CN103969610B - 采集磁共振数据和确定b1磁场的方法及磁共振设备 - Google Patents
采集磁共振数据和确定b1磁场的方法及磁共振设备 Download PDFInfo
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- CN103969610B CN103969610B CN201410006106.2A CN201410006106A CN103969610B CN 103969610 B CN103969610 B CN 103969610B CN 201410006106 A CN201410006106 A CN 201410006106A CN 103969610 B CN103969610 B CN 103969610B
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000005415 magnetization Effects 0.000 claims abstract description 38
- 230000010363 phase shift Effects 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000012634 fragment Substances 0.000 claims 1
- 238000013508 migration Methods 0.000 claims 1
- 238000002592 echocardiography Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 14
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000004590 computer program Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
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- 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]
- G01R33/443—Assessment of an electric or a magnetic field, e.g. spatial mapping, determination of a B0 drift or dosimetry
-
- 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
-
- 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
- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/246—Spatial mapping of the RF magnetic field B1
-
- 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]
-
- 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
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Signal Processing (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013201670.0 | 2013-02-01 | ||
| DE201310201670 DE102013201670B3 (de) | 2013-02-01 | 2013-02-01 | Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103969610A CN103969610A (zh) | 2014-08-06 |
| CN103969610B true CN103969610B (zh) | 2017-06-09 |
Family
ID=50928735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006106.2A Active CN103969610B (zh) | 2013-02-01 | 2014-01-07 | 采集磁共振数据和确定b1磁场的方法及磁共振设备 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9625546B2 (enExample) |
| JP (1) | JP6258050B2 (enExample) |
| KR (1) | KR101617936B1 (enExample) |
| CN (1) | CN103969610B (enExample) |
| DE (1) | DE102013201670B3 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012209295B4 (de) * | 2012-06-01 | 2014-02-13 | Siemens Aktiengesellschaft | Bestimmung einer objektspezifischen B1-Verteilung eines Untersuchungsobjekts im Messvolumen in der Magnetresonanztechnik |
| US9594145B2 (en) * | 2012-12-04 | 2017-03-14 | Samsung Electronics Co., Ltd. | Method and apparatus for acquiring B1 magnetic field information |
| DE102013201671B3 (de) * | 2013-02-01 | 2014-07-31 | Siemens Aktiengesellschaft | Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage |
| DE102017210309A1 (de) * | 2017-06-02 | 2018-12-06 | Universität Ulm | Verfahren und Vorrichtung zum Erzeugen eines Kernspinresonanz-Spektrums von Kernspinmomenten einer Probe |
| CN111886713B (zh) | 2018-03-30 | 2024-07-02 | 三菱化学株式会社 | 分隔构件和电池组 |
| EP3614161A1 (en) * | 2018-08-21 | 2020-02-26 | Siemens Healthcare GmbH | Method of ramping a magnet for a magnetic resonance imaging apparatus |
| US11193997B2 (en) | 2018-08-21 | 2021-12-07 | Siemens Healthcare Gmbh | Operating an MRI apparatus |
| EP3715896B1 (en) * | 2019-03-27 | 2023-02-15 | Siemens Healthcare GmbH | Minimization of signal losses in multi-echo imaging |
| CN110780249B (zh) * | 2019-11-21 | 2020-08-11 | 中国科学院武汉物理与数学研究所 | 使用绝热射频脉冲测量射频b1场分布的磁共振成像方法 |
| CN111537928B (zh) * | 2020-03-17 | 2021-07-23 | 无锡鸣石峻致医疗科技有限公司 | 一种基于扩散效应的磁共振系统梯度场测量方法 |
| EP3901647A1 (en) * | 2020-04-23 | 2021-10-27 | Koninklijke Philips N.V. | Mr imaging with t1 compensated b1 mapping |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03106339A (ja) * | 1989-09-19 | 1991-05-02 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
| DE4023128A1 (de) | 1990-07-20 | 1992-01-23 | Philips Patentverwaltung | Kernresonanz-spektroskopieverfahren |
| EP0507391B1 (en) * | 1991-04-02 | 1998-06-10 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging method and device for monitoring motion of a part of an object based on stimulated echoes. |
| JP3384944B2 (ja) | 1996-07-11 | 2003-03-10 | ジーイー横河メディカルシステム株式会社 | Ｍｒｉ装置 |
| US7233818B1 (en) * | 1999-08-05 | 2007-06-19 | United States Of America As Represented By The Secretary Of The Department Of Health And Human Services | Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging |
| AU773421B2 (en) * | 1999-08-05 | 2004-05-27 | Government Of The United States Of America, As Represented By The Secretary Of The Department Of Health And Human Services, The | Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging |
| JP2002143115A (ja) * | 2000-10-30 | 2002-05-21 | Ge Medical Systems Global Technology Co Llc | Ｍｒイメージング方法、位相エラー測定方法およびｍｒｉ装置 |
| JP3796455B2 (ja) * | 2002-02-22 | 2006-07-12 | 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 | Ｍｒｉ装置 |
| US6836114B2 (en) | 2002-03-15 | 2004-12-28 | The Trustees Of The University Of Pennsylvania | Pulse imaging sequences and methods for T1p-weighted MRI |
| DE10354941B4 (de) | 2002-12-02 | 2010-05-12 | Siemens Ag | Bestimmung der B1-Feldstärke bei MR-Messungen |
| US8198891B2 (en) * | 2009-06-15 | 2012-06-12 | General Electric Company | System, method, and apparatus for magnetic resonance RF-field measurement |
| DE102011006230B4 (de) | 2011-03-28 | 2013-01-24 | Siemens Aktiengesellschaft | Pixelweise Korrektur einer Phaseninformation in MR-Bildern unter Verwendung eines Navigatorsignals |
| US20140070805A1 (en) * | 2011-04-11 | 2014-03-13 | Koninklijke Philips N.V. | Mr imaging with b1 mapping |
| DE102013201671B3 (de) * | 2013-02-01 | 2014-07-31 | Siemens Aktiengesellschaft | Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage |
-
2013
- 2013-02-01 DE DE201310201670 patent/DE102013201670B3/de active Active
-
2014
- 2014-01-07 CN CN201410006106.2A patent/CN103969610B/zh active Active
- 2014-01-28 KR KR1020140010514A patent/KR101617936B1/ko not_active Expired - Fee Related
- 2014-01-29 JP JP2014014686A patent/JP6258050B2/ja active Active
- 2014-01-31 US US14/169,556 patent/US9625546B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103969610A (zh) | 2014-08-06 |
| DE102013201670B3 (de) | 2014-07-03 |
| JP2014147747A (ja) | 2014-08-21 |
| US20140218021A1 (en) | 2014-08-07 |
| KR20140099201A (ko) | 2014-08-11 |
| KR101617936B1 (ko) | 2016-05-18 |
| US9625546B2 (en) | 2017-04-18 |
| JP6258050B2 (ja) | 2018-01-10 |
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Effective date of registration: 20240902 Address after: German Phu F Haim Patentee after: Siemens Medical AG Country or region after: Germany Address before: Erlangen Patentee before: Siemens Healthineers AG Country or region before: Germany |