JP4335799B2 - 磁気共鳴断層撮影装置のための傾斜コイルシステム - Google Patents
磁気共鳴断層撮影装置のための傾斜コイルシステム Download PDFInfo
- Publication number
- JP4335799B2 JP4335799B2 JP2004502018A JP2004502018A JP4335799B2 JP 4335799 B2 JP4335799 B2 JP 4335799B2 JP 2004502018 A JP2004502018 A JP 2004502018A JP 2004502018 A JP2004502018 A JP 2004502018A JP 4335799 B2 JP4335799 B2 JP 4335799B2
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- JP
- Japan
- Prior art keywords
- gradient coil
- cooling
- coil
- coil system
- cooled
- 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
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Classifications
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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
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
2 傾斜コイル
3 xコイル
4 yコイル
5 zコイル
6 コイル心
7 支持要素
8 外殻
9 内殻
10 修正コイル(シムコイル)
11 シム鉄材
12 コイル
13 コイル(平形線)
14 冷却チューブ
15 新種のキャスティング材
16 従来のキャスティング材
17 冷却材
18 熱交換器
19 支持板
Claims (7)
- 基本磁場のコーディングのための傾斜コイルを有し、傾斜コイルが冷却すべき要素として冷却材による能動的冷却のための冷却チューブと熱的に接触する磁気共鳴装置のための傾斜コイルシステムにおいて、前記冷却チューブが充填剤で成分を増加され0.5W/mKより大きい熱伝導度を有する可撓性の熱可塑性材料からなり、前記冷却チューブは支持体上にらせん状又は蛇行状に巻き付け固定され、前記冷却チューブの側に前記冷却すべき要素が押し付けられ、前記支持板、前記支持板上に固定された冷却チューブ及び前記冷却すべき要素は良熱伝導性のキャスティング材により1つの構成単位にキャスティングされている磁気共鳴装置のための傾斜コイルシステム。
- 基本磁場の均一化のため1つ又は複数のシム鉄材を有するパッシブシムシステムを備え、前記シム鉄材が冷却すべき別の要素として前記冷却チューブと熱的に接触する請求項1記載の傾斜コイルシステム。
- 基本磁場の均一化のため1つ又は複数のシムコイルを有するアクティブシムシステムを備え、前記シムコイルが冷却すべき別の要素として前記冷却チューブと熱的に接触する請求項1又は2記載の傾斜コイルシステム。
- 前記冷却チューブがキャスティング材により冷却板として1つの構成単位にキャスティングされており、そのキャスティング材が良熱伝導度の充填剤で成分を増加された液状の反応樹脂からなり、0.8W/mKより大きい熱伝導度を有する請求項1〜3のいずれか1つに記載の傾斜コイルシステム。
- 前記冷却板が前記冷却すべき要素と面状の熱接触をしている請求項4記載の傾斜コイルシステム。
- 前記冷却板が前記冷却すべき要素の導体すきま内に敷設されている請求項4又は5記載の傾斜コイルシステム。
- 傾斜コイルないしシムコイルの給電ケーブルが良熱伝導性のブロックの溝内にキャスティング材によりキャスティングされており、そのキャスティング材が良熱伝導度の充填剤で成分を増加された液状の反応樹脂からなり、0.8W/mKより大きい熱伝導度を有する請求項1〜6のいずれか1つに記載の傾斜コイルシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10219768 | 2002-05-02 | ||
PCT/DE2003/001288 WO2003093853A1 (de) | 2002-05-02 | 2003-04-16 | Gradientenspulensystem für ein magnet-resonanz-tomographiegerät mit effektiverer kühlung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005524452A JP2005524452A (ja) | 2005-08-18 |
JP4335799B2 true JP4335799B2 (ja) | 2009-09-30 |
Family
ID=29285076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004502018A Expired - Fee Related JP4335799B2 (ja) | 2002-05-02 | 2003-04-16 | 磁気共鳴断層撮影装置のための傾斜コイルシステム |
Country Status (7)
Country | Link |
---|---|
US (1) | US7154270B2 (ja) |
JP (1) | JP4335799B2 (ja) |
CN (1) | CN100526907C (ja) |
AU (1) | AU2003232610A1 (ja) |
DE (1) | DE10391841D2 (ja) |
GB (1) | GB2406912B (ja) |
WO (1) | WO2003093853A1 (ja) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10161882A1 (de) * | 2001-12-17 | 2003-10-02 | Siemens Ag | Wärmeleitfähige thermoplastische Compounds und Verwendung dazu |
US7140420B2 (en) * | 2003-11-05 | 2006-11-28 | General Electric Company | Thermal management apparatus and uses thereof |
US7557577B2 (en) * | 2003-12-08 | 2009-07-07 | Siemens Aktiengesselschaft | Water-soluble paramagnetic substance reducing the relaxation time of the coolant in an MRI system |
GB2419417B (en) * | 2004-10-20 | 2007-05-16 | Gen Electric | Gradient bore cooling and RF shield |
DE102005015393A1 (de) * | 2005-04-04 | 2006-07-20 | Siemens Ag | Medizinische Untersuchungs- oder Behandlungseinrichtung, insbesondere Magnetresonanzgerät |
US7190170B1 (en) * | 2006-03-24 | 2007-03-13 | General Electric Company | Particle doped magnetic coil |
DE102006014305B4 (de) * | 2006-03-28 | 2011-03-31 | Siemens Ag | Kühleinrichtung zur Anordnung zwischen zwei Flächenspulen einer Gradientenspule, Gradientenspule umfassend eine solche Kühleinrichtung sowie Verfahren zur He rstellung einer solchen Gradientenspule |
US7554326B2 (en) * | 2006-05-17 | 2009-06-30 | Kabushiki Kaisha Toshiba | MRI gradient magnetic coil unit assembley using different resins within windings and between components |
JP4847236B2 (ja) * | 2006-07-07 | 2011-12-28 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
DE102006034800B4 (de) * | 2006-07-27 | 2010-04-08 | Siemens Ag | Verfahren zur Herstellung einer Kühleinrichtung für eine Gradientenspule, Kühleinrichtung für eine Gradientenspule, sowie Gradientenspule umfassend solche Kühleinrichtungen |
DE102006036833B4 (de) * | 2006-08-07 | 2012-12-13 | Siemens Ag | Gradientenspulensystem und Magnetresonanztomograph |
DE102007008122B4 (de) * | 2007-02-19 | 2014-01-09 | Siemens Aktiengesellschaft | Anordnung zur Kühlung einer Gradientenspule |
US7489131B2 (en) * | 2007-04-23 | 2009-02-10 | General Electric Co. | System and apparatus for direct cooling of gradient coils |
US7812604B2 (en) * | 2007-11-14 | 2010-10-12 | General Electric Company | Thermal management system for cooling a heat generating component of a magnetic resonance imaging apparatus |
JP5472896B2 (ja) * | 2007-11-22 | 2014-04-16 | 株式会社東芝 | 磁気共鳴装置 |
JP5597351B2 (ja) * | 2008-10-07 | 2014-10-01 | 株式会社東芝 | 磁場発生コイル装置 |
JP5582756B2 (ja) * | 2008-11-28 | 2014-09-03 | 株式会社東芝 | 高周波コイルユニットおよび磁気共鳴診断装置 |
US7902826B2 (en) * | 2008-12-12 | 2011-03-08 | General Electric Company | Transverse gradient coil for MRI systems and method for manufacturing the same |
RU2011132043A (ru) * | 2008-12-31 | 2013-02-10 | Конинклейке Филипс Электроникс Н.В. | Устройство градиентной катушки для магнитно-резонансной томографии с интегрированными активными радиочастотными усилителями передачи |
JP5570910B2 (ja) * | 2009-09-28 | 2014-08-13 | 株式会社東芝 | 磁気共鳴イメージング装置 |
DE102009053965B4 (de) * | 2009-11-19 | 2016-06-02 | Siemens Aktiengesellschaft | Mit einer Vergussmasse vergossene Gradientenspule |
US8415952B2 (en) * | 2009-12-23 | 2013-04-09 | General Electric Company | Superconducting magnet coil interface and method providing coil stability |
DE102010015631B4 (de) * | 2010-04-20 | 2012-09-27 | Siemens Aktiengesellschaft | Gradientenspulenanordnung und Herstellungsverfahren |
DE102010022523B4 (de) | 2010-06-02 | 2017-09-14 | Siemens Healthcare Gmbh | Gradientenspule mit in einer Vergussmasse vergossenen Spulenwicklungen |
EP2588877A1 (en) * | 2010-06-30 | 2013-05-08 | Koninklijke Philips Electronics N.V. | Cooled mr coil arrangement |
BR112013007553B1 (pt) * | 2010-09-30 | 2020-01-07 | Ube Industries, Ltd. | Composição de resina de poliamida e artigo moldado compreendendo a mesma |
EP2586586A1 (en) * | 2011-10-24 | 2013-05-01 | GE Energy Power Conversion Technology Ltd | Coil support members |
DE102012203974A1 (de) * | 2012-03-14 | 2013-09-19 | Siemens Aktiengesellschaft | Magnetresonanztomograph mit Kühleinrichtung für Gradientenspulen |
WO2013175928A1 (ja) * | 2012-05-21 | 2013-11-28 | 株式会社 東芝 | 磁気共鳴イメージング装置及び磁気共鳴イメージング装置用の磁石 |
EP2720351B1 (de) * | 2012-10-12 | 2017-04-26 | Siemens Aktiengesellschaft | Vorrichtung zur Entwärmung eines Bauteils einer elektrischen Maschine mittels mehrerer Kühlschlangen |
