JP6640859B2 - 磁気共鳴システム、磁気共鳴システムの作動方法及びコンピュータ・プログラム - Google Patents
磁気共鳴システム、磁気共鳴システムの作動方法及びコンピュータ・プログラム Download PDFInfo
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- JP6640859B2 JP6640859B2 JP2017538307A JP2017538307A JP6640859B2 JP 6640859 B2 JP6640859 B2 JP 6640859B2 JP 2017538307 A JP2017538307 A JP 2017538307A JP 2017538307 A JP2017538307 A JP 2017538307A JP 6640859 B2 JP6640859 B2 JP 6640859B2
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- 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]
- G01R33/443—Assessment of an electric or a magnetic field, e.g. spatial mapping, determination of a B0 drift or dosimetry
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- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/243—Spatial mapping of the polarizing magnetic field
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- 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
- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/246—Spatial mapping of the RF magnetic field B1
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- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
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- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
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- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
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- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
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- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15151936 | 2015-01-21 | ||
| EP15151936.0 | 2015-01-21 | ||
| US201562138492P | 2015-03-26 | 2015-03-26 | |
| US62/138,492 | 2015-03-26 | ||
| PCT/EP2016/051199 WO2016116545A1 (en) | 2015-01-21 | 2016-01-21 | Mri method for calculating derived values from b0 and b1 maps |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018506337A JP2018506337A (ja) | 2018-03-08 |
| JP2018506337A5 JP2018506337A5 (enExample) | 2019-05-23 |
| JP6640859B2 true JP6640859B2 (ja) | 2020-02-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017538307A Expired - Fee Related JP6640859B2 (ja) | 2015-01-21 | 2016-01-21 | 磁気共鳴システム、磁気共鳴システムの作動方法及びコンピュータ・プログラム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10330757B2 (enExample) |
| EP (1) | EP3248023A1 (enExample) |
| JP (1) | JP6640859B2 (enExample) |
| CN (1) | CN107407714B (enExample) |
| WO (1) | WO2016116545A1 (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10295633B2 (en) * | 2014-12-04 | 2019-05-21 | Koninklijke Philips N.V. | Dixon magnetic resonance imaging using prior knowledge |
| US10197657B2 (en) * | 2015-08-12 | 2019-02-05 | The Regents Of The University Of California | Methods and systems for generating a conductivity map of an in vivo tissue |
| EP3282272A1 (en) * | 2016-08-08 | 2018-02-14 | Medizinische Universität Wien | Phase offset determination in magnetic resonance imaging |
| DE102016115216A1 (de) * | 2016-08-16 | 2018-02-22 | Mr Comp Gmbh | Vorrichtung und Verfahren zur Prüfung der MR-Sicherheit von Implantaten |
| JP6615079B2 (ja) * | 2016-09-29 | 2019-12-04 | 株式会社日立製作所 | 核磁気共鳴を利用した電気特性測定装置及び方法 |
| DE112017005080T5 (de) * | 2016-10-06 | 2019-07-11 | Koninklijke Philips N.V. | Direkte messung des b0-ausserresonanzfelds während magnetresonanz-fingerabdruckerzeugung |
| CN110073232B (zh) * | 2016-12-15 | 2022-08-16 | 皇家飞利浦有限公司 | 用于多状态磁共振指纹识别的磁共振成像系统、方法和计算机可读介质 |
| KR20180085976A (ko) * | 2017-01-20 | 2018-07-30 | 삼성전자주식회사 | 자기 공명 영상 장치 및 자기 공명 영상 장치의 제어 방법 |
| EP3378426A1 (en) * | 2017-03-20 | 2018-09-26 | Koninklijke Philips N.V. | Locating ablated tissues using electric properties tomography |
| US10888246B2 (en) * | 2017-07-18 | 2021-01-12 | Synthetic Mr Ab | Method and system for generating a contrast enhancement map |
| EP3336567B1 (de) * | 2017-07-24 | 2020-11-04 | Siemens Healthcare GmbH | Bestimmung von phasenverteilungen in mr-bildgebungsverfahren |
| DE102017215002A1 (de) * | 2017-08-28 | 2019-02-28 | Siemens Healthcare Gmbh | Verfahren zur Aufnahme einer B0-Karte mit einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
| EP3511725A1 (en) * | 2018-01-11 | 2019-07-17 | Koninklijke Philips N.V. | Dual resolution dixon magnetic resonance imaging |
| EP3521849A1 (en) * | 2018-02-02 | 2019-08-07 | Koninklijke Philips N.V. | Mri with fat/water separation |
| EP3550319A1 (en) * | 2018-04-05 | 2019-10-09 | Koninklijke Philips N.V. | Emulation mode for mri |
| EP3543724A1 (en) * | 2018-03-20 | 2019-09-25 | Koninklijke Philips N.V. | (3-n)-dimensional determination of electric conductivity |
| EP3581090A1 (en) * | 2018-06-11 | 2019-12-18 | Koninklijke Philips N.V. | Electrical properties tomography mapping of conductivity changes |
| EP3754357A1 (en) * | 2019-06-20 | 2020-12-23 | Koninklijke Philips N.V. | Magnetic resonance electric properties tomography without contrast agent |
| EP3885780A1 (en) * | 2020-03-26 | 2021-09-29 | Koninklijke Philips N.V. | Magnetic resonance imaging of breast micro-calcifications |
| EP3893013A1 (en) * | 2020-04-06 | 2021-10-13 | Koninklijke Philips N.V. | Mr imaging for radiation therapy planning |
| FR3115884B1 (fr) * | 2020-10-29 | 2022-10-28 | Olea Medical | Procédé de post-traitement d’un échantillonnage d’une séquence d’acquisition WASAB1 |
| US20230106452A1 (en) * | 2021-10-04 | 2023-04-06 | Calimetrix LLC | Phantom apparatus and methods therefor |
| CN117783976B (zh) * | 2023-11-17 | 2024-10-22 | 北京大学深圳研究生院 | 一种应用于超高场可重构式磁共振成像控制谱仪 |
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| US5144235A (en) * | 1990-08-10 | 1992-09-01 | General Electric Company | Method of decomposing nmr images by chemical species |
| JPH08196522A (ja) * | 1995-01-25 | 1996-08-06 | Toshiba Corp | 磁気共鳴イメージング装置 |
| IT1289809B1 (it) | 1996-12-27 | 1998-10-16 | Ist Trentino Di Cultura | Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza |
| WO2005004703A2 (en) | 2003-06-30 | 2005-01-20 | Board Of Regents, The University Of Texas System | Methods and apparatuses for fast chemical shift magnetic resonance imaging |
| 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 |
| CN102254339A (zh) * | 2011-03-28 | 2011-11-23 | 深圳市蓝韵实业有限公司 | 一种实时医学超声三维成像方法 |
| KR101359134B1 (ko) | 2012-12-28 | 2014-02-06 | 연세대학교 산학협력단 | 도전율 및 자화율 복원 장치 및 방법과 이에 관한 기록매체 |
| GB201301795D0 (en) * | 2013-02-01 | 2013-03-20 | Ucl Business Plc | Apparatus and method for correcting susceptibility artefacts in a magnetic resonance image |
| US9709653B2 (en) * | 2013-02-19 | 2017-07-18 | Toshiba Medical Systems Corporation | Mapping eddy current fields in MRI system |
| WO2014154728A1 (en) | 2013-03-29 | 2014-10-02 | Koninklijke Philips N.V. | Amide proton transfer (apt) and electric properties tomography (ept) imaging in a single mr acquisition |
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2016
- 2016-01-21 US US15/544,397 patent/US10330757B2/en active Active
- 2016-01-21 EP EP16701150.1A patent/EP3248023A1/en not_active Withdrawn
- 2016-01-21 CN CN201680017078.1A patent/CN107407714B/zh not_active Expired - Fee Related
- 2016-01-21 JP JP2017538307A patent/JP6640859B2/ja not_active Expired - Fee Related
- 2016-01-21 WO PCT/EP2016/051199 patent/WO2016116545A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US10330757B2 (en) | 2019-06-25 |
| CN107407714A (zh) | 2017-11-28 |
| EP3248023A1 (en) | 2017-11-29 |
| WO2016116545A1 (en) | 2016-07-28 |
| CN107407714B (zh) | 2020-04-14 |
| US20180011158A1 (en) | 2018-01-11 |
| JP2018506337A (ja) | 2018-03-08 |
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