2006-06-12 2009-03-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 피부 모니터링 디바이스, 피부를 모니터링하는 방법, 모니터링 디바이스, 피부를 조사하는 방법 및 ｏｌｅｄ의 이용
WO2009040740A1 (en) * 2007-09-27 2009-04-02 Koninklijke Philips Electronics N.V. Blood oximeter
ITMI20090400A1 (it) * 2009-03-16 2010-09-17 Datamed Srl Metodo di misurazione della velocita' di un fluido e relativa apparecchiatura.
US9357933B2 (en) * 2010-01-19 2016-06-07 Donna Baldwin Continuous, non-invasive, optical blood pressure monitoring system
US9226673B2 (en) 2011-01-10 2016-01-05 East Carolina University Methods, systems and computer program products for non-invasive determination of blood flow distribution using speckle imaging techniques and hemodynamic modeling
US9271658B2 (en) 2011-01-10 2016-03-01 East Carolina University Methods, systems and computer program products for non-invasive determination of blood flow distribution using speckle imaging techniques and hemodynamic modeling
JP2012152493A (ja) * 2011-01-28 2012-08-16 Seiko Epson Corp 脈波信号計測装置、およびプログラム
US9848787B2 (en) 2012-02-07 2017-12-26 Laser Associated Sciences, Inc. Perfusion assessment using transmission laser speckle imaging
CN107257655B (zh) 2014-10-14 2020-06-16 东卡罗莱娜大学 用于利用从多谱段血液流动和灌注成像获取的信号确定血液动力学状态参数的方法、系统和计算机程序产品
US11553844B2 (en) 2014-10-14 2023-01-17 East Carolina University Methods, systems and computer program products for calculating MetaKG signals for regions having multiple sets of optical characteristics
WO2016061052A1 (en) 2014-10-14 2016-04-21 East Carolina University Methods, systems and computer program products for visualizing anatomical structures and blood flow and perfusion physiology using imaging techniques
EP3023908B1 (de) 2014-11-21 2020-10-21 Nokia Technologies Oy Vorrichtung, Verfahren und Computerprogramm zur Erkennung biometrischer Merkmale
US10390718B2 (en) 2015-03-20 2019-08-27 East Carolina University Multi-spectral physiologic visualization (MSPV) using laser imaging methods and systems for blood flow and perfusion imaging and quantification in an endoscopic design
US10058256B2 (en) 2015-03-20 2018-08-28 East Carolina University Multi-spectral laser imaging (MSLI) methods and systems for blood flow and perfusion imaging and quantification
US9970955B1 (en) 2015-05-26 2018-05-15 Verily Life Sciences Llc Methods for depth estimation in laser speckle imaging
IL239113A (en) 2015-06-01 2016-12-29 Elbit Systems Land & C4I Ltd A system and method for determining audio characteristics from a body
US10955275B2 (en) 2016-04-20 2021-03-23 Covidien Lp Systems and methods for calibrating and correcting a speckle contrast flowmeter
US10813597B2 (en) 2017-04-14 2020-10-27 The Regents Of The University Of California Non-invasive hemodynamic assessment via interrogation of biological tissue using a coherent light source
US11422638B2 (en) 2019-07-08 2022-08-23 Apple Inc. Input devices that use self-mixing interferometry to determine movement within an enclosure
US11409365B2 (en) * 2019-09-06 2022-08-09 Apple Inc. Self-mixing interferometry-based gesture input system including a wearable or handheld device
US11419546B2 (en) 2019-09-24 2022-08-23 Apple Inc. Wearable self-mixing interferometry device used to sense physiological conditions
EP4309573A1 (de) 2022-07-21 2024-01-24 Sonion Nederland B.V. Bestimmung eines parameters in bezug auf den blutfluss in einem blutdurchströmten teil unter verwendung eines vcsel

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US4596254A (en) * 1984-12-18 1986-06-24 Tsi Research Associates Limited Partnership Laser Doppler flow monitor
DE3768088D1 (de) * 1987-06-03 1991-03-28 Hewlett Packard Gmbh Verfahren zur bestimmung der perfusion.
US5620000A (en) * 1993-07-02 1997-04-15 Heidelberg Engineering, Optische Messsysteme Gmbh Method and apparatus for measuring flow rate, particularly of blood
JP3313841B2 (ja) * 1993-09-24 2002-08-12 興和株式会社 血流測定装置
DE19506484C2 (de) * 1995-02-24 1999-09-16 Stiftung Fuer Lasertechnologie Verfahren und Vorrichtung zur selektiven nichtinvasiven Lasermyographie (LMG)
EP0778001B1 (de) * 1995-05-12 2004-04-07 Seiko Epson Corporation Gerät zur diagnostizierung des zustandes vom lebenden organismus und steuereinheit
US5766127A (en) * 1996-04-15 1998-06-16 Ohmeda Inc. Method and apparatus for improved photoplethysmographic perfusion-index monitoring
GB9623363D0 (en) * 1996-11-09 1997-01-08 Moor Instr Ltd Apparatus for measuring microvascular blood flow
US6454722B1 (en) * 1999-08-31 2002-09-24 Canon Kabushiki Kaisha Doppler velocimeter for blood flow
US6699199B2 (en) * 2000-04-18 2004-03-02 Massachusetts Institute Of Technology Photoplethysmograph signal-to-noise line enhancement
JP2002350544A (ja) * 2001-05-29 2002-12-04 Minolta Co Ltd レーザドップラ速度計
US7339683B2 (en) * 2002-06-04 2008-03-04 Koninklijke Philips Electronics, N.V. Method of measuring the movement of an input device
TWI313835B (en) * 2002-06-04 2009-08-21 Koninkl Philips Electronics Nv Method of measuring the movement of an object relative to a user's input device and related input device,mobile phone apparatus, cordless phone apparatus, laptor computer, mouse and remote control
JP4071688B2 (ja) * 2003-05-12 2008-04-02 ローム株式会社 振動計測方法および装置
CN1950027B (zh) * 2004-04-29 2010-05-26 皇家飞利浦电子股份有限公司 用于检测血流的设备和方法

Also Published As

Publication number Publication date
JP4855423B2 (ja) 2012-01-18
EP1858404B1 (de) 2010-04-14
WO2006085278A3 (en) 2006-11-16
ATE464004T1 (de) 2010-04-15
EP1858404A2 (de) 2007-11-28
US20080188726A1 (en) 2008-08-07
JP2008529645A (ja) 2008-08-07
WO2006085278A2 (en) 2006-08-17

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