JP7232185B2 - 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 - Google Patents
異なるmriモードのためのrfコイル装置及びrf遮蔽装置 Download PDFInfo
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- JP7232185B2 JP7232185B2 JP2019533550A JP2019533550A JP7232185B2 JP 7232185 B2 JP7232185 B2 JP 7232185B2 JP 2019533550 A JP2019533550 A JP 2019533550A JP 2019533550 A JP2019533550 A JP 2019533550A JP 7232185 B2 JP7232185 B2 JP 7232185B2
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- 238000001465 metallisation Methods 0.000 claims description 46
- 238000003384 imaging method Methods 0.000 claims description 42
- 230000003068 static effect Effects 0.000 claims description 11
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 8
- 230000005284 excitation Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
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- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
Images
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
- G01R33/42—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
- G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
-
- 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
- G01R33/34076—Birdcage 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
- G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
- G01R33/3453—Transverse electromagnetic [TEM] coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/003—Printed circuit coils
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022072981A JP7271765B2 (ja) | 2016-12-22 | 2022-04-27 | 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16206076.8 | 2016-12-22 | ||
| EP16206076 | 2016-12-22 | ||
| PCT/EP2017/083987 WO2018115223A1 (en) | 2016-12-22 | 2017-12-21 | Rf coil device and rf shield device for different mri modes |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022072981A Division JP7271765B2 (ja) | 2016-12-22 | 2022-04-27 | 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020501808A JP2020501808A (ja) | 2020-01-23 |
| JP2020501808A5 JP2020501808A5 (cg-RX-API-DMAC7.html) | 2021-02-04 |
| JP7232185B2 true JP7232185B2 (ja) | 2023-03-02 |
Family
ID=57588871
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019533550A Active JP7232185B2 (ja) | 2016-12-22 | 2017-12-21 | 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 |
| JP2022072981A Active JP7271765B2 (ja) | 2016-12-22 | 2022-04-27 | 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022072981A Active JP7271765B2 (ja) | 2016-12-22 | 2022-04-27 | 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11402450B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP3559690B1 (cg-RX-API-DMAC7.html) |
| JP (2) | JP7232185B2 (cg-RX-API-DMAC7.html) |
| CN (1) | CN110312942B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2018115223A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019050933A1 (en) * | 2017-09-05 | 2019-03-14 | University Of Florida Research Foundation | TRANSFER OF WIRELESS ENERGY TO BIOMEDICAL IMPLANTS |
| AU2020361502A1 (en) * | 2019-10-08 | 2022-04-14 | Trustees Of Boston University | Nonlinear and smart metamaterials useful to change resonance frequencies |
| EP4306982A3 (en) * | 2021-03-04 | 2024-03-13 | Koninklijke Philips N.V. | Radio frequency coil with t-shaped connector between electrical conductors and radio frequency shield |
| CN113109748A (zh) * | 2021-05-08 | 2021-07-13 | 苏州众志医疗科技有限公司 | 用于磁共振成像的射频装置和磁共振成像系统 |
| CN216434341U (zh) * | 2021-09-26 | 2022-05-03 | 深圳市联影高端医疗装备创新研究院 | 一种射频线圈 |
| JP2023154967A (ja) * | 2022-04-08 | 2023-10-20 | キヤノンメディカルシステムズ株式会社 | アレイコイル及び製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010035504A1 (en) | 2000-04-05 | 2001-11-01 | The University Of Washington | Capacitive shield for containing radiofrequency magnetic fields |
| WO2004060156A1 (ja) | 2002-12-27 | 2004-07-22 | Hitachi Medical Corporation | 磁気共鳴イメージング装置 |
| US20130082709A1 (en) | 2011-09-30 | 2013-04-04 | Agilent Technologies, Inc. | Parallel magnetic resonance imaging using global volume array coil |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4642569A (en) | 1983-12-16 | 1987-02-10 | General Electric Company | Shield for decoupling RF and gradient coils in an NMR apparatus |
| DE3347597A1 (de) * | 1983-12-30 | 1985-07-18 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern |
| US4638253A (en) * | 1984-10-29 | 1987-01-20 | General Electric Company | Mutual inductance NMR RF coil matching device |
| US5243286A (en) * | 1990-06-06 | 1993-09-07 | Advanced Nmr Systems, Inc. | Split shield for magnetic resonance imaging |
| US5680046A (en) | 1994-08-05 | 1997-10-21 | General Electric Company | Double-sided RF shield for RF coil contained within gradient coils used in high speed NMR imaging |
| GB9511101D0 (en) | 1995-06-01 | 1995-07-26 | British Tech Group | Magnetic coil |
| US6344745B1 (en) | 1998-11-25 | 2002-02-05 | Medrad, Inc. | Tapered birdcage resonator for improved homogeneity in MRI |
| US6420871B1 (en) * | 2001-03-02 | 2002-07-16 | Varian, Inc. | Multiple tuned birdcage coils |
| WO2003008988A1 (en) * | 2001-07-20 | 2003-01-30 | Mri Devices Corporation | Coil configuration for magnetic resonance imaging |
| US6791328B1 (en) * | 2003-06-06 | 2004-09-14 | General Electric Company | Method and apparatus for very high field magnetic resonance imaging systems |
| US7345481B2 (en) | 2003-11-18 | 2008-03-18 | Koninklijke Philips Electronics N.V. | Hybrid TEM/birdcage coil for MRI |
| JP3699968B2 (ja) * | 2003-12-17 | 2005-09-28 | 株式会社東芝 | 多重同調rfコイル |
| EP1797444A1 (en) | 2004-10-07 | 2007-06-20 | Invivo Corporation | Method and apparatus for discrete shielding of volume rf coil arrays |
| CN101088020B (zh) * | 2004-12-22 | 2010-12-01 | 皇家飞利浦电子股份有限公司 | 具有传输线端环的射频线圈 |
| US7622928B2 (en) * | 2005-09-20 | 2009-11-24 | Koninklijke Philips Electronics N.V. | RF traps for radio frequency coils used in MRI |
| JP2009513217A (ja) * | 2005-10-27 | 2009-04-02 | 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 | Mriにおける送信器の能動減結合 |
| WO2007108914A2 (en) | 2006-03-15 | 2007-09-27 | Albert Einstein College Of Medicine Of Yeshiva University | Surface coil arrays for simultaneous reception and transmission with a volume coil and uses thereof |
| CN101583310B (zh) * | 2007-01-11 | 2013-09-04 | 皇家飞利浦电子股份有限公司 | 用于同时进行pet和mr成像的pet/mr扫描器 |
| EP2618170A1 (en) * | 2007-02-26 | 2013-07-24 | Koninklijke Philips Electronics N.V. | Sinusoidally resonant radio frequency volume coils for high field magnetic resonance applications |
| US7501828B1 (en) * | 2007-12-19 | 2009-03-10 | Varian, Inc. | Switchable birdcage coil |
| CN201190978Y (zh) | 2008-03-25 | 2009-02-04 | 王保亮 | 背光光源模组 |
| WO2009125320A1 (en) | 2008-04-09 | 2009-10-15 | Koninklijke Philips Electronics N.V. | Double layer multi element rf strip coil array for sar reduced high field mr |
| US7936170B2 (en) * | 2008-08-08 | 2011-05-03 | General Electric Co. | RF coil and apparatus to reduce acoustic noise in an MRI system |
| US8026721B2 (en) * | 2009-02-25 | 2011-09-27 | Siemens Aktiengesellschaft | Remote body arrays for high-performance magnetic resonance imaging and spectroscopy |
| CN102472830B (zh) | 2009-07-15 | 2016-03-30 | 微雷公司 | 用于使直线性加速器和磁共振成像设备彼此屏蔽的方法和装置 |
| WO2013065480A1 (ja) | 2011-11-01 | 2013-05-10 | 株式会社 日立メディコ | 磁気共鳴イメージング装置およびアンテナ装置 |
| EP2672286A1 (en) | 2012-06-05 | 2013-12-11 | Koninklijke Philips N.V. | TEM resonator system especially for use in an MRI system |
| JP6422875B2 (ja) | 2012-10-25 | 2018-11-14 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 別々に制御されるリング部材とラングとを有する、磁気共鳴(mr)撮像システム用の無線周波数(rf)バードケージコイル |
| US11193992B2 (en) * | 2017-05-05 | 2021-12-07 | Quality Electrodynamics, Llc | Single layer magnetic resonance imaging (MRI) transmit/receive (Tx/Rx) radio frequency (RF) coil with induced current failsafe protection |
-
2017
- 2017-12-21 JP JP2019533550A patent/JP7232185B2/ja active Active
- 2017-12-21 CN CN201780087038.9A patent/CN110312942B/zh active Active
- 2017-12-21 WO PCT/EP2017/083987 patent/WO2018115223A1/en not_active Ceased
- 2017-12-21 EP EP17828734.8A patent/EP3559690B1/en active Active
- 2017-12-21 US US16/468,759 patent/US11402450B2/en active Active
-
2022
- 2022-04-27 JP JP2022072981A patent/JP7271765B2/ja active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010035504A1 (en) | 2000-04-05 | 2001-11-01 | The University Of Washington | Capacitive shield for containing radiofrequency magnetic fields |
| WO2004060156A1 (ja) | 2002-12-27 | 2004-07-22 | Hitachi Medical Corporation | 磁気共鳴イメージング装置 |
| US20130082709A1 (en) | 2011-09-30 | 2013-04-04 | Agilent Technologies, Inc. | Parallel magnetic resonance imaging using global volume array coil |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3559690B1 (en) | 2021-08-18 |
| US11402450B2 (en) | 2022-08-02 |
| JP2022115899A (ja) | 2022-08-09 |
| CN110312942A (zh) | 2019-10-08 |
| EP3559690A1 (en) | 2019-10-30 |
| CN110312942B (zh) | 2022-09-06 |
| JP2020501808A (ja) | 2020-01-23 |
| JP7271765B2 (ja) | 2023-05-11 |
| US20190317164A1 (en) | 2019-10-17 |
| WO2018115223A1 (en) | 2018-06-28 |
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