JP2002219112A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2002219112A5 JP2002219112A5 JP2001304782A JP2001304782A JP2002219112A5 JP 2002219112 A5 JP2002219112 A5 JP 2002219112A5 JP 2001304782 A JP2001304782 A JP 2001304782A JP 2001304782 A JP2001304782 A JP 2001304782A JP 2002219112 A5 JP2002219112 A5 JP 2002219112A5
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- assembly
- coil
- coil assembly
- vibration
- 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.)
- Granted
Links
- 238000003384 imaging method Methods 0.000 description 62
- 230000005534 acoustic noise Effects 0.000 description 50
- 239000004020 conductor Substances 0.000 description 33
- 238000002595 magnetic resonance imaging Methods 0.000 description 27
- 239000000463 material Substances 0.000 description 26
- 238000002955 isolation Methods 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 19
- 239000000725 suspension Substances 0.000 description 15
- 230000000712 assembly Effects 0.000 description 13
- 238000000429 assembly Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 230000003068 static effect Effects 0.000 description 12
- 239000011152 fibreglass Substances 0.000 description 10
- 239000011358 absorbing material Substances 0.000 description 8
- 238000013016 damping Methods 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 230000005284 excitation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000005060 rubber Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000012811 non-conductive material Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000000615 nonconductor Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 239000012814 acoustic material Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/676945 | 2000-10-02 | ||
| US09/676,945 US6437568B1 (en) | 2000-10-02 | 2000-10-02 | Low noise MRI scanner |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002219112A JP2002219112A (ja) | 2002-08-06 |
| JP2002219112A5 true JP2002219112A5 (enExample) | 2005-06-23 |
| JP4049565B2 JP4049565B2 (ja) | 2008-02-20 |
Family
ID=24716667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001304782A Expired - Lifetime JP4049565B2 (ja) | 2000-10-02 | 2001-10-01 | 低ノイズ型ｍｒｉスキャナ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6437568B1 (enExample) |
| EP (1) | EP1193507B1 (enExample) |
| JP (1) | JP4049565B2 (enExample) |
| KR (1) | KR20020026835A (enExample) |
| CN (1) | CN1216286C (enExample) |
| DE (1) | DE60130854T2 (enExample) |
Families Citing this family (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567685B2 (en) * | 2000-01-21 | 2003-05-20 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus |
| US6954068B1 (en) | 2000-01-21 | 2005-10-11 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus |
| US6556012B2 (en) | 2000-01-21 | 2003-04-29 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus |
| DE10011034C2 (de) * | 2000-03-07 | 2002-06-06 | Siemens Ag | Magnetresonanzgerät mit einem Gradientenspulensystem mit einer Spulenanordnung |
| EP1348135B1 (en) * | 2000-12-22 | 2006-05-03 | Koninklijke Philips Electronics N.V. | Medical examination apparatus provided with at least one magnet and noise-absorbing material |
| US6822448B2 (en) * | 2001-04-20 | 2004-11-23 | General Electric Company | RF coil for very high field magnetic resonance imaging |
