KR101625718B1 - 자기 공명 장치를 이용한 영상 획득 방법 및 자기 공명 장치 - Google Patents
자기 공명 장치를 이용한 영상 획득 방법 및 자기 공명 장치 Download PDFInfo
- Publication number
- KR101625718B1 KR101625718B1 KR1020130119427A KR20130119427A KR101625718B1 KR 101625718 B1 KR101625718 B1 KR 101625718B1 KR 1020130119427 A KR1020130119427 A KR 1020130119427A KR 20130119427 A KR20130119427 A KR 20130119427A KR 101625718 B1 KR101625718 B1 KR 101625718B1
- Authority
- KR
- South Korea
- Prior art keywords
- space
- center
- pulse
- magnetic resonance
- contrast
- 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.)
- Expired - Fee Related
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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
- G01R33/4828—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
- G01R33/4816—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
- G01R33/54—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
- G01R33/5602—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by filtering or weighting based on different relaxation times within the sample, e.g. T1 weighting using an inversion pulse
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
-
- 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
- G01R33/4818—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
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012218422.8 | 2012-10-10 | ||
| DE201210218422 DE102012218422B3 (de) | 2012-10-10 | 2012-10-10 | Schnelle MR-Bildaufnahme mit erhöhtem Kontrast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20140046378A KR20140046378A (ko) | 2014-04-18 |
| KR101625718B1 true KR101625718B1 (ko) | 2016-05-30 |
Family
ID=50069820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020130119427A Expired - Fee Related KR101625718B1 (ko) | 2012-10-10 | 2013-10-07 | 자기 공명 장치를 이용한 영상 획득 방법 및 자기 공명 장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9395429B2 (enExample) |
| JP (1) | JP6199148B2 (enExample) |
| KR (1) | KR101625718B1 (enExample) |
| CN (1) | CN103728580B (enExample) |
| DE (1) | DE102012218422B3 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011083871B4 (de) * | 2011-09-30 | 2013-06-13 | Siemens Aktiengesellschaft | Anpassung der Grundfrequenz eines HF-Anregungspulses bei der nicht-selektiven Anregung von Kernspinsignalen in einem Untersuchungsobjekt |
| DE102011086369B4 (de) * | 2011-11-15 | 2022-08-11 | Siemens Healthcare Gmbh | Verfahren zur Erstellung von MR-Angiographiebildern und entsprechende Magnetresonanzanlage |
| DE102012218422B3 (de) * | 2012-10-10 | 2014-02-27 | Siemens Aktiengesellschaft | Schnelle MR-Bildaufnahme mit erhöhtem Kontrast |
| DE102012218424B3 (de) * | 2012-10-10 | 2014-03-20 | Siemens Aktiengesellschaft | Schnelle MR-Bildaufnahme mit optimiertem Signal-Rausch-Verhältnis und/oder Kontrast |
| US10670684B2 (en) * | 2016-01-06 | 2020-06-02 | Siemens Healthcare Gmbh | Free-breathing non-contrast MR angiography |
| US10488484B2 (en) * | 2016-01-28 | 2019-11-26 | Canon Medical Systems Corporation | Magnetic resonance imaging method |
| US20180164395A1 (en) * | 2016-12-12 | 2018-06-14 | Siemens Healthcare Gmbh | Method and apparatus for accelerated magnetic resonance imaging |
| JP6831755B2 (ja) * | 2017-06-14 | 2021-02-17 | 株式会社日立製作所 | 磁気共鳴イメージング装置及び磁気共鳴イメージング装置の制御方法 |
| EP3470868A1 (en) * | 2017-10-16 | 2019-04-17 | Koninklijke Philips N.V. | Quantitative measurement of relaxation times in magnetic resonance imaging |
| DE102017222359B4 (de) | 2017-12-11 | 2021-01-28 | Siemens Healthcare Gmbh | Automatische Bestimmung von Korrekturfaktoren für eine Magnetresonanzanlage |
| DE102018205075A1 (de) * | 2018-04-04 | 2019-10-10 | Siemens Healthcare Gmbh | Messsignalgewinnung bei spinechobasierter Bildgebung |
| WO2020031110A1 (en) * | 2018-08-07 | 2020-02-13 | Indian Institute Of Science | A data acquisition system and a method of acquiring data for reconstruction of mri images |
| CN109620228B (zh) * | 2018-12-20 | 2023-01-03 | 上海联影医疗科技股份有限公司 | 磁共振成像中脂肪零点偏差校正方法及磁共振成像方法 |
| CN112946546B (zh) * | 2019-12-10 | 2023-10-27 | 西门子(深圳)磁共振有限公司 | 短t2组织的成像方法、系统及磁共振成像系统 |
| CN111157932B (zh) * | 2020-01-02 | 2022-08-30 | 华东师范大学 | 一种快速自旋回波脉冲序列中射频脉冲的优化方法 |
| CN111257809B (zh) * | 2020-01-23 | 2022-05-17 | 上海东软医疗科技有限公司 | 磁共振成像方法、装置、存储介质及医疗设备 |
| US11598834B2 (en) * | 2021-07-02 | 2023-03-07 | Canon Medical Systems Corporation | Magnetic resonance imaging apparatus |
| WO2025030149A1 (en) * | 2023-08-03 | 2025-02-06 | O2M Technologies, Llc | Pulse sequence for resonance-based tissue analysis |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100117644A1 (en) | 2008-11-07 | 2010-05-13 | General Electric Company | Method and apparatus for acquiring magnetic resonance imaging data for dynamic studies |
| US20120074938A1 (en) | 2010-09-27 | 2012-03-29 | David Grodzki | Magnetic resonance method and system to generate an image data set |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001073462A1 (en) * | 2000-03-27 | 2001-10-04 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging method for imaging time-dependent contrast |
| DE10063676B4 (de) | 2000-12-20 | 2006-08-17 | Siemens Ag | Multiecho-Bildgebungsverfahren |
| DE10337932B4 (de) * | 2003-08-18 | 2009-02-05 | Siemens Ag | Gerät und Verfahren zur Minimierung von Streifenartefakten bei radialer oder spiralförmiger k-Raum-Abtastung in der Magnetresonanzbildgebung |
| DE102004022061A1 (de) | 2004-05-05 | 2005-12-08 | Siemens Ag | Verfahren zur verbesserten interventionallen Bildgebung in der Magnet-Resonanz-Tomographie |
| US7622922B2 (en) * | 2005-02-11 | 2009-11-24 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging with short echo times |
| WO2008111416A1 (ja) * | 2007-03-09 | 2008-09-18 | Hitachi Medical Corporation | 磁気共鳴イメージング装置および磁気共鳴イメージング方法 |
| WO2010056749A1 (en) * | 2008-11-12 | 2010-05-20 | Jang-Yeon Park | Short te 3d radial sampling sequence for mri |
| DE102010010196B4 (de) * | 2010-03-04 | 2013-01-03 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Erstellung eines MR-Bilddatensatzes mit ultrakurzer Echozeit, Computerprogrammprodukt und Datenträger |
| DE102010041801B4 (de) * | 2010-09-30 | 2012-09-20 | Siemens Aktiengesellschaft | MR-Einzelpunkt-Bildgebung mit verkürzter Echozeit |
| DE102012218422B3 (de) * | 2012-10-10 | 2014-02-27 | Siemens Aktiengesellschaft | Schnelle MR-Bildaufnahme mit erhöhtem Kontrast |
-
2012
- 2012-10-10 DE DE201210218422 patent/DE102012218422B3/de not_active Expired - Fee Related
-
2013
- 2013-09-25 CN CN201310446752.6A patent/CN103728580B/zh active Active
- 2013-10-03 JP JP2013208471A patent/JP6199148B2/ja active Active
- 2013-10-07 KR KR1020130119427A patent/KR101625718B1/ko not_active Expired - Fee Related
- 2013-10-10 US US14/050,613 patent/US9395429B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100117644A1 (en) | 2008-11-07 | 2010-05-13 | General Electric Company | Method and apparatus for acquiring magnetic resonance imaging data for dynamic studies |
| US20120074938A1 (en) | 2010-09-27 | 2012-03-29 | David Grodzki | Magnetic resonance method and system to generate an image data set |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140103928A1 (en) | 2014-04-17 |
| KR20140046378A (ko) | 2014-04-18 |
| JP2014076359A (ja) | 2014-05-01 |
| DE102012218422B3 (de) | 2014-02-27 |
| CN103728580B (zh) | 2017-08-18 |
| US9395429B2 (en) | 2016-07-19 |
| CN103728580A (zh) | 2014-04-16 |
| JP6199148B2 (ja) | 2017-09-20 |
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