RU2015143468A - Многоэлементная радиочастотная передающая катушка для магнитно-резонансной визуализации - Google Patents

Многоэлементная радиочастотная передающая катушка для магнитно-резонансной визуализации Download PDF

Info

Publication number
RU2015143468A
RU2015143468A RU2015143468A RU2015143468A RU2015143468A RU 2015143468 A RU2015143468 A RU 2015143468A RU 2015143468 A RU2015143468 A RU 2015143468A RU 2015143468 A RU2015143468 A RU 2015143468A RU 2015143468 A RU2015143468 A RU 2015143468A
Authority
RU
Russia
Prior art keywords
radio frequency
coil
magnetic resonance
resonance imaging
transmitting coil
Prior art date
Application number
RU2015143468A
Other languages
English (en)
Russian (ru)
Inventor
Кристоф ЛОЙССЛЕР
Даниэль ВИРТЦ
Original Assignee
Конинклейке Филипс Н.В.
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 Конинклейке Филипс Н.В. filed Critical Конинклейке Филипс Н.В.
Publication of RU2015143468A publication Critical patent/RU2015143468A/ru

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
    • G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
    • 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
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34053—Solenoid coils; Toroidal coils
    • 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
    • G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
    • 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
    • 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
    • G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal
    • 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
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
RU2015143468A 2013-03-13 2014-03-13 Многоэлементная радиочастотная передающая катушка для магнитно-резонансной визуализации RU2015143468A (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361778770P 2013-03-13 2013-03-13
US61/778,770 2013-03-13
PCT/IB2014/059703 WO2014141109A1 (en) 2013-03-13 2014-03-13 Multi-element rf transmit coil for magnetic resonance imaging

Publications (1)

Publication Number Publication Date
RU2015143468A true RU2015143468A (ru) 2017-04-19

Family

ID=50473718

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015143468A RU2015143468A (ru) 2013-03-13 2014-03-13 Многоэлементная радиочастотная передающая катушка для магнитно-резонансной визуализации

Country Status (6)

Country Link
US (1) US10073154B2 (enExample)
EP (1) EP2972445B1 (enExample)
JP (1) JP6351640B2 (enExample)
CN (1) CN105190342B (enExample)
RU (1) RU2015143468A (enExample)
WO (1) WO2014141109A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013225484B3 (de) * 2013-12-10 2015-03-12 Siemens Aktiengesellschaft Signalauswahl bei der Erfassung von Empfangssignalen für Empfangsantennen einer Anzahl von Lokalspulen eines Magnetresonanztomographiegerätes
KR102290276B1 (ko) * 2014-06-12 2021-08-17 삼성전자주식회사 Rf 표면 코일부 및 이를 포함하는 자기공명영상 시스템
WO2016059190A1 (en) * 2014-10-16 2016-04-21 Koninklijke Philips N.V. Receive coil unit with integrated noise antennas and magnetic resonance imaging system with such a receive coil unit
US9977099B2 (en) * 2014-12-30 2018-05-22 General Electric Company Systems and methods for integrated pick-up loops in body coil conductors
CN107533116B (zh) * 2015-04-24 2021-07-06 皇家飞利浦有限公司 多通道发送/接收射频(rf)系统
WO2017009315A1 (en) * 2015-07-15 2017-01-19 Koninklijke Philips N.V. Rf transmit module with a local field monitoring unit for a magnetic resonance examination system
DE102016208001A1 (de) * 2016-05-10 2017-11-16 Siemens Healthcare Gmbh Verfahren zum Betrieb einer Magnetresonanzanlage, Datenträger sowie Magnetresonanzanlage
WO2018060332A1 (en) * 2016-09-29 2018-04-05 Koninklijke Philips N.V. Wireless magnetic resonance energy harvesting and coil detuning
DE102016222635B4 (de) * 2016-11-17 2019-06-06 Siemens Healthcare Gmbh Spulenanordnung umfassend eine flexible Lokalspule und eine starre Lokalspule
EP3382410A1 (en) * 2017-03-30 2018-10-03 Koninklijke Philips N.V. Mri system with optimized rf transmit and receive capabilities
CN109714143B (zh) 2017-10-26 2021-12-31 通用电气公司 基于无线或有限线缆互联的同步系统和方法及mr系统
EP3486672A1 (en) 2017-11-16 2019-05-22 Koninklijke Philips N.V. Magnetic resonance imaging system with rf motion detection
EP3514561A1 (en) * 2018-01-18 2019-07-24 Koninklijke Philips N.V. Multi-channel magnetic resonance imaging rf coil
EP3749972B1 (en) * 2018-02-09 2023-06-14 Koninklijke Philips N.V. Apparatus for non-galvanic connection of mri receive coil to mri system using rf-over-fiber
EP3528001A1 (en) * 2018-02-15 2019-08-21 Koninklijke Philips N.V. Multi-channel rf transmit system
CN109617263B (zh) * 2018-12-21 2024-12-17 深圳先进技术研究院 一种电能发射端及无线充电装置
EP3680679A1 (en) * 2019-01-11 2020-07-15 Koninklijke Philips N.V. Automated detection of receive coil location
CN209471228U (zh) 2019-01-28 2019-10-08 上海联影医疗科技有限公司 磁共振数据传输装置和磁共振系统
US20210124001A1 (en) * 2019-10-25 2021-04-29 Hyperfine Research, Inc. Systems and methods for detecting patient motion during magnetic resonance imaging
EP3841972A1 (en) * 2019-12-23 2021-06-30 Koninklijke Philips N.V. Rf coil with integrated vital signs detector
WO2023280747A1 (en) * 2021-07-06 2023-01-12 Koninklijke Philips N.V. Radio frequency receive array coil for magnetic resonance imaging system, method of use of the coil, and mri system comprising the coil
CN114051316B (zh) * 2022-01-11 2022-03-22 龙旗电子(惠州)有限公司 一种印刷电路板

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05237078A (ja) 1992-02-29 1993-09-17 Shimadzu Corp Ｍｒ装置の励起パワー監視装置
JPH0838447A (ja) * 1994-07-31 1996-02-13 Shimadzu Corp 核磁気共鳴検査装置
WO2004089211A2 (en) * 2003-04-10 2004-10-21 Koninklijke Philips Electronics N.V. Wireless digital transmission of mr signals
WO2005001502A1 (en) * 2003-06-30 2005-01-06 Koninklijke Philips Electronics N.V. Control of specific absorption rate (asr) in mri
US6989673B2 (en) * 2003-11-26 2006-01-24 General Electric Company Method and apparatus to reduce RF power deposition during MR data acquisition
EP1810047B1 (en) * 2004-11-04 2013-01-09 Koninklijke Philips Electronics N.V. Rf receive coil assembly with individual digitizers and means for synchronization thereof
WO2006114749A1 (en) * 2005-04-28 2006-11-02 Koninklijke Philips Electronics N.V. Method and circuit arrangement for operating multi-channel transmit/receive antenna devices
ATE551784T1 (de) * 2005-04-29 2012-04-15 Koninkl Philips Electronics Nv Verfahren und schaltungsanordnung für den betrieb von mehrkanal-sende-/empfangsantennen- vorrichtungen
US7615999B2 (en) * 2005-04-29 2009-11-10 Koninklijke Philips Electronics N.V. Method and circuit arrangement for operating multi-channel transmit/receive antenna devices
US7511492B2 (en) * 2006-02-21 2009-03-31 Beth Israel Deaconess Medical Center, Inc. Magnetic resonance imaging and radio frequency impedance mapping methods and apparatus
US7616000B2 (en) * 2007-11-15 2009-11-10 General Electric Company Ultra low output impedance RF power amplifier for parallel excitation
WO2009128013A1 (en) * 2008-04-16 2009-10-22 Koninklijke Philips Electronics N.V. Real-time local and global sar estimation for patient safety and improved scanning performance
US20110133729A1 (en) 2008-08-15 2011-06-09 Koninklijke Philips Electronics N.V. Method and monitoring device for performing an rf-safe mit scan
JP5542591B2 (ja) * 2009-11-12 2014-07-09 株式会社東芝 磁気共鳴イメージング装置、および、磁気共鳴イメージング方法
WO2011061486A1 (en) 2009-11-18 2011-05-26 Emblation Limited A microwave apparatus and method
EP2343567A1 (en) * 2009-12-31 2011-07-13 Koninklijke Philips Electronics N.V. Method for calculating local specific energy absorption rate (SAR) in nuclear magnetic resonance
US8378683B2 (en) 2010-03-30 2013-02-19 Natalia Gudino Hall effect current sensor
WO2012129430A2 (en) 2011-03-22 2012-09-27 The Johns Hopkins University High dynamic range rf power monitor
EP2729824B1 (en) * 2011-07-04 2021-05-12 Koninklijke Philips N.V. Magnetic resonance imaging system with a multi-channel impedance matching network
JP6042069B2 (ja) * 2012-01-25 2016-12-14 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置
DE102013205651B4 (de) * 2013-03-28 2024-09-12 Siemens Healthineers Ag Vorrichtung, Verfahren, System und Computerprogrammprodukt zur Steuerung von bildgebenden Verfahren und Systemen

Also Published As

Publication number Publication date
US10073154B2 (en) 2018-09-11
CN105190342B (zh) 2018-01-30
JP2016514993A (ja) 2016-05-26
US20160033591A1 (en) 2016-02-04
JP6351640B2 (ja) 2018-07-04
CN105190342A (zh) 2015-12-23
EP2972445A1 (en) 2016-01-20
EP2972445B1 (en) 2022-09-07
WO2014141109A1 (en) 2014-09-18

Similar Documents

Publication Publication Date Title
RU2015143468A (ru) Многоэлементная радиочастотная передающая катушка для магнитно-резонансной визуализации
JP2016514993A5 (enExample)
US10210994B2 (en) Coil structure and wireless power transmitter using the same
US10326316B2 (en) Wireless charging system with inductance imaging
JP2017518018A5 (enExample)
JP5508906B2 (ja) 磁気共鳴イメージング装置およびｒｆコイル
MX2014001716A (es) Reduccion del campo de transmision de radiofrecuencia en un volumen predeterminado durante la formacion de imagenes de resonancia magnetica.
WO2013052277A3 (en) Adaptive tuning of an impedance matching circuit in a wireless device
EP2757385B1 (en) Radio frequency coil for magnetic resonance
JP2012501237A5 (enExample)
CN105717470B (zh) 磁共振局部线圈系统,磁共振系统及其运行方法
JP2015159690A (ja) 異物検出装置、無線電力伝送装置、及び無線電力伝送システム
US20160025798A1 (en) Rf coil storage device and rf coil device
JP5786533B2 (ja) 無線式体温計および無線式体温測定システム
US10063285B2 (en) Antenna device of electronic apparatus
JP2012170315A5 (enExample)
JP2016101202A5 (enExample)
RU2014150515A (ru) Конструкция схемы питания для подачи радиочастотного сигнала на множество катушечных элементов в магнитно-резонансной системе катушек
US10141793B2 (en) Method and device for impedance matching using isolated resonator in wireless power transmission system
EP2952887A8 (en) Sensor, measuring device, and measuring method for measuring the permittivity of a sample using a helix conductor
JP5398237B2 (ja) 高周波コイルユニット
JP2018050468A (ja) 異物検出装置、無線電力伝送装置、及び無線電力伝送システム
KR102039864B1 (ko) 빔 조향이 가능한 메타구조 전송선을 이용한 무선 전력 전송 시스템
US9338742B2 (en) Method and apparatus for reducing power consumption of receiver
JP6394123B2 (ja) コイルユニット