JP4067381B2 - 極めて高磁場の磁気共鳴イメージングで使用するために電場曝露を低減させたrfコイル - Google Patents
極めて高磁場の磁気共鳴イメージングで使用するために電場曝露を低減させたrfコイル Download PDFInfo
- Publication number
- JP4067381B2 JP4067381B2 JP2002298168A JP2002298168A JP4067381B2 JP 4067381 B2 JP4067381 B2 JP 4067381B2 JP 2002298168 A JP2002298168 A JP 2002298168A JP 2002298168 A JP2002298168 A JP 2002298168A JP 4067381 B2 JP4067381 B2 JP 4067381B2
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- Prior art keywords
- coil assembly
- conductors
- coil
- magnetic field
- patient bore
- 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 - Lifetime
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Images
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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
Landscapes
- Physics & Mathematics (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 |
|---|---|---|---|
| US09/682741 | 2001-10-12 | ||
| US09/682,741 US6538441B1 (en) | 2001-10-12 | 2001-10-12 | RF coil for reduced electric field exposure for use in very high field magnetic resonance imaging |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003175015A JP2003175015A (ja) | 2003-06-24 |
| JP2003175015A5 JP2003175015A5 (enExample) | 2005-12-02 |
| JP4067381B2 true JP4067381B2 (ja) | 2008-03-26 |
Family
ID=24740944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002298168A Expired - Lifetime JP4067381B2 (ja) | 2001-10-12 | 2002-10-11 | 極めて高磁場の磁気共鳴イメージングで使用するために電場曝露を低減させたrfコイル |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6538441B1 (enExample) |
| EP (1) | EP1302781A3 (enExample) |
| JP (1) | JP4067381B2 (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6822448B2 (en) * | 2001-04-20 | 2004-11-23 | General Electric Company | RF coil for very high field magnetic resonance imaging |
| DE10255261A1 (de) * | 2002-11-27 | 2004-06-09 | Philips Intellectual Property & Standards Gmbh | HF-Spulenanordnung für Magnetresonanz-Bildgerät |
| US6982552B2 (en) * | 2003-05-27 | 2006-01-03 | General Electric Company | Methods and systems for fabricating magnetic resonance gradient coils |
| US6791328B1 (en) * | 2003-06-06 | 2004-09-14 | General Electric Company | Method and apparatus for very high field magnetic resonance imaging systems |
| EP1687653B1 (en) * | 2003-11-18 | 2010-06-30 | Koninklijke Philips Electronics N.V. | Rf coil system for super high field (shf) mri |
| DE102005002094A1 (de) * | 2005-01-14 | 2006-07-27 | Schleifring Und Apparatebau Gmbh | HF - Spulen für Kernspintomographen |
| US7714581B2 (en) * | 2006-04-19 | 2010-05-11 | Wisconsin Alumni Research Foundation | RF coil assembly for magnetic resonance imaging and spectroscopy systems |
| DE102006040574B4 (de) * | 2006-08-30 | 2017-02-23 | Siemens Healthcare Gmbh | Trennwand zur Abgrenzung von einer Antennenstruktur eines Magnetresonanztomographen |
| US7508212B2 (en) | 2007-03-22 | 2009-03-24 | Wisconsin Alumni Research Foundation | RF coil assembly and method for practicing magnetization transfer on magnetic resonance imaging and spectroscopy systems |
| US7936170B2 (en) | 2008-08-08 | 2011-05-03 | General Electric Co. | RF coil and apparatus to reduce acoustic noise in an MRI system |
| US8854042B2 (en) | 2010-08-05 | 2014-10-07 | Life Services, LLC | Method and coils for human whole-body imaging at 7 T |
| WO2014034806A1 (ja) * | 2012-08-29 | 2014-03-06 | 株式会社東芝 | 高周波コイル及び磁気共鳴イメージング装置 |
| US9404983B2 (en) * | 2013-03-12 | 2016-08-02 | Viewray, Incorporated | Radio frequency transmit coil for magnetic resonance imaging system |
| US10191128B2 (en) | 2014-02-12 | 2019-01-29 | Life Services, LLC | Device and method for loops-over-loops MRI coils |
| US10281534B2 (en) | 2014-03-20 | 2019-05-07 | Life Services, LLC | Tissue-slice MRI coil and rotation mechanism |
| KR102237827B1 (ko) * | 2014-09-01 | 2021-04-08 | 삼성전자주식회사 | 유전 구조체를 포함하는 rf 코일부 및 이를 포함하는 자기공명영상 시스템 |
| US10288711B1 (en) | 2015-04-30 | 2019-05-14 | Life Services, LLC | Device and method for simultaneous TX/RX in strongly coupled MRI coil loops |
| US10827948B1 (en) | 2015-11-25 | 2020-11-10 | Life Services, LLC | Method and apparatus for multi-part close fitting head coil |
| US10324146B2 (en) * | 2016-01-12 | 2019-06-18 | Life Services, LLC | Method and apparatus for multi-part body coil |
| US11333731B2 (en) * | 2018-04-13 | 2022-05-17 | Canon Medical Systems Corporation | Magnetic resonance imaging apparatus, RF coil, and magnetic resonance imaging method |
| US12025684B2 (en) | 2021-08-04 | 2024-07-02 | Viewray Systems, Inc. | RF coil assemblies |
| US12350523B2 (en) | 2021-10-22 | 2025-07-08 | Viewray Systems, Inc. | MRI guided radiotherapy |
| US12478803B2 (en) | 2021-10-22 | 2025-11-25 | Viewray Systems, Inc. | Systems, methods and computer software for optimized radiation therapy |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4680548A (en) | 1984-10-09 | 1987-07-14 | General Electric Company | Radio frequency field coil for NMR |
| US4689563A (en) | 1985-06-10 | 1987-08-25 | General Electric Company | High-field nuclear magnetic resonance imaging/spectroscopy system |
| US4667159A (en) | 1985-06-10 | 1987-05-19 | General Electric Company | Method of, and apparatus for, minimizing magnetic resonance imaging artifacts due to power line interference |
| JP2594975B2 (ja) | 1987-09-21 | 1997-03-26 | 三菱電機株式会社 | Nmr用高周波プローブ |
| US4885539A (en) * | 1988-06-06 | 1989-12-05 | General Electric Company | Volume NMR coil for optimum signal-to-noise ratio |
| US4871969A (en) | 1988-12-22 | 1989-10-03 | General Electric Company | RF shield for RF coil contained within gradient coils of NMR imaging device |
| US4887039A (en) | 1988-12-22 | 1989-12-12 | General Electric Company | Method for providing multiple coaxial cable connections to a radio-frequency antenna without baluns |
| JPH04279150A (ja) | 1990-08-17 | 1992-10-05 | General Electric Co <Ge> | 改良コネクタを有する分割型nmrコイル |
| US6249121B1 (en) | 1999-05-17 | 2001-06-19 | General Electric Company | RF body coil |
| US6396271B1 (en) * | 1999-09-17 | 2002-05-28 | Philips Medical Systems (Cleveland), Inc. | Tunable birdcage transmitter coil |
| US6297636B1 (en) | 2000-01-11 | 2001-10-02 | Ge Yokogawa Medical Systems, Limited | RF coil, RF magnetic field generating apparatus and magnetic resonance imaging method and apparatus |
-
2001
- 2001-10-12 US US09/682,741 patent/US6538441B1/en not_active Expired - Lifetime
-
2002
- 2002-10-10 EP EP02257057A patent/EP1302781A3/en not_active Ceased
- 2002-10-11 JP JP2002298168A patent/JP4067381B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20030071621A1 (en) | 2003-04-17 |
| EP1302781A2 (en) | 2003-04-16 |
| JP2003175015A (ja) | 2003-06-24 |
| EP1302781A3 (en) | 2004-05-12 |
| US6538441B1 (en) | 2003-03-25 |
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