DE10039344A1 - Magnetresonanz-Projektionsabbildung dynamischer Subjekte - Google Patents
Magnetresonanz-Projektionsabbildung dynamischer SubjekteInfo
- Publication number
- DE10039344A1 DE10039344A1 DE10039344A DE10039344A DE10039344A1 DE 10039344 A1 DE10039344 A1 DE 10039344A1 DE 10039344 A DE10039344 A DE 10039344A DE 10039344 A DE10039344 A DE 10039344A DE 10039344 A1 DE10039344 A1 DE 10039344A1
- Authority
- DE
- Germany
- Prior art keywords
- spins
- pulse
- volume
- magnetic field
- nmr signals
- 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.)
- Withdrawn
Links
- 230000005415 magnetization Effects 0.000 title claims abstract description 48
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 title claims abstract description 20
- 238000002595 magnetic resonance imaging Methods 0.000 title abstract description 11
- 230000005284 excitation Effects 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 38
- 238000003384 imaging method Methods 0.000 claims description 33
- 210000004351 coronary vessel Anatomy 0.000 claims description 30
- 230000000747 cardiac effect Effects 0.000 claims description 26
- 238000002360 preparation method Methods 0.000 claims description 9
- 230000001629 suppression Effects 0.000 claims description 7
- 210000004204 blood vessel Anatomy 0.000 claims description 4
- 230000010287 polarization Effects 0.000 claims description 4
- 239000002872 contrast media Substances 0.000 claims description 3
- 210000004165 myocardium Anatomy 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 238000010009 beating Methods 0.000 claims 2
- 230000001427 coherent effect Effects 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 238000005481 NMR spectroscopy Methods 0.000 description 27
- 238000012545 processing Methods 0.000 description 4
- 238000002565 electrocardiography Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 235000019553 satiation Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
- G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Physiology (AREA)
- High Energy & Nuclear Physics (AREA)
- General Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Signal Processing (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/378,501 US6310479B1 (en) | 1999-08-20 | 1999-08-20 | Magnetic resonance projection imaging of dynamic subjects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10039344A1 true DE10039344A1 (de) | 2001-03-29 |
Family
ID=23493359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10039344A Withdrawn DE10039344A1 (de) | 1999-08-20 | 2000-08-11 | Magnetresonanz-Projektionsabbildung dynamischer Subjekte |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6310479B1 (enExample) |
| JP (1) | JP2001170025A (enExample) |
| DE (1) | DE10039344A1 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6486668B1 (en) * | 2000-11-20 | 2002-11-26 | Ge Medical Systems Global Technology Company, Llc | Preparatory pulse sequence for suppression of artifacts in MR images |
| US6650115B2 (en) * | 2001-10-12 | 2003-11-18 | The Board Of Trustees Of The Leland Stanford Junior University | Variable density fourier velocity encoding MR imaging |
| US7251520B2 (en) * | 2003-07-08 | 2007-07-31 | General Electric Company | Method and apparatus of slice selective magnetization preparation for moving table MRI |
| US20050059880A1 (en) * | 2003-09-11 | 2005-03-17 | Mathias Sanjay George | ECG driven image reconstruction for cardiac imaging |
| US6903548B2 (en) * | 2003-10-21 | 2005-06-07 | General Electric Company | Method and apparatus for MR perfusion image acquisition using non-selective and notched RF saturation pulses |
| JP4519446B2 (ja) * | 2003-11-10 | 2010-08-04 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 核磁気共鳴撮像装置 |
| US7049816B2 (en) * | 2004-09-30 | 2006-05-23 | Wisconsin Alumni Research Foundation | Magnetic resonance imaging with dual velocity encoded projection reconstruction acquisition |
| US7330028B2 (en) * | 2005-09-26 | 2008-02-12 | General Electric Company | Apparatus and method of simultaneous fat suppression, magnetization transfer contrast, and spatial saturation for 3D time-of-flight imaging |
| US8831703B2 (en) * | 2006-10-23 | 2014-09-09 | The General Hospital Corporation | Selective MR imaging of segmented anatomy |
| JP5159200B2 (ja) * | 2007-07-30 | 2013-03-06 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| WO2009097053A1 (en) * | 2007-12-14 | 2009-08-06 | The Regents Of The University Of California | Magnetic resonance imaging of living systems by remote detection |
| JP5762293B2 (ja) * | 2008-10-13 | 2015-08-12 | コーニンクレッカ フィリップス エヌ ヴェ | Ｔ２＊コントラストのためのフロー非感応性磁化プレパレーションパルス |
| KR101967239B1 (ko) | 2012-08-22 | 2019-04-09 | 삼성전자주식회사 | 자기 공명 영상 촬상 방법 및 장치 |
| JP5684329B2 (ja) * | 2013-06-07 | 2015-03-11 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| US9702954B2 (en) * | 2014-03-31 | 2017-07-11 | Toshiba Medical Systems Corporation | Pseudo-continuous asymmetric signal targeting alternating radio frequency (pASTAR) for magnetic resonance angiography |
| US9594144B2 (en) | 2014-04-23 | 2017-03-14 | General Electric Company | Low-noise magnetic resonance imaging using low harmonic pulse sequences |
| DE102014211034A1 (de) * | 2014-06-10 | 2015-12-17 | Siemens Aktiengesellschaft | Medizinisches Gerät zur Bildgebung und Verfahren für ein medizinisches Gerät zur Bildgebung |
| DE102016206713B4 (de) * | 2016-04-20 | 2017-11-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | System zum Durchführen spektroskopischer Echo-Planar-Bildgebung (EPSI) |
| CN109342981B (zh) * | 2018-09-20 | 2021-10-12 | 上海东软医疗科技有限公司 | 一种基于epi序列的动态成像方法和装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4992736A (en) | 1989-08-04 | 1991-02-12 | General Electric Company | Radio frequency receiver for a NMR instrument |
| US4952877A (en) | 1989-08-11 | 1990-08-28 | General Electric Company | RF synthesizer or an NMR instrument |
| US5000182A (en) * | 1989-08-11 | 1991-03-19 | Picker International, Inc. | Cardiac synchronization magnetic resonance imaging |
| US5285158A (en) * | 1992-08-06 | 1994-02-08 | Wisconsin Alumni Research Foundation | NMR angiography using fast pulse sequences with preparatory pulses |
| US5339035A (en) | 1993-05-07 | 1994-08-16 | General Electric Company | MR imaging with rectangular magnetization transfer pulse |
-
1999
- 1999-08-20 US US09/378,501 patent/US6310479B1/en not_active Expired - Fee Related
-
2000
- 2000-08-11 DE DE10039344A patent/DE10039344A1/de not_active Withdrawn
- 2000-08-17 JP JP2000247155A patent/JP2001170025A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US6310479B1 (en) | 2001-10-30 |
| JP2001170025A (ja) | 2001-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |