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ATE267547T1 - Vorrichtung zur messung der blutströmung in mikrogefässen - Google Patents

Vorrichtung zur messung der blutströmung in mikrogefässen

Info

Publication number
ATE267547T1
ATE267547T1 AT97911365T AT97911365T ATE267547T1 AT E267547 T1 ATE267547 T1 AT E267547T1 AT 97911365 T AT97911365 T AT 97911365T AT 97911365 T AT97911365 T AT 97911365T AT E267547 T1 ATE267547 T1 AT E267547T1
Authority
AT
Austria
Prior art keywords
tissue
blood
scattered
records
recording
Prior art date
Application number
AT97911365T
Other languages
English (en)
Inventor
David Boggett
Xiabing Huang
Original Assignee
Moor Instr Ltd
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 Moor Instr Ltd filed Critical Moor Instr Ltd
Application granted granted Critical
Publication of ATE267547T1 publication Critical patent/ATE267547T1/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)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Physiology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AT97911365T 1996-11-09 1997-11-07 Vorrichtung zur messung der blutströmung in mikrogefässen ATE267547T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9623363.0A GB9623363D0 (en) 1996-11-09 1996-11-09 Apparatus for measuring microvascular blood flow
PCT/GB1997/003074 WO1998020794A1 (en) 1996-11-09 1997-11-07 Apparatus for measuring microvascular blood flow

Publications (1)

Publication Number Publication Date
ATE267547T1 true ATE267547T1 (de) 2004-06-15

Family

ID=10802709

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97911365T ATE267547T1 (de) 1996-11-09 1997-11-07 Vorrichtung zur messung der blutströmung in mikrogefässen

Country Status (7)

Country Link
US (1) US6173197B1 (de)
EP (1) EP0949880B1 (de)
AT (1) ATE267547T1 (de)
AU (1) AU4877697A (de)
DE (1) DE69729316T2 (de)
GB (1) GB9623363D0 (de)
WO (1) WO1998020794A1 (de)

