JP6351640B2 - 磁気共鳴イメージング用の多素子rf送信コイル - Google Patents
磁気共鳴イメージング用の多素子rf送信コイル Download PDFInfo
- Publication number
- JP6351640B2 JP6351640B2 JP2015562498A JP2015562498A JP6351640B2 JP 6351640 B2 JP6351640 B2 JP 6351640B2 JP 2015562498 A JP2015562498 A JP 2015562498A JP 2015562498 A JP2015562498 A JP 2015562498A JP 6351640 B2 JP6351640 B2 JP 6351640B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- radio frequency
- magnetic resonance
- resonance imaging
- imaging system
- Prior art date
- Legal status (The legal status 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 status listed.)
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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)
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 (3)
| Publication Number | Publication Date |
|---|---|
| JP2016514993A JP2016514993A (ja) | 2016-05-26 |
| JP2016514993A5 JP2016514993A5 (enExample) | 2017-04-13 |
| JP6351640B2 true JP6351640B2 (ja) | 2018-07-04 |
Family
ID=50473718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015562498A Active JP6351640B2 (ja) | 2013-03-13 | 2014-03-13 | 磁気共鳴イメージング用の多素子rf送信コイル |
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)
| 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)
| 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 |
-
2014
- 2014-03-13 EP EP14716416.4A patent/EP2972445B1/en active Active
- 2014-03-13 RU RU2015143468A patent/RU2015143468A/ru unknown
- 2014-03-13 WO PCT/IB2014/059703 patent/WO2014141109A1/en not_active Ceased
- 2014-03-13 JP JP2015562498A patent/JP6351640B2/ja active Active
- 2014-03-13 CN CN201480013965.2A patent/CN105190342B/zh active Active
- 2014-03-13 US US14/774,175 patent/US10073154B2/en active Active
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 |
| CN105190342A (zh) | 2015-12-23 |
| EP2972445A1 (en) | 2016-01-20 |
| RU2015143468A (ru) | 2017-04-19 |
| EP2972445B1 (en) | 2022-09-07 |
| WO2014141109A1 (en) | 2014-09-18 |
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