| JP3878434B2 (ja) * | 2001-05-10 | 2007-02-07 | 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 | 磁気共鳴撮像用コイル構造体および磁気共鳴撮像装置 |
| DE10127822B4 (de) * | 2001-06-07 | 2008-04-03 | Siemens Ag | Magnetresonanzgerät mit einem Grundfeldmagneten |
| US6627003B2 (en) * | 2001-10-24 | 2003-09-30 | Ge Medical Systems Global Technology Company, Llc | NMR shim forming method |
| DE10200861A1 (de) * | 2002-01-11 | 2003-07-31 | Siemens Ag | Magnetresonanzgerät mit einem Wirbelstromerzeuger |
| US6806558B2 (en) | 2002-04-11 | 2004-10-19 | Triquint Semiconductor, Inc. | Integrated segmented and interdigitated broadside- and edge-coupled transmission lines |
| AU2003233920A1 (en) * | 2002-04-11 | 2003-10-27 | Siemens Aktiengesellschaft | Encapsulation of a magnetic resonance tomography device for attenuation of low sound frequencies |
| DE10393061D2 (de) * | 2002-05-10 | 2005-06-16 | Siemens Ag | Reduktion der Schallemission von dünnwandigen Bauteilen in Magnetresonazgeräten |
| DE10253701B4 (de) * | 2002-11-18 | 2005-12-08 | Siemens Ag | Vergossene HF-Bauteile, vergossene Gradientenspule für Magnetic Resonance Imaging Scanner, mit Aktoren zur aktiven Lärmbekämpfung sowie Verfahren zu deren Herstellung und Vorrichtung zur Ausführung des Verfahrens |
| US6894498B2 (en) * | 2003-03-12 | 2005-05-17 | Mrscience Llc | Active vibration compensation for MRI gradient coil support to reduce acoustic noise in MRI scanners |
| JP5255208B2 (ja) * | 2003-05-30 | 2013-08-07 | 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 | 成形固定シムを備える磁気共鳴画像スキャナ |
| US7068033B2 (en) * | 2003-08-18 | 2006-06-27 | Ge Medical Systems Global Technology Company, Llc | Acoustically damped gradient coil |
| US8354837B2 (en) | 2003-09-24 | 2013-01-15 | Ge Medical Systems Global Technology Company Llc | System and method for electromagnetic tracking operable with multiple coil architectures |
| DE102004004294A1 (de) | 2004-01-28 | 2005-08-18 | Siemens Ag | Vakuumgehäuse für ein Magnetresonanzgerät |
| EP1725887A1 (en) * | 2004-03-03 | 2006-11-29 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging scanner with booster iron |
| EP1728087B1 (en) | 2004-03-15 | 2008-05-28 | Koninklijke Philips Electronics N.V. | Main magnet perforated eddy current shield for a magnetic resonance imaging device |
| DE602005023722D1 (de) * | 2004-04-26 | 2010-11-04 | Koninkl Philips Electronics Nv | Elektrooptischer magnetresonanzwandler |
| US7755359B2 (en) * | 2004-05-31 | 2010-07-13 | Hitachi Medical Corporation | Magnetic resonance imaging apparatus with noise suppressing structure |
| ATE420375T1 (de) | 2004-06-17 | 2009-01-15 | Koninkl Philips Electronics Nv | Magnetresonanzabbildungssystem mit eisenunterstütztem magnetfeldgradientensystem |
| JP2008520265A (ja) * | 2004-11-17 | 2008-06-19 | 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 | ノイズの少ない磁気共鳴システム |
| US7705701B2 (en) * | 2005-07-15 | 2010-04-27 | General Electric Company | Thin metal layer vacuum vessels with composite structural support |
| US7599728B2 (en) * | 2006-04-03 | 2009-10-06 | General Electric Company | Magnetic resonance imaging |
| US7671593B2 (en) * | 2006-06-15 | 2010-03-02 | General Electric Company | RF body coil with acoustic isolation of conductors |