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US6258046B1 (en) 1995-07-06 2001-07-10 Institute Of Critical Care Medicine Method and device for assessing perfusion failure in a patient by measurement of blood flow
US20040127800A1 (en) 1995-07-06 2004-07-01 Kimball Victor E. Device for assessing perfusion failure in a patient by measurement of blood flow
US6132380A (en) * 1998-09-16 2000-10-17 Massachusetts Institute Of Technology Method and apparatus for measuring perfusion of biological tissue by blood
US7113817B1 (en) * 2001-10-04 2006-09-26 Wintec, Llc Optical imaging of blood circulation velocities
US6939310B2 (en) * 2001-10-10 2005-09-06 Lifescan, Inc. Devices for physiological fluid sampling and methods of using the same
WO2003071384A2 (en) * 2002-02-15 2003-08-28 Eunoe, Inc. Systems and methods for flow detection and measurement in csf shunts
US20050119546A9 (en) * 2002-07-31 2005-06-02 Connell Reynolds Systems and methods for locating blood vessels
US8504054B2 (en) * 2002-09-10 2013-08-06 Qualcomm Incorporated System and method for multilevel scheduling
US7630321B2 (en) * 2002-09-10 2009-12-08 Qualcomm Incorporated System and method for rate assignment
US8165148B2 (en) * 2003-01-13 2012-04-24 Qualcomm Incorporated System and method for rate assignment
US7267651B2 (en) * 2003-04-25 2007-09-11 Board Of Control Of Michigan Technological Univ. Method and apparatus for blood flow measurement using millimeter wave band
US8133177B2 (en) 2003-09-23 2012-03-13 Vasamed, Inc. System and method for assessing capillary vitality
US20060013866A1 (en) * 2004-07-16 2006-01-19 Carter Stephen G Transdermal drug delivery formulations with optimal amounts of vasodilators therein
US20060013769A1 (en) * 2004-07-16 2006-01-19 Stephen Carter Transdermal drug delivery formulations and method of determining optimal amounts of vasodilators therein
US8036727B2 (en) 2004-08-11 2011-10-11 Glt Acquisition Corp. Methods for noninvasively measuring analyte levels in a subject
US20060058690A1 (en) 2004-09-10 2006-03-16 Optical Sensors, Inc. Method and instrument for automated measurement of skin perfusion pressure
ATE464004T1 (de) * 2005-02-10 2010-04-15 Koninkl Philips Electronics Nv Optischer blutflussmesser unter verwendung von selbstmisch-dopplereffekt
EP1874178A4 (de) 2005-04-13 2009-12-09 Glucolight Corp Verfahren zur datenreduzierung und kalibrierung eines blutzuckermonitors auf oct-basis
CN103622725B (zh) 2005-04-15 2018-02-02 塞基森斯公司 用于检测组织特性具有传感器的外科器械，和使用所述器械的系统
US9254220B1 (en) 2006-08-29 2016-02-09 Vasamed, Inc. Method and system for assessing severity and stage of peripheral arterial disease and lower extremity wounds using angiosome mapping
DE102007063626A1 (de) * 2007-04-19 2009-09-10 Carl Zeiss Surgical Gmbh Verfahren und Vorrichtung zum Darstellen eines Feldes eines Gehirns eines Patienten und Navigationssystem für Gehirnoperationen
EP2166934A4 (de) * 2007-07-06 2012-10-17 Ind Res Ltd Systeme und verfahren zur abbildung von laser-speckles
US8571617B2 (en) 2008-03-04 2013-10-29 Glt Acquisition Corp. Flowometry in optical coherence tomography for analyte level estimation
GB0921477D0 (en) 2009-12-08 2010-01-20 Moor Instr Ltd Apparatus for measuring blood parameters
RU2456917C1 (ru) * 2011-03-17 2012-07-27 Федеральное государственное учреждение "Московский научно-исследовательский институт глазных болезней им. Гельмгольца" Министерства здравоохранения и социального развития Российской Федерации Способ прогнозирования риска отторжения свободного полнослойного кожного аутотрансплантата при реконструкции века
CN104042175A (zh) * 2011-12-30 2014-09-17 广州宝胆医疗器械科技有限公司 多普勒激光宫腔镜系统
CN103932663A (zh) * 2011-12-30 2014-07-23 广州宝胆医疗器械科技有限公司 多普勒激光电子胃镜系统
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
WO2014092981A1 (en) * 2012-12-12 2014-06-19 Edwards Lifesciences Corporation Removal of noise from structured signals
US9427305B2 (en) 2013-01-24 2016-08-30 GraftWorx, LLC Method and apparatus for measuring flow through a lumen
US9924905B2 (en) 2015-03-09 2018-03-27 Graftworx, Inc. Sensor position on a prosthesis for detection of a stenosis
US11406274B2 (en) 2016-09-12 2022-08-09 Alio, Inc. Wearable device with multimodal diagnostics
JP6820706B2 (ja) * 2016-09-27 2021-01-27 京セラ株式会社 電子装置、制御方法及びプログラム
US11529078B2 (en) 2016-12-05 2022-12-20 Air Water Biodesign Inc. Fluid evaluation apparatus and method, computer program, and recording medium
RU2636880C1 (ru) * 2016-12-26 2017-11-28 Общество с ограниченной ответственностью "ЦИИР ЭОС-Медика" (ООО "ЦИИР ЭОС-Медика") Устройство для неинвазивного измерения потока микроциркуляции крови
JP7019962B2 (ja) * 2017-04-25 2022-02-16 セイコーエプソン株式会社 流体解析装置、血流解析装置および流体解析方法
JP6996224B2 (ja) * 2017-10-26 2022-01-17 セイコーエプソン株式会社 血流解析装置、血流解析方法およびプログラム
GB201809229D0 (en) * 2018-06-05 2018-07-25 Moor Instruments Ltd Optical coherence imager
JP2020137937A (ja) * 2019-03-01 2020-09-03 ソニー株式会社 血流測定装置
JP7262079B2 (ja) * 2019-06-27 2023-04-21 廉士 澤田 生体センサ
WO2023027412A1 (en) * 2021-08-23 2023-03-02 Samsung Electronics Co., Ltd. Method and device for liveness detection
US12144655B2 (en) 2021-08-23 2024-11-19 Samsung Electronics Co., Ltd. Method and device for liveness detection
DE23771572T1 (de) * 2022-03-14 2025-03-27 Topcon Corporation Oct-speckle-geschwindigkeitsmessung
KR20250036136A (ko) * 2022-07-14 2025-03-13 트리나미엑스 게엠베하 온도 드리프트 보상

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511227A (en) 1967-02-27 1970-05-12 Univ Utah Measurement of blood flow using coherent radiation and doppler effect
US4109647A (en) 1977-03-16 1978-08-29 The United States Of America As Represented By The Secretary Of The Department Of Health, Education And Welfare Method of and apparatus for measurement of blood flow using coherent light
SE8400289D0 (sv) * 1984-01-20 1984-01-20 Perimed Kb Sett och anordning for bestemning av blodflodet i de ytliga blodkerlen hos en vevnad
US4596254A (en) 1984-12-18 1986-06-24 Tsi Research Associates Limited Partnership Laser Doppler flow monitor
AU608807B2 (en) * 1987-03-03 1991-04-18 Hitoshi Fujii Apparatus for monitoring bloodstream
GB8907101D0 (en) 1989-03-29 1989-05-10 Nat Res Dev Blood flow determination
EP0497859B1 (de) 1989-10-31 1996-03-13 NILSSON, Gert Anordnung und verfahren zum messen und darstellen von flüssigkeitsströmen, insbesondere der blutströmung durch ein körperorgan
JP3313841B2 (ja) * 1993-09-24 2002-08-12 興和株式会社 血流測定装置

Also Published As

Publication number Publication date
DE69729316T2 (de) 2005-06-23
AU4877697A (en) 1998-06-03
GB9623363D0 (en) 1997-01-08
US6173197B1 (en) 2001-01-09
WO1998020794A1 (en) 1998-05-22
EP0949880A1 (de) 1999-10-20
EP0949880B1 (de) 2004-05-26
DE69729316D1 (de) 2004-07-01

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