DE69032618T2 - Bestimmung der blutströmung - Google Patents
Bestimmung der blutströmungInfo
- Publication number
- DE69032618T2 DE69032618T2 DE69032618T DE69032618T DE69032618T2 DE 69032618 T2 DE69032618 T2 DE 69032618T2 DE 69032618 T DE69032618 T DE 69032618T DE 69032618 T DE69032618 T DE 69032618T DE 69032618 T2 DE69032618 T2 DE 69032618T2
- Authority
- DE
- Germany
- Prior art keywords
- determination
- blood flow
- blood
- flow
- 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 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Cardiology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898907101A GB8907101D0 (en) | 1989-03-29 | 1989-03-29 | Blood flow determination |
PCT/GB1990/000459 WO1990011044A1 (en) | 1989-03-29 | 1990-03-28 | Blood flow determination |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69032618D1 DE69032618D1 (de) | 1998-10-08 |
DE69032618T2 true DE69032618T2 (de) | 1999-01-28 |
Family
ID=10654131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69032618T Expired - Lifetime DE69032618T2 (de) | 1989-03-29 | 1990-03-28 | Bestimmung der blutströmung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5588437A (de) |
EP (1) | EP0465524B1 (de) |
JP (1) | JP3239952B2 (de) |
DE (1) | DE69032618T2 (de) |
GB (2) | GB8907101D0 (de) |
IL (1) | IL93909A (de) |
WO (1) | WO1990011044A1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3142867B2 (ja) * | 1989-10-31 | 2001-03-07 | ニルソン,ゲルト | 流体の流動、特に体の器官を通る血液の流れを測定しかつ表示するためのシステム |
JP3021628B2 (ja) * | 1990-11-27 | 2000-03-15 | 興和株式会社 | 血流測定装置 |
SE468925B (sv) * | 1991-08-22 | 1993-04-19 | Gert Nilsson | 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 |
US5620000A (en) * | 1993-07-02 | 1997-04-15 | Heidelberg Engineering, Optische Messsysteme Gmbh | Method and apparatus for measuring flow rate, particularly of blood |
US5999843A (en) * | 1995-01-03 | 1999-12-07 | Omnicorder Technologies, Inc. | Detection of cancerous lesions by their effect on the spatial homogeneity of skin temperature |
US5961466A (en) * | 1995-01-03 | 1999-10-05 | Omnicorder Technologies, Inc. | Method of detection of cancerous lesions by their effect on the spatial distribution of modulation of temperature and homogeneity of tissue |
US6035225A (en) * | 1995-01-03 | 2000-03-07 | Omnicorder Technologies | Detection of cancerous lesions by measuring nitric oxide concentrations in tissue |
US5810010A (en) * | 1995-01-03 | 1998-09-22 | Anbar; Michael | Detection of cancerous lesions by their effect on the periodic modulation of perfusion in the surrounding tissues |
US6375615B1 (en) * | 1995-10-13 | 2002-04-23 | Transvascular, Inc. | Tissue penetrating catheters having integral imaging transducers and their methods of use |
GB9610700D0 (en) * | 1996-05-22 | 1996-07-31 | Moor Instr Ltd | Apparatus for imaging microvascular blood flow |
GB9623363D0 (en) * | 1996-11-09 | 1997-01-08 | Moor Instr Ltd | Apparatus for measuring microvascular blood flow |
GB2351197B (en) * | 1996-11-09 | 2001-02-21 | Moor Instr Ltd | Apparatus for measuring microvascular blood flow |
US5830137A (en) * | 1996-11-18 | 1998-11-03 | University Of South Florida | Green light pulse oximeter |
AU6633798A (en) | 1998-03-09 | 1999-09-27 | Gou Lite Ltd. | Optical translation measurement |
US6424407B1 (en) | 1998-03-09 | 2002-07-23 | Otm Technologies Ltd. | Optical translation measurement |
US6132380A (en) * | 1998-09-16 | 2000-10-17 | Massachusetts Institute Of Technology | Method and apparatus for measuring perfusion of biological tissue by blood |
US6650928B1 (en) | 2000-11-27 | 2003-11-18 | Ge Medical Systems Global Technology Company, Llc | Color parametric and composite maps for CT perfusion |
US7155273B2 (en) * | 2002-07-29 | 2006-12-26 | Taylor Geoffrey L | Blanching response pressure sore detector apparatus and method |
US7214195B2 (en) * | 2003-07-23 | 2007-05-08 | Lockheed Martin Corporation | Method of and apparatus for detecting diseased tissue by sensing two bands of infrared radiation |
AU2004203059A1 (en) * | 2004-06-08 | 2005-12-22 | The Government Of The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services, Centers For Disease Control And Prevention | Apparatus and method for assessing peripheral circulation to evaluate a physiological condition |
JP2007125144A (ja) * | 2005-11-02 | 2007-05-24 | Omega Wave Kk | レーザー血流画像装置 |
JP5340262B2 (ja) * | 2008-04-03 | 2013-11-13 | 国立大学法人九州工業大学 | 皮下血流測定を利用した個人認証方法及び個人認証装置 |
US9728061B2 (en) | 2010-04-22 | 2017-08-08 | Leaf Healthcare, Inc. | Systems, devices and methods for the prevention and treatment of pressure ulcers, bed exits, falls, and other conditions |
US10631732B2 (en) | 2009-03-24 | 2020-04-28 | Leaf Healthcare, Inc. | Systems and methods for displaying sensor-based user orientation information |
US11278237B2 (en) | 2010-04-22 | 2022-03-22 | Leaf Healthcare, Inc. | Devices, systems, and methods for preventing, detecting, and treating pressure-induced ischemia, pressure ulcers, and other conditions |
US10020075B2 (en) | 2009-03-24 | 2018-07-10 | Leaf Healthcare, Inc. | Systems and methods for monitoring and/or managing patient orientation using a dynamically adjusted relief period |
US11272860B2 (en) | 2010-04-22 | 2022-03-15 | Leaf Healthcare, Inc. | Sensor device with a selectively activatable display |
US11051751B2 (en) | 2010-04-22 | 2021-07-06 | Leaf Healthcare, Inc. | Calibrated systems, devices and methods for preventing, detecting, and treating pressure-induced ischemia, pressure ulcers, and other conditions |
US10140837B2 (en) | 2010-04-22 | 2018-11-27 | Leaf Healthcare, Inc. | Systems, devices and methods for the prevention and treatment of pressure ulcers, bed exits, falls, and other conditions |
US10758162B2 (en) | 2010-04-22 | 2020-09-01 | Leaf Healthcare, Inc. | Systems, devices and methods for analyzing a person status based at least on a detected orientation of the person |
JP6192032B2 (ja) | 2010-04-22 | 2017-09-06 | リーフ ヘルスケア インコーポレイテッド | 患者の生理学的状況をモニタリングするシステム |
US11369309B2 (en) | 2010-04-22 | 2022-06-28 | Leaf Healthcare, Inc. | Systems and methods for managing a position management protocol based on detected inclination angle of a person |
US9655546B2 (en) | 2010-04-22 | 2017-05-23 | Leaf Healthcare, Inc. | Pressure Ulcer Detection Methods, Devices and Techniques |
US10588565B2 (en) | 2010-04-22 | 2020-03-17 | Leaf Healthcare, Inc. | Calibrated systems, devices and methods for preventing, detecting, and treating pressure-induced ischemia, pressure ulcers, and other conditions |
US11980449B2 (en) | 2010-04-22 | 2024-05-14 | Leaf Healthcare, Inc. | Systems and methods for monitoring orientation and biometric data using acceleration data |
EP2586366B1 (de) * | 2010-06-24 | 2016-04-06 | Pioneer Corporation | Fotodetektionsvorrichtung und flüssigkeitsmessvorrichtung |
KR102560710B1 (ko) * | 2016-08-24 | 2023-07-27 | 삼성전자주식회사 | 광학적 스펙클을 이용하는 장치 및 방법 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3724932A (en) * | 1971-04-09 | 1973-04-03 | Stanford Research Inst | Eye tracker and method |
GB1564315A (en) * | 1976-04-01 | 1980-04-10 | Secr Defence | Method and apparatus for measuring retinal blood flow |
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 |
JPS608819B2 (ja) * | 1978-04-24 | 1985-03-06 | 北海道大学長 | 生体系の光学測定方式 |
US4346991A (en) * | 1979-10-31 | 1982-08-31 | National Research Development Corporation | Method and apparatus for measuring retinal blood flow |
JPS5920820A (ja) * | 1982-07-28 | 1984-02-02 | Aloka Co Ltd | 超音波血流画像形成装置 |
DE3245939C2 (de) * | 1982-12-11 | 1985-12-19 | Fa. Carl Zeiss, 7920 Heidenheim | Vorrichtung zur Erzeugung eines Bildes des Augenhintergrundes |
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 |
SE461912B (sv) * | 1988-10-07 | 1990-04-09 | Gunnar Jaehkel | Anlaeggning foer att med hjaelp av en vaetska avlaegsna ett element ur ett fastare material |
SE8900612D0 (sv) * | 1989-02-22 | 1989-02-22 | Jonas Johansson | Vaevnadskarakterisering utnyttjande ett blodfritt fluorescenskriterium |
US5081998A (en) * | 1989-09-01 | 1992-01-21 | Critikon, Inc. | Optically stabilized infrared energy detector |
JP3142867B2 (ja) * | 1989-10-31 | 2001-03-07 | ニルソン,ゲルト | 流体の流動、特に体の器官を通る血液の流れを測定しかつ表示するためのシステム |
-
1989
- 1989-03-29 GB GB898907101A patent/GB8907101D0/en active Pending
-
1990
- 1990-03-27 IL IL9390990A patent/IL93909A/en not_active IP Right Cessation
- 1990-03-28 EP EP90905231A patent/EP0465524B1/de not_active Expired - Lifetime
- 1990-03-28 DE DE69032618T patent/DE69032618T2/de not_active Expired - Lifetime
- 1990-03-28 WO PCT/GB1990/000459 patent/WO1990011044A1/en active IP Right Grant
- 1990-03-28 JP JP50517490A patent/JP3239952B2/ja not_active Expired - Lifetime
- 1990-03-28 GB GB9006882A patent/GB2231742B/en not_active Expired - Lifetime
-
1994
- 1994-02-16 US US08/197,442 patent/US5588437A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0465524A1 (de) | 1992-01-15 |
JPH04504213A (ja) | 1992-07-30 |
IL93909A0 (en) | 1990-12-23 |
GB8907101D0 (en) | 1989-05-10 |
GB2231742A (en) | 1990-11-21 |
WO1990011044A1 (en) | 1990-10-04 |
EP0465524B1 (de) | 1998-09-02 |
US5588437A (en) | 1996-12-31 |
IL93909A (en) | 1999-10-28 |
DE69032618D1 (de) | 1998-10-08 |
GB9006882D0 (en) | 1990-05-23 |
JP3239952B2 (ja) | 2001-12-17 |
GB2231742B (en) | 1994-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: BTG INTERNATIONAL LTD., LONDON, GB |
|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings |