IN2014CN02544A - - Google Patents
Info
- Publication number
- IN2014CN02544A IN2014CN02544A IN2544CHN2014A IN2014CN02544A IN 2014CN02544 A IN2014CN02544 A IN 2014CN02544A IN 2544CHN2014 A IN2544CHN2014 A IN 2544CHN2014A IN 2014CN02544 A IN2014CN02544 A IN 2014CN02544A
- Authority
- IN
- India
- Prior art keywords
- radio frequency
- magnetic resonance
- conductive elements
- frequency shield
- coil assembly
- Prior art date
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
- G01R33/42—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
-
- 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
-
- 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
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
-
- 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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3628—Tuning/matching of the transmit/receive coil
- G01R33/3635—Multi-frequency operation
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
- G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161548287P | 2011-10-18 | 2011-10-18 | |
PCT/IB2012/055289 WO2013057612A1 (en) | 2011-10-18 | 2012-10-03 | Mri coil assembly with a radio frequency shield switchable between a blocking state and a transparent state |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014CN02544A true IN2014CN02544A (ja) | 2015-07-31 |
Family
ID=47192031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN2544CHN2014 IN2014CN02544A (ja) | 2011-10-18 | 2012-10-03 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9869735B2 (ja) |
EP (1) | EP2745132B1 (ja) |
JP (1) | JP6033320B2 (ja) |
CN (1) | CN103959085B (ja) |
IN (1) | IN2014CN02544A (ja) |
MX (1) | MX2014004533A (ja) |
RU (1) | RU2595798C2 (ja) |
WO (1) | WO2013057612A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012203331B4 (de) * | 2012-03-02 | 2015-08-27 | Siemens Aktiengesellschaft | Lokalschirm und Verfahren zur Abschirmung von Magnetresonanzsignalen |
EP2672286A1 (en) * | 2012-06-05 | 2013-12-11 | Koninklijke Philips N.V. | TEM resonator system especially for use in an MRI system |
US10094895B2 (en) * | 2012-11-05 | 2018-10-09 | Koninklijke Philips N.V. | Transmit/receive switching circuitry with improved radio frequency isolation |
CN105308471B (zh) * | 2013-06-17 | 2018-12-18 | 皇家飞利浦有限公司 | 磁共振成像对象支撑物 |
EP3080635A1 (en) * | 2013-12-10 | 2016-10-19 | Koninklijke Philips N.V. | Calculating mri rf coil sensitivities using interpolation into an enlarged field of view |
DE102014207843B4 (de) * | 2014-04-25 | 2019-06-27 | Siemens Healthcare Gmbh | Knie-Spule |
RU2692226C2 (ru) * | 2014-09-16 | 2019-06-21 | Конинклейке Филипс Н.В. | Система защиты человека от рассеянного рентгеновского излучения |
DE102015201462B3 (de) * | 2015-01-28 | 2016-05-12 | Siemens Aktiengesellschaft | Hochfrequenz-Spuleneinheit für eine Magnetresonanz-Bildgebung |
RU2744714C2 (ru) * | 2016-10-10 | 2021-03-15 | Конинклейке Филипс Н.В. | Питание копланарной rf катушки |
DE102017214088A1 (de) * | 2017-08-11 | 2019-02-14 | Siemens Healthcare Gmbh | Bilddatenerzeugung in einem Untersuchungsraum einer MR-Anlage |
US11564575B2 (en) * | 2018-01-17 | 2023-01-31 | Shanghai United Imaging Healthcare Co., Ltd. | Magnetic resonance-positron emission tomography imaging apparatus |
CN108761365B (zh) * | 2018-04-11 | 2021-02-19 | 上海联影医疗科技股份有限公司 | 屏蔽壳、屏蔽壳的制造方法、pet探测器和系统 |
US10578679B2 (en) * | 2018-06-18 | 2020-03-03 | Allegro Microsystems, Llc | Magnetic field sensors having virtual signals |
US10598739B2 (en) * | 2018-06-18 | 2020-03-24 | Allegro Microsystems, Llc | Magnetic field sensors having virtual signals |
US10866118B2 (en) | 2018-06-18 | 2020-12-15 | Allegro Microsystems, Llc | High resolution magnetic field sensors |
US10908229B2 (en) | 2018-06-18 | 2021-02-02 | Allegro Microsystems, Llc | Regulation of coefficients used in magnetic field sensor virtual signal generation |
US10684336B2 (en) * | 2018-10-24 | 2020-06-16 | General Electric Company | Radiofrequency coil and shield in magnetic resonance imaging method and apparatus |
US10859648B2 (en) * | 2019-04-01 | 2020-12-08 | GE Precision Healthcare LLC | Systems and methods for a configurable radio frequency coil for MR imaging |
US11460525B2 (en) * | 2020-02-12 | 2022-10-04 | GE Precision Healthcare LLC | Systems and methods for toroidal twinax cable trap |
