JP6033320B2 - 阻止状態と透過状態との間で切換可能な無線周波数シールドを備えたｍｒｉコイルアセンブリ - Google Patents

阻止状態と透過状態との間で切換可能な無線周波数シールドを備えたｍｒｉコイルアセンブリ Download PDF

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JP6033320B2
JP6033320B2 JP2014536357A JP2014536357A JP6033320B2 JP 6033320 B2 JP6033320 B2 JP 6033320B2 JP 2014536357 A JP2014536357 A JP 2014536357A JP 2014536357 A JP2014536357 A JP 2014536357A JP 6033320 B2 JP6033320 B2 JP 6033320B2
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radio frequency
coil
magnetic resonance
shield
coil assembly
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JP2014530079A (ja
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ロイスラー，クリストフ
ヴィルツ，ダニエル
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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)
JP2014536357A 2011-10-18 2012-10-03 阻止状態と透過状態との間で切換可能な無線周波数シールドを備えたｍｒｉコイルアセンブリ Active JP6033320B2 (ja)

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
JP2014530079A JP2014530079A (ja) 2014-11-17
JP6033320B2 true JP6033320B2 (ja) 2016-11-30

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JP2014536357A Active JP6033320B2 (ja) 2011-10-18 2012-10-03 阻止状態と透過状態との間で切換可能な無線周波数シールドを備えたｍｒｉコイルアセンブリ

Country Status (8)

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

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EP2926156B1 (en) * 2012-11-05 2020-12-09 Koninklijke Philips N.V. Transmit/receive switching circuitry with improved radio frequency isolation
JP6450750B2 (ja) * 2013-06-17 2019-01-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴画像化被験者支持器
US10353023B2 (en) * 2013-12-10 2019-07-16 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
EP3193723B1 (en) * 2014-09-16 2019-01-09 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
US10877114B2 (en) * 2016-10-10 2020-12-29 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
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
US10598739B2 (en) * 2018-06-18 2020-03-24 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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Also Published As

Publication number Publication date
EP2745132B1 (en) 2020-12-09
RU2014119865A (ru) 2015-11-27
EP2745132A1 (en) 2014-06-25
RU2595798C2 (ru) 2016-08-27
CN103959085A (zh) 2014-07-30
US9869735B2 (en) 2018-01-16
US20140253122A1 (en) 2014-09-11
IN2014CN02544A (enExample) 2015-07-31
WO2013057612A1 (en) 2013-04-25
CN103959085B (zh) 2017-03-08
MX2014004533A (es) 2014-08-01
JP2014530079A (ja) 2014-11-17

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