DE602005007196D1 - Hauptmagnet-perforations-wirbelstromabschirmung für eine magnetresonanz-bildgebungseinrichtung - Google Patents

Hauptmagnet-perforations-wirbelstromabschirmung für eine magnetresonanz-bildgebungseinrichtung

Info

Publication number
DE602005007196D1
DE602005007196D1 DE602005007196T DE602005007196T DE602005007196D1 DE 602005007196 D1 DE602005007196 D1 DE 602005007196D1 DE 602005007196 T DE602005007196 T DE 602005007196T DE 602005007196 T DE602005007196 T DE 602005007196T DE 602005007196 D1 DE602005007196 D1 DE 602005007196D1
Authority
DE
Germany
Prior art keywords
resonance imaging
magnetic resonance
imaging device
eddy current
magnetic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE602005007196T
Other languages
English (en)
Inventor
Nicolaas B Roozen
Grange Martijn R La
David Biloen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics 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 Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602005007196D1 publication Critical patent/DE602005007196D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • 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
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
DE602005007196T 2004-03-15 2005-03-08 Hauptmagnet-perforations-wirbelstromabschirmung für eine magnetresonanz-bildgebungseinrichtung Expired - Fee Related DE602005007196D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04101051 2004-03-15
PCT/IB2005/050844 WO2005091009A1 (en) 2004-03-15 2005-03-08 Main magnet perforated eddy current shield for a magnetic resonance imaging device

Publications (1)

Publication Number Publication Date
DE602005007196D1 true DE602005007196D1 (de) 2008-07-10

Family

ID=34960931

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005007196T Expired - Fee Related DE602005007196D1 (de) 2004-03-15 2005-03-08 Hauptmagnet-perforations-wirbelstromabschirmung für eine magnetresonanz-bildgebungseinrichtung

Country Status (7)

Country Link
US (1) US7372271B2 (de)
EP (1) EP1728087B1 (de)
JP (1) JP2007529259A (de)
CN (1) CN1930484A (de)
AT (1) ATE397222T1 (de)
DE (1) DE602005007196D1 (de)
WO (1) WO2005091009A1 (de)

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WO2005052624A1 (en) * 2003-11-25 2005-06-09 Koninklijke Philips Electronics N.V. Actively shielded gradient coil system comprising additional eddy current shield system
JP2008152835A (ja) * 2006-12-15 2008-07-03 Hitachi Global Storage Technologies Netherlands Bv 磁気抵抗効果ヘッド、磁気記録再生装置及び磁気ヘッドの製造方法
US8183860B2 (en) * 2006-12-20 2012-05-22 Koninklijke Philips Electronics N.V. Arrangement and method for influencing and/or detecting magnetic particles in a region of action
EP2454617B1 (de) * 2009-07-15 2021-01-06 ViewRay Technologies, Inc. Verfahren und vorrichtung zur abschirmung eines linearbeschleunigers und einer magnetresonanztomographievorrichtung gegeneinander
US20110166438A1 (en) * 2009-12-17 2011-07-07 Emerson Jane F Rf field shaping and attenuation for emai induction elements
CN102403081B (zh) 2010-09-17 2015-02-11 通用电气公司 磁体组件及其制造方法
GB2487215B (en) * 2011-01-13 2014-12-10 Siemens Plc Electrically conductive shield for superconducting electromagnet system
DE102011082401B4 (de) * 2011-09-09 2015-01-08 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
US9322892B2 (en) 2011-12-20 2016-04-26 General Electric Company System for magnetic field distortion compensation and method of making same
US9279871B2 (en) 2011-12-20 2016-03-08 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
DE102011089445B4 (de) * 2011-12-21 2015-11-05 Siemens Aktiengesellschaft Verfahren und Gradientensystem zur Reduzierung von mechanischen Schwingungen in einem Magnetresonanzbildgebungssystem
DE102012013534B3 (de) 2012-07-05 2013-09-19 Tobias Sokolowski Vorrichtung für repetitive Nervenstimulation zum Abbau von Fettgewebe mittels induktiver Magnetfelder
US9274188B2 (en) 2012-11-30 2016-03-01 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
US11491342B2 (en) 2015-07-01 2022-11-08 Btl Medical Solutions A.S. Magnetic stimulation methods and devices for therapeutic treatments
US20180001107A1 (en) 2016-07-01 2018-01-04 Btl Holdings Limited Aesthetic method of biological structure treatment by magnetic field
US11266850B2 (en) 2015-07-01 2022-03-08 Btl Healthcare Technologies A.S. High power time varying magnetic field therapy
US10821295B1 (en) 2015-07-01 2020-11-03 Btl Medical Technologies S.R.O. Aesthetic method of biological structure treatment by magnetic field
US10695575B1 (en) 2016-05-10 2020-06-30 Btl Medical Technologies S.R.O. Aesthetic method of biological structure treatment by magnetic field
US11253717B2 (en) 2015-10-29 2022-02-22 Btl Healthcare Technologies A.S. Aesthetic method of biological structure treatment by magnetic field
CN108700639B (zh) * 2016-03-09 2021-07-13 圣纳普医疗公司 减低磁共振系统中机械式冷却器振荡引起的磁场不稳定性
US11464993B2 (en) 2016-05-03 2022-10-11 Btl Healthcare Technologies A.S. Device including RF source of energy and vacuum system
US11247039B2 (en) 2016-05-03 2022-02-15 Btl Healthcare Technologies A.S. Device including RF source of energy and vacuum system
US11534619B2 (en) 2016-05-10 2022-12-27 Btl Medical Solutions A.S. Aesthetic method of biological structure treatment by magnetic field
US10583287B2 (en) 2016-05-23 2020-03-10 Btl Medical Technologies S.R.O. Systems and methods for tissue treatment
US10556122B1 (en) 2016-07-01 2020-02-11 Btl Medical Technologies S.R.O. Aesthetic method of biological structure treatment by magnetic field
DE102016225347A1 (de) * 2016-12-16 2018-06-21 Bruker Biospin Gmbh MRI-System mit Spaltstruktur in einer Abschirmrohr-Anordnung
CN106772162B (zh) * 2016-12-26 2020-01-14 中国科学院长春光学精密机械与物理研究所 用于磁共振成像系统的非缠绕形式梯度线圈及其设计方法
PL4066887T3 (pl) 2019-04-11 2024-03-04 Btl Medical Solutions A.S. Urządzenia do zabiegu estetycznego struktur biologicznych za pomocą energii o częstotliwości radiowej i energii magnetycznej
US11878167B2 (en) 2020-05-04 2024-01-23 Btl Healthcare Technologies A.S. Device and method for unattended treatment of a patient
KR20230000081U (ko) 2020-05-04 2023-01-10 비티엘 헬쓰케어 테크놀로지스 에이.에스. 환자의 무인 치료를 위한 디바이스 및 방법
US11896816B2 (en) 2021-11-03 2024-02-13 Btl Healthcare Technologies A.S. Device and method for unattended treatment of a patient

