ATE464004T1 - Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt - Google Patents

Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt

Info

Publication number
ATE464004T1
ATE464004T1 AT06727615T AT06727615T ATE464004T1 AT E464004 T1 ATE464004 T1 AT E464004T1 AT 06727615 T AT06727615 T AT 06727615T AT 06727615 T AT06727615 T AT 06727615T AT E464004 T1 ATE464004 T1 AT E464004T1
Authority
AT
Austria
Prior art keywords
tissue
self
blood flow
laser
mixing
Prior art date
Application number
AT06727615T
Other languages
English (en)
Inventor
Cristian Presura
Antonius Akkermans
Carsten Heinks
Marijn Damstra
Daniela Tache
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE464004T1 publication Critical patent/ATE464004T1/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
    • A61B5/02—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
    • 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)
AT06727615T 2005-02-10 2006-02-09 Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt ATE464004T1 (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
ATE464004T1 true ATE464004T1 (de) 2010-04-15

Family

ID=36659806

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06727615T ATE464004T1 (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 (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007144817A1 (en) * 2006-06-12 2007-12-21 Koninklijke Philips Electronics N.V. Skin monitoring device, method of monitoring the skin, monitoring device, method of irradiating the skin, and use of an oled
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
EP3188651A4 (de) 2014-10-14 2018-07-04 East Carolina University Verfahren, systeme und computerprogrammprodukte zur visualisierung anatomischer strukturen und des blutflusses und der perfusionsphysiologie durch verwendung von bildgebungstechniken
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
US10792492B2 (en) 2014-10-14 2020-10-06 East Carolina University Methods, systems and computer program products for determining physiologic status parameters using signals derived from multispectral blood flow and perfusion imaging
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
CN114947795B (zh) * 2022-04-19 2026-02-17 中国科学院苏州纳米技术与纳米仿生研究所 一种血流流速的检测方法和检测装置
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
EP0293504B1 (de) * 1987-06-03 1991-02-20 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)
CN1226959C (zh) * 1995-05-12 2005-11-16 精工爱普生株式会社 活体状态的诊断装置和控制装置
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
AU2003239250A1 (en) * 2002-06-04 2003-12-19 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
JP4772036B2 (ja) * 2004-04-29 2011-09-14 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 血流を検出する装置及び方法

Also Published As

Publication number Publication date
WO2006085278A3 (en) 2006-11-16
JP2008529645A (ja) 2008-08-07
DE602006013606D1 (de) 2010-05-27
WO2006085278A2 (en) 2006-08-17
US20080188726A1 (en) 2008-08-07
EP1858404A2 (de) 2007-11-28
JP4855423B2 (ja) 2012-01-18
EP1858404B1 (de) 2010-04-14

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