CN105190342B - 用于磁共振成像的多元件rf发射线圈 - Google Patents

用于磁共振成像的多元件rf发射线圈 Download PDF

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Publication number
CN105190342B
CN105190342B CN201480013965.2A CN201480013965A CN105190342B CN 105190342 B CN105190342 B CN 105190342B CN 201480013965 A CN201480013965 A CN 201480013965A CN 105190342 B CN105190342 B CN 105190342B
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China
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coil
radio frequency
magnetic resonance
resonance imaging
imaging system
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CN201480013965.2A
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English (en)
Chinese (zh)
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CN105190342A (zh
Inventor
C·洛斯勒
D·维尔茨
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Koninklijke Philips NV
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Koninklijke Philips Electronics 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
    • G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
    • 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
    • G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
    • 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
    • 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
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • 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
    • G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal
    • 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201480013965.2A 2013-03-13 2014-03-13 用于磁共振成像的多元件rf发射线圈 Active CN105190342B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361778770P 2013-03-13 2013-03-13
US61/778,770 2013-03-13
PCT/IB2014/059703 WO2014141109A1 (en) 2013-03-13 2014-03-13 Multi-element rf transmit coil for magnetic resonance imaging

Publications (2)

Publication Number Publication Date
CN105190342A CN105190342A (zh) 2015-12-23
CN105190342B true CN105190342B (zh) 2018-01-30

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Country Status (6)

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US (1) US10073154B2 (enExample)
EP (1) EP2972445B1 (enExample)
JP (1) JP6351640B2 (enExample)
CN (1) CN105190342B (enExample)
RU (1) RU2015143468A (enExample)
WO (1) WO2014141109A1 (enExample)

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KR102290276B1 (ko) * 2014-06-12 2021-08-17 삼성전자주식회사 Rf 표면 코일부 및 이를 포함하는 자기공명영상 시스템
WO2016059190A1 (en) * 2014-10-16 2016-04-21 Koninklijke Philips N.V. Receive coil unit with integrated noise antennas and magnetic resonance imaging system with such a receive coil unit
US9977099B2 (en) * 2014-12-30 2018-05-22 General Electric Company Systems and methods for integrated pick-up loops in body coil conductors
CN107533116B (zh) * 2015-04-24 2021-07-06 皇家飞利浦有限公司 多通道发送/接收射频(rf)系统
WO2017009315A1 (en) * 2015-07-15 2017-01-19 Koninklijke Philips N.V. Rf transmit module with a local field monitoring unit for a magnetic resonance examination system
DE102016208001A1 (de) * 2016-05-10 2017-11-16 Siemens Healthcare Gmbh Verfahren zum Betrieb einer Magnetresonanzanlage, Datenträger sowie Magnetresonanzanlage
WO2018060332A1 (en) * 2016-09-29 2018-04-05 Koninklijke Philips N.V. Wireless magnetic resonance energy harvesting and coil detuning
DE102016222635B4 (de) * 2016-11-17 2019-06-06 Siemens Healthcare Gmbh Spulenanordnung umfassend eine flexible Lokalspule und eine starre Lokalspule
EP3382410A1 (en) * 2017-03-30 2018-10-03 Koninklijke Philips N.V. Mri system with optimized rf transmit and receive capabilities
CN109714143B (zh) 2017-10-26 2021-12-31 通用电气公司 基于无线或有限线缆互联的同步系统和方法及mr系统
EP3486672A1 (en) 2017-11-16 2019-05-22 Koninklijke Philips N.V. Magnetic resonance imaging system with rf motion detection
EP3514561A1 (en) * 2018-01-18 2019-07-24 Koninklijke Philips N.V. Multi-channel magnetic resonance imaging rf coil
EP3749972B1 (en) * 2018-02-09 2023-06-14 Koninklijke Philips N.V. Apparatus for non-galvanic connection of mri receive coil to mri system using rf-over-fiber
EP3528001A1 (en) * 2018-02-15 2019-08-21 Koninklijke Philips N.V. Multi-channel rf transmit system
CN109617263B (zh) * 2018-12-21 2024-12-17 深圳先进技术研究院 一种电能发射端及无线充电装置
EP3680679A1 (en) * 2019-01-11 2020-07-15 Koninklijke Philips N.V. Automated detection of receive coil location
CN209471228U (zh) 2019-01-28 2019-10-08 上海联影医疗科技有限公司 磁共振数据传输装置和磁共振系统
US20210124001A1 (en) * 2019-10-25 2021-04-29 Hyperfine Research, Inc. Systems and methods for detecting patient motion during magnetic resonance imaging
EP3841972A1 (en) * 2019-12-23 2021-06-30 Koninklijke Philips N.V. Rf coil with integrated vital signs detector
WO2023280747A1 (en) * 2021-07-06 2023-01-12 Koninklijke Philips N.V. Radio frequency receive array coil for magnetic resonance imaging system, method of use of the coil, and mri system comprising the coil
CN114051316B (zh) * 2022-01-11 2022-03-22 龙旗电子(惠州)有限公司 一种印刷电路板

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Also Published As

Publication number Publication date
US10073154B2 (en) 2018-09-11
JP2016514993A (ja) 2016-05-26
US20160033591A1 (en) 2016-02-04
JP6351640B2 (ja) 2018-07-04
CN105190342A (zh) 2015-12-23
EP2972445A1 (en) 2016-01-20
RU2015143468A (ru) 2017-04-19
EP2972445B1 (en) 2022-09-07
WO2014141109A1 (en) 2014-09-18

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