JP6084573B2 - マルチポイントディクソン技術を用いるｍｒ撮像 - Google Patents

マルチポイントディクソン技術を用いるｍｒ撮像 Download PDF

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Publication number: JP6084573B2
Authority: JP; Japan
Prior art keywords: image; signal data; data set; calibration; shim
Prior art date: 2010-12-02
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.): Active

Application number

JP2013541452A

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English (en)

Japanese (ja)

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JP2014503249A (ja

JP2014503249A5 (2

Inventor

アルジャンウィレムシモネッティ

グウェナエルヘンリヘリゴールト

ペテルボエルネルト

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Koninklijke Philips NV

Priority date (The priority date 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 date listed.)

2010-12-02

Filing date

2011-11-24

Publication date

2017-02-22

2011-11-24 Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV

2014-02-13 Publication of JP2014503249A publication Critical patent/JP2014503249A/ja

2014-12-18 Publication of JP2014503249A5 publication Critical patent/JP2014503249A5/ja

2017-02-22 Application granted granted Critical

2017-02-22 Publication of JP6084573B2 publication Critical patent/JP6084573B2/ja

Status Active legal-status Critical Current

2031-11-24 Anticipated expiration legal-status Critical

Links

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XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
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Images

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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
- G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency
- 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
- G01R33/28—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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
- 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
- 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
- G01R33/56—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
- G01R33/56527—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to chemical shift effects

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Physics & Mathematics (AREA)
Condensed Matter Physics & Semiconductors (AREA)
General Physics & Mathematics (AREA)
High Energy & Nuclear Physics (AREA)
Engineering & Computer Science (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Radiology & Medical Imaging (AREA)
Magnetic Resonance Imaging Apparatus (AREA)

JP2013541452A 2010-12-02 2011-11-24 マルチポイントディクソン技術を用いるｍｒ撮像 Active JP6084573B2 (ja)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
EP10193467.7		2010-12-02
EP10193467A EP2461175A1 (en)	2010-12-02	2010-12-02	MR imaging using a multi-point Dixon technique
PCT/IB2011/055268 WO2012073159A2 (en)	2010-12-02	2011-11-24	Mr imaging using a multi-point dixon technique

Publications (3)

Publication Number	Publication Date
JP2014503249A JP2014503249A (ja)	2014-02-13
JP2014503249A5 JP2014503249A5 (2)	2014-12-18
JP6084573B2 true JP6084573B2 (ja)	2017-02-22

Family

ID=43567771

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2013541452A Active JP6084573B2 (ja)	2010-12-02	2011-11-24	マルチポイントディクソン技術を用いるｍｒ撮像

Country Status (5)

Country	Link
US (1)	US9575153B2 (2)
EP (2)	EP2461175A1 (2)
JP (1)	JP6084573B2 (2)
CN (1)	CN103229069B (2)
WO (1)	WO2012073159A2 (2)

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JP6560492B2 (ja) *	2014-12-25	2019-08-14	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	磁気共鳴装置およびプログラム
EP3250935A1 (en) *	2015-01-27	2017-12-06	Koninklijke Philips N.V.	Parallel multi-slice mr imaging with suppression of side band artefacts
JP6865697B2 (ja)	2015-06-15	2021-04-28	コーニンクレッカフィリップスエヌヴェＫｏｎｉｎｋｌｉｊｋｅＰｈｉｌｉｐｓＮ．Ｖ．	スタックオブスター獲得を使用したｍｒ像形成
CN107923958B (zh) *	2015-06-26	2020-06-23	皇家飞利浦有限公司	相位校正的狄克逊磁共振成像
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2010
- 2010-12-02 EP EP10193467A patent/EP2461175A1/en not_active Withdrawn
2011
- 2011-11-24 WO PCT/IB2011/055268 patent/WO2012073159A2/en not_active Ceased
- 2011-11-24 EP EP11837301.8A patent/EP2646843B1/en active Active
- 2011-11-24 CN CN201180057549.9A patent/CN103229069B/zh active Active
- 2011-11-24 JP JP2013541452A patent/JP6084573B2/ja active Active
- 2011-11-24 US US13/990,050 patent/US9575153B2/en active Active

Also Published As

Publication number	Publication date
US20130249553A1 (en)	2013-09-26
US9575153B2 (en)	2017-02-21
CN103229069A (zh)	2013-07-31
EP2461175A1 (en)	2012-06-06
JP2014503249A (ja)	2014-02-13
EP2646843A2 (en)	2013-10-09
WO2012073159A2 (en)	2012-06-07
WO2012073159A3 (en)	2012-07-26
CN103229069B (zh)	2016-03-16
EP2646843B1 (en)	2020-08-12

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