JP6462292B2 - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置 Download PDF

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Publication number
JP6462292B2
JP6462292B2 JP2014197625A JP2014197625A JP6462292B2 JP 6462292 B2 JP6462292 B2 JP 6462292B2 JP 2014197625 A JP2014197625 A JP 2014197625A JP 2014197625 A JP2014197625 A JP 2014197625A JP 6462292 B2 JP6462292 B2 JP 6462292B2
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Prior art keywords
shield
coil
axial direction
slit
slits
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JP2014197625A
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English (en)
Japanese (ja)
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JP2016067449A5 (enExample
JP2016067449A (ja
Inventor
貞範 冨羽
貞範 冨羽
坂倉　良知
良知 坂倉
岡本　和也
和也 岡本
隆尋 石原
隆尋 石原
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Canon Medical Systems Corp
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Canon Medical Systems Corp
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Application filed by Canon Medical Systems Corp filed Critical Canon Medical Systems Corp
Priority to JP2014197625A priority Critical patent/JP6462292B2/ja
Priority to US14/855,717 priority patent/US10168400B2/en
Publication of JP2016067449A publication Critical patent/JP2016067449A/ja
Publication of JP2016067449A5 publication Critical patent/JP2016067449A5/ja
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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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34076—Birdcage 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency field

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2014197625A 2014-09-26 2014-09-26 磁気共鳴イメージング装置 Active JP6462292B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014197625A JP6462292B2 (ja) 2014-09-26 2014-09-26 磁気共鳴イメージング装置
US14/855,717 US10168400B2 (en) 2014-09-26 2015-09-16 Magnetic resonance imaging apparatus including RF shield including slits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014197625A JP6462292B2 (ja) 2014-09-26 2014-09-26 磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2016067449A JP2016067449A (ja) 2016-05-09
JP2016067449A5 JP2016067449A5 (enExample) 2017-09-28
JP6462292B2 true JP6462292B2 (ja) 2019-01-30

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Family Applications (1)

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JP2014197625A Active JP6462292B2 (ja) 2014-09-26 2014-09-26 磁気共鳴イメージング装置

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US (1) US10168400B2 (enExample)
JP (1) JP6462292B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3586156B1 (en) * 2017-02-27 2025-02-19 Koninklijke Philips N.V. Cooling a gradient coil of a magnetic resonance imaging system
EP3404435B1 (de) * 2017-05-18 2022-08-31 Siemens Healthcare GmbH Gradientenspuleneinheit für ein magnetresonanzgerät
US10466320B2 (en) * 2017-08-17 2019-11-05 General Electric Company Multi-layered radio frequency coil
JP6345333B1 (ja) 2017-12-25 2018-06-20 富士通株式会社 表示プログラム、表示方法および表示装置
JP6493509B1 (ja) 2017-12-25 2019-04-03 富士通株式会社 表示プログラム、表示方法および表示装置
EP3553547A1 (en) 2018-04-12 2019-10-16 Koninklijke Philips N.V. Shim irons for a magnetic resonance apparatus
EP3608929B1 (en) * 2018-08-09 2020-09-30 Siemens Healthcare GmbH A directly coolable multifilament conductor means
CN112130104A (zh) * 2020-09-25 2020-12-25 中国科学院精密测量科学与技术创新研究院 一种用于超高场动物磁共振成像的高介电常数筒
CN114487958A (zh) * 2022-01-04 2022-05-13 合肥泽璞医疗系统有限公司 用于磁共振成像设备的屏蔽组件以及磁共振成像设备
JP2024068564A (ja) * 2022-11-08 2024-05-20 富士フイルムヘルスケア株式会社 高周波コイルユニットおよび磁気共鳴イメージング装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642569A (en) 1983-12-16 1987-02-10 General Electric Company Shield for decoupling RF and gradient coils in an NMR apparatus
JPH0350543A (ja) 1989-07-18 1991-03-05 Konica Corp ハロゲン化銀写真乳剤の製造方法
JP3233974B2 (ja) * 1992-04-09 2001-12-04 株式会社東芝 Ｍｒｉ用高周波磁界シールド
US5276398A (en) * 1992-06-01 1994-01-04 Conductus, Inc. Superconducting magnetic resonance probe coil
US5592087A (en) * 1995-01-27 1997-01-07 Picker International, Inc. Low eddy current radio frequency shield for magnetic resonance imaging
US6285189B1 (en) * 1999-09-04 2001-09-04 Varian, Inc. Millipede coils
US7102350B2 (en) * 2004-06-30 2006-09-05 General Electric Company Shielding apparatus for magnetic resonance imaging
GB2419417B (en) * 2004-10-20 2007-05-16 Gen Electric Gradient bore cooling and RF shield
EP1991888A4 (en) * 2006-03-09 2010-01-20 Insight Neuroimaging Systems L MICROSTRUCTURE COIL FOR MRI DEVICES
DE102006058329B4 (de) * 2006-12-11 2010-01-07 Siemens Ag Magnetresonanzsystem mit einer Hochfrequenzabschirmung
US7936170B2 (en) * 2008-08-08 2011-05-03 General Electric Co. RF coil and apparatus to reduce acoustic noise in an MRI system
EP2483702A2 (en) * 2009-09-28 2012-08-08 Koninklijke Philips Electronics N.V. Mr imaging system with freely accessible examination volume
JP2011087904A (ja) * 2009-09-28 2011-05-06 Toshiba Corp 磁気共鳴イメージング装置
US9013185B2 (en) * 2011-03-07 2015-04-21 Robert W. Brown Optimized RF shield design
US20150005616A1 (en) * 2013-06-26 2015-01-01 General Electric Company Rf shield for reducing eddy current heating in a pet-mr imaging system

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Publication number Publication date
US20160091576A1 (en) 2016-03-31
US10168400B2 (en) 2019-01-01
JP2016067449A (ja) 2016-05-09

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