JP7346467B2 - 水/脂肪分離を伴うゼロエコー時間mr撮像 - Google Patents
水/脂肪分離を伴うゼロエコー時間mr撮像 Download PDFInfo
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- JP7346467B2 JP7346467B2 JP2020567833A JP2020567833A JP7346467B2 JP 7346467 B2 JP7346467 B2 JP 7346467B2 JP 2020567833 A JP2020567833 A JP 2020567833A JP 2020567833 A JP2020567833 A JP 2020567833A JP 7346467 B2 JP7346467 B2 JP 7346467B2
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Images
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- 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
- G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
- G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
-
- 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
- G01R33/4816—NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time 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
- G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
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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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
- G01R33/485—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy based on chemical shift information [CSI] or spectroscopic imaging, e.g. to acquire the spatial distributions of metabolites
-
- 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
-
- 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
- G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
-
- 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
-
- 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
- G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood imaging
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023102245A JP2023134495A (ja) | 2018-06-05 | 2023-06-22 | 水/脂肪分離を伴うゼロエコー時間mr撮像 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18175926.7A EP3579009A1 (en) | 2018-06-05 | 2018-06-05 | Zero echo time mr imaging with water-fat separation |
| EP18175926.7 | 2018-06-05 | ||
| PCT/EP2019/064125 WO2019233881A1 (en) | 2018-06-05 | 2019-05-30 | Zero echo time mr imaging with water-fat separation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023102245A Division JP2023134495A (ja) | 2018-06-05 | 2023-06-22 | 水/脂肪分離を伴うゼロエコー時間mr撮像 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| JP2021526882A JP2021526882A (ja) | 2021-10-11 |
| JPWO2019233881A5 JPWO2019233881A5 (https=) | 2022-04-28 |
| JP2021526882A5 JP2021526882A5 (https=) | 2022-04-28 |
| JP7346467B2 true JP7346467B2 (ja) | 2023-09-19 |
Family
ID=62567298
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
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| JP2020567833A Active JP7346467B2 (ja) | 2018-06-05 | 2019-05-30 | 水/脂肪分離を伴うゼロエコー時間mr撮像 |
| JP2023102245A Withdrawn JP2023134495A (ja) | 2018-06-05 | 2023-06-22 | 水/脂肪分離を伴うゼロエコー時間mr撮像 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023102245A Withdrawn JP2023134495A (ja) | 2018-06-05 | 2023-06-22 | 水/脂肪分離を伴うゼロエコー時間mr撮像 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11360172B2 (https=) |
| EP (2) | EP3579009A1 (https=) |
| JP (2) | JP7346467B2 (https=) |
| CN (1) | CN112384819B (https=) |
| WO (1) | WO2019233881A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7648390B2 (ja) * | 2021-01-22 | 2025-03-18 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置 |
| CN115297441B (zh) * | 2022-09-30 | 2023-01-17 | 上海世脉信息科技有限公司 | 一种大数据环境下个体时空活动鲁棒性的计算方法 |
| US12078696B2 (en) | 2022-10-06 | 2024-09-03 | GE Precision Healthcare LLC | Silent calibration for magnetic resonance imaging |
| US12376759B2 (en) * | 2022-12-28 | 2025-08-05 | GE Precision Healthcare LLC | System and method for improving magnetic resonance scanning workflow |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170307703A1 (en) | 2016-04-22 | 2017-10-26 | General Electric Company | Silent multi-gradient echo magnetic resonance imaging |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6549008B1 (en) * | 2000-11-14 | 2003-04-15 | Koninklijke Philips Electronics, N.V. | Steady-state imaging sequence |
