CN105167773A - 用于磁共振成像的方法 - Google Patents
用于磁共振成像的方法 Download PDFInfo
- Publication number
- CN105167773A CN105167773A CN201510477943.8A CN201510477943A CN105167773A CN 105167773 A CN105167773 A CN 105167773A CN 201510477943 A CN201510477943 A CN 201510477943A CN 105167773 A CN105167773 A CN 105167773A
- Authority
- CN
- China
- Prior art keywords
- magnetic resonance
- image data
- resonance image
- map
- shimming
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 104
- 238000002595 magnetic resonance imaging Methods 0.000 title abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000011218 segmentation Effects 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims description 44
- 230000008520 organization Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000013011 mating Effects 0.000 claims 2
- 238000005481 NMR spectroscopy Methods 0.000 claims 1
- 238000004364 calculation method Methods 0.000 abstract description 25
- 230000035699 permeability Effects 0.000 abstract description 23
- 210000001519 tissue Anatomy 0.000 description 22
- 238000012937 correction Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000000577 adipose tissue Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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
- G01R33/28—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
- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/243—Spatial mapping of the polarizing magnetic field
-
- 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
- G01R33/56—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
- G01R33/56536—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- High Energy & Nuclear Physics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014211354.7 | 2014-06-13 | ||
| DE102014211354.7A DE102014211354A1 (de) | 2014-06-13 | 2014-06-13 | Verfahren zur Magnetresonanz-Bildgebung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105167773A true CN105167773A (zh) | 2015-12-23 |
Family
ID=54706635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510477943.8A Pending CN105167773A (zh) | 2014-06-13 | 2015-06-12 | 用于磁共振成像的方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150362578A1 (enExample) |
| JP (1) | JP2016002464A (enExample) |
| KR (1) | KR20150143329A (enExample) |
| CN (1) | CN105167773A (enExample) |
| DE (1) | DE102014211354A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074786A (zh) * | 2019-04-30 | 2019-08-02 | 上海东软医疗科技有限公司 | 核磁共振匀场方法、装置、计算设备及核磁共振成像系统 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013216529B4 (de) * | 2013-08-21 | 2019-05-23 | Siemens Healthcare Gmbh | Verfahren insbesondere zur patientenadaptiven B0-Homogenisierung von MR-Systemen unter Verwendung unterschiedlicher Typen von Shim-Spulen |
| EP3351956B1 (de) | 2017-01-19 | 2022-03-16 | Siemens Healthcare GmbH | Verfahren zur klassifikation von mittels einer magnetresonanz- fingerprinting methode von einem untersuchungsobjekt erfassten magnetresonanz-messdaten |
| DE102017215002A1 (de) * | 2017-08-28 | 2019-02-28 | Siemens Healthcare Gmbh | Verfahren zur Aufnahme einer B0-Karte mit einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
| DE102017221830A1 (de) | 2017-12-04 | 2019-06-06 | Siemens Healthcare Gmbh | Charakterisierung eines Störkörpers innerhalb eines Untersuchungsobjektes anhand eines medizinischen Bilddatensatzes |
| EP3591418A1 (en) | 2018-07-03 | 2020-01-08 | Koninklijke Philips N.V. | Mri method for b0-mapping |
| JP7140606B2 (ja) * | 2018-08-29 | 2022-09-21 | 富士フイルムヘルスケア株式会社 | 画像処理装置、画像処理方法、画像処理プログラム及び磁気共鳴イメージング装置 |
| CN113466765B (zh) * | 2020-03-31 | 2024-12-10 | 通用电气精准医疗有限责任公司 | 磁共振扫描方法及系统、计算机可读存储介质 |
| DE102021210969A1 (de) * | 2021-09-30 | 2023-03-30 | Siemens Healthcare Gmbh | Ansteuerung eines Magnetresonanzgerätes mit Sättigung |
| EP4273569B1 (en) * | 2022-05-04 | 2025-07-02 | Siemens Healthineers AG | Method for generating a subject-specific map of a tissue property |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000037367A (ja) * | 1998-04-02 | 2000-02-08 | Picker Internatl Inc | 磁場のシミング |
| US20130102879A1 (en) * | 2010-04-14 | 2013-04-25 | Universitaetsklinikum Freiburg | Method For Correcting Susceptibility-Induced Image Artifacts In MRI After Prospective Motion Correction |
| JP5214209B2 (ja) * | 2007-10-17 | 2013-06-19 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| WO2013098060A1 (en) * | 2011-12-29 | 2013-07-04 | Koninklijke Philips Electronics N.V. | Mri with dixon-type water/fat separation and prior knowledge about inhomogeneity of the main magnetic field |
| CN103229069A (zh) * | 2010-12-02 | 2013-07-31 | 皇家飞利浦电子股份有限公司 | 使用多点狄克逊技术的mr 成像 |
| CN103238082A (zh) * | 2010-12-02 | 2013-08-07 | 皇家飞利浦电子股份有限公司 | 使用多点Dixon技术和低分辨率校准的MR成像 |
| WO2013118040A1 (en) * | 2012-02-09 | 2013-08-15 | Koninklijke Philips N.V. | Mri with motion correction using navigators acquired using a dixon technique |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4991704B2 (ja) * | 2006-03-31 | 2012-08-01 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び方法 |
| JP5917077B2 (ja) * | 2011-10-13 | 2016-05-11 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| DE102015200695B4 (de) * | 2015-01-19 | 2016-08-18 | Siemens Healthcare Gmbh | Generieren von Steuerinformationen für eine Magnetresonanz-Bildgebung unter Verwendung mehrerer Frequenzspektren von verschiedenen Spulenelementen |
| DE102015204953B3 (de) * | 2015-03-19 | 2016-08-11 | Siemens Healthcare Gmbh | Verfahren zur Magnetresonanz-Bildgebung |
| DE102015204955B4 (de) * | 2015-03-19 | 2019-05-16 | Siemens Healthcare Gmbh | Verfahren zur Magnetresonanz-Bildgebung |
-
2014
- 2014-06-13 DE DE102014211354.7A patent/DE102014211354A1/de not_active Ceased
-
2015
- 2015-06-09 JP JP2015116786A patent/JP2016002464A/ja active Pending
- 2015-06-10 KR KR1020150081703A patent/KR20150143329A/ko not_active Ceased
- 2015-06-12 CN CN201510477943.8A patent/CN105167773A/zh active Pending
- 2015-06-13 US US14/738,884 patent/US20150362578A1/en not_active Abandoned
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000037367A (ja) * | 1998-04-02 | 2000-02-08 | Picker Internatl Inc | 磁場のシミング |
| JP5214209B2 (ja) * | 2007-10-17 | 2013-06-19 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US20130102879A1 (en) * | 2010-04-14 | 2013-04-25 | Universitaetsklinikum Freiburg | Method For Correcting Susceptibility-Induced Image Artifacts In MRI After Prospective Motion Correction |
| CN103229069A (zh) * | 2010-12-02 | 2013-07-31 | 皇家飞利浦电子股份有限公司 | 使用多点狄克逊技术的mr 成像 |
| CN103238082A (zh) * | 2010-12-02 | 2013-08-07 | 皇家飞利浦电子股份有限公司 | 使用多点Dixon技术和低分辨率校准的MR成像 |
| WO2013098060A1 (en) * | 2011-12-29 | 2013-07-04 | Koninklijke Philips Electronics N.V. | Mri with dixon-type water/fat separation and prior knowledge about inhomogeneity of the main magnetic field |
| WO2013118040A1 (en) * | 2012-02-09 | 2013-08-15 | Koninklijke Philips N.V. | Mri with motion correction using navigators acquired using a dixon technique |
Non-Patent Citations (1)
| Title |
|---|
| RARES SALOMIR等: "A Fast Calculation Method for Magnetic Field Inhomogeneity due to an Arbitrary Distribution of Bulk Susceptibility", 《CONCEPTS IN MAGNETIC RESONANCE PART B:MAGNETIC RESONANCE ENGINEERING》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074786A (zh) * | 2019-04-30 | 2019-08-02 | 上海东软医疗科技有限公司 | 核磁共振匀场方法、装置、计算设备及核磁共振成像系统 |
| CN110074786B (zh) * | 2019-04-30 | 2022-12-06 | 上海东软医疗科技有限公司 | 核磁共振匀场方法、装置、计算设备及核磁共振成像系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150362578A1 (en) | 2015-12-17 |
| DE102014211354A1 (de) | 2015-12-17 |
| JP2016002464A (ja) | 2016-01-12 |
| KR20150143329A (ko) | 2015-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |