KR101784546B1 - 상이한 타입의 보정 코일을 사용하여 mr 시스템을 환자 맞춤형으로 b0 균질화하기 위한 방법 - Google Patents

상이한 타입의 보정 코일을 사용하여 mr 시스템을 환자 맞춤형으로 b0 균질화하기 위한 방법 Download PDF

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KR101784546B1
KR101784546B1 KR1020140107158A KR20140107158A KR101784546B1 KR 101784546 B1 KR101784546 B1 KR 101784546B1 KR 1020140107158 A KR1020140107158 A KR 1020140107158A KR 20140107158 A KR20140107158 A KR 20140107158A KR 101784546 B1 KR101784546 B1 KR 101784546B1
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correction
magnetic field
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슈테판 비버
랄프 라데벡
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지멘스 악티엔게젤샤프트
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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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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
    • 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
    • A61B5/0522—Magnetic induction tomography
    • 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]
    • G01R33/445—MR 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1020140107158A 2013-08-21 2014-08-18 상이한 타입의 보정 코일을 사용하여 mr 시스템을 환자 맞춤형으로 b0 균질화하기 위한 방법 Expired - Fee Related KR101784546B1 (ko)

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DE102013216529.3A DE102013216529B4 (de) 2013-08-21 2013-08-21 Verfahren insbesondere zur patientenadaptiven B0-Homogenisierung von MR-Systemen unter Verwendung unterschiedlicher Typen von Shim-Spulen
DE102013216529.3 2013-08-21

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KR101784546B1 true KR101784546B1 (ko) 2017-10-11

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US (1) US9851423B2 (enExample)
JP (1) JP2015039635A (enExample)
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US11300643B2 (en) 2016-07-11 2022-04-12 Synaptive Medical Inc. Adaptive shim coils for MR imaging
DE102017202878A1 (de) 2017-02-22 2018-08-23 Siemens Healthcare Gmbh Verfahren zum Betrieb einer Shimeinrichtung für ein Grundfeld in einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
WO2019126934A1 (zh) 2017-12-25 2019-07-04 深圳先进技术研究院 一种用于磁共振成像的局部匀场系统及匀场方法
EP3511727A1 (en) * 2018-01-11 2019-07-17 Koninklijke Philips N.V. Active b1+ shimming of transmission coils
CN109709503B (zh) * 2019-02-13 2021-03-23 上海联影医疗科技股份有限公司 一种磁共振系统控制方法、磁共振系统、计算机设备
JP7645042B2 (ja) 2019-02-15 2025-03-13 プロマクソ インコーポレイテッド 超低磁場緩和分散のためのシステムおよび方法
EP3736591A1 (de) * 2019-05-09 2020-11-11 Siemens Healthcare GmbH Grundfeldmagnetanordnung für ein magnetresonanztomographie-system
EP3748374B8 (en) 2019-06-06 2023-02-15 Rohde & Schwarz GmbH & Co. KG System and method for calibrating radio frequency test chambers
CN112798994A (zh) * 2019-11-14 2021-05-14 西门子(深圳)磁共振有限公司 局部匀场装置及补偿主磁场的不均匀性的方法
CN113075598B (zh) * 2020-01-03 2022-05-27 上海联影医疗科技股份有限公司 磁共振系统的磁场分布检测方法、磁共振系统及成像方法
US12055610B2 (en) * 2020-02-03 2024-08-06 Quality Electrodynamics, Llc Single shim coil design for B0 shimming
WO2021155955A1 (en) * 2020-02-07 2021-08-12 Mr Shim Gmbh Method to shim a magnetic field and magnetic resonance arrangement
CN113219389B (zh) * 2021-05-07 2023-04-14 上海联影医疗科技股份有限公司 磁共振射频模式确定方法、设备及可读存储介质
CN113625212B (zh) * 2021-08-18 2024-08-09 中国人民解放军东部战区总医院 一种磁共振系统b0场图的校正方法

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JP2015039635A (ja) 2015-03-02
DE102013216529B4 (de) 2019-05-23
DE102013216529A1 (de) 2015-02-26
US9851423B2 (en) 2017-12-26
CN104422915A (zh) 2015-03-18
CN104422915B (zh) 2019-10-15
US20150054510A1 (en) 2015-02-26
KR20150021894A (ko) 2015-03-03

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