PT2861136T - Sistema e método de imagem por ressonância magnética que utiliza um conjunto rotativo de ímanes permanentes - Google Patents

Sistema e método de imagem por ressonância magnética que utiliza um conjunto rotativo de ímanes permanentes

Info

Publication number
PT2861136T
PT2861136T PT128789914T PT12878991T PT2861136T PT 2861136 T PT2861136 T PT 2861136T PT 128789914 T PT128789914 T PT 128789914T PT 12878991 T PT12878991 T PT 12878991T PT 2861136 T PT2861136 T PT 2861136T
Authority
PT
Portugal
Prior art keywords
magnetic resonance
permanent magnets
resonance imaging
portable magnetic
rotating array
Prior art date
Application number
PT128789914T
Other languages
English (en)
Original Assignee
Massachusetts Gen Hospital
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Massachusetts Gen Hospital filed Critical Massachusetts Gen Hospital
Publication of PT2861136T publication Critical patent/PT2861136T/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34092RF coils specially adapted for NMR spectrometers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
    • A61B5/004Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
    • A61B5/0042Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part for the brain
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055Detecting, 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/46NMR spectroscopy
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3802Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/445MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4818MR 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
    • G01R33/4824MR 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 using a non-Cartesian trajectory

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Neurology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
PT128789914T 2012-06-15 2012-10-22 Sistema e método de imagem por ressonância magnética que utiliza um conjunto rotativo de ímanes permanentes PT2861136T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201261660278P 2012-06-15 2012-06-15

Publications (1)

Publication Number Publication Date
PT2861136T true PT2861136T (pt) 2021-07-13

Family

ID=49758582

Family Applications (1)

Application Number Title Priority Date Filing Date
PT128789914T PT2861136T (pt) 2012-06-15 2012-10-22 Sistema e método de imagem por ressonância magnética que utiliza um conjunto rotativo de ímanes permanentes

Country Status (11)

Country Link
US (1) US10359481B2 (pt)
EP (2) EP2861136B1 (pt)
JP (2) JP6317341B2 (pt)
KR (1) KR102020534B1 (pt)
CN (1) CN104507386B (pt)
DK (1) DK2861136T3 (pt)
ES (1) ES2885525T3 (pt)
HU (1) HUE055708T2 (pt)
IN (1) IN2014KN02928A (pt)
PT (1) PT2861136T (pt)
WO (1) WO2013187924A1 (pt)

