BR112014015024A2 - dispositivo de rm - Google Patents

dispositivo de rm

Info

Publication number
BR112014015024A2
BR112014015024A2 BR112014015024A BR112014015024A BR112014015024A2 BR 112014015024 A2 BR112014015024 A2 BR 112014015024A2 BR 112014015024 A BR112014015024 A BR 112014015024A BR 112014015024 A BR112014015024 A BR 112014015024A BR 112014015024 A2 BR112014015024 A2 BR 112014015024A2
Authority
BR
Brazil
Prior art keywords
magnetic field
field
inhomogeneities
higher order
main magnetic
Prior art date
Application number
BR112014015024A
Other languages
English (en)
Portuguese (pt)
Inventor
Leonardus Gerardus Ham Cornelis
Original Assignee
Koninklijke Philips Nv
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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112014015024A2 publication Critical patent/BR112014015024A2/pt

Links

Classifications

    • 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
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR112014015024A 2011-12-23 2012-12-11 dispositivo de rm BR112014015024A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161579739P 2011-12-23 2011-12-23
PCT/IB2012/057166 WO2013093710A1 (en) 2011-12-23 2012-12-11 Use of gradient coils for correcting higher order bo field inhomogeneities in mr imaging

Publications (1)

Publication Number Publication Date
BR112014015024A2 true BR112014015024A2 (pt) 2017-06-13

Family

ID=47599136

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014015024A BR112014015024A2 (pt) 2011-12-23 2012-12-11 dispositivo de rm

Country Status (8)

Country Link
US (1) US9846210B2 (https=)
JP (1) JP6072825B2 (https=)
CN (1) CN104011557B (https=)
BR (1) BR112014015024A2 (https=)
DE (1) DE112012005359T5 (https=)
IN (1) IN2014CN05016A (https=)
RU (1) RU2614648C2 (https=)
WO (1) WO2013093710A1 (https=)

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JP5931406B2 (ja) * 2011-11-09 2016-06-08 株式会社東芝 磁気共鳴イメージング装置
GB2553465B (en) * 2015-04-10 2021-06-09 Synaptive Medical Inc Shimming coils for magnetic resonance imaging
DE102015222114A1 (de) * 2015-11-10 2017-05-11 Siemens Healthcare Gmbh Verfahren zum Ansteuern einer Shimeinheit, Steuereinheit und Magnetresonanzgerät
CN105957687B (zh) * 2016-07-08 2018-09-14 中国计量科学研究院 用于产生均匀磁场的装置和方法
DE102017004349A1 (de) * 2017-05-08 2018-11-08 Tdk-Micronas Gmbh Magnetfeldkompensationseinrichtung
DE102017213026A1 (de) * 2017-07-28 2019-01-31 Siemens Healthcare Gmbh Gradientenspule zur Erzeugung eines Magnetfeldgradienten und eines Magnetfeldes höherer Ordnung
CN114868030B (zh) * 2019-11-04 2025-08-12 皇家飞利浦有限公司 通过有源匀场减少磁场(b0)伪影
CN111551883B (zh) * 2020-04-29 2022-05-20 中国科学院苏州生物医学工程技术研究所 基于阵列线圈的磁场补偿方法及设备
DE102021203257A1 (de) 2021-03-31 2022-10-06 Siemens Healthcare Gmbh Magnetresonanztomograph und Verfahren zum Betrieb eines Magnetresonanztomographen mit beschränkter Bandbreite
CN114545312B (zh) * 2022-04-22 2022-09-09 浙江浙大西投脑机智能科技有限公司 一种非线性梯度线圈及扫描方法
DE102022210218A1 (de) * 2022-09-27 2024-03-28 Siemens Healthcare Gmbh Gradientenspuleneinheit mit separat ansteuerbaren Leiterstrukturpaaren

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SU1543317A1 (ru) * 1987-06-23 1990-02-15 Всесоюзный научно-исследовательский проектно-конструкторский и технологический институт кабельной промышленности Способ томографии на основе дерного магнитного резонанса
SU1712846A1 (ru) * 1989-12-12 1992-02-15 Ленинградский Институт Точной Механики И Оптики Система круговых катушек дл создани однородного магнитного пол
US5345178A (en) 1992-04-21 1994-09-06 Siemens Aktiengesellschaft Method for setting the current through shim coils and gradient coils in a nuclear magnetic resonance apparatus
DE4333440C1 (de) 1993-09-30 1995-04-06 Siemens Ag Verfahren zur Shimmung eines Magnetfeldes in einem Untersuchungsraum eines Kernspinresonanzgerätes
JPH0866380A (ja) * 1994-08-30 1996-03-12 Toshiba Corp 磁気共鳴イメージング装置
DE4437443C2 (de) * 1994-10-19 1996-09-12 Siemens Ag Verfahren zum Betrieb eines Kernspintomographiegerätes mit dynamisch lokalisierter Shimmung des Grundmagnetfeldes
DE19511791C1 (de) 1995-03-30 1996-08-22 Siemens Ag Verfahren zur Shimmung eines Magnetsystems eines Kernspintomographen und Vorrichtung zur Durchführung des Verfahrens
DE19511832C2 (de) 1995-03-30 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Gradientenstromversorgung für ein Kernspintomographiegerät
JP3556052B2 (ja) 1995-07-27 2004-08-18 株式会社東芝 磁気共鳴イメージング装置
US5701075A (en) * 1996-01-04 1997-12-23 General Electric Company Magnetic resonance imaging shimming by superconducting gradient shield
JP3074154B2 (ja) * 1997-09-22 2000-08-07 技術研究組合医療福祉機器研究所 磁気共鳴測定装置
US6064208A (en) 1998-04-02 2000-05-16 Picker International, Inc. Two-peak alignment method of field shimming
JP2000189396A (ja) * 1998-12-28 2000-07-11 Toshiba Corp 静磁場補正用シムコイル装置
DE19954925C2 (de) 1999-11-16 2001-10-04 Bruker Medical Gmbh Verfahren zum Korrigieren von Feldinhomogenitäten höherer Ordnung in einer Apparatur der magnetischen Resonanz
JP3847079B2 (ja) * 2000-11-21 2006-11-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｍｒｉ装置
US6342787B1 (en) * 2000-11-22 2002-01-29 Philips Medical Systems (Cleveland) Real-time multi-axis gradient distortion correction using an interactive shim set
JP2002291716A (ja) * 2001-03-30 2002-10-08 Hitachi Medical Corp 高次エンコーデイング傾斜磁場コイルを備えた磁気共鳴イメージング装置
US6933724B2 (en) * 2003-11-21 2005-08-23 General Electric Company Matrix coil for generating a variable magnetic field
JP2007529256A (ja) * 2004-03-17 2007-10-25 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 Ｂ０オフセットについての動的シムセット較正方法及び装置
US20080164878A1 (en) * 2005-03-17 2008-07-10 Koninklijke Philips Electronics N. V. Minimum Energy Shim Coils For Magnetic Resonance
WO2008122899A1 (en) * 2007-04-04 2008-10-16 Koninklijke Philips Electronics N.V. Split gradient coil and pet/mri hybrid system using the same
DE102008018265B4 (de) * 2008-04-10 2011-12-08 MRB Forschungszentrum für Magnet - Resonanz - Bayern e.V. Gradientensystem, Kernspinresonanzapparatur, Verfahren zum Erzeu-gen eines bestimmten Gradientenfelds und Computer-Programm
DE102008020107B4 (de) * 2008-04-22 2011-08-25 Bruker BioSpin GmbH, 76287 Kompakte supraleitende Magnetanordnung mit aktiver Abschirmung, wobei die Abschirmspule zur Feldformung eingesetzt wird
US9182465B2 (en) * 2011-03-04 2015-11-10 Siemens Aktiengesellschaft MRT gradient system with integrated main magnetic field generation
US8981779B2 (en) * 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices

Also Published As

Publication number Publication date
IN2014CN05016A (https=) 2015-09-18
US9846210B2 (en) 2017-12-19
CN104011557B (zh) 2017-04-05
RU2614648C2 (ru) 2017-03-28
JP2015500725A (ja) 2015-01-08
RU2014130247A (ru) 2016-02-10
WO2013093710A1 (en) 2013-06-27
US20140333306A1 (en) 2014-11-13
JP6072825B2 (ja) 2017-02-01
CN104011557A (zh) 2014-08-27
DE112012005359T5 (de) 2014-10-02

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2544 DE 08-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B350 Update of information on the portal [chapter 15.35 patent gazette]