JP7219477B2 - 磁気共鳴イメージングを改善する装置 - Google Patents

磁気共鳴イメージングを改善する装置 Download PDF

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JP7219477B2
JP7219477B2 JP2019567651A JP2019567651A JP7219477B2 JP 7219477 B2 JP7219477 B2 JP 7219477B2 JP 2019567651 A JP2019567651 A JP 2019567651A JP 2019567651 A JP2019567651 A JP 2019567651A JP 7219477 B2 JP7219477 B2 JP 7219477B2
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unit cell
array
mri machine
resonant frequency
specimen
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JP2020523097A5 (cg-RX-API-DMAC7.html
JP2020523097A (ja
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ヂャン シン
アンダーソン ステファン
ドゥアン グアンウー
ヂャオ シャオグアン
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Boston University
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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
    • G01R33/44—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
    • G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/343—Constructional details, e.g. resonators, specially adapted to MR of slotted-tube or loop-gap type
    • 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
    • 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
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2019567651A 2017-06-07 2018-06-07 磁気共鳴イメージングを改善する装置 Active JP7219477B2 (ja)

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US201762516376P 2017-06-07 2017-06-07
US62/516,376 2017-06-07
PCT/US2018/036447 WO2018226946A1 (en) 2017-06-07 2018-06-07 Apparatus for improving magnetic resonance imaging

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JP2020523097A5 JP2020523097A5 (cg-RX-API-DMAC7.html) 2021-07-26
JP7219477B2 true JP7219477B2 (ja) 2023-02-08

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EP (1) EP3635424A4 (cg-RX-API-DMAC7.html)
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KR (1) KR102569416B1 (cg-RX-API-DMAC7.html)
CN (1) CN110678769B (cg-RX-API-DMAC7.html)
AU (1) AU2018279078B2 (cg-RX-API-DMAC7.html)
CA (1) CA3062191A1 (cg-RX-API-DMAC7.html)
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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018226946A1 (en) * 2017-06-07 2018-12-13 Trustees Of Boston University Apparatus for improving magnetic resonance imaging
IT201900012492A1 (it) * 2019-07-22 2021-01-22 Univ Degli Studi Dellaquila Apparato per risonanza magnetica facente uso di metamateriali
US11219384B2 (en) 2019-10-08 2022-01-11 Trustees Of Boston University Nonlinear and smart metamaterials useful to change resonance frequencies
CN114910840B (zh) * 2021-02-10 2024-04-23 清华大学 磁场增强组件及磁场增强器件
CN114910851B (zh) * 2021-02-10 2024-04-26 清华大学 基于二极管的非线性响应mri图像增强超构表面器件
CN114910841B (zh) * 2021-02-10 2024-04-19 清华大学 磁场增强组件和磁场增强器件
CN114910844B (zh) * 2021-02-10 2024-04-19 清华大学 磁场增强组件及磁场增强器件
CN114910838B (zh) * 2021-02-10 2024-04-26 清华大学 磁场增强组件以及磁场增强器件
CN114910849B (zh) * 2021-02-10 2024-04-19 清华大学 一种异形曲面mri图像增强超构表面器件
WO2022232416A1 (en) * 2021-04-29 2022-11-03 Cornell University Self-tuning liquid metal rf coil and coil array for mri
US20220373624A1 (en) * 2021-05-21 2022-11-24 Zepp, Inc. Permittivity Enhanced Magnetic Resonance Imaging (MRI) And Magnetic Resonance Spectroscopy (MRS)
WO2024254761A1 (zh) * 2023-06-13 2024-12-19 中国科学院深圳先进技术研究院 一种用于磁共振成像的射频信号接收系统
DE102023209136A1 (de) 2023-09-20 2025-03-20 Siemens Healthineers Ag Rekonfigurierbare Lokalspule, Vorrichtung zum Rekonfigurieren und Verfahren zum Betrieb

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100127707A1 (en) 2008-11-25 2010-05-27 Electronics And Telecommunications Research Institute Wearable magnetic resonator for mri resolution improvement, and application device including the same
WO2014142772A2 (en) 2013-03-14 2014-09-18 Hilmi Volkan Demir Enhancement of magnetic resonance image resolution by using bio-compatible, passive resonator hardware

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI73320C (fi) 1984-01-20 1987-09-10 Instrumentarium Oy Nmr-spolarrangemang.
JP3216938B2 (ja) * 1993-06-08 2001-10-09 株式会社日立製作所 Ｍｒｉ用ｒｆプローブ及び磁気共鳴撮影装置
US6002311A (en) * 1997-10-23 1999-12-14 Allgon Ab Dielectric TM mode resonator for RF filters
DE19751017C2 (de) 1997-11-18 2002-04-11 Siemens Ag MR-Abbildungssystem mit galvanisch isoliertem Spulenelement
US7945322B2 (en) 2005-11-11 2011-05-17 Greatbatch Ltd. Tank filters placed in series with the lead wires or circuits of active medical devices to enhance MRI compatibility
US7848788B2 (en) * 1999-04-15 2010-12-07 The Johns Hopkins University Magnetic resonance imaging probe
US7463027B2 (en) * 2003-05-02 2008-12-09 Halliburton Energy Services, Inc. Systems and methods for deep-looking NMR logging
US7176840B1 (en) * 2005-04-08 2007-02-13 Michael Peter Kelley Variable spacing inductance coil apparatus and method
EP1884190A1 (en) * 2005-04-28 2008-02-06 Hitachi Medical Corporation Magnetic resonance imaging apparatus
US20090128152A1 (en) * 2006-06-22 2009-05-21 Koninklijke Philips Electronics N. V. Simultaneous mri imaging of multiple subjects
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
DE102007047020B4 (de) * 2007-10-01 2012-07-12 Siemens Ag Anordnung zur Übertragung von Magnetresonanzsignalen
US7906965B2 (en) * 2007-11-05 2011-03-15 The United States Of America As Represented By The Department Of Health And Human Services Methods and apparatuses for estimating the elliptical cone of uncertainty
WO2010051108A2 (en) * 2008-09-11 2010-05-06 Lawrence Livermore National Security, Llc Model-based tomographic reconstruction
US20110204891A1 (en) 2009-06-25 2011-08-25 Lockheed Martin Corporation Direct magnetic imaging apparatus and method
US9494668B2 (en) * 2011-12-02 2016-11-15 The Johns Hopkins University Systems and methods for measuring nuclear magnetic resonance spin-lattice relaxation time T1 and spin-spin relaxation time T2
US9222902B2 (en) * 2012-01-09 2015-12-29 Schlumberger Technology Corporation Estimations of nuclear magnetic resonance measurement distributions
US9262824B2 (en) * 2012-02-13 2016-02-16 Arizona Board Of Regents On Behalf Of The University Of Arizona Assessments of vascular permeability for biomedical imaging studies
US20150015259A1 (en) * 2012-02-22 2015-01-15 The Trustees Of Columbia University In The City Of New York System, arrangement and method for decoupling rf coils using one or more non-standardly-matched coil elements
US9146293B2 (en) * 2012-02-27 2015-09-29 Ohio State Innovation Foundation Methods and apparatus for accurate characterization of signal coil receiver sensitivity in magnetic resonance imaging (MRI)
CN103296446B (zh) * 2012-02-29 2017-06-30 深圳光启创新技术有限公司 一种超材料及mri成像增强器件
CN103367921B (zh) * 2012-03-31 2017-08-25 深圳光启创新技术有限公司 一种超材料及mri磁信号增强器件
WO2014043668A1 (en) * 2012-09-17 2014-03-20 The Johns Hopkins University Non-invasive temperature mapping using temperature-responsive water saturation shift referencing (t-wassr) mri
WO2015012201A1 (ja) * 2013-07-22 2015-01-29 株式会社日立メディコ 高周波コイル及び磁気共鳴撮像装置
DE102013216376B4 (de) * 2013-08-19 2017-08-31 Siemens Healthcare Gmbh Antenneneinrichtung zum Empfang von Magnetresonanzsignalen
US10209335B2 (en) * 2014-04-21 2019-02-19 Case Western Reserve University Nuclear magnetic resonance (NMR) fingerprinting with singular value decomposition (SVD) compression
US10520570B2 (en) * 2014-05-09 2019-12-31 Beth Israel Deaconess Medical Center, Inc. System and method for tissue characterization using multislice magnetic resonance imaging
EP3169230A4 (en) 2014-07-17 2018-04-04 Elwha LLC Artificially structured unit cells providing localized b1 magnetic fields for mri and nmr devices
FR3033413B1 (fr) * 2015-03-03 2017-03-24 Commissariat Energie Atomique Procede et dispositif de spectroscopie de resonance de spin electronique de tres haute sensibilite
WO2017017181A1 (en) 2015-07-30 2017-02-02 Universitat Autonoma De Barcelona A contactless displacement and velocity measurement system
WO2017031638A1 (en) * 2015-08-21 2017-03-02 Shanghai United Imaging Healthcare Co., Ltd. System and method for flip angle determination in magnetic resonance imaging
US10591426B2 (en) * 2015-08-24 2020-03-17 Commonwealth Scientific And Industrial Research Organisation Apparatus for on-line detection of magnetic resonance signals from a target material in a mineral slurry
US10215821B2 (en) * 2015-12-22 2019-02-26 Washington University Methods for simultaneous multi-angular relaxometry and RF mapping of tissue using magnetic resonance imaging
JP6590736B2 (ja) * 2016-03-04 2019-10-16 株式会社日立製作所 高周波コイル及びそれを用いた磁気共鳴撮像装置
JP6588644B2 (ja) * 2016-03-14 2019-10-09 日本電子株式会社 核磁気共鳴プローブの多重共鳴回路の誘導結合および使用方法
CA2964945A1 (en) * 2016-04-22 2017-10-22 Sunnybrook Research Institute System and method for producing distortion free magnetic resonance images using dual-echo echo-planar imaging
WO2018226946A1 (en) * 2017-06-07 2018-12-13 Trustees Of Boston University Apparatus for improving magnetic resonance imaging

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100127707A1 (en) 2008-11-25 2010-05-27 Electronics And Telecommunications Research Institute Wearable magnetic resonator for mri resolution improvement, and application device including the same
WO2014142772A2 (en) 2013-03-14 2014-09-18 Hilmi Volkan Demir Enhancement of magnetic resonance image resolution by using bio-compatible, passive resonator hardware

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CN110678769A (zh) 2020-01-10
JP2020523097A (ja) 2020-08-06
EP3635424A4 (en) 2021-03-03
AU2018279078A1 (en) 2019-11-21
US10324152B2 (en) 2019-06-18
KR102569416B1 (ko) 2023-08-22
AU2018279078B2 (en) 2023-09-28
US20190302209A1 (en) 2019-10-03
CN110678769B (zh) 2023-05-16
EP3635424A1 (en) 2020-04-15
US20180356483A1 (en) 2018-12-13
KR20200015720A (ko) 2020-02-12
US10884089B2 (en) 2021-01-05
WO2018226946A1 (en) 2018-12-13
CA3062191A1 (en) 2018-12-13

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