| JP4237786B2 (ja) * | 2006-09-27 | 2009-03-11 | 株式会社日立製作所 | 核磁気共鳴信号用ソレノイドコイル及び核磁気共鳴用プローブ |
| JP5032189B2 (ja) * | 2007-04-18 | 2012-09-26 | 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装置およびｒｆパルス生成回路 |
| DE102007025096B4 (de) * | 2007-05-30 | 2013-04-25 | Siemens Aktiengesellschaft | Verfahren zur Bestimmung des Designs eines Hauptmagneten einer Magnetresonanzeinrichtung mit wenigstens einem Gradientenspulensystem |
| WO2009031092A1 (en) * | 2007-09-07 | 2009-03-12 | Koninklijke Philips Electronics N.V. | Magnetic resonance examination system with reduced acoustic noise |
| GB2459502B (en) * | 2008-04-25 | 2010-03-03 | Siemens Magnet Technology Ltd | Vacuum vessel for cooled equipment |
| US7936170B2 (en) | 2008-08-08 | 2011-05-03 | General Electric Co. | RF coil and apparatus to reduce acoustic noise in an MRI system |
| KR100971013B1 (ko) * | 2008-09-04 | 2010-07-20 | 한양대학교 산학협력단 | 자기공명장비용 모터 및 그 제어방법 |
| KR100971554B1 (ko) * | 2008-10-20 | 2010-07-21 | 한양대학교 산학협력단 | 자기공명장비용 브러쉬리스 모터 및 그 제어방법 |
| 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 |
| JP5586201B2 (ja) * | 2009-10-05 | 2014-09-10 | 株式会社東芝 | 磁気共鳴診断装置 |
| WO2011080630A2 (en) * | 2009-12-28 | 2011-07-07 | Koninklijke Philips Electronics N.V. | Tubular thermal switch for the cryo-free magnet |
| JP2011143033A (ja) * | 2010-01-13 | 2011-07-28 | Toshiba Corp | 磁気共鳴イメージング装置 |
| JP5558863B2 (ja) * | 2010-02-22 | 2014-07-23 | 株式会社東芝 | Ｍｒｉ装置 |
| EP2388610A1 (en) * | 2010-05-20 | 2011-11-23 | Koninklijke Philips Electronics N.V. | Magnetic Resonance Imaging Gradient Coil, Magnet Assembly, and System |
| US20120025829A1 (en) * | 2010-07-27 | 2012-02-02 | General Electric Company | Acoustically damped gradient coil |
| DE102010033330B4 (de) * | 2010-08-04 | 2014-04-30 | Siemens Aktiengesellschaft | Magnetresonanz-Antennenanordnung, Magnetresonanzgerät und Verfahren zur Akquisition von Magnetresonanzsignalen |
| JP2011031103A (ja) * | 2010-11-24 | 2011-02-17 | Toshiba Corp | 核磁気共鳴イメージング装置 |
| CN102711604B (zh) * | 2011-01-13 | 2015-06-10 | 株式会社东芝 | 磁共振成像装置 |
| US8710842B2 (en) * | 2011-03-07 | 2014-04-29 | General Electric Company | Apparatus and method to reduce noise in magnetic resonance imaging systems |
| US20120280688A1 (en) * | 2011-05-03 | 2012-11-08 | M2M Imaging Corp. | Magnetic Resonance (MR) Radio Frequency (RF) Coil and/or High Resolution Nuclear Magnetic Resonance |
| US8884620B2 (en) * | 2011-05-16 | 2014-11-11 | General Electric Company | RF body coil for reduced acoustic noise in an MR system |
| US20120313643A1 (en) * | 2011-06-13 | 2012-12-13 | Edelstein William A | Magnetic resonance imaging (mri) device noise dampening system |
| DE102011082401B4 (de) * | 2011-09-09 | 2015-01-08 | Siemens Aktiengesellschaft | Magnetresonanzvorrichtung |
| DE102011082411B4 (de) * | 2011-09-09 | 2015-02-12 | Siemens Aktiengesellschaft | Magnetresonanzvorrichtung |
| DE102011082410B4 (de) * | 2011-09-09 | 2015-02-12 | Siemens Aktiengesellschaft | Magnetresonanzvorrichtung |
| DE102011082402B4 (de) * | 2011-09-09 | 2015-01-08 | Siemens Aktiengesellschaft | Magnetresonanzvorrichtung |
| DE102012201485B4 (de) * | 2012-02-02 | 2019-02-21 | Siemens Healthcare Gmbh | Medizinische Bildgebungsvorrichtung mit einer eine Verkleidungsschale aufweisende Gehäuseeinheit sowie ein Verfahren zur Herstellung einer Verkleidungsschale der medizinischen Bildgebungsvorrichtung |
