MX2014004533A - Ensamble de bobina de imagenes de resonancia magnetica (mri) con protector de radiofrecuencia conmutable entre un estado bloqueado y un estado transparente. - Google Patents

Ensamble de bobina de imagenes de resonancia magnetica (mri) con protector de radiofrecuencia conmutable entre un estado bloqueado y un estado transparente.

Info

Publication number
MX2014004533A
MX2014004533A MX2014004533A MX2014004533A MX2014004533A MX 2014004533 A MX2014004533 A MX 2014004533A MX 2014004533 A MX2014004533 A MX 2014004533A MX 2014004533 A MX2014004533 A MX 2014004533A MX 2014004533 A MX2014004533 A MX 2014004533A
Authority
MX
Mexico
Prior art keywords
radio frequency
coil assembly
switchable
frequency shield
state
Prior art date
Application number
MX2014004533A
Other languages
English (en)
Spanish (es)
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 MX2014004533A publication Critical patent/MX2014004533A/es

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)
MX2014004533A 2011-10-18 2012-10-03 Ensamble de bobina de imagenes de resonancia magnetica (mri) con protector de radiofrecuencia conmutable entre un estado bloqueado y un estado transparente. MX2014004533A (es)

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
MX2014004533A true MX2014004533A (es) 2014-08-01

Family

ID=47192031

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014004533A MX2014004533A (es) 2011-10-18 2012-10-03 Ensamble de bobina de imagenes de resonancia magnetica (mri) con protector de radiofrecuencia conmutable entre un estado bloqueado y un estado transparente.

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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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
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US10908229B2 (en) 2018-06-18 2021-02-02 Allegro Microsystems, Llc Regulation of coefficients used in magnetic field sensor virtual signal generation
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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
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
RU2595798C2 (ru) 2016-08-27
CN103959085B (zh) 2017-03-08
JP2014530079A (ja) 2014-11-17

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