IN2014CN02544A - - Google Patents

Info

Publication number
IN2014CN02544A
IN2014CN02544A IN2544CHN2014A IN2014CN02544A IN 2014CN02544 A IN2014CN02544 A IN 2014CN02544A IN 2544CHN2014 A IN2544CHN2014 A IN 2544CHN2014A IN 2014CN02544 A IN2014CN02544 A IN 2014CN02544A
Authority
IN
India
Prior art keywords
radio frequency
magnetic resonance
conductive elements
frequency shield
coil assembly
Prior art date
Application number
Other languages
English (en)
Inventor
Christoph Leussler
Daniel Wirtz
Original Assignee
Koninkl Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of IN2014CN02544A publication Critical patent/IN2014CN02544A/en

Links

Classifications

    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IN2544CHN2014 2011-10-18 2012-10-03 IN2014CN02544A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161548287P 2011-10-18 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 (1)

Publication Number Publication Date
IN2014CN02544A true IN2014CN02544A (ja) 2015-07-31

Family

ID=47192031

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2544CHN2014 IN2014CN02544A (ja) 2011-10-18 2012-10-03

Country Status (8)

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

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EP2672286A1 (en) * 2012-06-05 2013-12-11 Koninklijke Philips N.V. TEM resonator system especially for use in an MRI system
US10094895B2 (en) * 2012-11-05 2018-10-09 Koninklijke Philips N.V. Transmit/receive switching circuitry with improved radio frequency isolation
CN105308471B (zh) * 2013-06-17 2018-12-18 皇家飞利浦有限公司 磁共振成像对象支撑物
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
RU2692226C2 (ru) * 2014-09-16 2019-06-21 Конинклейке Филипс Н.В. Система защиты человека от рассеянного рентгеновского излучения
DE102015201462B3 (de) * 2015-01-28 2016-05-12 Siemens Aktiengesellschaft Hochfrequenz-Spuleneinheit für eine Magnetresonanz-Bildgebung
RU2744714C2 (ru) * 2016-10-10 2021-03-15 Конинклейке Филипс Н.В. Питание копланарной rf катушки
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
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
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
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
CN103959085B (zh) 2017-03-08
CN103959085A (zh) 2014-07-30
EP2745132A1 (en) 2014-06-25
RU2014119865A (ru) 2015-11-27
US9869735B2 (en) 2018-01-16
RU2595798C2 (ru) 2016-08-27
MX2014004533A (es) 2014-08-01
US20140253122A1 (en) 2014-09-11
JP6033320B2 (ja) 2016-11-30
WO2013057612A1 (en) 2013-04-25
EP2745132B1 (en) 2020-12-09
JP2014530079A (ja) 2014-11-17

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