CN103959085B - 具有能够在阻挡状态与透明状态之间切换的射频屏蔽的mri线圈组件 - Google Patents

具有能够在阻挡状态与透明状态之间切换的射频屏蔽的mri线圈组件 Download PDF

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Publication number
CN103959085B
CN103959085B CN201280051019.8A CN201280051019A CN103959085B CN 103959085 B CN103959085 B CN 103959085B CN 201280051019 A CN201280051019 A CN 201280051019A CN 103959085 B CN103959085 B CN 103959085B
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coil
radio frequency
magnetic resonance
radio
frequency
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Chinese (zh)
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CN103959085A (zh
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C·洛斯勒
D·维尔茨
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Koninklijke Philips NV
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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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient 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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency 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
    • G01R33/32—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
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • G01R33/3635—Multi-frequency operation
    • 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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201280051019.8A 2011-10-18 2012-10-03 具有能够在阻挡状态与透明状态之间切换的射频屏蔽的mri线圈组件 Active CN103959085B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161548287P 2011-10-18 2011-10-18
US61/548,287 2011-10-18
PCT/IB2012/055289 WO2013057612A1 (en) 2011-10-18 2012-10-03 Mri coil assembly with a radio frequency shield switchable between a blocking state and a transparent state

Publications (2)

Publication Number Publication Date
CN103959085A CN103959085A (zh) 2014-07-30
CN103959085B true CN103959085B (zh) 2017-03-08

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CN201280051019.8A Active CN103959085B (zh) 2011-10-18 2012-10-03 具有能够在阻挡状态与透明状态之间切换的射频屏蔽的mri线圈组件

Country Status (8)

Country Link
US (1) US9869735B2 (https=)
EP (1) EP2745132B1 (https=)
JP (1) JP6033320B2 (https=)
CN (1) CN103959085B (https=)
IN (1) IN2014CN02544A (https=)
MX (1) MX2014004533A (https=)
RU (1) RU2595798C2 (https=)
WO (1) WO2013057612A1 (https=)

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DE102012203331B4 (de) * 2012-03-02 2015-08-27 Siemens Aktiengesellschaft Lokalschirm und Verfahren zur Abschirmung von Magnetresonanzsignalen
EP2672286A1 (en) * 2012-06-05 2013-12-11 Koninklijke Philips N.V. TEM resonator system especially for use in an MRI system
WO2014068448A1 (en) * 2012-11-05 2014-05-08 Koninklijke Philips N.V. Transmit/receive switching circuitry with improved radio frequency isolation
WO2014202552A1 (en) * 2013-06-17 2014-12-24 Koninklijke Philips N.V. Magnetic resonance imaging subject support
EP3080635A1 (en) * 2013-12-10 2016-10-19 Koninklijke Philips N.V. Calculating mri rf coil sensitivities using interpolation into an enlarged field of view
DE102014207843B4 (de) * 2014-04-25 2019-06-27 Siemens Healthcare Gmbh Knie-Spule
US10172575B2 (en) * 2014-09-16 2019-01-08 Koninklijke Philips N.V. Protection system for protecting a person against X-ray scatter radiation
DE102015201462B3 (de) * 2015-01-28 2016-05-12 Siemens Aktiengesellschaft Hochfrequenz-Spuleneinheit für eine Magnetresonanz-Bildgebung
EP3523666B1 (en) * 2016-10-10 2022-04-27 Koninklijke Philips N.V. Co-planar rf coil feeding
DE102017214088A1 (de) * 2017-08-11 2019-02-14 Siemens Healthcare Gmbh Bilddatenerzeugung in einem Untersuchungsraum einer MR-Anlage
US11564575B2 (en) 2018-01-17 2023-01-31 Shanghai United Imaging Healthcare Co., Ltd. Magnetic resonance-positron emission tomography imaging apparatus
CN108761365B (zh) * 2018-04-11 2021-02-19 上海联影医疗科技股份有限公司 屏蔽壳、屏蔽壳的制造方法、pet探测器和系统
US10598739B2 (en) * 2018-06-18 2020-03-24 Allegro Microsystems, Llc Magnetic field sensors having virtual signals
US10866118B2 (en) 2018-06-18 2020-12-15 Allegro Microsystems, Llc High resolution magnetic field sensors
US10908229B2 (en) 2018-06-18 2021-02-02 Allegro Microsystems, Llc Regulation of coefficients used in magnetic field sensor virtual signal generation
US10578679B2 (en) * 2018-06-18 2020-03-03 Allegro Microsystems, Llc Magnetic field sensors having virtual signals
US10684336B2 (en) 2018-10-24 2020-06-16 General Electric Company Radiofrequency coil and shield in magnetic resonance imaging method and apparatus
US10859648B2 (en) * 2019-04-01 2020-12-08 GE Precision Healthcare LLC Systems and methods for a configurable radio frequency coil for MR imaging
US11460525B2 (en) * 2020-02-12 2022-10-04 GE Precision Healthcare LLC Systems and methods for toroidal twinax cable trap
CN111965577B (zh) * 2020-07-07 2023-07-28 无锡鸣石峻致医疗科技有限公司 一种多频线圈
CN112540332B (zh) * 2020-12-03 2023-11-14 深圳航天科技创新研究院 一种磁共振射频屏蔽结构及其设计方法
US11762043B2 (en) 2021-03-11 2023-09-19 Allegro Microsystems, Llc High resolution magnetic field sensors

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CN1882847A (zh) * 2003-11-18 2006-12-20 皇家飞利浦电子股份有限公司 用于超高场(shf)mri的rf线圈系统

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CN85101788A (zh) * 1985-04-01 1987-01-17 菲利浦光灯制造公司 产生和/或接收交变磁场的射频线圈系统
US5419325A (en) * 1994-06-23 1995-05-30 General Electric Company Magnetic resonance (MR) angiography using a faraday catheter
US5808467A (en) * 1995-05-31 1998-09-15 Hitachi, Ltd. RF probe and inspection system using NMR using the same
CN1179543A (zh) * 1996-08-16 1998-04-22 通用电气公司 为rf电流提供多路容性信道的用于mr系统rf线圈的屏蔽
CN1882847A (zh) * 2003-11-18 2006-12-20 皇家飞利浦电子股份有限公司 用于超高场(shf)mri的rf线圈系统

Also Published As

Publication number Publication date
EP2745132B1 (en) 2020-12-09
RU2014119865A (ru) 2015-11-27
US9869735B2 (en) 2018-01-16
WO2013057612A1 (en) 2013-04-25
IN2014CN02544A (https=) 2015-07-31
EP2745132A1 (en) 2014-06-25
CN103959085A (zh) 2014-07-30
JP6033320B2 (ja) 2016-11-30
US20140253122A1 (en) 2014-09-11
MX2014004533A (es) 2014-08-01
RU2595798C2 (ru) 2016-08-27
JP2014530079A (ja) 2014-11-17

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