| US7245124B2 (en) * | 2005-04-12 | 2007-07-17 | Mayo Foundation For Medical Education And Research | Under-sampled 3D MRI using a shells k-space sampling trajectory |
| US8095202B2 (en) * | 2006-08-15 | 2012-01-10 | Mayo Foundation For Medical Education And Research | Accelerated shells trajectory MRI acquisition |
| US8981776B2 (en) * | 2011-04-22 | 2015-03-17 | The General Hospital Corporation | Method for magnetic resonance imaging with controlled aliasing |
| US20150115956A1 (en) | 2012-04-30 | 2015-04-30 | Jerome L. Ackerman | System and method for quiet magnetic resonance imaging |
| DE102012217619B4 (de) * | 2012-09-27 | 2014-10-02 | Siemens Aktiengesellschaft | Aufnahme von Korrekturdaten in der Magnetresonanztechnik |
| CN105103001B (zh) * | 2013-04-03 | 2018-10-19 | 皇家飞利浦有限公司 | 使用高snr同相图像和较低snr至少部分地异相图像的dixon型水/脂肪分离mri |
| WO2015086476A1 (en) * | 2013-12-12 | 2015-06-18 | Koninklijke Philips N.V. | Zero echo time mr imaging with water/fat separation |
| US10359489B2 (en) * | 2013-12-19 | 2019-07-23 | Koninklijke Philips N.V. | Phase sensitive inversion recovery MRI with water/fat separation |
| DE102014215954B4 (de) | 2014-08-12 | 2018-11-22 | Siemens Healthcare Gmbh | Leise Magnetresonanz-Angiographiebildgebung |
| CN107076818B (zh) * | 2014-09-12 | 2019-11-05 | 皇家飞利浦有限公司 | 零回波时间mr成像 |
| US10379184B2 (en) * | 2014-12-12 | 2019-08-13 | Koninklijke | Quiet MR imaging |
| CN107810425B (zh) * | 2015-04-22 | 2020-05-01 | 皇家飞利浦有限公司 | 消除非t2加权信号贡献的t2加权mr成像 |
| WO2016202707A1 (en) * | 2015-06-15 | 2016-12-22 | Koninklijke Philips N.V. | Mr imaging using a stack-of-stars acquisition |
| EP3185029A1 (en) * | 2015-12-22 | 2017-06-28 | Koninklijke Philips N.V. | Mr imaging using propeller acquisition with t2 decay correction |
| US10520573B2 (en) * | 2016-11-23 | 2019-12-31 | General Electric Company | System and method for performing wave-encoded magnetic resonance imaging of an object |
-
2018
- 2018-06-05 EP EP18175926.7A patent/EP3579009A1/en not_active Withdrawn
-
2019
- 2019-05-30 US US16/972,019 patent/US11360172B2/en active Active
- 2019-05-30 WO PCT/EP2019/064125 patent/WO2019233881A1/en not_active Ceased
- 2019-05-30 EP EP19727023.4A patent/EP3803426B1/en active Active
- 2019-05-30 CN CN201980045389.2A patent/CN112384819B/zh active Active
- 2019-05-30 JP JP2020567833A patent/JP7346467B2/ja active Active
-
2023
- 2023-06-22 JP JP2023102245A patent/JP2023134495A/ja not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170307703A1 (en) | 2016-04-22 | 2017-10-26 | General Electric Company | Silent multi-gradient echo magnetic resonance imaging |
Non-Patent Citations (7)
| Title |
|---|
| Andrew P. Leynes, et al.,Hybrid ZTE/Dixon MR-based Attenuation Correction for Quantitative Uptake Estimation of Pelvic Lesions in PET/MRI,Med Phys.,2017年03月 |
| Chris A. Flask, et al.,Radial Alternating TE Sequence for Faster Fat Suppression,Magnetic Resonance in Medicine,2003年,pp.1095-1099 |
| Florian Wiesinger,UTE & ZTE Imaging Techniques,Proceedings of International Society for Magnetic Resonance in Medicine (2017年) ,2017年 |
| H. W. PARK, et al.,Fast Gradient-Echo Chemical-Shift Imaging,MAGNETIC RESONANCE IN MEDICINE,1988年,pp.340-345 |
| Markus Weiger, et al.,Rapid and robust pulmonary proton ZTE imaging in the mouse,NMR Biomed.,2014年,27,pp.1129-1134 |
| Puneet Sharma, et al.,Measurement of liver fat fraction and iron with MRI and MR spectroscopy techniques,Diagn Interv Radiol,2014年,20,pp.17-26 |
| 平田 直樹,「Gradient Echo 法の基礎」,埼玉放射線,2016年,Vol.64 No.4 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019233881A1 (en) | 2019-12-12 |
| JP2021526882A (ja) | 2021-10-11 |
| JP2023134495A (ja) | 2023-09-27 |
| CN112384819A (zh) | 2021-02-19 |
| CN112384819B (zh) | 2024-09-10 |
| US11360172B2 (en) | 2022-06-14 |
| US20210231761A1 (en) | 2021-07-29 |
| EP3579009A1 (en) | 2019-12-11 |
| EP3803426A1 (en) | 2021-04-14 |
| EP3803426B1 (en) | 2025-07-16 |
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