JP6709230B2 - 複数の独立な送受信チャネルをもつ磁気共鳴体積コイルおよびその動作方法 - Google Patents

複数の独立な送受信チャネルをもつ磁気共鳴体積コイルおよびその動作方法 Download PDF

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JP6709230B2
JP6709230B2 JP2017550475A JP2017550475A JP6709230B2 JP 6709230 B2 JP6709230 B2 JP 6709230B2 JP 2017550475 A JP2017550475 A JP 2017550475A JP 2017550475 A JP2017550475 A JP 2017550475A JP 6709230 B2 JP6709230 B2 JP 6709230B2
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coil
ring
volume
controller
channels
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Japanese (ja)
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JP2018509256A (ja
JP2018509256A5 (https=
Inventor
ジャイ，ジヨン
アンドリュー モーリッチ，マイケル
アンドリュー モーリッチ，マイケル
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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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34053—Solenoid coils; Toroidal coils
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34076—Birdcage coils
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2017550475A 2015-03-27 2016-03-28 複数の独立な送受信チャネルをもつ磁気共鳴体積コイルおよびその動作方法 Expired - Fee Related JP6709230B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562139030P 2015-03-27 2015-03-27
US62/139,030 2015-03-27
PCT/IB2016/051743 WO2016157063A1 (en) 2015-03-27 2016-03-28 Magnetic resonance volume coil with multiple independent transmit receive channels and method of operation thereof

Publications (3)

Publication Number Publication Date
JP2018509256A JP2018509256A (ja) 2018-04-05
JP2018509256A5 JP2018509256A5 (https=) 2019-09-26
JP6709230B2 true JP6709230B2 (ja) 2020-06-10

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JP2017550475A Expired - Fee Related JP6709230B2 (ja) 2015-03-27 2016-03-28 複数の独立な送受信チャネルをもつ磁気共鳴体積コイルおよびその動作方法

Country Status (5)

Country Link
US (1) US10466318B2 (https=)
EP (1) EP3274732B1 (https=)
JP (1) JP6709230B2 (https=)
CN (1) CN107430175B (https=)
WO (1) WO2016157063A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3470864A1 (en) * 2017-10-12 2019-04-17 Koninklijke Philips N.V. Feeding a coil for magnetic resonance imaging
EP3511727A1 (en) * 2018-01-11 2019-07-17 Koninklijke Philips N.V. Active b1+ shimming of transmission coils
CN109444780B (zh) * 2018-11-28 2022-06-21 上海联影医疗科技股份有限公司 发射阵列单元、体发射天线以及磁共振设备
JP7300305B2 (ja) * 2019-04-24 2023-06-29 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
CN112014780B (zh) * 2019-05-31 2023-06-27 西门子(深圳)磁共振有限公司 局部线圈及磁共振成像系统
EP3825710A1 (en) * 2019-11-19 2021-05-26 Koninklijke Philips N.V. Magnetic resonance volume coil with multiple independent transmit receive channels
US11592504B2 (en) * 2020-03-26 2023-02-28 Quality Electrodynamics, Llc MRI coil with a RF shield for radiation or x-ray applications
WO2022170746A1 (zh) * 2021-02-10 2022-08-18 清华大学 磁场增强器件及曲面磁场增强器件
CN114910846B (zh) * 2021-02-10 2024-04-23 清华大学 一种相位可控mri图像增强超构表面器件
CN114910849B (zh) * 2021-02-10 2024-04-19 清华大学 一种异形曲面mri图像增强超构表面器件
CN118688495A (zh) * 2023-03-21 2024-09-24 西门子(深圳)磁共振有限公司 用于监测磁共振系统中笼型线圈运行状态的方法和装置

Family Cites Families (16)

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JPH05261082A (ja) * 1992-03-18 1993-10-12 Hitachi Ltd 核磁気共鳴を用いた検査装置
US6522143B1 (en) * 1999-09-17 2003-02-18 Koninklijke Philips Electronics, N. V. Birdcage RF coil employing an end ring resonance mode for quadrature operation in magnetic resonance imaging
US6313633B1 (en) * 1999-12-27 2001-11-06 General Electric Company Magnetic resonance imaging head coil
US6590392B2 (en) * 2001-04-17 2003-07-08 Ge Medical Systems Global Technology Co., Llc Switchable FOV coil assembly having end saddle coils
DE10213565B3 (de) 2002-03-26 2004-01-08 Siemens Ag Hochfrequenzantenne für eine Magnetresonanzanlage
JP2006000295A (ja) 2004-06-16 2006-01-05 Natl Inst Of Radiological Sciences Ｍｒ装置用ボリュームコイル
CN1899216B (zh) * 2005-07-18 2010-05-05 北京海思威科技有限公司 垂直场磁共振成像系统射频发射线圈
US7397243B1 (en) 2007-02-23 2008-07-08 Kenergy, Inc. Magnetic resonance imaging system with a class-E radio frequency amplifier having a feedback circuit
WO2008104894A2 (en) 2007-02-26 2008-09-04 Koninklijke Philips Electronics, N.V. Sinusoidally resonant radio frequency volume coils for high field magnetic resonance applications
EP2115485A1 (en) 2007-02-26 2009-11-11 Koninklijke Philips Electronics N.V. Doubly resonant high field radio frequency surface coils for magnetic resonance
US7525313B2 (en) * 2007-05-04 2009-04-28 General Electric Company System and method for multi-channel MR transmission
US8049502B2 (en) 2008-07-18 2011-11-01 The Board Of Trustees Of The University Of Illinois Tunable radio-frequency coil
US9664756B2 (en) * 2012-02-22 2017-05-30 Hitachi, Ltd. Magnetic resonance imaging device and RF coil
JP5885845B2 (ja) * 2012-08-03 2016-03-16 株式会社日立メディコ 磁気共鳴撮像装置および高周波磁場条件決定方法
CN103698725A (zh) * 2013-11-11 2014-04-02 深圳先进技术研究院 磁共振成像系统的多通道射频线圈接口装置
US10677861B2 (en) * 2016-10-21 2020-06-09 Canon Medical Systems Corporation Magnetic resonance imaging apparatus

Also Published As

Publication number Publication date
US20180246179A1 (en) 2018-08-30
JP2018509256A (ja) 2018-04-05
CN107430175B (zh) 2020-04-21
CN107430175A (zh) 2017-12-01
WO2016157063A1 (en) 2016-10-06
EP3274732B1 (en) 2021-09-29
US10466318B2 (en) 2019-11-05
EP3274732A1 (en) 2018-01-31

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