CN104919329B - 用于磁共振成像系统的tem谐振器型射频天线装置 - Google Patents
用于磁共振成像系统的tem谐振器型射频天线装置 Download PDFInfo
- Publication number
- CN104919329B CN104919329B CN201380070610.2A CN201380070610A CN104919329B CN 104919329 B CN104919329 B CN 104919329B CN 201380070610 A CN201380070610 A CN 201380070610A CN 104919329 B CN104919329 B CN 104919329B
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- China
- Prior art keywords
- radio frequency
- crosspiece
- frequency antenna
- tem
- antenna apparatus
- 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.)
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Links
- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims description 15
- 238000007689 inspection Methods 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000013598 vector Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
- G01R33/3453—Transverse electromagnetic [TEM] coils
-
- 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
- G01R33/34092—RF coils specially adapted for NMR spectrometers
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361753477P | 2013-01-17 | 2013-01-17 | |
| US61/753,477 | 2013-01-17 | ||
| PCT/IB2013/061404 WO2014111777A1 (en) | 2013-01-17 | 2013-12-30 | Tem resonator-type rf antenna device for a magnetic resonance imaging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104919329A CN104919329A (zh) | 2015-09-16 |
| CN104919329B true CN104919329B (zh) | 2019-03-08 |
Family
ID=50112954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380070610.2A Active CN104919329B (zh) | 2013-01-17 | 2013-12-30 | 用于磁共振成像系统的tem谐振器型射频天线装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10989772B2 (enExample) |
| EP (1) | EP2946221B1 (enExample) |
| JP (1) | JP6441235B2 (enExample) |
| CN (1) | CN104919329B (enExample) |
| WO (1) | WO2014111777A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2946221B1 (en) * | 2013-01-17 | 2022-09-28 | Koninklijke Philips N.V. | Tem resonator-type rf antenna device for a magnetic resonance imaging system |
| CN108261200B (zh) * | 2018-01-17 | 2022-07-26 | 上海联影医疗科技股份有限公司 | Mr-pet扫描装置 |
| US11564575B2 (en) | 2018-01-17 | 2023-01-31 | Shanghai United Imaging Healthcare Co., Ltd. | Magnetic resonance-positron emission tomography imaging apparatus |
| EP3736591A1 (de) * | 2019-05-09 | 2020-11-11 | Siemens Healthcare GmbH | Grundfeldmagnetanordnung für ein magnetresonanztomographie-system |
| CN120802145A (zh) * | 2021-05-10 | 2025-10-17 | 上海联影医疗科技股份有限公司 | 射频线圈系统及磁共振成像设备 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04285535A (ja) * | 1991-03-15 | 1992-10-09 | Hitachi Ltd | Ｍｒｉ用多重同調コイル |
| EP2021815A2 (en) * | 2006-04-19 | 2009-02-11 | Wisconsin Alumini Research Foundation | Rf coil assembly for magnetic resonance imaging and spectroscopy systems |
| WO2010018535A1 (en) * | 2008-08-14 | 2010-02-18 | Koninklijke Philips Electronics N.V. | Multi-channel rf-transmit (multix) tem coil array with non-radiating inductive stripline decoupling |
| CN102549446A (zh) * | 2009-09-28 | 2012-07-04 | 皇家飞利浦电子股份有限公司 | 具有可自由访问的检查体积的mr成像系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124465A1 (de) | 2001-05-19 | 2002-11-21 | Philips Corp Intellectual Pty | Sende- und Empfangsspule für MR-Gerät |
| US6667674B2 (en) * | 2002-04-12 | 2003-12-23 | Varian, Inc. | NMR resonators optimized for high Q factor |
| JP2007536975A (ja) | 2004-05-14 | 2007-12-20 | 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 | 超高磁場ｍｒ用の短素子ｔｅｍコイル |
| US20100109667A1 (en) | 2007-05-03 | 2010-05-06 | Koninklijke Philips Electronics N.V. | Transverse electromagnetic radio-frequency coil |
| EP2230530A1 (en) * | 2009-03-20 | 2010-09-22 | Koninklijke Philips Electronics N.V. | A tesseral shim coil for a magnetic resonance system |
| US7994788B2 (en) * | 2009-04-03 | 2011-08-09 | General Electric Company | Short hybrid microstrip magnetic resonance coils |
| US9069098B2 (en) * | 2011-09-09 | 2015-06-30 | Schlumberger Technology Corporation | Three or more multiple figure-eight coils for NMR well-logging measurements with azimuthal directional sensitivity |
| CN104011556B (zh) * | 2011-10-10 | 2017-03-08 | 皇家飞利浦有限公司 | 用于磁共振的横向电磁（tem）射频线圈 |
| EP2946221B1 (en) * | 2013-01-17 | 2022-09-28 | Koninklijke Philips N.V. | Tem resonator-type rf antenna device for a magnetic resonance imaging system |
-
2013
- 2013-12-30 EP EP13830065.2A patent/EP2946221B1/en not_active Not-in-force
- 2013-12-30 WO PCT/IB2013/061404 patent/WO2014111777A1/en not_active Ceased
- 2013-12-30 US US14/761,346 patent/US10989772B2/en active Active
- 2013-12-30 JP JP2015553184A patent/JP6441235B2/ja not_active Expired - Fee Related
- 2013-12-30 CN CN201380070610.2A patent/CN104919329B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04285535A (ja) * | 1991-03-15 | 1992-10-09 | Hitachi Ltd | Ｍｒｉ用多重同調コイル |
| EP2021815A2 (en) * | 2006-04-19 | 2009-02-11 | Wisconsin Alumini Research Foundation | Rf coil assembly for magnetic resonance imaging and spectroscopy systems |
| WO2010018535A1 (en) * | 2008-08-14 | 2010-02-18 | Koninklijke Philips Electronics N.V. | Multi-channel rf-transmit (multix) tem coil array with non-radiating inductive stripline decoupling |
| CN102549446A (zh) * | 2009-09-28 | 2012-07-04 | 皇家飞利浦电子股份有限公司 | 具有可自由访问的检查体积的mr成像系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2946221B1 (en) | 2022-09-28 |
| JP2016503704A (ja) | 2016-02-08 |
| US20150362568A1 (en) | 2015-12-17 |
| US10989772B2 (en) | 2021-04-27 |
| EP2946221A1 (en) | 2015-11-25 |
| JP6441235B2 (ja) | 2018-12-19 |
| CN104919329A (zh) | 2015-09-16 |
| WO2014111777A1 (en) | 2014-07-24 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |