DE69931611T2 - Magnetresonanz-Bildgebungsvorrichtung - Google Patents
Magnetresonanz-Bildgebungsvorrichtung Download PDFInfo
- Publication number
- DE69931611T2 DE69931611T2 DE69931611T DE69931611T DE69931611T2 DE 69931611 T2 DE69931611 T2 DE 69931611T2 DE 69931611 T DE69931611 T DE 69931611T DE 69931611 T DE69931611 T DE 69931611T DE 69931611 T2 DE69931611 T2 DE 69931611T2
- Authority
- DE
- Germany
- Prior art keywords
- cut
- magnetic resonance
- echo signals
- cuts
- excitation
- 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
- 238000002595 magnetic resonance imaging Methods 0.000 title claims description 31
- 230000017531 blood circulation Effects 0.000 claims description 62
- 238000005259 measurement Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 40
- 230000005284 excitation Effects 0.000 claims description 39
- 230000003068 static effect Effects 0.000 claims description 22
- 238000003384 imaging method Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 16
- 238000005481 NMR spectroscopy Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000002583 angiography Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 210000004204 blood vessel Anatomy 0.000 description 23
- 239000008280 blood Substances 0.000 description 9
- 210000004369 blood Anatomy 0.000 description 9
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 8
- 101100008046 Caenorhabditis elegans cut-2 gene Proteins 0.000 description 6
- 238000000079 presaturation Methods 0.000 description 6
- 101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 5
- 230000008321 arterial blood flow Effects 0.000 description 4
- 230000008320 venous blood flow Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 3
- 238000002366 time-of-flight method Methods 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000004936 stimulating effect Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 239000002872 contrast media Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
- G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Signal Processing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5234198 | 1998-03-04 | ||
| JP05234198A JP4127889B2 (ja) | 1998-03-04 | 1998-03-04 | 磁気共鳴イメージング装置 |
| PCT/JP1999/001007 WO1999044501A1 (en) | 1998-03-04 | 1999-03-03 | Magnetic resonance imaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69931611D1 DE69931611D1 (de) | 2006-07-06 |
| DE69931611T2 true DE69931611T2 (de) | 2007-01-11 |
Family
ID=12912109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69931611T Expired - Lifetime DE69931611T2 (de) | 1998-03-04 | 1999-03-03 | Magnetresonanz-Bildgebungsvorrichtung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6442414B1 (enExample) |
| EP (1) | EP1060706B1 (enExample) |
| JP (1) | JP4127889B2 (enExample) |
| CN (1) | CN1237937C (enExample) |
| DE (1) | DE69931611T2 (enExample) |
| WO (1) | WO1999044501A1 (enExample) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1157371A (ja) * | 1997-08-11 | 1999-03-02 | Taiyo Toyo Sanso Co Ltd | 超清浄空気の製造方法 |
| JP4357641B2 (ja) * | 1999-06-29 | 2009-11-04 | 株式会社東芝 | Ｍｒｉ装置 |
| DE10009166A1 (de) * | 2000-02-26 | 2001-08-30 | Philips Corp Intellectual Pty | Verfahren zur Lokalisierung von Objekten in der interventionellen Radiologie |
| ITSV20000036A1 (it) * | 2000-09-07 | 2002-03-07 | Esaote Spa | Sistema e metodo per il rilevamento di immagini |
| US6847209B2 (en) * | 2001-01-26 | 2005-01-25 | Fonar Corporation | Driven equilibrium and fast-spin echo scanning |
| US7339375B1 (en) | 2001-01-26 | 2008-03-04 | Fonar Corporation | Driven equilibrium and fast-spin echo scanning |
| US7242190B1 (en) * | 2001-01-26 | 2007-07-10 | Fonar Corporation | Driven equilibrium and fast-spin echo scanning |
| DE10133278A1 (de) * | 2001-07-09 | 2003-01-23 | Univ Eberhard Karls | Verfahren und Vorrichtung zur Darstellung einer Fluidperfusion |
| JP4122452B2 (ja) * | 2001-10-15 | 2008-07-23 | 株式会社日立メディコ | 磁気共鳴撮像装置 |
| EP1499908A1 (en) * | 2002-04-08 | 2005-01-26 | Koninklijke Philips Electronics N.V. | Data-processing to form a compound object data set from a plurality of basis datasets |
| CN1802123B (zh) * | 2002-05-16 | 2010-04-28 | 梅德拉股份有限公司 | 应用3.0泰斯拉磁共振系统获取内腔结构图像与谱图的系统 |
| WO2004055524A2 (en) * | 2002-12-13 | 2004-07-01 | Philips Intellectual Property & Standards Gmbh | Method and arrangement for determining the position of an object in an mr device |
| US6922054B2 (en) * | 2003-08-18 | 2005-07-26 | The Board Of Trustees Of The Leland Stanford Junior University | Steady state free precession magnetic resonance imaging using phase detection of material separation |
| GB2405935A (en) | 2003-09-10 | 2005-03-16 | Rolls Royce Plc | NMR methods of measuring fluid flow rates |
| DE10346275B4 (de) * | 2003-10-06 | 2005-08-18 | Siemens Ag | Erzeuger zeitvariabler Magnetfelder eines Magnetresonanzgeräts und Magnetresonanzgerät mit dem Erzeuger |
| JP4309755B2 (ja) * | 2003-12-22 | 2009-08-05 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| US8000768B2 (en) | 2005-01-10 | 2011-08-16 | Vassol Inc. | Method and system for displaying blood flow |
| JP5215657B2 (ja) * | 2005-02-16 | 2013-06-19 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び装置 |
| JP4738056B2 (ja) * | 2005-05-24 | 2011-08-03 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US7613496B2 (en) * | 2005-09-22 | 2009-11-03 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and magnetic resonance imaging method |
| US9538936B2 (en) | 2006-11-22 | 2017-01-10 | Toshiba Medical Systems Corporation | MRI apparatus acquires first and second MR data and generates therefrom third image data having higher contrast between blood and background tissues |
| US10098563B2 (en) | 2006-11-22 | 2018-10-16 | Toshiba Medical Systems Corporation | Magnetic resonance imaging apparatus |
| JP5362580B2 (ja) * | 2007-11-16 | 2013-12-11 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び血管撮像方法 |
| JP5483308B2 (ja) * | 2007-11-21 | 2014-05-07 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| WO2009094304A2 (en) * | 2008-01-23 | 2009-07-30 | The Regents Of The University Of Colorado | Susceptibility weighted magnetic resonance imaging of venous vasculature |
| JP5352109B2 (ja) * | 2008-04-10 | 2013-11-27 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US7847545B2 (en) * | 2008-04-11 | 2010-12-07 | General Electric Company | System and method for correcting flow velocity measurements in phase contrast imaging using magnetic field monitoring |
| US8483466B2 (en) | 2008-05-22 | 2013-07-09 | Hitachi Medical Corporation | Magnetic resonance imaging apparatus and blood vessel image acquiring method |
| DE102009019596B4 (de) * | 2009-04-30 | 2023-08-17 | Siemens Healthcare Gmbh | Magnetresonanzangiographie mit flusskompensierter und flusssensitiver Bildgebung |
| GB2493746A (en) * | 2011-08-17 | 2013-02-20 | Schlumberger Holdings | NMR Flow meter with superconducting polariser |
| US10980492B2 (en) * | 2012-05-11 | 2021-04-20 | Toshiba Medical Systems Corporation | Magnetic resonance imaging apparatus and image processing apparatus |
| WO2014203245A2 (en) | 2013-06-20 | 2014-12-24 | Aspect International (2015) Private Limited | An nmr/mri-based integrated system for analyzing and treating of a drilling mud for drilling mud recycling process and methods thereof |
