CN107438773B - 包括rf换能器和磁场探头阵列的无线类型rf线圈装置 - Google Patents

包括rf换能器和磁场探头阵列的无线类型rf线圈装置 Download PDF

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CN107438773B
CN107438773B CN201680020642.5A CN201680020642A CN107438773B CN 107438773 B CN107438773 B CN 107438773B CN 201680020642 A CN201680020642 A CN 201680020642A CN 107438773 B CN107438773 B CN 107438773B
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radio frequency
magnetic field
field strength
local clock
strength information
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CN107438773A (zh
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G·R·丁辛
A·赖高斯基
C·塞勒
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Koninklijke Philips NV
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    • 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
    • G01R33/32—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
    • 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • 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
    • G01R33/5619—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 by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56572—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of a gradient magnetic field, e.g. non-linearity of a 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Nonlinear Science (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201680020642.5A 2015-03-31 2016-03-24 包括rf换能器和磁场探头阵列的无线类型rf线圈装置 Active CN107438773B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562140788P 2015-03-31 2015-03-31
US62/140,788 2015-03-31
PCT/IB2016/051664 WO2016157039A1 (en) 2015-03-31 2016-03-24 Wireless-type rf coil apparatus comprising an rf transducer array and a magnetic field probe array

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CN107438773A CN107438773A (zh) 2017-12-05
CN107438773B true CN107438773B (zh) 2021-04-20

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US (1) US10473738B2 (enExample)
EP (1) EP3278130B1 (enExample)
JP (1) JP6620167B2 (enExample)
CN (1) CN107438773B (enExample)
WO (1) WO2016157039A1 (enExample)

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RU2700469C2 (ru) * 2014-09-25 2019-09-17 Конинклейке Филипс Н.В. Катушка цифрового приемника со встроенным индикатором принимаемого фазового шума
US20170192072A1 (en) * 2016-01-06 2017-07-06 General Electric Company Methods and systems for correcting k-space trajectories
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
CN111174938A (zh) * 2020-02-23 2020-05-19 蚌埠市智峰科技有限公司 一种防疫测温记录臂环
CN111856601B (zh) * 2020-07-06 2023-03-14 吉林大学 一种分布式磁共振地下水探测装置及探测方法
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
WO2023014924A1 (en) * 2021-08-05 2023-02-09 President And Fellows Of Harvard College Miniaturized magnetic field sensor
CN117805705A (zh) * 2022-09-26 2024-04-02 西门子(深圳)磁共振有限公司 磁共振成像系统中的局部线圈控制装置及无线局部线圈

Citations (4)

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CN1123003A (zh) * 1994-01-31 1996-05-22 通用电气公司 在信号获取期间具有随时间变化的梯度的mri系统
US20130271126A1 (en) * 2012-04-12 2013-10-17 Case Western Reserve University Wireless Magnetic Field Monitoring In Magnetic Resonance Imaging
CN103430038A (zh) * 2011-03-17 2013-12-04 皇家飞利浦有限公司 没有图像劣化的较快的逐个信道重建的mri方法
CN103890599A (zh) * 2011-10-17 2014-06-25 皇家飞利浦有限公司 具有氟弹性体或含氟化合物的溶液的用于磁共振成像的磁场探头

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JP3168675B2 (ja) 1992-03-19 2001-05-21 株式会社日立製作所 核磁気共鳴検査装置
EP1582886B1 (en) 2004-04-02 2012-08-15 Universität Zürich Magnetic resonance apparatus with magnetic field detectors
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JP5355044B2 (ja) * 2008-11-11 2013-11-27 株式会社東芝 磁気共鳴映像装置
EP2513661B1 (en) * 2009-12-17 2019-05-22 Koninklijke Philips N.V. Direct digital receiver with local free running clock
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CN1123003A (zh) * 1994-01-31 1996-05-22 通用电气公司 在信号获取期间具有随时间变化的梯度的mri系统
CN103430038A (zh) * 2011-03-17 2013-12-04 皇家飞利浦有限公司 没有图像劣化的较快的逐个信道重建的mri方法
CN103890599A (zh) * 2011-10-17 2014-06-25 皇家飞利浦有限公司 具有氟弹性体或含氟化合物的溶液的用于磁共振成像的磁场探头
US20130271126A1 (en) * 2012-04-12 2013-10-17 Case Western Reserve University Wireless Magnetic Field Monitoring In Magnetic Resonance Imaging

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Publication number Publication date
US10473738B2 (en) 2019-11-12
US20180106875A1 (en) 2018-04-19
WO2016157039A1 (en) 2016-10-06
JP6620167B2 (ja) 2019-12-11
CN107438773A (zh) 2017-12-05
JP2018510004A (ja) 2018-04-12
EP3278130B1 (en) 2023-09-27
EP3278130A1 (en) 2018-02-07

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