CN111965577B (zh) * | 2020-07-07 | 2023-07-28 | 无锡鸣石峻致医疗科技有限公司 | 一种多频线圈 |
CN112540332B (zh) * | 2020-12-03 | 2023-11-14 | 深圳航天科技创新研究院 | 一种磁共振射频屏蔽结构及其设计方法 |
US11762043B2 (en) | 2021-03-11 | 2023-09-19 | Allegro Microsystems, Llc | High resolution magnetic field sensors |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1009140B (zh) * | 1985-04-01 | 1990-08-08 | 菲利浦光灯制造公司 | 产生和/或接收交变磁场的射频线圈系统 |
JPH0349737A (ja) * | 1989-07-18 | 1991-03-04 | Toshiba Corp | 磁気共鳴イメージング装置 |
US5132621A (en) * | 1990-04-24 | 1992-07-21 | General Electric Company | Radio frequency field coil and power splitter for nmr |
US5406204A (en) | 1992-03-27 | 1995-04-11 | Picker International, Inc. | Integrated MRI gradient coil and RF screen |
JPH07155307A (ja) * | 1993-12-09 | 1995-06-20 | Hitachi Ltd | Mri用rfコイルおよびmri装置 |
US5419325A (en) * | 1994-06-23 | 1995-05-30 | General Electric Company | Magnetic resonance (MR) angiography using a faraday catheter |
JP3492009B2 (ja) * | 1995-03-16 | 2004-02-03 | ジーイー横河メディカルシステム株式会社 | Mri用コイル装置 |
US5808467A (en) * | 1995-05-31 | 1998-09-15 | Hitachi, Ltd. | RF probe and inspection system using NMR using the same |
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 |
JPH11299754A (ja) * | 1998-04-23 | 1999-11-02 | Toshiba Iyo System Engineering Kk | Mri装置用分割型rfコイル |
JP3457537B2 (ja) * | 1998-06-30 | 2003-10-20 | 株式会社東芝 | 磁気共鳴映像装置 |
US6437567B1 (en) * | 1999-12-06 | 2002-08-20 | General Electric Company | Radio frequency coil for open magnetic resonance imaging system |
GB2360094A (en) | 2000-03-06 | 2001-09-12 | Marconi Caswell Ltd | RF screens for MRI |
US6522144B2 (en) | 2000-12-22 | 2003-02-18 | Ge Medical Systems Global Technology Company, Llc | RF shielding method and apparatus for an open MRI system |
US6498947B2 (en) | 2001-02-23 | 2002-12-24 | Ge Medical Systems Global Technology Company, Llc | rf shielding method and apparatus |
US20050107681A1 (en) * | 2003-07-23 | 2005-05-19 | Griffiths David M. | Wireless patient monitoring device for magnetic resonance imaging |
US7053617B2 (en) | 2003-10-01 | 2006-05-30 | General Electric Co. | Integrated electronic RF shielding apparatus for an MRI magnet |
US7495443B2 (en) * | 2003-11-18 | 2009-02-24 | Koninklijke Philips Electronics N.V. | RF coil system for super high field (SHF) MRI |
JP2006346055A (ja) * | 2005-06-15 | 2006-12-28 | Hitachi Medical Corp | 磁気共鳴を用いた検査装置 |
JP2007260078A (ja) * | 2006-03-28 | 2007-10-11 | Ge Medical Systems Global Technology Co Llc | Rfコイル及び磁気共鳴撮像装置 |
US8159223B2 (en) * | 2006-12-22 | 2012-04-17 | Koninklijke Philips Electronics N.V. | RF coil for use in an MR imaging system |
RU2491568C2 (ru) * | 2007-02-26 | 2013-08-27 | Конинклейке Филипс Электроникс, Н.В. | Двухрезонансные радиочастотные поверхностные катушки сильного поля для магнитного резонанса |
JP5103640B2 (ja) * | 2007-04-13 | 2012-12-19 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
JP5247214B2 (ja) * | 2008-04-04 | 2013-07-24 | 株式会社日立製作所 | 高周波磁場コイル及び磁気共鳴撮影装置 |
DE102008063457B3 (de) * | 2008-12-17 | 2010-06-02 | Siemens Aktiengesellschaft | Lokalspulenanordnung für Magnetresonanzanwendungen mit aktivierbarem Marker |
BR112012013699A2 (pt) | 2009-12-10 | 2017-10-10 | Koninklijke Philips Eletronics N V | "aparelho e sistema de ressonância magnética |
-
2012
- 2012-10-03 US US14/352,030 patent/US9869735B2/en active Active
- 2012-10-03 RU RU2014119865/28A patent/RU2595798C2/ru active
- 2012-10-03 JP JP2014536357A patent/JP6033320B2/ja active Active
- 2012-10-03 MX MX2014004533A patent/MX2014004533A/es not_active Application Discontinuation
- 2012-10-03 CN CN201280051019.8A patent/CN103959085B/zh active Active
- 2012-10-03 IN IN2544CHN2014 patent/IN2014CN02544A/en unknown
- 2012-10-03 WO PCT/IB2012/055289 patent/WO2013057612A1/en active Application Filing
- 2012-10-03 EP EP12787879.1A patent/EP2745132B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN103959085B (zh) | 2017-03-08 |
CN103959085A (zh) | 2014-07-30 |
EP2745132A1 (en) | 2014-06-25 |
RU2014119865A (ru) | 2015-11-27 |
US9869735B2 (en) | 2018-01-16 |
RU2595798C2 (ru) | 2016-08-27 |
MX2014004533A (es) | 2014-08-01 |
US20140253122A1 (en) | 2014-09-11 |
JP6033320B2 (ja) | 2016-11-30 |
WO2013057612A1 (en) | 2013-04-25 |
EP2745132B1 (en) | 2020-12-09 |
JP2014530079A (ja) | 2014-11-17 |
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