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 (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)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1009140B (zh) * 1985-04-01 1990-08-08 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
JPH0349737A (ja) * 1989-07-18 1991-03-04 Toshiba Corp 磁気共鳴イメージング装置
US5132621A (en) * 1990-04-24 1992-07-21 General Electric Company Radio frequency field coil and power splitter for nmr
US5406204A (en) 1992-03-27 1995-04-11 Picker International, Inc. Integrated MRI gradient coil and RF screen
JPH07155307A (ja) * 1993-12-09 1995-06-20 Hitachi Ltd Ｍｒｉ用ｒｆコイルおよびｍｒｉ装置
US5419325A (en) * 1994-06-23 1995-05-30 General Electric Company Magnetic resonance (MR) angiography using a faraday catheter
JP3492009B2 (ja) * 1995-03-16 2004-02-03 ジーイー横河メディカルシステム株式会社 Ｍｒｉ用コイル装置
US5808467A (en) * 1995-05-31 1998-09-15 Hitachi, Ltd. RF probe and inspection system using NMR using the same
US5760584A (en) * 1996-08-16 1998-06-02 General Electric Company Shield for MR system RF coil provided with multiple capacitive channels for RF current flow
JPH11299754A (ja) * 1998-04-23 1999-11-02 Toshiba Iyo System Engineering Kk Ｍｒｉ装置用分割型ｒｆコイル
JP3457537B2 (ja) * 1998-06-30 2003-10-20 株式会社東芝 磁気共鳴映像装置
US6437567B1 (en) * 1999-12-06 2002-08-20 General Electric Company Radio frequency coil for open magnetic resonance imaging system
GB2360094A (en) * 2000-03-06 2001-09-12 Marconi Caswell Ltd RF screens for MRI
US6522144B2 (en) 2000-12-22 2003-02-18 Ge Medical Systems Global Technology Company, Llc RF shielding method and apparatus for an open MRI system
US6498947B2 (en) 2001-02-23 2002-12-24 Ge Medical Systems Global Technology Company, Llc rf shielding method and apparatus
US20050107681A1 (en) * 2003-07-23 2005-05-19 Griffiths David M. Wireless patient monitoring device for magnetic resonance imaging
US7053617B2 (en) 2003-10-01 2006-05-30 General Electric Co. Integrated electronic RF shielding apparatus for an MRI magnet
ATE472739T1 (de) * 2003-11-18 2010-07-15 Koninkl Philips Electronics Nv Hf-spulensystem für die mri mit superhohem feld (shf)
JP2006346055A (ja) * 2005-06-15 2006-12-28 Hitachi Medical Corp 磁気共鳴を用いた検査装置
JP2007260078A (ja) * 2006-03-28 2007-10-11 Ge Medical Systems Global Technology Co Llc Ｒｆコイル及び磁気共鳴撮像装置
EP2097763B1 (en) * 2006-12-22 2014-02-26 Koninklijke Philips N.V. Rf coil for use in an mr imaging system, in combination with a metamaterial
CN101790693B (zh) * 2007-02-26 2013-12-11 皇家飞利浦电子股份有限公司 用于磁共振的双谐振高磁场射频表面线圈
JP5103640B2 (ja) * 2007-04-13 2012-12-19 株式会社日立メディコ 磁気共鳴イメージング装置
JP5247214B2 (ja) * 2008-04-04 2013-07-24 株式会社日立製作所 高周波磁場コイル及び磁気共鳴撮影装置
DE102008063457B3 (de) * 2008-12-17 2010-06-02 Siemens Aktiengesellschaft Lokalspulenanordnung für Magnetresonanzanwendungen mit aktivierbarem Marker
US9488703B2 (en) 2009-12-10 2016-11-08 Koninklijke Philips N.V. Magnetic resonance-compatible electrical device with radio frequency shielding or an enclosure

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
JP6033320B2 (ja) 2016-11-30
US20140253122A1 (en) 2014-09-11
IN2014CN02544A (enExample) 2015-07-31
WO2013057612A1 (en) 2013-04-25
CN103959085B (zh) 2017-03-08
JP2014530079A (ja) 2014-11-17

Similar Documents

Publication Publication Date Title
MX2014004533A (es) Ensamble de bobina de imagenes de resonancia magnetica (mri) con protector de radiofrecuencia conmutable entre un estado bloqueado y un estado transparente.
US10601145B2 (en) Ultra compact ultra broad band dual polarized base station antenna
US9577332B2 (en) Electronic device and multi-band antenna
MX2014001716A (es) Reduccion del campo de transmision de radiofrecuencia en un volumen predeterminado durante la formacion de imagenes de resonancia magnetica.
US10355528B2 (en) Dual coil wireless power transmitter
CN106208403B (zh) 无线充电传输器与其方法
US9985341B2 (en) Device antenna for multiband communication
WO2012014038A3 (en) Coil unit, non-contact power transmitting apparatus, non-contact power receiving apparatus, vehicle, and non-contact power supply system
MX2019004815A (es) Dispositivo de control inalámbrico.
WO2002082115A3 (en) Detunable rf coil assembly and method of detuning rf coil for mri
JP2012239903A5 (enExample)
WO2014049475A3 (en) Antenna tuning apparatus for a multiport antenna array
PH12018500320A1 (en) On-line magnetic resonance measurement of conveyed material
RU2015104670A (ru) Способ измерения в диапазоне ультравысоких частот частичного разряда и соответствующее устройство
Han et al. Dual-mode wireless power transfer module for smartphone application
JP2017046360A (ja) アンテナ装置
EP3633867A3 (en) Near-field electromagnetic induction (nfemi) antenna
PH12016502333A1 (en) Apparatus having a conductive housing and an antenna with tunable resonance
GB2489378A (en) Open-bore magnet for use in magnetic resonance imaging
IN2012DE00383A (enExample)
GB2481149B (en) RF safe transformer-coupled transmission line for MRI with reduced artifacts
BR112019006953A2 (pt) bobina de radiofrequência, disposição de radiofrequência, e sistema de imageamento por ressonância magnética
Miers et al. Design of multi-antenna feeding for MIMO terminals based on characteristic modes
KR20160052264A (ko) 무선 충전 서비스 제공을 위한 탁자
US20170214435A1 (en) Device for communication by magnetic coupling

Legal Events

Date Code Title Description
FA Abandonment or withdrawal