DE69729316D1 - Vorrichtung zur messung der blutströmung in mikrogefässen - Google Patents

Vorrichtung zur messung der blutströmung in mikrogefässen

Info

Publication number
DE69729316D1
DE69729316D1 DE69729316T DE69729316T DE69729316D1 DE 69729316 D1 DE69729316 D1 DE 69729316D1 DE 69729316 T DE69729316 T DE 69729316T DE 69729316 T DE69729316 T DE 69729316T DE 69729316 D1 DE69729316 D1 DE 69729316D1
Authority
DE
Germany
Prior art keywords
tissue
blood
scattered
records
recording
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.)
Expired - Lifetime
Application number
DE69729316T
Other languages
English (en)
Other versions
DE69729316T2 (de
Inventor
David Boggett
Xiabing Huang
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.)
MOOR INSTR Ltd
Moor Instruments Ltd
Original Assignee
MOOR INSTR Ltd
Moor Instruments 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, Moor Instruments Ltd filed Critical MOOR INSTR Ltd
Application granted granted Critical
Publication of DE69729316D1 publication Critical patent/DE69729316D1/de
Publication of DE69729316T2 publication Critical patent/DE69729316T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69729316T 1996-11-09 1997-11-07 Vorrichtung zur messung der blutströmung in mikrogefässen Expired - Lifetime DE69729316T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9623363 1996-11-09
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 (2)

Publication Number Publication Date
DE69729316D1 true DE69729316D1 (de) 2004-07-01
DE69729316T2 DE69729316T2 (de) 2005-06-23

Family

ID=10802709

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729316T Expired - Lifetime DE69729316T2 (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)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040127800A1 (en) 1995-07-06 2004-07-01 Kimball Victor E. Device for assessing perfusion failure in a patient by measurement of blood flow
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
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
US7630321B2 (en) * 2002-09-10 2009-12-08 Qualcomm Incorporated System and method for rate assignment
US8504054B2 (en) * 2002-09-10 2013-08-06 Qualcomm Incorporated System and method for multilevel scheduling
US8165148B2 (en) * 2003-01-13 2012-04-24 Qualcomm Incorporated System and method for rate assignment
WO2004096051A1 (en) * 2003-04-25 2004-11-11 Board Of Control Of Michigan Technological University 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
JP4855423B2 (ja) * 2005-02-10 2012-01-18 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 血流センサ
WO2006110859A2 (en) 2005-04-13 2006-10-19 Glucolight Corporation Method for data reduction and calibration of an oct-based blood glucose monitor
US9204830B2 (en) * 2005-04-15 2015-12-08 Surgisense Corporation Surgical instruments with sensors for detecting tissue properties, and system using such instruments
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
US9226661B2 (en) * 2007-07-06 2016-01-05 Industrial Research Limited Laser speckle imaging systems and methods
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
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
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
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
CN107072505B (zh) 2014-04-05 2021-03-12 手术感应设备公司 用于组织氧合的绘制的装置、系统和方法
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
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
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
WO2018235019A1 (en) 2017-06-23 2018-12-27 3M Innovative Properties Company Patient warming system with monitoring and feedback capability
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
WO2023178078A1 (en) * 2022-03-14 2023-09-21 Tony Ko Oct speckle velocimetry
KR20250036136A (ko) * 2022-07-14 2025-03-13 트리나미엑스 게엠베하 온도 드리프트 보상
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
US12471795B2 (en) * 2022-08-04 2025-11-18 Hamad Bin Khalifa University Integrated laser doppler blood flow measurement system and methods of use
CN116269292B (zh) * 2023-02-23 2025-08-29 深圳市浓华生物电子科技有限公司 一种漫射光子自相关血流测量计算方法
WO2025154424A1 (ja) * 2024-01-17 2025-07-24 ソニーグループ株式会社 情報処理装置、情報処理方法、及びプログラム

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
DE69025950T2 (de) * 1989-10-31 1996-09-05 Gert Nilsson 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
GB9623363D0 (en) 1997-01-08
AU4877697A (en) 1998-06-03
EP0949880B1 (de) 2004-05-26
WO1998020794A1 (en) 1998-05-22
DE69729316T2 (de) 2005-06-23
US6173197B1 (en) 2001-01-09
ATE267547T1 (de) 2004-06-15
EP0949880A1 (de) 1999-10-20

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