CN111247449B - 磁共振成像中弛豫时间的定量测量 - Google Patents
磁共振成像中弛豫时间的定量测量 Download PDFInfo
- Publication number
- CN111247449B CN111247449B CN201880067580.2A CN201880067580A CN111247449B CN 111247449 B CN111247449 B CN 111247449B CN 201880067580 A CN201880067580 A CN 201880067580A CN 111247449 B CN111247449 B CN 111247449B
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- China
- Prior art keywords
- magnetic resonance
- resonance imaging
- pulse sequence
- imaging system
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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
- G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
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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
- G01R33/54—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
- G01R33/5608—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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17196612.0 | 2017-10-16 | ||
| EP17196612.0A EP3470868A1 (en) | 2017-10-16 | 2017-10-16 | Quantitative measurement of relaxation times in magnetic resonance imaging |
| PCT/EP2018/076226 WO2019076599A1 (en) | 2017-10-16 | 2018-09-27 | QUANTITATIVE MEASUREMENT OF RELAXATION TIME IN MAGNETIC RESONANCE IMAGING |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111247449A CN111247449A (zh) | 2020-06-05 |
| CN111247449B true CN111247449B (zh) | 2023-04-11 |
Family
ID=60117584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880067580.2A Active CN111247449B (zh) | 2017-10-16 | 2018-09-27 | 磁共振成像中弛豫时间的定量测量 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11199601B2 (enExample) |
| EP (2) | EP3470868A1 (enExample) |
| JP (1) | JP7080316B6 (enExample) |
| CN (1) | CN111247449B (enExample) |
| WO (1) | WO2019076599A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075934B (zh) * | 2020-09-09 | 2021-07-23 | 清华大学 | 用于识别颈动脉斑块的磁共振单序列多参数定量成像系统 |
| EP4012437A1 (de) * | 2020-12-11 | 2022-06-15 | Siemens Healthcare GmbH | Magnetresonanztomographie mit dualer aufnahme zur störungsreduktion |
| CN114167333B (zh) * | 2021-12-06 | 2022-07-22 | 无锡鸣石峻致医疗科技有限公司 | 一种纵向弛豫时间测定方法、装置、计算机设备及存储介质 |
| CN114167331B (zh) * | 2021-12-07 | 2022-10-18 | 无锡鸣石峻致医疗科技有限公司 | 一种非均匀磁场下测量纵向弛豫时间的方法和设备 |
| CN118914947B (zh) * | 2024-07-10 | 2025-09-16 | 西南石油大学 | 一种有效拆解核磁共振弛豫时间谱的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259018A (zh) * | 2006-12-07 | 2008-09-10 | Ge医疗系统环球技术有限公司 | 磁共振成像设备和磁共振成像方法 |
| CN101415365A (zh) * | 2005-12-21 | 2009-04-22 | 皇家飞利浦电子股份有限公司 | 磁共振成像和光谱学中的运动相关数据的采集 |
| JP2010035712A (ja) * | 2008-08-01 | 2010-02-18 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
| CN104125802A (zh) * | 2012-03-05 | 2014-10-29 | 皇家飞利浦有限公司 | 使用冷却周期期间采集的磁共振数据对处置计划的修改 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246244A (ja) * | 1985-08-23 | 1987-02-28 | Shimadzu Corp | Nmrによる被検体断層のイメ−ジング法 |
| JPH10243934A (ja) * | 1997-03-07 | 1998-09-14 | Shimadzu Corp | 磁気共鳴診断装置 |
| WO2005024724A2 (en) | 2003-09-04 | 2005-03-17 | Koninklijke Philips Electronics N.V. | Locally adaptive nonlinear noise reduction |
| DE102010001145A1 (de) * | 2010-01-22 | 2011-07-28 | Siemens Aktiengesellschaft, 80333 | Verfahren und Vorrichtung zur Magnetresonanzbildgebung zum Erstellen von T1-Karten |
| CN102908143B (zh) | 2011-04-22 | 2016-04-20 | 纽约大学 | 对至少一个解剖结构成像的方法和系统 |
| GB201121404D0 (en) * | 2011-12-13 | 2012-01-25 | Isis Innovation | Diagnosis |
| GB201121406D0 (en) * | 2011-12-13 | 2012-01-25 | Isis Innovation | Systems and methods |
| EP2827763A1 (en) * | 2012-03-21 | 2015-01-28 | Koninklijke Philips N.V. | System and method for differentiation of normal myocardium from diffuse disease using t1 mapping in non-ischemic cardiomyopathies and others |
| DE102012218422B3 (de) * | 2012-10-10 | 2014-02-27 | Siemens Aktiengesellschaft | Schnelle MR-Bildaufnahme mit erhöhtem Kontrast |
| JP6430417B2 (ja) | 2013-03-13 | 2018-11-28 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | パラレルイメージング加速パラメータの自動最適化 |
| US10234528B2 (en) | 2014-09-18 | 2019-03-19 | Siemens Aktiengesellschaft | Method and apparatus to correct noise effects in quantitative techniques in magnetic resonance imaging |
| JP6758842B2 (ja) * | 2016-02-01 | 2020-09-23 | 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 |
-
2017
- 2017-10-16 EP EP17196612.0A patent/EP3470868A1/en not_active Withdrawn
-
2018
- 2018-09-27 CN CN201880067580.2A patent/CN111247449B/zh active Active
- 2018-09-27 EP EP18773463.7A patent/EP3698155B1/en active Active
- 2018-09-27 US US16/755,894 patent/US11199601B2/en active Active
- 2018-09-27 JP JP2020521365A patent/JP7080316B6/ja active Active
- 2018-09-27 WO PCT/EP2018/076226 patent/WO2019076599A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415365A (zh) * | 2005-12-21 | 2009-04-22 | 皇家飞利浦电子股份有限公司 | 磁共振成像和光谱学中的运动相关数据的采集 |
| CN101259018A (zh) * | 2006-12-07 | 2008-09-10 | Ge医疗系统环球技术有限公司 | 磁共振成像设备和磁共振成像方法 |
| JP2010035712A (ja) * | 2008-08-01 | 2010-02-18 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
| CN104125802A (zh) * | 2012-03-05 | 2014-10-29 | 皇家飞利浦有限公司 | 使用冷却周期期间采集的磁共振数据对处置计划的修改 |
Non-Patent Citations (1)
| Title |
|---|
| 植入心脏电子装置后行磁共振检查的安全性;邱雯 等;《中国心脏起搏与心电生理杂志》;20160606;第30卷(第3期);第197-199页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7080316B2 (ja) | 2022-06-03 |
| EP3698155A1 (en) | 2020-08-26 |
| EP3470868A1 (en) | 2019-04-17 |
| JP2020536690A (ja) | 2020-12-17 |
| CN111247449A (zh) | 2020-06-05 |
| US11199601B2 (en) | 2021-12-14 |
| WO2019076599A1 (en) | 2019-04-25 |
| EP3698155B1 (en) | 2023-04-12 |
| US20200256941A1 (en) | 2020-08-13 |
| JP7080316B6 (ja) | 2022-06-23 |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant |