JPWO2020225291A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2020225291A5 JPWO2020225291A5 JP2021565737A JP2021565737A JPWO2020225291A5 JP WO2020225291 A5 JPWO2020225291 A5 JP WO2020225291A5 JP 2021565737 A JP2021565737 A JP 2021565737A JP 2021565737 A JP2021565737 A JP 2021565737A JP WO2020225291 A5 JPWO2020225291 A5 JP WO2020225291A5
- Authority
- JP
- Japan
- Prior art keywords
- echo
- diffusion
- signal
- free induction
- induction decay
- 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.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 claims description 72
- 238000003384 imaging method Methods 0.000 claims description 64
- 230000006698 induction Effects 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 40
- 230000002441 reversible effect Effects 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 9
- 238000009795 derivation Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- 238000002597 diffusion-weighted imaging Methods 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 14
- 230000005415 magnetization Effects 0.000 description 12
- 210000004556 brain Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000003325 tomography Methods 0.000 description 6
- 210000001519 tissue Anatomy 0.000 description 5
- 210000000845 cartilage Anatomy 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 3
- 238000002595 magnetic resonance imaging Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 208000018737 Parkinson disease Diseases 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000002610 neuroimaging Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19173509.1A EP3736593A1 (en) | 2019-05-09 | 2019-05-09 | Dual echo steady state mr imaging using bipolar diffusion gradients |
| EP19173509.1 | 2019-05-09 | ||
| PCT/EP2020/062552 WO2020225291A1 (en) | 2019-05-09 | 2020-05-06 | Dual echo steady state mr imaging using bipolar diffusion gradients |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| JP2022522240A JP2022522240A (ja) | 2022-04-14 |
| JP2022522240A5 JP2022522240A5 (https=) | 2022-11-22 |
| JPWO2020225291A5 true JPWO2020225291A5 (https=) | 2022-11-22 |
| JP7359870B2 JP7359870B2 (ja) | 2023-10-11 |
Family
ID=66476490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021565737A Active JP7359870B2 (ja) | 2019-05-09 | 2020-05-06 | バイポーラ拡散傾斜を用いたデュアルエコー定常状態mrイメージング |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11815582B2 (https=) |
| EP (2) | EP3736593A1 (https=) |
| JP (1) | JP7359870B2 (https=) |
| CN (1) | CN113795765B (https=) |
| WO (1) | WO2020225291A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973823B (zh) * | 2023-09-25 | 2024-01-09 | 之江实验室 | 基于全稳态平衡进动的线扫描磁共振成像方法和系统 |
| DE102024207452A1 (de) | 2024-08-06 | 2026-02-12 | Siemens Healthineers Ag | Computerimplementiertes Verfahren zur Aufnahme von Magnetresonanzdaten mit einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10250922B4 (de) * | 2002-10-31 | 2008-01-31 | Siemens Ag | Verfahren zur Ermittlung des ADC-Koeffizienten in der Diffusionsgewichteten Magnetresonanz-Bildgebung bei Verwendung von Steady-State-Sequenzen |
| WO2010035569A1 (ja) * | 2008-09-25 | 2010-04-01 | 株式会社 日立メディコ | 磁気共鳴イメージング装置 |
| US8508225B2 (en) * | 2010-11-10 | 2013-08-13 | The Board Of Trustees Of The Leland Stanford Junior University | T2-weighted and diffusion-weighted imaging using fast acquisition with double echo (FADE) |
| US8497680B2 (en) * | 2011-03-24 | 2013-07-30 | University Hospital Of Basel | Magnetic resonance method for quantification of molecular diffusion using double echo steady state sequences |
| RU2616984C2 (ru) * | 2011-10-18 | 2017-04-19 | Конинклейке Филипс Н.В. | Магнитно-резонансная (mr) томография электрических свойств |
| BR112014015398A8 (pt) * | 2011-12-23 | 2017-07-04 | Koninklijke Philips Nv | método de obtenção de imagem por mr de um corpo colocado no volume de exame de um dispositivo mr, dispositivo de mr para realizar o método e programa de computador a ser executado em um dispositivo de mr |
| DE102013201616B3 (de) * | 2013-01-31 | 2014-07-17 | Siemens Aktiengesellschaft | TSE-basierte, gegen lokale B0-Feldvariationen unempfindliche MR-Mulitschicht-Anregung |
| CN107153169B (zh) * | 2017-07-04 | 2020-03-27 | 南京拓谱医疗科技有限公司 | 一种稳态进动梯度多回波水脂分离成像方法 |
| EP3754357A1 (en) * | 2019-06-20 | 2020-12-23 | Koninklijke Philips N.V. | Magnetic resonance electric properties tomography without contrast agent |
-
2019
- 2019-05-09 EP EP19173509.1A patent/EP3736593A1/en not_active Withdrawn
-
2020
- 2020-05-06 CN CN202080034607.5A patent/CN113795765B/zh active Active
- 2020-05-06 US US17/609,422 patent/US11815582B2/en active Active
- 2020-05-06 WO PCT/EP2020/062552 patent/WO2020225291A1/en not_active Ceased
- 2020-05-06 JP JP2021565737A patent/JP7359870B2/ja active Active
- 2020-05-06 EP EP20722361.1A patent/EP3966583B1/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10107882B2 (en) | Parallel MRi with B0 distortion correction and multi-echo dixon water-fat separation using regularised sense reconstruction | |
| US9977106B2 (en) | MR imaging with B1 mapping | |
| US7298143B2 (en) | Reduction of susceptibility artifacts in subencoded single-shot magnetic resonance imaging | |
| CN104204839B (zh) | 使用apt对比增强和多回波时间采样的mr成像 | |
| US9983284B2 (en) | MRI with dixon-type water/fat separation and prior knowledge about inhomogeneity of the main magnetic field | |
| US10823806B2 (en) | Magnetic resonance imaging using dataset undersampling | |
| CN104067137B (zh) | 具有对流动伪影的抑制的mr成像 | |
| JP2022169618A (ja) | ディクソン法による水/脂肪分離を用いたmr撮像 | |
| JP2023109791A (ja) | 並列マルチスライスmr撮像 | |
| CN111758041A (zh) | 使用多梯度回波序列进行的Dixon MR成像 | |
| CN105531597A (zh) | 耐金属的mr成像 | |
| US20220057467A1 (en) | Epi mr imaging with distortion correction | |
| US10955506B2 (en) | Parallel MR imaging with spectral fat suppression | |
| CN109983358B (zh) | Propeller mr成像 | |
| JP7359870B2 (ja) | バイポーラ拡散傾斜を用いたデュアルエコー定常状態mrイメージング | |
| JP7559763B2 (ja) | ウェーブ符号化を用いたパラレルmrイメージング | |
| WO2018001759A1 (en) | Diffusion weighted mr imaging using multi-shot epi with motion detection and modified sense reconstruction | |
| US20230366962A1 (en) | Dixon-type water/fat separation mr imaging | |
| JPWO2020225291A5 (https=) | ||
| 정진희 | Multi-contrast imaging: a Novel Pulse Sequence for Simultaneous Acquisition of Proton Density, T1-Weighted, T2-Weighted and FLAIR Images |