CN104337516B - 磁共振控制序列的确定 - Google Patents

磁共振控制序列的确定 Download PDF

Info

Publication number
CN104337516B
CN104337516B CN201410369423.0A CN201410369423A CN104337516B CN 104337516 B CN104337516 B CN 104337516B CN 201410369423 A CN201410369423 A CN 201410369423A CN 104337516 B CN104337516 B CN 104337516B
Authority
CN
China
Prior art keywords
pulse
gradient
space
magnetic resonance
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.)
Active
Application number
CN201410369423.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN104337516A (zh
Inventor
A.施泰默
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Medical Ag
Original Assignee
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of CN104337516A publication Critical patent/CN104337516A/zh
Application granted granted Critical
Publication of CN104337516B publication Critical patent/CN104337516B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/483NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833NMR 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
    • G01R33/4836NMR 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 using an RF pulse being spatially selective in more than one spatial dimension, e.g. a 2D pencil-beam excitation pulse
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4818MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/4824MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/543Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56572Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of a gradient magnetic field, e.g. non-linearity of a gradient magnetic field
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
CN201410369423.0A 2013-07-30 2014-07-30 磁共振控制序列的确定 Active CN104337516B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013214867.4 2013-07-30
DE201310214867 DE102013214867B4 (de) 2013-07-30 2013-07-30 Ermittlung einer Magnetresonanz-Ansteuersequenz mit konzentrischen, kreisförmigen Sendetrajektorien

Publications (2)

Publication Number Publication Date
CN104337516A CN104337516A (zh) 2015-02-11
CN104337516B true CN104337516B (zh) 2017-06-30

Family

ID=52341840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410369423.0A Active CN104337516B (zh) 2013-07-30 2014-07-30 磁共振控制序列的确定

Country Status (5)

Country Link
US (1) US10012713B2 (enExample)
JP (1) JP6166232B2 (enExample)
KR (1) KR101663365B1 (enExample)
CN (1) CN104337516B (enExample)
DE (1) DE102013214867B4 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011085766B4 (de) * 2011-11-04 2013-07-11 Siemens Aktiengesellschaft Rasche Erstellung von bezüglich eines Kontrasts gewichteten MR-Bildern
JP6076677B2 (ja) * 2011-11-25 2017-02-08 東芝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
KR101541290B1 (ko) * 2013-07-03 2015-08-03 삼성전자주식회사 자기 공명 신호 측정 방법 및 장치
US10369385B2 (en) * 2015-04-14 2019-08-06 The Board Of Trustees Of The Leland Stanford Junior University Quantitative MRI measurements near metal objects
BR112018000677A2 (pt) 2015-08-14 2018-09-18 Halliburton Energy Services Inc métodos de perfilagem de ressonância magnética nuclear (nmr) de formações subterrâneas.
KR101797674B1 (ko) 2016-02-12 2017-11-15 삼성전자주식회사 자기 공명 영상 촬영 장치 및 그에 따른 자기 공명 영상 촬영 방법
DE102016225793B3 (de) 2016-12-21 2018-02-08 Siemens Healthcare Gmbh Kalibrierung einer Magnetresonanzvorrichtung
CN107064836B (zh) * 2017-04-06 2019-10-29 深圳安科高技术股份有限公司 将fse序列梯度波形转化为三角形的降噪方法及系统
CN107192972B (zh) * 2017-05-17 2019-08-23 常楚笛 一种核磁共振成像系统及其成像方法
DE102018218471B3 (de) * 2018-10-29 2020-02-06 Siemens Healthcare Gmbh Verfahren zur Magnetresonanzbildgebung mit Zusatzgradientenpulsen, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
US10622978B1 (en) * 2019-04-05 2020-04-14 IonQ, Inc. Quantum logic gate design and optimization
US11828822B2 (en) * 2019-04-30 2023-11-28 Purdue Research Foundation Simultaneous multi-slice MRSI using density weighted concentric ring acquisition
EP4194877A4 (en) 2020-08-06 2023-09-27 Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Magnetic resonance imaging method and apparatus, and computer storage medium
CN112014782B (zh) * 2020-08-06 2023-07-28 深圳先进技术研究院 磁共振成像方法、装置及计算机存储介质
CN115015854B (zh) * 2022-05-16 2024-11-19 中国科学院空天信息创新研究院 一种多通道星载sar回波模拟器
DE102023201945B3 (de) * 2023-03-03 2024-05-29 Siemens Healthineers Ag Vorbereitung eines Magnetresonanzbildgebungsverfahrens unter Einhaltung stimulationsbasierter Limitationen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5578921A (en) * 1995-01-10 1996-11-26 Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging using three-dimensional spectral-spatial excitation
CN1851494A (zh) * 2005-04-22 2006-10-25 西门子公司 改进发送侧加速的体积选择磁共振成像的方法和设备
CN101672905A (zh) * 2008-09-08 2010-03-17 西门子公司 在患者卧榻连续移动情况下的失真校正方法和装置
CN102283649A (zh) * 2011-05-11 2011-12-21 浙江大学 用于磁共振成像的三维空间选择性激励的序列设计方法
CN102783949A (zh) * 2011-05-20 2012-11-21 株式会社东芝 磁共振成像装置以及方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727325A (en) * 1985-10-16 1988-02-23 Hitachi, Ltd. NMR imaging method
JPS6288948A (ja) * 1985-10-16 1987-04-23 Hitachi Ltd 核磁気共鳴を用いた計測方法
US4812760A (en) 1987-07-27 1989-03-14 General Electric Company Multi-dimensional selective NMR excitation with a single RF pulse
US5532595A (en) * 1994-04-18 1996-07-02 Picker International, Inc. Three-dimensional spiral echo volume imaging
JP2932175B2 (ja) * 1997-06-25 1999-08-09 技術研究組合医療福祉機器研究所 Mri装置
US6288545B1 (en) 1999-03-22 2001-09-11 General Electric Company Method and apparatus for calibration of RF and gradient field time delays
DE10056874C2 (de) * 2000-11-16 2003-02-06 Siemens Ag Verfahren zum Betrieb eines Magnetresonanzgeräts, bei dem Lageveränderungen mittels orbitaler Navigatorechos erfasst werden
AU2003237848A1 (en) * 2002-05-15 2003-12-02 University Of Virginia Patent Foundation Method and system for rapid magnetic resonance imaging of gases with reduced diffusion-induced signal loss
DE10232342A1 (de) 2002-07-17 2004-01-29 Philips Intellectual Property & Standards Gmbh MR-Verfahren mit mehrdimensionalen Hochfrequenzimpulsen
US7603156B2 (en) * 2003-07-02 2009-10-13 Ge Medical Systems Global Technology Co., Llc Systems and methods for phase encode placement
US7466131B1 (en) * 2007-04-20 2008-12-16 General Electric Company System and method for designing multi-channel RF pulses for MR imaging
US8710839B2 (en) * 2008-12-12 2014-04-29 Yale University O-space imaging: highly efficient parallel imaging using complementary nonlinear encoding gradient fields and receive coil geometries
CN102428382B (zh) * 2009-04-02 2015-02-25 皇家飞利浦电子股份有限公司 通过k空间相关rf脉冲选择来降低并行发射中的sar
US9121915B2 (en) * 2010-12-09 2015-09-01 The Board Of Trustees Of The Leland Stanford Junior University Multi-dimensional cardiac and respiratory imaging with MRI
US8854041B2 (en) 2011-05-20 2014-10-07 Kabushiki Kaisha Toshiba Spatially shaped pre-saturation profile for enhanced non-contrast MRA
US10564241B2 (en) * 2012-01-17 2020-02-18 Regents Of The University Of Minnesota Steering resonance along a trajectory
JP6162131B2 (ja) * 2012-09-20 2017-07-12 株式会社日立製作所 磁気共鳴イメージング装置および磁気共鳴イメージング方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5578921A (en) * 1995-01-10 1996-11-26 Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging using three-dimensional spectral-spatial excitation
CN1851494A (zh) * 2005-04-22 2006-10-25 西门子公司 改进发送侧加速的体积选择磁共振成像的方法和设备
CN101672905A (zh) * 2008-09-08 2010-03-17 西门子公司 在患者卧榻连续移动情况下的失真校正方法和装置
CN102283649A (zh) * 2011-05-11 2011-12-21 浙江大学 用于磁共振成像的三维空间选择性激励的序列设计方法
CN102783949A (zh) * 2011-05-20 2012-11-21 株式会社东芝 磁共振成像装置以及方法

Also Published As

Publication number Publication date
US10012713B2 (en) 2018-07-03
DE102013214867A1 (de) 2015-02-05
US20150035531A1 (en) 2015-02-05
JP2015027460A (ja) 2015-02-12
DE102013214867B4 (de) 2015-02-12
KR20150014887A (ko) 2015-02-09
KR101663365B1 (ko) 2016-10-06
CN104337516A (zh) 2015-02-11
JP6166232B2 (ja) 2017-07-19

Similar Documents

Publication Publication Date Title
CN104337516B (zh) 磁共振控制序列的确定
CN102736045B (zh) 具有局部sar 约束的并行发射射频脉冲设计
CN106232005B (zh) 用于减小的视场磁共振成像的系统及方法
US9689945B2 (en) Virtual coil emulation in parallel transmission MRI
CN103323802B (zh) 磁共振系统控制序列的确定
JP6270709B2 (ja) 磁気共鳴生データの再構成方法および装置
US8938281B2 (en) MR imaging using multi-channel RF excitation
CN102670201B (zh) 用于产生磁共振图像数据的方法和磁共振断层造影系统
US9223001B2 (en) MR imaging using navigators
US9086446B2 (en) Method and system for B1 field mapping in magnetic resonance imaging
EP3191862B1 (en) Zero echo time mr imaging
US20070145975A1 (en) Method and magnetic resonance system for adjustment of the field strength of rf pulses
US9846213B2 (en) Optimization of the noise development of a 3D gradient echo sequence in a magnetic resonance system
CN103364747B (zh) 用于控制磁共振系统的方法和控制设备、磁共振系统以及控制序列确定设备
CN103969608B (zh) 采集磁共振数据和确定b1磁场的方法及相应的磁共振设备
US9500733B2 (en) Method and apparatus for obtaining main magnetic field information and radio pulse related information in a magnetic resonance imaging system with different flip angles
US9885768B2 (en) Method for generating a desired spatially variable temporal profile of the magnetization state in magnetic resonance
US12429541B2 (en) Measurement of a gradient field in an MRT system
US10578700B2 (en) Method and apparatus for reconstruction of magnetic resonance images with incomplete sampling
EP4246167A1 (en) Three-dimensional diffusion weighted magnetic resonance imaging
US10823803B2 (en) Method and apparatus for reconstructing contrast levels from magnetic resonance acquisitions
JP2016131847A (ja) 磁気共鳴イメージング装置および磁気共鳴イメージング方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220127

Address after: Erlangen

Patentee after: Siemens Healthineers AG

Address before: Munich, Germany

Patentee before: SIEMENS AG

TR01 Transfer of patent right
TR01 Transfer of patent right

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

TR01 Transfer of patent right