AU2015311825B2 (en) * | 2014-09-05 | 2019-01-17 | Hyperfine Operations, Inc. | Low field magnetic resonance imaging methods and apparatus |
US11002813B2 (en) | 2017-02-27 | 2021-05-11 | Koninklijke Philips N.V. | Cooling a gradient coil of a magnetic resonance imaging system |
EP3392667A1 (en) * | 2017-04-20 | 2018-10-24 | Koninklijke Philips N.V. | Cooling a gradient coil of a magnetic resonance imaging system |
EP3401695A1 (en) | 2017-05-08 | 2018-11-14 | Koninklijke Philips N.V. | Cooling a gradient coil of a magnetic resonance imaging system |
JP7031257B2 (ja) * | 2017-11-30 | 2022-03-08 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
US11269032B2 (en) | 2018-05-18 | 2022-03-08 | Synaptive Medical Inc. | Method of reducing spatial extent of gradient coil current feeding connectors |
DE102018209157A1 (de) * | 2018-06-08 | 2019-12-12 | Siemens Aktiengesellschaft | Litzenleiter, Spuleneinrichtung und Herstellungsverfahren |
EP3608929B1 (en) * | 2018-08-09 | 2020-09-30 | Siemens Healthcare GmbH | A directly coolable multifilament conductor means |
US11249157B2 (en) * | 2019-09-13 | 2022-02-15 | Synaptive Medical Inc. | Gradient coil apparatus and methods for MRI |
CN116068472B (zh) * | 2023-03-03 | 2023-06-06 | 山东奥新医疗科技有限公司 | 用于磁共振***梯度***的冷却***及其制作方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3718181A (en) * | 1970-08-17 | 1973-02-27 | Du Pont | Plastic heat exchange apparatus |
US3932096A (en) * | 1974-06-10 | 1976-01-13 | Walter Kartman | Mold for thermoforming plastic sheet material |
US5554929A (en) * | 1993-03-12 | 1996-09-10 | Doty Scientific, Inc. | Crescent gradient coils |
US5570021A (en) * | 1995-10-10 | 1996-10-29 | General Electric Company | MR gradient set coil support assembly |
DE19721985C2 (de) * | 1997-05-26 | 1999-11-04 | Siemens Ag | Gradientenspulenbaugruppe und Herstellungsverfahren |
DE19722211A1 (de) | 1997-05-28 | 1998-08-27 | Siemens Ag | Verfahren und Vorrichtung zum Herstellen einer aktiv geschirmten Gradientenspulenanordnung für ein Magnetresonanzgerät |
GB9804829D0 (en) * | 1998-03-07 | 1998-04-29 | Mansfield Peter | Improvements in active acoustic control |
DE19835414C2 (de) | 1998-08-05 | 2000-05-31 | Siemens Ag | Spulensystem für MR-Anlagen mit integrierter Kühleinheit |
DE10032836C1 (de) | 2000-07-06 | 2002-01-17 | Siemens Ag | Magnetresonanzgerät mit einem Gradientenspulensystem |
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2003
- 2003-04-16 AU AU2003232610A patent/AU2003232610A1/en not_active Abandoned
- 2003-04-16 GB GB0426555A patent/GB2406912B/en not_active Expired - Fee Related
- 2003-04-16 JP JP2004502018A patent/JP4335799B2/ja not_active Expired - Fee Related
- 2003-04-16 US US10/513,244 patent/US7154270B2/en not_active Expired - Lifetime
- 2003-04-16 CN CNB038099977A patent/CN100526907C/zh not_active Expired - Lifetime
- 2003-04-16 WO PCT/DE2003/001288 patent/WO2003093853A1/de active Application Filing
- 2003-04-16 DE DE10391841T patent/DE10391841D2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050168222A1 (en) | 2005-08-04 |
DE10391841D2 (de) | 2005-04-07 |
CN1650186A (zh) | 2005-08-03 |
GB0426555D0 (en) | 2005-01-05 |
WO2003093853A1 (de) | 2003-11-13 |
US7154270B2 (en) | 2006-12-26 |
JP2005524452A (ja) | 2005-08-18 |
GB2406912A (en) | 2005-04-13 |
GB2406912B (en) | 2005-07-13 |
AU2003232610A1 (en) | 2003-11-17 |
CN100526907C (zh) | 2009-08-12 |
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