SE9102421L - En metod och en anordning foer att reducera den avstaandsberoende foerstaerkningsfaktorn vid maetning av stroemningsroerelser med en bildgivande laser-doppler teknik, i synnerhet vid maetning av blodperfusion genom en vaevnad - Google Patents
En metod och en anordning foer att reducera den avstaandsberoende foerstaerkningsfaktorn vid maetning av stroemningsroerelser med en bildgivande laser-doppler teknik, i synnerhet vid maetning av blodperfusion genom en vaevnadInfo
- Publication number
- SE9102421L SE9102421L SE9102421A SE9102421A SE9102421L SE 9102421 L SE9102421 L SE 9102421L SE 9102421 A SE9102421 A SE 9102421A SE 9102421 A SE9102421 A SE 9102421A SE 9102421 L SE9102421 L SE 9102421L
- Authority
- SE
- Sweden
- Prior art keywords
- distance
- pct
- blood perfusion
- detector
- seating
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000008081 blood perfusion Effects 0.000 title abstract 2
- 238000003384 imaging method Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 abstract 2
- 230000003321 amplification Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Hematology (AREA)
- Physiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9102421A SE468925B (sv) | 1991-08-22 | 1991-08-22 | En metod och en anordning foer att reducera den avstaandsberoende foerstaerkningsfaktorn vid maetning av stroemningsroerelser med en bildgivande laser-doppler teknik, i synnerhet vid maetning av blodperfusion genom en vaevnad |
PCT/SE1992/000570 WO1993003667A1 (en) | 1991-08-22 | 1992-08-21 | A method and a system for reducing the distance-dependent amplification factor when measuring fluid flow movements with an image-producing laser-doppler technique |
EP92918657A EP0555452B1 (en) | 1991-08-22 | 1992-08-21 | A method and a system for reducing the distance-dependent amplification factor when measuring fluid flow movements with an image-producing laser-doppler technique |
US08/039,410 US5361769A (en) | 1991-08-22 | 1992-08-21 | Method and a system for measuring fluid flow movements by a laser-doppler technique |
JP5504259A JPH06501641A (ja) | 1991-08-22 | 1992-08-21 | 画像形成レーザドップラー技術で流体の流れの動きを測定する際に距離依存の増幅率を縮小するための方法およびシステム |
DE69206776T DE69206776T2 (de) | 1991-08-22 | 1992-08-21 | Verfahren und anordnung zur verminderung des abstandsabhängigen verstärkungsfaktores beim messen und darstellen von flüssigkeitsströmen mittels laser-doppler-technik |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9102421A SE468925B (sv) | 1991-08-22 | 1991-08-22 | En metod och en anordning foer att reducera den avstaandsberoende foerstaerkningsfaktorn vid maetning av stroemningsroerelser med en bildgivande laser-doppler teknik, i synnerhet vid maetning av blodperfusion genom en vaevnad |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9102421D0 SE9102421D0 (sv) | 1991-08-22 |
SE9102421L true SE9102421L (sv) | 1993-02-23 |
SE468925B SE468925B (sv) | 1993-04-19 |
Family
ID=20383524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9102421A SE468925B (sv) | 1991-08-22 | 1991-08-22 | En metod och en anordning foer att reducera den avstaandsberoende foerstaerkningsfaktorn vid maetning av stroemningsroerelser med en bildgivande laser-doppler teknik, i synnerhet vid maetning av blodperfusion genom en vaevnad |
Country Status (6)
Country | Link |
---|---|
US (1) | US5361769A (sv) |
EP (1) | EP0555452B1 (sv) |
JP (1) | JPH06501641A (sv) |
DE (1) | DE69206776T2 (sv) |
SE (1) | SE468925B (sv) |
WO (1) | WO1993003667A1 (sv) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4322043C2 (de) * | 1993-07-02 | 1995-07-20 | Heidelberg Engineering Optisch | Verfahren und Gerät zur Messung der Fließgeschwindigkeit, insbesondere des Blutes |
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 |
GB9411231D0 (en) * | 1994-06-04 | 1994-07-27 | Kellam Keith | Laser doppler microscopy methods and instruments |
US6032070A (en) * | 1995-06-07 | 2000-02-29 | University Of Arkansas | Method and apparatus for detecting electro-magnetic reflection from biological tissue |
DE59709832D1 (de) * | 1996-09-05 | 2003-05-22 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Erfassen 3-dimensionaler Strömungsstrukturen |
US5954658A (en) * | 1997-03-21 | 1999-09-21 | Gorti; Sridhar | Method and apparatus for measuring blood flow at precise depths in tissue and skin |
US6132380A (en) * | 1998-09-16 | 2000-10-17 | Massachusetts Institute Of Technology | Method and apparatus for measuring perfusion of biological tissue by blood |
AT409451B (de) * | 1999-12-14 | 2002-08-26 | Hoffmann La Roche | Vorrichtung zur bestimmung der örtlichen verteilung einer messgrösse |
US6996256B2 (en) * | 2000-06-08 | 2006-02-07 | Honeywell International Inc. | Detection system and method using thermal image analysis |
US6854879B2 (en) * | 2001-04-19 | 2005-02-15 | Honeywell International Inc. | System and method using thermal image analysis for polygraph testing |
US7111980B2 (en) | 2001-04-19 | 2006-09-26 | Honeywell International Inc. | System and method using thermal image analysis and slope threshold classification for polygraph testing |
US7128714B1 (en) | 2003-12-24 | 2006-10-31 | The United States Of America As Represented By The Secretary Of The Navy | Non-contact waveform monitor |
GB2413078C (en) | 2004-01-08 | 2012-08-15 | Dialog Devices Ltd | A system or method for assessing a subject's pedalblood circulation. |
SE0401004D0 (sv) * | 2004-04-19 | 2004-04-19 | Gert Nilsson | Non-invasive method to monitor microcalculation |
US7138905B2 (en) * | 2004-11-18 | 2006-11-21 | Honeywell International Inc. | Controlled environment thermal image detection system and methods regarding same |
US20070122344A1 (en) | 2005-09-02 | 2007-05-31 | University Of Rochester Medical Center Office Of Technology Transfer | Intraoperative determination of nerve location |
JP2007125144A (ja) * | 2005-11-02 | 2007-05-24 | Omega Wave Kk | レーザー血流画像装置 |
US8838210B2 (en) * | 2006-06-29 | 2014-09-16 | AccuView, Inc. | Scanned laser vein contrast enhancer using a single laser |
US20080161744A1 (en) | 2006-09-07 | 2008-07-03 | University Of Rochester Medical Center | Pre-And Intra-Operative Localization of Penile Sentinel Nodes |
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 |
DE102007048362B9 (de) * | 2007-10-09 | 2017-08-17 | Carl Zeiss Meditec Ag | System und Verfahren zum Untersuchen eines Objekts |
US8858787B2 (en) | 2007-10-22 | 2014-10-14 | Baxter International Inc. | Dialysis system having non-invasive fluid velocity sensing |
US8406860B2 (en) | 2008-01-25 | 2013-03-26 | Novadaq Technologies Inc. | Method for evaluating blush in myocardial tissue |
US10219742B2 (en) | 2008-04-14 | 2019-03-05 | Novadaq Technologies ULC | Locating and analyzing perforator flaps for plastic and reconstructive surgery |
EP2285421B1 (en) | 2008-05-02 | 2018-04-11 | Novadaq Technologies ULC | Methods for production and use of substance-loaded erythrocytes for observation and treatment of microvascular hemodynamics |
US10492671B2 (en) | 2009-05-08 | 2019-12-03 | Novadaq Technologies ULC | Near infra red fluorescence imaging for visualization of blood vessels during endoscopic harvest |
ES2375386B1 (es) * | 2010-07-21 | 2012-09-27 | Abengoa Solar New Technologies, S.A. | Reflectómetro portátil y método de caracterización de espejos de centrales termosolares. |
WO2013190391A2 (en) | 2012-06-21 | 2013-12-27 | Novadaq Technologies Inc. | Quantification and analysis of angiography and perfusion |
JP2016533814A (ja) * | 2013-08-14 | 2016-11-04 | ナンヤン テクノロジカル ユニヴァーシティー | 血行再建の評価のためのシステムおよび方法 |
JP6549705B2 (ja) | 2014-09-29 | 2019-07-24 | ノバダック テクノロジーズ ユーエルシー | 自己蛍光の存在下での、生物的物質内のターゲット蛍光体のイメージング |
JP6487544B2 (ja) | 2014-10-09 | 2019-03-20 | ノバダック テクノロジーズ ユーエルシー | 蛍光媒介光電式容積脈波記録法を用いた組織中の絶対血流の定量化 |
CN107088071B (zh) * | 2016-02-17 | 2021-10-15 | 松下知识产权经营株式会社 | 生物体信息检测装置 |
WO2018145193A1 (en) | 2017-02-10 | 2018-08-16 | Novadaq Technologies ULC | Open-field handheld fluorescence imaging systems and methods |
CN109247910B (zh) * | 2017-07-12 | 2020-12-15 | 京东方科技集团股份有限公司 | 血管显示设备以及血管显示方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5339817A (en) * | 1989-10-31 | 1994-08-23 | Gert Nilsson | System and a method for measurement and presentation of fluid flow movements, particularly the flow of blood through a body organ |
JP3021628B2 (ja) * | 1990-11-27 | 2000-03-15 | 興和株式会社 | 血流測定装置 |
-
1991
- 1991-08-22 SE SE9102421A patent/SE468925B/sv not_active IP Right Cessation
-
1992
- 1992-08-21 US US08/039,410 patent/US5361769A/en not_active Expired - Fee Related
- 1992-08-21 DE DE69206776T patent/DE69206776T2/de not_active Expired - Fee Related
- 1992-08-21 EP EP92918657A patent/EP0555452B1/en not_active Expired - Lifetime
- 1992-08-21 JP JP5504259A patent/JPH06501641A/ja active Pending
- 1992-08-21 WO PCT/SE1992/000570 patent/WO1993003667A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE69206776D1 (de) | 1996-01-25 |
EP0555452A1 (en) | 1993-08-18 |
SE468925B (sv) | 1993-04-19 |
JPH06501641A (ja) | 1994-02-24 |
DE69206776T2 (de) | 1996-05-30 |
SE9102421D0 (sv) | 1991-08-22 |
WO1993003667A1 (en) | 1993-03-04 |
US5361769A (en) | 1994-11-08 |
EP0555452B1 (en) | 1995-12-13 |
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