| US9964621B2 (en) | 2013-10-01 | 2018-05-08 | Beth Israel Deaconess Medical Center, Inc. | Methods and apparatus for reducing scan time of phase contrast MRI |
| US9494503B2 (en) | 2013-11-06 | 2016-11-15 | Aspect Imaging Ltd. | Inline rheology/viscosity, density, and flow rate measurement |
| EP3247881A4 (en) | 2015-01-19 | 2019-06-12 | Aspect International (2015) Private Limited | NMR based systems for crude oil improvement and method therefor |
| CN106053299B (zh) | 2015-04-12 | 2020-10-30 | 艾斯拜克特Ai有限公司 | 非圆形横截面管道中的流体的nmr成像 |
| US10123761B2 (en) | 2015-07-01 | 2018-11-13 | William E. Butler | Device and method for spatiotemporal reconstruction of a moving vascular pulse wave in the brain and other organs |
| CN106324010A (zh) | 2015-07-02 | 2017-01-11 | 艾斯拜克特Ai有限公司 | 使用mr设备对在管道中流动的流体的分析 |
| KR101733800B1 (ko) * | 2015-09-18 | 2017-05-10 | 삼성전자주식회사 | 자기 공명 영상 장치가 혈관을 스캔하는 방법 및 그 자기 공명 영상 장치 |
| CN106923813B (zh) * | 2015-12-30 | 2019-05-07 | 中国科学院深圳先进技术研究院 | 一种磁共振心脏血流速度的测量方法及装置 |
| US10655996B2 (en) | 2016-04-12 | 2020-05-19 | Aspect Imaging Ltd. | System and method for measuring velocity profiles |
| CN106646296B (zh) * | 2016-09-30 | 2019-11-19 | 上海联影医疗科技有限公司 | 磁共振接收链路及接收方法 |
| JP6734173B2 (ja) * | 2016-10-03 | 2020-08-05 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置 |
| GB2598463B (en) | 2019-02-06 | 2023-08-23 | E Butler William | Improved methods for angiography |
| CN113395935B (zh) | 2019-02-06 | 2023-11-24 | 威廉·E·巴特勒 | 重建心搏频率血管造影现象的表示的方法和计算机系统 |
| GB2596015B (en) | 2019-03-27 | 2022-10-12 | E Butler William | Reconstructing cardiac frequency phenomena in angiographic data |
| CA3132140C (en) | 2019-04-04 | 2024-03-05 | William E. Butler | Intrinsic contrast optical cross-correlated wavelet angiography |
| US12220272B2 (en) | 2021-05-12 | 2025-02-11 | Angiowave Imaging, Inc. | Motion-compensated wavelet angiography |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609872A (en) * | 1984-08-10 | 1986-09-02 | General Electric Company | NMR multiple-echo phase-contrast blood flow imaging |
| JPH03272743A (ja) * | 1990-03-23 | 1991-12-04 | Toshiba Corp | 磁気共鳴イメージング法による血管像撮影方法 |
| DE69127565T2 (de) * | 1990-03-20 | 1998-04-23 | Toshiba Kawasaki Kk | Verfahren und Apparat zur Bilderzeugung von Blutgefässen mittels magnetischer Resonanz |
| JPH03272742A (ja) * | 1990-03-20 | 1991-12-04 | Toshiba Corp | 磁気共鳴イメージング法による血管像撮影方法 |
| US5167232A (en) * | 1990-08-07 | 1992-12-01 | Ihc Hospitals, Inc. | Magnetic resonance angiography by sequential multiple thin slab three dimensional acquisition |
| JP3512482B2 (ja) * | 1994-09-06 | 2004-03-29 | 株式会社東芝 | 磁気共鳴映像装置 |
| US6043655A (en) * | 1997-01-09 | 2000-03-28 | Kabushiki Kaisha Toshiba | MR imaging utilizing the time of flight effect |
-
1998
- 1998-03-04 JP JP05234198A patent/JP4127889B2/ja not_active Expired - Fee Related
-
1999
- 1999-03-03 CN CN99803615.3A patent/CN1237937C/zh not_active Expired - Fee Related
- 1999-03-03 WO PCT/JP1999/001007 patent/WO1999044501A1/ja not_active Ceased
- 1999-03-03 DE DE69931611T patent/DE69931611T2/de not_active Expired - Lifetime
- 1999-03-03 US US09/623,351 patent/US6442414B1/en not_active Expired - Fee Related
- 1999-03-03 EP EP99907844A patent/EP1060706B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1291873A (zh) | 2001-04-18 |
| EP1060706A4 (en) | 2002-04-10 |
| EP1060706A1 (en) | 2000-12-20 |
| JPH11244257A (ja) | 1999-09-14 |
| EP1060706B1 (en) | 2006-05-31 |
| CN1237937C (zh) | 2006-01-25 |
| JP4127889B2 (ja) | 2008-07-30 |
| WO1999044501A1 (en) | 1999-09-10 |
| US6442414B1 (en) | 2002-08-27 |
| DE69931611D1 (de) | 2006-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |