JP6605268B2 - 磁気共鳴イメージング装置及び無線ｒｆコイル装置 - Google Patents

磁気共鳴イメージング装置及び無線ｒｆコイル装置 Download PDF

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Publication number
JP6605268B2
JP6605268B2 JP2015184306A JP2015184306A JP6605268B2 JP 6605268 B2 JP6605268 B2 JP 6605268B2 JP 2015184306 A JP2015184306 A JP 2015184306A JP 2015184306 A JP2015184306 A JP 2015184306A JP 6605268 B2 JP6605268 B2 JP 6605268B2
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Japan
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signal
frequency
magnetic resonance
resonance imaging
wireless
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JP2015184306A
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Japanese (ja)
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JP2017056044A (ja
JP2017056044A5 (enExample
Inventor
和幸 副島
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Canon Medical Systems Corp
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Canon Medical Systems Corp
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Priority to JP2015184306A priority Critical patent/JP6605268B2/ja
Priority to US15/230,905 priority patent/US10215819B2/en
Publication of JP2017056044A publication Critical patent/JP2017056044A/ja
Publication of JP2017056044A5 publication Critical patent/JP2017056044A5/ja
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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
    • G01R33/32—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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
    • G01R33/307—Sample handling arrangements, e.g. sample cells, spinning mechanisms specially adapted for moving the sample relative to the MR system, e.g. spinning mechanisms, flow cells or means for positioning the sample inside a spectrometer
    • 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
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3607—RF waveform generators, e.g. frequency generators, amplitude-, frequency- or phase modulators or shifters, pulse programmers, digital to analog converters for the RF signal, means for filtering or attenuating of the RF 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
    • G01R33/28—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
    • G01R33/3614—RF power amplifiers
    • 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
    • G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H04L7/0012—Synchronisation information channels, e.g. clock distribution lines by comparing receiver clock with transmitter clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2015184306A 2015-09-17 2015-09-17 磁気共鳴イメージング装置及び無線ｒｆコイル装置 Active JP6605268B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015184306A JP6605268B2 (ja) 2015-09-17 2015-09-17 磁気共鳴イメージング装置及び無線ｒｆコイル装置
US15/230,905 US10215819B2 (en) 2015-09-17 2016-08-08 Magnetic resonance imaging apparatus and wireless RF coil apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015184306A JP6605268B2 (ja) 2015-09-17 2015-09-17 磁気共鳴イメージング装置及び無線ｒｆコイル装置

Publications (3)

Publication Number Publication Date
JP2017056044A JP2017056044A (ja) 2017-03-23
JP2017056044A5 JP2017056044A5 (enExample) 2018-10-25
JP6605268B2 true JP6605268B2 (ja) 2019-11-13

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JP2015184306A Active JP6605268B2 (ja) 2015-09-17 2015-09-17 磁気共鳴イメージング装置及び無線ｒｆコイル装置

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Country Link
US (1) US10215819B2 (enExample)
JP (1) JP6605268B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2700469C2 (ru) * 2014-09-25 2019-09-17 Конинклейке Филипс Н.В. Катушка цифрового приемника со встроенным индикатором принимаемого фазового шума
WO2017114951A1 (en) * 2015-12-31 2017-07-06 Koninklijke Philips N.V. Magnetic-resonance imaging data synchronizer
WO2019086312A1 (en) 2017-11-01 2019-05-09 Koninklijke Philips N.V. Systems and methods for wireless communication in magnetic resonance imaging (mri) systems
US11041929B2 (en) 2018-08-14 2021-06-22 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for signal synchronization in MRI device
CN111175680B (zh) * 2018-11-13 2022-10-28 上海联影医疗科技股份有限公司 磁共振系统的同步方法、磁共振系统
RU195653U1 (ru) * 2019-07-09 2020-02-03 федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский университет ИТМО" (Университет ИТМО) Беспроводная локальная приёмо-передающая катушка для магнитно-резонансной томографии
CN112305477B (zh) * 2019-07-24 2024-01-30 西门子(深圳)磁共振有限公司 借助局部线圈的宽带信号进行数据传输的装置、系统和方法
CN112462308A (zh) * 2020-10-21 2021-03-09 上海东软医疗科技有限公司 磁共振信号接收装置和磁共振设备
US11874352B2 (en) 2021-06-23 2024-01-16 Siemens Healthcare Gmbh Apparatus and method for transferring clock signals from a magnetic resonance tomography unit to a peripheral device
JP2024163758A (ja) * 2023-05-12 2024-11-22 キヤノン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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004017337D1 (de) * 2003-09-10 2008-12-04 Koninkl Philips Electronics Nv Magnetresonanzabbildungs-empfangskette mit dynamischer verstärkung und drahtloser empfängerspule
WO2006137324A1 (ja) * 2005-06-22 2006-12-28 Matsushita Electric Industrial Co., Ltd. 無線受信装置
JP5355044B2 (ja) * 2008-11-11 2013-11-27 株式会社東芝 磁気共鳴映像装置
US8244192B2 (en) * 2009-11-25 2012-08-14 General Electric Company System and method for wireless communication of magnetic resonance data
EP2513661B1 (en) * 2009-12-17 2019-05-22 Koninklijke Philips N.V. Direct digital receiver with local free running clock
JP5422453B2 (ja) * 2010-03-18 2014-02-19 株式会社東芝 磁気共鳴イメージング装置
DE102012215726B4 (de) 2012-09-05 2016-03-31 Siemens Aktiengesellschaft Anordnung zur Übertragung von Magnetresonanzsignalen
JP6391911B2 (ja) 2013-01-23 2018-09-19 キヤノン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、及び、ｒｆコイル装置

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US10215819B2 (en) 2019-02-26
JP2017056044A (ja) 2017-03-23
US20170082706A1 (en) 2017-03-23

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