DE69729316D1 - Vorrichtung zur messung der blutströmung in mikrogefässen - Google Patents
Vorrichtung zur messung der blutströmung in mikrogefässenInfo
- 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
Links
- 230000017531 blood circulation Effects 0.000 title abstract 2
- 210000004088 microvessel Anatomy 0.000 title 1
- 230000008081 blood perfusion Effects 0.000 abstract 3
- 210000004369 blood Anatomy 0.000 abstract 1
- 239000008280 blood Substances 0.000 abstract 1
- 210000000601 blood cell Anatomy 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 230000003068 static effect Effects 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
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 (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
US20060013769A1 (en) * | 2004-07-16 | 2006-01-19 | Stephen Carter | Transdermal drug delivery formulations and method of determining optimal amounts of vasodilators therein |
US20060013866A1 (en) * | 2004-07-16 | 2006-01-19 | Carter Stephen G | Transdermal drug delivery formulations with 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 |
JP2008537903A (ja) | 2005-04-13 | 2008-10-02 | グルコライト・コーポレーシヨン | Octが基になった血糖モニターのデータ処理および較正方法 |
WO2006113394A2 (en) | 2005-04-15 | 2006-10-26 | Surgisense Corporation | Surgical instruments with sensors for detecting tissue properties, and systems 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 |
JP2010532699A (ja) * | 2007-07-06 | 2010-10-14 | インダストリアル リサーチ リミテッド | レーザスペックル画像化システム及び方法 |
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 |
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 |
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 |
WO2014092981A1 (en) * | 2012-12-12 | 2014-06-19 | Edwards Lifesciences Corporation | Removal of noise from structured signals |
EP2948049B1 (de) | 2013-01-24 | 2024-04-24 | Alio, Inc. | Prothese zur messung von flüssigkeitsströmungen in einem lumen |
US9924905B2 (en) | 2015-03-09 | 2018-03-27 | Graftworx, Inc. | Sensor position on a prosthesis for detection of a stenosis |
WO2018049412A1 (en) | 2016-09-12 | 2018-03-15 | Graftworx, 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 |
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 |
WO2023178078A1 (en) * | 2022-03-14 | 2023-09-21 | Tony Ko | Oct speckle velocimetry |
WO2024013293A1 (en) * | 2022-07-14 | 2024-01-18 | Trinamix Gmbh | Detector with temperature drift compensation |
Family Cites Families (8)
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 |
WO1991006244A1 (en) * | 1989-10-31 | 1991-05-16 | Gert Nilsson | A system and a method for measurement and presentation of fluid flow movements, particularly the flow of blood through a body organ |
JP3313841B2 (ja) * | 1993-09-24 | 2002-08-12 | 興和株式会社 | 血流測定装置 |
-
1996
- 1996-11-09 GB GBGB9623363.0A patent/GB9623363D0/en active Pending
-
1997
- 1997-11-07 AU AU48776/97A patent/AU4877697A/en not_active Abandoned
- 1997-11-07 AT AT97911365T patent/ATE267547T1/de not_active IP Right Cessation
- 1997-11-07 US US09/297,728 patent/US6173197B1/en not_active Expired - Lifetime
- 1997-11-07 DE DE69729316T patent/DE69729316T2/de not_active Expired - Lifetime
- 1997-11-07 EP EP97911365A patent/EP0949880B1/de not_active Expired - Lifetime
- 1997-11-07 WO PCT/GB1997/003074 patent/WO1998020794A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0949880A1 (de) | 1999-10-20 |
AU4877697A (en) | 1998-06-03 |
EP0949880B1 (de) | 2004-05-26 |
ATE267547T1 (de) | 2004-06-15 |
US6173197B1 (en) | 2001-01-09 |
GB9623363D0 (en) | 1997-01-08 |
DE69729316T2 (de) | 2005-06-23 |
WO1998020794A1 (en) | 1998-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |