KR102569416B1 - 자기 공명 이미징을 개선하기 위한 장치 - Google Patents

자기 공명 이미징을 개선하기 위한 장치 Download PDF

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Publication number
KR102569416B1
KR102569416B1 KR1020207000381A KR20207000381A KR102569416B1 KR 102569416 B1 KR102569416 B1 KR 102569416B1 KR 1020207000381 A KR1020207000381 A KR 1020207000381A KR 20207000381 A KR20207000381 A KR 20207000381A KR 102569416 B1 KR102569416 B1 KR 102569416B1
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mri machine
array
resonant frequency
unit cell
unit cells
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Korean (ko)
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KR20200015720A (ko
Inventor
신 장
스테판 앤더슨
광우 듀앙
샤오광 자오
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트르스티스 오브 보스톤 유니버시티
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    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1020207000381A 2017-06-07 2018-06-07 자기 공명 이미징을 개선하기 위한 장치 Active KR102569416B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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

Publications (2)

Publication Number Publication Date
KR20200015720A KR20200015720A (ko) 2020-02-12
KR102569416B1 true KR102569416B1 (ko) 2023-08-22

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Country Link
US (2) US10324152B2 (https=)
EP (2) EP4734289A2 (https=)
JP (1) JP7219477B2 (https=)
KR (1) KR102569416B1 (https=)
CN (1) CN110678769B (https=)
AU (1) AU2018279078B2 (https=)
WO (1) WO2018226946A1 (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018279078B2 (en) * 2017-06-07 2023-09-28 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
JP7671997B2 (ja) * 2019-10-08 2025-05-07 トラスティーズ オブ ボストン ユニバーシティ 共振周波数を変化させるのに役立つ非線形でスマートなメタマテリアル
EP4293376A4 (en) * 2021-02-10 2024-08-14 Tsinghua University Magnetic field enhancement assembly and magnetic field enhancement device
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
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
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
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
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
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
EP4330702A4 (en) * 2021-04-29 2025-02-26 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
US7848788B2 (en) * 1999-04-15 2010-12-07 The Johns Hopkins University Magnetic resonance imaging probe
EP1642156B1 (en) * 2003-05-02 2020-03-04 Halliburton Energy Services, Inc. Systems and methods for nmr logging
US7176840B1 (en) * 2005-04-08 2007-02-13 Michael Peter Kelley Variable spacing inductance coil apparatus and method
JP4610611B2 (ja) * 2005-04-28 2011-01-12 株式会社日立メディコ 磁気共鳴撮影装置
EP1945297B1 (en) * 2005-11-11 2016-08-10 Greatbatch Ltd. Tank filters placed in series with the lead wires or circuits of active medical devices to enhance mri compatibility
JP2009540948A (ja) * 2006-06-22 2009-11-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 複数対象の同時ｍｒｉ画像法
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
EP2817649A4 (en) * 2012-02-22 2015-12-30 Univ Columbia SYSTEM, ARRANGEMENT AND METHOD FOR DISCONNECTING RF COILS USING ONE OR MORE NON-ADJUSTED 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
JP6163553B2 (ja) * 2013-07-22 2017-07-12 株式会社日立製作所 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
CN106659422A (zh) 2014-07-17 2017-05-10 埃尔瓦有限公司 为mri和nmr装置提供局域b1磁场的人工结构化单位单元
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
US10429477B2 (en) * 2015-08-21 2019-10-01 Shanghai United Imaging Healthcare Co., Ltd. System and method for flip angle determination in magnetic resonance imaging
AU2016312965B2 (en) * 2015-08-24 2021-11-25 Commonwealth Scientific And Industrial Research Organisation An 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
EP3403110B1 (en) * 2016-03-14 2021-05-26 Jeol Ltd. Inductive coupling for multiple resonance tuning in a nuclear magnetic resonance probe and methods of use
US10605883B2 (en) * 2016-04-22 2020-03-31 Sunnybrook Research Institute System and method for producing distortion free magnetic resonance images using dual-echo echo-planar imaging
AU2018279078B2 (en) * 2017-06-07 2023-09-28 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

Also Published As

Publication number Publication date
CN110678769A (zh) 2020-01-10
US10324152B2 (en) 2019-06-18
US20180356483A1 (en) 2018-12-13
CN110678769B (zh) 2023-05-16
EP3635424A4 (en) 2021-03-03
US10884089B2 (en) 2021-01-05
EP4734289A2 (en) 2026-04-29
AU2018279078A1 (en) 2019-11-21
WO2018226946A1 (en) 2018-12-13
CA3062191A1 (en) 2018-12-13
US20190302209A1 (en) 2019-10-03
JP7219477B2 (ja) 2023-02-08
KR20200015720A (ko) 2020-02-12
JP2020523097A (ja) 2020-08-06
AU2018279078B2 (en) 2023-09-28
EP3635424B1 (en) 2026-04-29
EP3635424A1 (en) 2020-04-15

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