ATE464004T1 - Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt - Google Patents
Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffektInfo
- 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
Links
- 230000017531 blood circulation Effects 0.000 title abstract 2
- 230000000694 effects Effects 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 title 1
- 210000000601 blood cell Anatomy 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 210000004027 cell Anatomy 0.000 abstract 1
- 230000009087 cell motility Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
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)
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 (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2006
- 2006-02-09 US US11/815,668 patent/US20080188726A1/en not_active Abandoned
- 2006-02-09 DE DE602006013606T patent/DE602006013606D1/de active Active
- 2006-02-09 JP JP2007554718A patent/JP4855423B2/ja active Active
- 2006-02-09 AT AT06727615T patent/ATE464004T1/de not_active IP Right Cessation
- 2006-02-09 WO PCT/IB2006/050425 patent/WO2006085278A2/en active Application Filing
- 2006-02-09 EP EP06727615A patent/EP1858404B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
JP4855423B2 (ja) | 2012-01-18 |
EP1858404B1 (de) | 2010-04-14 |
WO2006085278A3 (en) | 2006-11-16 |
DE602006013606D1 (de) | 2010-05-27 |
EP1858404A2 (de) | 2007-11-28 |
US20080188726A1 (en) | 2008-08-07 |
JP2008529645A (ja) | 2008-08-07 |
WO2006085278A2 (en) | 2006-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE464004T1 (de) | Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt | |
EP2175396A3 (de) | Optische Authentifizierung | |
ATE267547T1 (de) | Vorrichtung zur messung der blutströmung in mikrogefässen | |
DE502008001698D1 (de) | Vorrichtung zur tomografischen Erfassung von Objekten | |
BRPI0418899A (pt) | método e dispositivo para determinar um parámetro de tecido vivo | |
SE0800724L (sv) | Blodviskositetsanalys | |
EP2492647A3 (de) | Skala, optischer Codierer und optische Vorrichtung | |
EP2541274A3 (de) | Elektronisches Abstandsmessverfahren und elektronisches Abstandsmessinstrument | |
ATE508427T1 (de) | Vorrichtung zur messung von erhöhungen und/oder vertiefungen einer oberfläche | |
JP2003028753A5 (de) | ||
KR20150146415A (ko) | 동적 광산란 측정 장치 및 동적 광산란 측정 방법 | |
EP2096430A3 (de) | Vorrichtung und Verfahren zur Bildgebung unter Verwendung kohärenter Anti-Stokes-Raman-Streuung | |
EP2282195A3 (de) | Verfahren zum Messen der Fluoreszenzlichtmenge oder der Lichtaufnahmemenge und Vorrichtung zu deren Messung | |
DE602006002728D1 (de) | Zufallszahlenerzeugung unter verwendung eines streuenden wellenleiters | |
ATE409846T1 (de) | Verfahren und vorrichtung zur erfassung der oberflächenform einer teilspiegelnden oberfläche | |
ATE515678T1 (de) | Optisches messgerät und messverfahren | |
ATE474204T1 (de) | Verfahren und anordnung für die optische kohärenztomographie | |
US20130094025A1 (en) | Component concentration measurement device and component concentration measurement method | |
ATE372509T1 (de) | Verfahren zur messung von teilcheneigenschaften mittels interferenzstreifenanalyse und entsprechende vorrichtung | |
ATE545856T1 (de) | Verfahren und vorrichtung zur polarisationsabhängigen und ortsaufgelösten untersuchung einer oberfläche oder einer schicht | |
ATE496576T1 (de) | Tragbares körperfett-messgerät, -verfahren und medium mit seitenansicht-lichtquellen | |
JP2000275107A5 (de) | ||
CN102160791A (zh) | 自混合相干激光雷达无创血糖测量系统 | |
RU2007137507A (ru) | Способ обеспечения точности и однозначности измерений высоты микрорельефа поверхности интерференционными методами на основе использования эффекта генерации отраженной гигантской второй гармоники | |
JP2008264327A (ja) | 生体情報測定装置及び生体情報測定装置の制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |