JP6647314B2 - 核磁気共鳴画像用のシムコイル及び方法 - Google Patents
核磁気共鳴画像用のシムコイル及び方法 Download PDFInfo
- Publication number
- JP6647314B2 JP6647314B2 JP2017552976A JP2017552976A JP6647314B2 JP 6647314 B2 JP6647314 B2 JP 6647314B2 JP 2017552976 A JP2017552976 A JP 2017552976A JP 2017552976 A JP2017552976 A JP 2017552976A JP 6647314 B2 JP6647314 B2 JP 6647314B2
- Authority
- JP
- Japan
- Prior art keywords
- shimming
- partial
- shimming coil
- coil set
- coils
- 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 - Fee Related
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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/387—Compensation of inhomogeneities
- G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
-
- 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
-
- 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
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2015/052628 WO2016162734A1 (en) | 2015-04-10 | 2015-04-10 | Shimming coils for magnetic resonance imaging |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018510730A JP2018510730A (ja) | 2018-04-19 |
| JP2018510730A5 JP2018510730A5 (enExample) | 2018-06-07 |
| JP6647314B2 true JP6647314B2 (ja) | 2020-02-14 |
Family
ID=57072043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017552976A Expired - Fee Related JP6647314B2 (ja) | 2015-04-10 | 2015-04-10 | 核磁気共鳴画像用のシムコイル及び方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US10551454B2 (enExample) |
| JP (1) | JP6647314B2 (enExample) |
| CN (1) | CN107533119B (enExample) |
| CA (1) | CA2981658C (enExample) |
| DE (1) | DE112015006439T5 (enExample) |
| GB (1) | GB2553465B (enExample) |
| WO (1) | WO2016162734A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112015006439T5 (de) | 2015-04-10 | 2017-12-28 | Synaptive Medical (Barbados) Inc. | Shimspulen für Magnetresonanztomogrpahie |
| EP4194878A1 (de) * | 2021-12-10 | 2023-06-14 | Siemens Healthcare GmbH | Verfahren zur automatischen kompensation von wirbelströmen in einer magnetresonanzvorrichtung |
| CN116087849B (zh) * | 2023-02-28 | 2023-11-17 | 江苏力磁医疗设备有限公司 | 一种mri专用梯度线圈 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295288A (ja) * | 1988-09-30 | 1990-04-06 | Shimadzu Corp | 自動磁場シミング装置 |
| US5760582A (en) | 1992-07-23 | 1998-06-02 | Fonar Corporation | Optimized gradient coils and shim coils for magnetic resonance scanning systems |
| US6023167A (en) | 1998-01-26 | 2000-02-08 | Picker International, Inc. | Surface coils with integrated shims |
| US6218838B1 (en) * | 1998-08-28 | 2001-04-17 | Picker International, Inc. | MRI magnet with high homogeneity, patient access, and low forces on the driver coils |
| US6507190B1 (en) * | 2000-08-01 | 2003-01-14 | Ge Medical Systems Global Technologies Company Llc | Method and apparatus for compensating polarizing fields in magnetic resonance imaging |
| DE10114319C2 (de) * | 2001-03-23 | 2003-02-13 | Siemens Ag | Shimvorrichtung für ein Magnetresonanzgerät |
| US20050154291A1 (en) * | 2003-09-19 | 2005-07-14 | Lei Zhao | Method of using a small MRI scanner |
| WO2005091012A1 (en) | 2004-03-17 | 2005-09-29 | Koninklijke Philips Electronics N.V. | Dynamic shimset calibration for b0 offset |
| US7224167B2 (en) * | 2004-11-30 | 2007-05-29 | General Electric Company | Magnetic field generating apparatus and method for magnetic resonance imaging |
| JP2008532681A (ja) * | 2005-03-17 | 2008-08-21 | 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 | 磁気共鳴用の最小エネルギーのシムコイル |
| EP1808707A1 (en) * | 2006-01-16 | 2007-07-18 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and static magnetic field correction method |
| US7592812B2 (en) * | 2006-04-13 | 2009-09-22 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and static magnetic field correction method |
| GB2442750B (en) * | 2006-10-10 | 2010-09-15 | Siemens Magnet Technology Ltd | Shimming of Magnet Systems |
| GB2448479B (en) * | 2007-04-18 | 2009-06-03 | Siemens Magnet Technology Ltd | Improved shim for imaging magnets |
| US7753165B2 (en) * | 2007-12-21 | 2010-07-13 | Robert Bosch Gmbh | Device and method for active noise cancellation in exhaust gas channel of a combustion engine |
| CN102349830B (zh) * | 2008-06-26 | 2013-08-14 | 株式会社东芝 | 磁共振成像装置及磁共振成像方法 |
| EP2329283A1 (en) * | 2008-09-17 | 2011-06-08 | Koninklijke Philips Electronics N.V. | Rf shimming with rf power regularization using a multi-channel rf transmit system for mri |
| EP2230530A1 (en) * | 2009-03-20 | 2010-09-22 | Koninklijke Philips Electronics N.V. | A tesseral shim coil for a magnetic resonance system |
| CN101995560B (zh) * | 2009-08-31 | 2013-11-06 | 西门子(深圳)磁共振有限公司 | 对磁场均匀性不足进行补偿的方法和装置 |
| JP5603642B2 (ja) * | 2010-04-27 | 2014-10-08 | 株式会社日立メディコ | 磁気共鳴イメージング装置及びシミング方法 |
| US9500731B2 (en) * | 2010-10-15 | 2016-11-22 | Eleazar Castillo | Shimming device and method to improve magnetic field homogeneity in magnetic resonance imaging devices |
| US8981778B2 (en) * | 2011-04-26 | 2015-03-17 | General Electric Company | Method and apparatus for imaging a patient using local shim coils |
| DE102011077724A1 (de) * | 2011-06-17 | 2012-12-20 | Siemens Aktiengesellschaft | Lokale Shim- Spule innerhalb einer Lokalspule, als lokale BO -Homogenisierung in einem MRT |
| US9488705B2 (en) * | 2011-07-20 | 2016-11-08 | Koninklijke Philips N.V. | Wireless local transmit coils and array with controllable load |
| DE102011080275B4 (de) | 2011-08-02 | 2018-10-25 | Siemens Healthcare Gmbh | Lokalspule, insbesondere Halsspule, mit mehreren separat schaltbaren Lokalspulen- Shimspulen |
| DE102011086658B3 (de) | 2011-11-18 | 2013-03-28 | Siemens Aktiengesellschaft | Von Gradienten unabhängige Shimspule für eine Lokalspule einer Magnetresonanzeinrichtung, Lokalspule, Magnetresonanzeinrichtung, sowie Verfahren zur Platzierung einer Shimspuleneinrichtung |
| US8981779B2 (en) * | 2011-12-13 | 2015-03-17 | Viewray Incorporated | Active resistive shimming fro MRI devices |
| RU2614648C2 (ru) * | 2011-12-23 | 2017-03-28 | Конинклейке Филипс Н.В. | Использование градиентных катушек для коррекции неоднородностей поля b0 высших порядков при формировании изображения методом магнитного резонанса |
| US9678184B2 (en) | 2012-01-11 | 2017-06-13 | Hitachi, Ltd. | Method for increment of RF-phase based on static magnetic field inhomogeneity in MRI apparatus |
| KR101424552B1 (ko) * | 2012-09-05 | 2014-07-31 | 삼성전자 주식회사 | 자기공명영상장치 및 그 제조방법 |
| CN102879753B (zh) * | 2012-10-11 | 2015-04-08 | 中国科学院近代物理研究所 | 用于高均匀度磁体匀场线圈设计的自动化实现方法 |
| DE102015204955B4 (de) | 2015-03-19 | 2019-05-16 | Siemens Healthcare Gmbh | Verfahren zur Magnetresonanz-Bildgebung |
| DE112015006439T5 (de) | 2015-04-10 | 2017-12-28 | Synaptive Medical (Barbados) Inc. | Shimspulen für Magnetresonanztomogrpahie |
-
2015
- 2015-04-10 DE DE112015006439.7T patent/DE112015006439T5/de not_active Withdrawn
- 2015-04-10 US US15/546,393 patent/US10551454B2/en active Active
- 2015-04-10 WO PCT/IB2015/052628 patent/WO2016162734A1/en not_active Ceased
- 2015-04-10 CA CA2981658A patent/CA2981658C/en active Active
- 2015-04-10 GB GB1717753.6A patent/GB2553465B/en active Active
- 2015-04-10 CN CN201580078692.4A patent/CN107533119B/zh active Active
- 2015-04-10 JP JP2017552976A patent/JP6647314B2/ja not_active Expired - Fee Related
-
2020
- 2020-01-27 US US16/773,532 patent/US11237235B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE112015006439T5 (de) | 2017-12-28 |
| CA2981658C (en) | 2021-02-09 |
| CN107533119A (zh) | 2018-01-02 |
| WO2016162734A1 (en) | 2016-10-13 |
| CN107533119B (zh) | 2020-07-28 |
| GB201717753D0 (en) | 2017-12-13 |
| US10551454B2 (en) | 2020-02-04 |
| JP2018510730A (ja) | 2018-04-19 |
| US11237235B2 (en) | 2022-02-01 |
| GB2553465B (en) | 2021-06-09 |
| US20180024212A1 (en) | 2018-01-25 |
| US20200400765A1 (en) | 2020-12-24 |
| GB2553465A (en) | 2018-03-07 |
| CA2981658A1 (en) | 2016-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080211502A1 (en) | Method for automatic coil selection in a magnetic resonance apparatus | |
| JP5885845B2 (ja) | 磁気共鳴撮像装置および高周波磁場条件決定方法 | |
| JP6647314B2 (ja) | 核磁気共鳴画像用のシムコイル及び方法 | |
| US11650273B2 (en) | Adaptive shim coils for MR imaging | |
| US10429480B2 (en) | Combining multiple MRI data acquisitions having different B1 inhomogeneities | |
| US9523755B2 (en) | Method and magnetic resonance apparatus for non-selective excitation of nuclear spin signals in an examination subject | |
| US10732243B2 (en) | Method and apparatus for optimization of a time progression of a magnetic resonance control sequence | |
| US20140195954A1 (en) | Accessories as Workflow Priors in Medical Systems | |
| CN112345987A (zh) | 用于偏移均匀磁场空间的有源线圈 | |
| US10578691B2 (en) | Gradient magnetic field generation module using plurality of coils so as to generate gradient magnetic field | |
| JP2021517032A (ja) | エミュレーションモード | |
| US10788970B2 (en) | Efficient determination of MR scan parameters | |
| CN103675738B (zh) | 用于控制磁共振系统的方法 | |
| US10509089B2 (en) | Method and magnetic resonance apparatus to acquire trace-weighted magnetic resonance data with anisotropic diffusion directions | |
| US11194000B2 (en) | Active b1+ shimming of transmission coils | |
| US10042022B2 (en) | Method for magnetic resonance imaging and magnetic resonance device | |
| JP2018510730A5 (enExample) | ||
| US9671480B2 (en) | Magnetic resonance imaging apparatus | |
| JP4073269B2 (ja) | Mri装置及び画像のww/wlの設定方法 | |
| JP7433871B2 (ja) | 磁気共鳴イメージング装置及びk空間軌跡の収集角度設定方法 | |
| US20170059679A1 (en) | Magnetic resonance imaging apparatus | |
| JP6527138B2 (ja) | 核磁気共鳴撮像装置およびrfシミング方法 | |
| US10408904B2 (en) | MRI using a modified DIXON sequence with reduction of fold-over artifacts | |
| US20210330271A1 (en) | Medical imaging apparatus and medical imaging processing method | |
| US20260020772A1 (en) | Magnetic resonance data acquisition apparatus, magnetic resonance data acquisition method, and non-transitory computer readable medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180404 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180404 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20181122 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181217 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20190312 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190513 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190802 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191021 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200107 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200114 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6647314 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |