CN104330756B - 磁共振断层成像系统和方法 - Google Patents
磁共振断层成像系统和方法 Download PDFInfo
- Publication number
- CN104330756B CN104330756B CN201410350075.2A CN201410350075A CN104330756B CN 104330756 B CN104330756 B CN 104330756B CN 201410350075 A CN201410350075 A CN 201410350075A CN 104330756 B CN104330756 B CN 104330756B
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- China
- Prior art keywords
- magnetic resonance
- transmit coils
- tomography system
- resonance tomography
- coil
- Prior art date
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- 238000003325 tomography Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000003384 imaging method Methods 0.000 claims description 25
- 238000007689 inspection Methods 0.000 claims description 9
- 230000010287 polarization Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000002591 computed tomography Methods 0.000 claims 3
- 238000002603 single-photon emission computed tomography Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 2
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 210000003127 knee Anatomy 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000005577 local transmission Effects 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or 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
- G01R33/32—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
- G01R33/3664—Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view
-
- 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
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
- G01R33/365—Decoupling of multiple RF coils wherein the multiple RF coils have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array
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 |
|---|---|---|---|
| DE102013214285.4 | 2013-07-22 | ||
| DE102013214285.4A DE102013214285A1 (de) | 2013-07-22 | 2013-07-22 | Verwendung mehrerer TX-Spulen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104330756A CN104330756A (zh) | 2015-02-04 |
| CN104330756B true CN104330756B (zh) | 2018-06-08 |
Family
ID=52131417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410350075.2A Active CN104330756B (zh) | 2013-07-22 | 2014-07-22 | 磁共振断层成像系统和方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10274560B2 (enExample) |
| JP (1) | JP6463608B2 (enExample) |
| KR (1) | KR20150011325A (enExample) |
| CN (1) | CN104330756B (enExample) |
| DE (1) | DE102013214285A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8970217B1 (en) | 2010-04-14 | 2015-03-03 | Hypres, Inc. | System and method for noise reduction in magnetic resonance imaging |
| EP2989478B1 (en) * | 2013-04-23 | 2023-02-15 | Koninklijke Philips N.V. | Single coaxial interface for magnetic resonance (mr) coils |
| DE102014202567B4 (de) * | 2014-02-12 | 2017-05-04 | Siemens Healthcare Gmbh | Verfahren zur Erzeugung von Magnetresonanzaufnahmen und Magnetresonanztomographiesystem |
| DE102014209783B4 (de) * | 2014-05-22 | 2018-06-14 | Siemens Healthcare Gmbh | Erstellung eines MR-Bildes mit Hilfe einer Kombination aus einer Ganzkörperspule und einer lokalen Sendespule |
| JP6884101B2 (ja) * | 2015-01-21 | 2021-06-09 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | 多チャンネルｒｆコイルアセンブリの自動化されたインピーダンス調節 |
| CN106646298B (zh) * | 2015-10-28 | 2019-05-24 | 西门子(深圳)磁共振有限公司 | 一种体线圈及磁共振成像系统 |
| JP6687375B2 (ja) * | 2015-11-30 | 2020-04-22 | キヤノンメディカルシステムズ株式会社 | Ｒｆコイル及び磁気共鳴イメージング装置 |
| KR102654925B1 (ko) | 2016-06-21 | 2024-04-05 | 삼성디스플레이 주식회사 | 디스플레이 장치 및 이의 제조 방법 |
| EP3581954B1 (de) * | 2018-06-12 | 2023-03-08 | Siemens Healthcare GmbH | Sensor und magnetresonanztomograph mit drahtloser nahfeldübertragung von energie und daten |
| EP4016103A1 (de) * | 2020-12-18 | 2022-06-22 | Siemens Healthcare GmbH | Magnetresonanztomograph und verfahren zum schnellen umschalten von tx nach rx |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI73320C (fi) | 1984-01-20 | 1987-09-10 | Instrumentarium Oy | Nmr-spolarrangemang. |
| JPH0194834A (ja) * | 1987-10-06 | 1989-04-13 | Mitsubishi Electric Corp | Ｎｍｒ用高周波プローブ及びｎｍｒ信号測定方法 |
| US5243287A (en) * | 1992-04-27 | 1993-09-07 | General Electric Company | Dynamically detuned NMR field coil |
| DE10051155C2 (de) * | 2000-10-16 | 2002-09-19 | Siemens Ag | Inhärent entkoppelte MR-Empfangsspulenanordnung |
| DE10113661A1 (de) * | 2001-03-21 | 2002-09-26 | Philips Corp Intellectual Pty | Katheter zur Anwendung in einem Magnetresonanz-Bildgerät |
| US6552544B2 (en) * | 2001-04-05 | 2003-04-22 | Varian, Inc. | Detunable coil assembly and method of detuning RF coil for MRI |
| WO2003098247A1 (de) * | 2002-05-15 | 2003-11-27 | Siemens Aktiengesellschaft | Magnetresonanzanlage |
| US6850067B1 (en) * | 2002-05-17 | 2005-02-01 | General Electric Company | Transmit mode coil detuning for MRI systems |
| DE10314215B4 (de) | 2003-03-28 | 2006-11-16 | Siemens Ag | Magnetresonanzantenne und Verfahren zur Verstimmung deren Eigenresonanzfrequenz |
| DE102006046044B4 (de) | 2006-09-28 | 2010-04-08 | Siemens Ag | Hochfrequenzsendeanordnung einer Magnetresonanzanlage |
| WO2008135883A1 (en) * | 2007-05-04 | 2008-11-13 | Koninklijke Philips Electronics N.V. | Method and rf transmitter arrangement for generating rf fields |
| JP5405017B2 (ja) * | 2007-12-28 | 2014-02-05 | 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 | コイルシステム、およびｍｒｉ装置 |
| DE102008014751B4 (de) | 2008-03-18 | 2015-01-15 | Siemens Aktiengesellschaft | Verfahren zum Betrieb einer Anordnung zur Verstimmung einer Empfangsantenne bei einer Lokalspule |
| CN101782635A (zh) * | 2009-01-20 | 2010-07-21 | 西门子迈迪特(深圳)磁共振有限公司 | 磁共振信号的接收器和接收方法 |
| DE102009012109B4 (de) * | 2009-03-06 | 2011-05-12 | Siemens Aktiengesellschaft | Digitales Verfahren zur Kanalreduktion in MR Empfangs-Systemen und entsprechende Vorrichtung |
| DE102009052197B4 (de) | 2009-11-06 | 2013-06-13 | Siemens Aktiengesellschaft | MR-Signal-Übertragung in einer Lokalspulenanordnung |
| JP5225472B2 (ja) * | 2009-11-30 | 2013-07-03 | 株式会社日立メディコ | 高周波コイルユニット及び磁気共鳴撮像装置 |
| US9081066B2 (en) * | 2010-03-24 | 2015-07-14 | Hoby P. Hetherington | Method and apparatus for generating an effective equivalent of simultaneous transmission to a targeted tissue using a conventional transceiver array |
| DE102010020153A1 (de) | 2010-05-11 | 2011-11-17 | Siemens Aktiengesellschaft | Kombinierbare mehrteilige Oberflächenspule für Magnetresonanztomographie |
| US8269499B2 (en) * | 2010-06-01 | 2012-09-18 | Quality Electrodynamics, Llc | Failsafe protection from induced RF current for MRI RF coil assembly having transmit functionality |
| DE102010025919A1 (de) | 2010-07-02 | 2012-01-05 | Siemens Aktiengesellschaft | Spule; D-Form |
| JP2012239723A (ja) | 2011-05-20 | 2012-12-10 | Toshiba Corp | 磁気共鳴イメージング装置 |
| CN103703384B (zh) * | 2011-07-20 | 2016-12-14 | 皇家飞利浦有限公司 | 用于mri的感应耦合的局部并行发射线圈，其元件的每个都包括可变阻抗 |
| US9645207B2 (en) | 2011-09-28 | 2017-05-09 | General Electric Company | Adjustable MRI head coil apparatus and MRI system |
| DE102011083959B4 (de) * | 2011-10-04 | 2021-02-25 | Siemens Healthcare Gmbh | Verfahren zur Ansteuerung eines Magnetresonanzsystems |
| US8918159B2 (en) * | 2012-04-18 | 2014-12-23 | Mayo Foundation For Medical Education And Research | System and method for improved accelerated magnetic resonance imaging using ROI masking |
-
2013
- 2013-07-22 DE DE102013214285.4A patent/DE102013214285A1/de not_active Ceased
-
2014
- 2014-07-18 JP JP2014147643A patent/JP6463608B2/ja active Active
- 2014-07-21 US US14/337,199 patent/US10274560B2/en not_active Expired - Fee Related
- 2014-07-21 KR KR20140091814A patent/KR20150011325A/ko not_active Withdrawn
- 2014-07-22 CN CN201410350075.2A patent/CN104330756B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104330756A (zh) | 2015-02-04 |
| US10274560B2 (en) | 2019-04-30 |
| US20150022208A1 (en) | 2015-01-22 |
| KR20150011325A (ko) | 2015-01-30 |
| JP6463608B2 (ja) | 2019-02-06 |
| DE102013214285A1 (de) | 2015-01-22 |
| JP2015020075A (ja) | 2015-02-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220130 Address after: Erlangen Patentee after: Siemens Healthineers AG Address before: Munich, Germany Patentee before: SIEMENS AG |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240902 Address after: German Phu F Haim Patentee after: Siemens Medical AG Country or region after: Germany Address before: Erlangen Patentee before: Siemens Healthineers AG Country or region before: Germany |