| US9581665B2 (en) | 2012-04-20 | 2017-02-28 | General Electric Company | Systems and methods for damping common-mode energy |
| EP2845037B1 (en) * | 2012-04-30 | 2023-03-08 | Children's Hospital Medical Center | Acoustic noise reducing rf coil for magnetic resonance imaging |
| GB2503460B (en) * | 2012-06-26 | 2014-08-13 | Siemens Plc | Method and apparatus for reduction of gradient coil vibration in MRI systems |
| KR101417781B1 (ko) * | 2012-09-24 | 2014-08-06 | 삼성전자 주식회사 | 자기공명영상장치 및 그 제조방법 |
| CN105074491B (zh) * | 2013-03-21 | 2018-07-17 | 皇家飞利浦有限公司 | 具有使用压缩感知的图像重建的动态mri |
| DE102013213538B4 (de) | 2013-07-10 | 2018-08-16 | Siemens Healthcare Gmbh | Patienten-Bore mit integrierter HF-Rückflussraumformung zur Minimierung der Kopplung zwischen einer Energiekette und lokalen HF-Sendespulen |
| DE102013218177A1 (de) | 2013-09-11 | 2015-03-26 | Siemens Aktiengesellschaft | Gerät mit einer Befestigungsvorrichtung |
| US9989605B2 (en) * | 2013-11-22 | 2018-06-05 | Toshiba Medical Systems Corporation | Magnetic resonance imaging apparatus |
| WO2015170632A1 (ja) * | 2014-05-08 | 2015-11-12 | 株式会社 日立メディコ | 磁気共鳴イメージング装置 |
| US10132882B2 (en) | 2015-06-09 | 2018-11-20 | General Electric Company | Systems and methods for MRI body coil support structures |
| CN106443530A (zh) * | 2015-08-13 | 2017-02-22 | 上海联影医疗科技有限公司 | 一种用于磁共振成像的磁体组件及其制造方法 |
| CN105352690B (zh) * | 2015-11-26 | 2018-01-23 | 清华大学 | 医疗器械在磁场中的振动测量方法 |
| CN107768064B (zh) * | 2016-08-19 | 2020-09-15 | 上海联影医疗科技有限公司 | 一种超导磁体组件 |
| CN106443531B (zh) * | 2016-12-05 | 2024-04-12 | 苏州朗润医疗系统有限公司 | 一种复合式降噪装置和实施复合降噪的方法 |
| CN107907844B (zh) * | 2017-11-03 | 2020-04-24 | 上海联影医疗科技有限公司 | 磁共振成像设备及其匀场方法 |
| CN108287173A (zh) * | 2018-01-12 | 2018-07-17 | 中国石油大学(北京) | 便携式核磁共振探测装置 |
| CN109163099B (zh) * | 2018-09-21 | 2021-03-02 | 国网湖南省电力有限公司 | 一种旋转机械用低噪轴端密封结构 |
| US10684336B2 (en) * | 2018-10-24 | 2020-06-16 | General Electric Company | Radiofrequency coil and shield in magnetic resonance imaging method and apparatus |
| DE102020201522A1 (de) * | 2020-02-07 | 2021-08-12 | Bruker Switzerland Ag | NMR-Messanordnung mit kalter Bohrung des Kryostaten |
| CN113702884A (zh) * | 2021-08-26 | 2021-11-26 | 深圳市联影高端医疗装备创新研究院 | 医疗影像设备 |
| DE102023202429B3 (de) * | 2023-03-20 | 2024-07-04 | Siemens Healthineers Ag | Lärmreduzierter Magnetresonanztomograph |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840700A (en) | 1983-11-02 | 1989-06-20 | General Electric Company | Current streamline method for coil construction |
| JPH0284935A (ja) * | 1988-06-14 | 1990-03-26 | Toshiba Corp | 磁気共鳴イメージング装置 |
| US5235283A (en) * | 1991-02-07 | 1993-08-10 | Siemens Aktiengesellschaft | Gradient coil system for a nuclear magnetic resonance tomography apparatus which reduces acoustic noise |
| US5179338A (en) * | 1991-09-13 | 1993-01-12 | General Electric Company | Refrigerated superconducting MR magnet with integrated gradient coils |
| JP3161008B2 (ja) * | 1992-03-18 | 2001-04-25 | 株式会社日立製作所 | 磁気共鳴イメージング装置 |
| US5489848A (en) | 1992-09-08 | 1996-02-06 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus |
| DE4432747C2 (de) * | 1993-09-17 | 1997-03-27 | Hitachi Medical Corp | Vorrichtung und Verfahren zur Geräuschdämpfung in einem Kernspintomographen |
| DE19531216C2 (de) * | 1995-08-24 | 1998-01-29 | Siemens Ag | Magnetresonanzgerät mit wenigstens einer an einer Halterung befestigten Gradientenspule |
| US5570021A (en) | 1995-10-10 | 1996-10-29 | General Electric Company | MR gradient set coil support assembly |
| US5793210A (en) | 1996-08-13 | 1998-08-11 | General Electric Company | Low noise MRI scanner |
| US5760584A (en) | 1996-08-16 | 1998-06-02 | General Electric Company | Shield for MR system RF coil provided with multiple capacitive channels for RF current flow |
| JP3619623B2 (ja) * | 1996-10-17 | 2005-02-09 | 株式会社東芝 | 磁気共鳴イメージング装置および磁気共鳴イメージングの遮音方法 |
| DE19722481C2 (de) * | 1997-05-28 | 2000-02-10 | Siemens Ag | Kernspintomograph und Verwendung einer Geräuschminderungseinrichtung bei einem Kernspintomographen |
| US5990681A (en) * | 1997-10-15 | 1999-11-23 | Picker International, Inc. | Low-cost, snap-in whole-body RF coil with mechanically switchable resonant frequencies |
| US6157276A (en) | 1998-08-14 | 2000-12-05 | General Electric Company | MRI magnet assembly with non-conductive inner wall |
| DE19838390A1 (de) * | 1998-08-24 | 2000-03-02 | Siemens Ag | Lärmreduziertes diagnostisches Magnetresonanzgerät |
-
2000
- 2000-10-02 US US09/676,945 patent/US6437568B1/en not_active Expired - Lifetime
-
2001
- 2001-09-28 KR KR1020010060333A patent/KR20020026835A/ko not_active Withdrawn
- 2001-09-29 CN CN011411783A patent/CN1216286C/zh not_active Expired - Lifetime
- 2001-10-01 JP JP2001304782A patent/JP4049565B2/ja not_active Expired - Lifetime
- 2001-10-02 DE DE60130854T patent/DE60130854T2/de not_active Expired - Lifetime
- 2001-10-02 EP EP01308414A patent/EP1193507B1/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4049565B2 (ja) | 低ノイズ型ｍｒｉスキャナ | |
| JP2002219112A5 (enExample) | ||
| US7375526B2 (en) | Active-passive electromagnetic shielding to reduce MRI acoustic noise | |
| US7141974B2 (en) | Active-passive electromagnetic shielding to reduce MRI acoustic noise | |
| JP4341109B2 (ja) | 非導電性内壁を有するｍｒｉ磁石アセンブリ | |
| JP4097307B2 (ja) | 磁気共鳴作像用スキャナ・サブアセンブリ | |
| US6326788B1 (en) | MRI apparatus with a mechanically integrated eddy current shield in the gradient system | |
| US5764059A (en) | Acoustic screen | |
| EP2845037B1 (en) | Acoustic noise reducing rf coil for magnetic resonance imaging | |
| US6252404B1 (en) | Reduced noise RF coil apparatus for MR imaging system | |
| US6894498B2 (en) | Active vibration compensation for MRI gradient coil support to reduce acoustic noise in MRI scanners | |
| JP2001509726A (ja) | 力を最適化された傾斜コイルを備えた磁気共鳴装置 | |
| JP2007512074A (ja) | 追加渦電流シールドシステムを有する活性シールド勾配コイルシステム | |
| EP0225390B1 (en) | Coil for nuclear magnetic resonance imaging diagnostic apparatus | |
| WO2013046957A1 (ja) | 磁気共鳴イメージング装置 | |
| US20050258923A1 (en) | Encapsulation of a magnetic resonance tomography device for attenuation of low sound frequencies | |
| JP6061518B2 (ja) | 傾斜コイルにおいて半径方向力を均衡させるためのシステム及び装置 | |
| JPH08266513A (ja) | 診断用磁気共鳴装置 | |
| JP3897958B2 (ja) | 磁気共鳴イメージング装置 | |
| US20060006866A1 (en) | Mri system with a conductive member having a damping effect for vibrations | |
| JPH11137535A (ja) | 磁気共鳴イメージング装置 | |
| JP4988385B2 (ja) | 磁気共鳴イメージング装置 | |
| JP2001198101A (ja) | 磁気共鳴イメージング装置 | |
| WO2016031341A1 (ja) | 磁気共鳴イメージング装置 | |
| WO2017033715A1 (ja) | 磁気共鳴イメージング装置 |