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DE3511750A1 (de) * 1985-03-30 1986-10-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Spulenanordnung fuer kernspinuntersuchungen
JPS63122442A (ja) * 1986-11-12 1988-05-26 株式会社東芝 磁気共鳴イメ−ジング装置
JPH0687444B2 (ja) * 1986-12-22 1994-11-02 株式会社東芝 磁気共鳴映像装置
JPS63216553A (ja) * 1987-03-06 1988-09-08 株式会社東芝 Ｍｒｉ用ｒｆセルフシ−ルド
JPH0722576B2 (ja) * 1988-04-11 1995-03-15 三菱電機株式会社 磁気共鳴装置
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JPH0323840A (ja) * 1989-06-21 1991-01-31 Toshiba Corp Ｍｒｉ装置用超電導マグネット
US5539367A (en) * 1994-05-02 1996-07-23 General Electric Company Superconducting gradient shields in magnetic resonance imaging magnets
JP3524607B2 (ja) * 1995-01-09 2004-05-10 株式会社日立メディコ 磁気共鳴イメージング装置用磁場発生コイル及びこれを用いた磁気共鳴イメージング装置
KR100401282B1 (ko) 1995-03-28 2004-02-05 도레이 가부시끼가이샤 광기록매체
US5550472A (en) * 1995-04-13 1996-08-27 Picker International, Inc. Combined radio frequency coil with integral magnetic field shim set
US5793210A (en) * 1996-08-13 1998-08-11 General Electric Company Low noise MRI scanner
JP2001509726A (ja) * 1997-11-28 2001-07-24 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 力を最適化された傾斜コイルを備えた磁気共鳴装置
EP1046053A1 (de) * 1998-10-28 2000-10-25 Koninklijke Philips Electronics N.V. Magnetresonanzbildgebungsgerät mit einer mechanisch integrierten wirbelstromabschrimung im gradientensystem
DE19940550C1 (de) * 1999-08-26 2001-05-23 Siemens Ag Magnetresonanztomographiegerät mit vakuumisoliertem Gradientenspulensystem
US6437568B1 (en) * 2000-10-02 2002-08-20 General Electric Company Low noise MRI scanner

Also Published As

Publication number Publication date
WO2005091009A1 (en) 2005-09-29
EP1728087B1 (de) 2008-05-28
JP2007529259A (ja) 2007-10-25
US7372271B2 (en) 2008-05-13
CN1930484A (zh) 2007-03-14
EP1728087A1 (de) 2006-12-06
ATE397222T1 (de) 2008-06-15
US20070176602A1 (en) 2007-08-02

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee