CN107003374B - 生成多频带rf脉冲的方法 - Google Patents

生成多频带rf脉冲的方法 Download PDF

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Publication number
CN107003374B
CN107003374B CN201580063489.XA CN201580063489A CN107003374B CN 107003374 B CN107003374 B CN 107003374B CN 201580063489 A CN201580063489 A CN 201580063489A CN 107003374 B CN107003374 B CN 107003374B
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pulse
multiband
signal
additional
slices
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CN107003374A (zh
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B·谢
A·F·尼斯蒂格里戈莱托博尔戈诺维
Z·陈
M·富德勒
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Koninklijke Philips NV
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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]
    • G01R33/48—NMR imaging systems
    • G01R33/4816—NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time 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
    • G01R33/483—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
    • 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
    • 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
    • G01R33/543—Control 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
    • 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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201580063489.XA 2014-09-18 2015-08-17 生成多频带rf脉冲的方法 Active CN107003374B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP14185295 2014-09-18
EP14185295.4 2014-09-18
EP15152589.6 2015-01-27
EP15152589 2015-01-27
CN2015076168 2015-04-09
CNPCT/CN2015/076168 2015-04-09
PCT/EP2015/068812 WO2016041715A1 (en) 2014-09-18 2015-08-17 Method of generating multi-band rf pulses

Publications (2)

Publication Number Publication Date
CN107003374A CN107003374A (zh) 2017-08-01
CN107003374B true CN107003374B (zh) 2019-12-20

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US (1) US10551457B2 (enExample)
EP (1) EP3194998B1 (enExample)
JP (1) JP6608435B2 (enExample)
CN (1) CN107003374B (enExample)
RU (1) RU2689974C2 (enExample)
WO (1) WO2016041715A1 (enExample)

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CN106999092B (zh) * 2014-11-11 2022-03-15 海珀菲纳股份有限公司 用于低场磁共振的脉冲序列
US10634751B2 (en) * 2017-09-30 2020-04-28 Uih America, Inc. Systems and methods for reducing artifacts in MRI images
TW202012951A (zh) 2018-07-31 2020-04-01 美商超精細研究股份有限公司 低場漫射加權成像
CN112285620B (zh) * 2019-07-24 2024-09-06 通用电气精准医疗有限责任公司 Rf发射系统和方法、mri系统及其预扫描方法以及存储介质
WO2021108216A1 (en) 2019-11-27 2021-06-03 Hyperfine Research, Inc. Techniques for noise suppression in an environment of a magnetic resonance imaging system
JP7637504B2 (ja) * 2020-12-10 2025-02-28 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、および画像生成方法
US20240168113A1 (en) * 2021-03-19 2024-05-23 Resonance Research, Inc. Rf pulse generation for multi-band magnetic resonance imaging
CN115486828B (zh) * 2021-06-18 2025-01-24 上海联影医疗科技股份有限公司 磁共振扫描控制方法、装置、计算机设备和存储介质
WO2022272179A1 (en) * 2021-06-25 2022-12-29 The Board Of Trustees Of The University Of Illinois System and method for producing magnetic resonance images with in-plane simultaneous multi-segments and for producing 3d magnetic resonance images with reduced field-of-view

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CN101963657A (zh) * 2009-07-24 2011-02-02 西门子迈迪特(深圳)磁共振有限公司 边带抑制方法和边带抑制装置
CN102103195A (zh) * 2009-12-18 2011-06-22 东软飞利浦医疗设备系统有限责任公司 一种宽频带数字磁共振射频接收实现装置及方法

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US5153515A (en) 1988-04-01 1992-10-06 Trustees Of The University Of Penna. Methods of generating pulses for selectively exciting frequencies
JPH0568673A (ja) * 1991-09-12 1993-03-23 Toshiba Corp Ｍｒｉの画像データ収集方法
JP3174113B2 (ja) * 1991-11-26 2001-06-11 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
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CN101441254A (zh) * 2007-04-25 2009-05-27 株式会社东芝 磁共振成像装置
CN101963657A (zh) * 2009-07-24 2011-02-02 西门子迈迪特(深圳)磁共振有限公司 边带抑制方法和边带抑制装置
CN102103195A (zh) * 2009-12-18 2011-06-22 东软飞利浦医疗设备系统有限责任公司 一种宽频带数字磁共振射频接收实现装置及方法

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JP2017527408A (ja) 2017-09-21
JP6608435B2 (ja) 2019-11-20
RU2689974C2 (ru) 2019-05-29
CN107003374A (zh) 2017-08-01
RU2017113085A (ru) 2018-10-18
EP3194998B1 (en) 2023-06-28
US10551457B2 (en) 2020-02-04
WO2016041715A1 (en) 2016-03-24
EP3194998A1 (en) 2017-07-26
US20170276751A1 (en) 2017-09-28
RU2017113085A3 (enExample) 2018-11-16

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