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GB2527274A (en) * 2014-04-15 2015-12-23 Imp Innovations Ltd MRI apparatus and methods
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US10813564B2 (en) 2014-11-11 2020-10-27 Hyperfine Research, Inc. Low field magnetic resonance methods and apparatus
WO2016197029A1 (en) * 2015-06-04 2016-12-08 The Research Foundation for State University of New York Diagnosis of mild traumatic brain injury
US10527565B2 (en) 2015-07-29 2020-01-07 Chevron U.S.A. Inc. NMR sensor for analyzing core or fluid samples from a subsurface formation
DE102015218122B3 (de) 2015-09-21 2016-09-22 Universität Zu Lübeck Magnetfelderzeugende Vorrichtung für das Magnetic Particle Imaging
EP3411697B1 (en) * 2016-02-04 2021-11-24 Clear-Cut Medical Ltd. Mri imaging system using a magnet array
US10539637B2 (en) 2016-11-22 2020-01-21 Hyperfine Research, Inc. Portable magnetic resonance imaging methods and apparatus
US10585153B2 (en) 2016-11-22 2020-03-10 Hyperfine Research, Inc. Rotatable magnet methods and apparatus for a magnetic resonance imaging system
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
WO2018183035A1 (en) 2017-03-31 2018-10-04 Duke University Mri rf coil assemblies with rf coil elements that allow wireless communication data transmission and related methods and systems
US11204404B2 (en) * 2017-04-13 2021-12-21 The University Of Queensland Measurement magnet arrangement
AU2017409283B2 (en) * 2017-04-13 2023-11-16 The University Of Queensland Pre-polarisation magnet arrangement
KR20210013563A (ko) 2018-05-21 2021-02-04 하이퍼파인 리서치, 인크. 자기 공명 이미징 시스템을 위한 b0 자석 방법들 및 장치들
CN109009111A (zh) * 2018-07-16 2018-12-18 重庆大学 低场核磁共振脑出血动态监护仪控制系统
CA3117048A1 (en) * 2018-11-05 2020-05-14 Bionaut Labs Ltd. Magnetic propulsion system for magnetic devices
CN109738839B (zh) * 2018-12-29 2021-04-27 佛山瑞加图医疗科技有限公司 应用于旋转磁共振的射频线圈系统
CN109932671A (zh) * 2019-04-02 2019-06-25 重庆大学产业技术研究院 一种应用于脑卒中诊断的超低场核磁共振成像装置
DE102019216041B4 (de) 2019-10-17 2023-02-09 Bruker Biospin Mri Gmbh Hybrid-Bildgebungsvorrichtung, Verfahren zur Auslegung einer Mag-netanordnung, Verfahren zur kombinierten Aufnahme von MPI und/oder CT- Daten und/oder MRI-Daten mittels mechanisch koppelbarer bzw. entkoppelbarer und verdrehbarer Magnetringe
WO2021091931A2 (en) 2019-11-06 2021-05-14 Advanced Imaging Research, Inc. Accessible magnetic resonance imaging system
CN111161937B (zh) * 2019-12-27 2021-04-27 浙江大学 一种基于磁铁阵列的磁场产生和控制系统及其工作方法
DE102020200013A1 (de) * 2020-01-03 2021-07-08 Siemens Healthcare Gmbh Magnetresonanzeinrichtung und Verfahren zum Betrieb einer Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
US11085890B1 (en) 2020-01-31 2021-08-10 Royal Biotech Inc System for facilitating non-invasive in-situ imaging of metabolic processes of plants
DE102020202097B3 (de) 2020-02-19 2021-04-08 Bruker Biospin Mri Gmbh MPI-Bildgebungsvorrichtung, Verfahren zur Erzeugung eines Magnetfelds mit einem Gradienten und einer feldfreien Linie mittels einer MPI-Bildgebungsvorrichtung
EP4053579A1 (en) * 2020-04-17 2022-09-07 Siemens Healthcare GmbH Magnet system with decoupled gradient coils for a magnetic resonance imaging system
WO2021217144A1 (en) * 2020-04-24 2021-10-28 The General Hospital Corporation Point-of-care magnetic resonance imaging system for lumbar puncture guidance
US11707202B2 (en) 2020-09-24 2023-07-25 Electronics And Telecommunications Research Institute Apparatus for generating field-free region, apparatus and method for nano magnetic particle image
CN112684390A (zh) * 2020-11-03 2021-04-20 成都易检医疗科技有限公司 低功率磁共振成像装置、方法、系统及存储介质
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
CN113197566B (zh) * 2021-04-23 2022-07-08 无锡鸣石峻致医疗科技有限公司 一种便携式核磁共振检测系统的体内定位方法、装置、计算机设备及核磁共振检测系统
EP4148449A1 (en) * 2021-09-13 2023-03-15 Koninklijke Philips N.V. Mechanical gradient magnetic field generator
DE102022202399A1 (de) 2022-03-10 2023-09-14 Bruker Biospin Gmbh NMR Permanentmagnet in Halbach-Anordnung basierend auf Segmenten mit regulärer Polyedergeometrie sowie Herstellungsverfahren
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Also Published As

Publication number Publication date
EP2861136B1 (en) 2021-06-09
KR20150023024A (ko) 2015-03-04
CN104507386A (zh) 2015-04-08
EP2861136A4 (en) 2016-03-30
JP2018038844A (ja) 2018-03-15
CN104507386B (zh) 2019-04-19
WO2013187924A1 (en) 2013-12-19
US20150177343A1 (en) 2015-06-25
IN2014KN02928A (pt) 2015-05-08
HUE055708T2 (hu) 2021-12-28
KR102020534B1 (ko) 2019-09-10
DK2861136T3 (da) 2021-09-06
EP3933427A1 (en) 2022-01-05
JP2015519175A (ja) 2015-07-09
EP2861136A1 (en) 2015-04-22
US10359481B2 (en) 2019-07-23
ES2885525T3 (es) 2021-12-14
JP6522079B2 (ja) 2019-05-29
JP6317341B2 (ja) 2018-04-25

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