JP2001187040A - 磁気共鳴イメージング・システムにおける磁石の振動により生ずる画像アーティファクトを減少させる方法及び装置 - Google Patents
磁気共鳴イメージング・システムにおける磁石の振動により生ずる画像アーティファクトを減少させる方法及び装置Info
- Publication number
- JP2001187040A JP2001187040A JP2000346012A JP2000346012A JP2001187040A JP 2001187040 A JP2001187040 A JP 2001187040A JP 2000346012 A JP2000346012 A JP 2000346012A JP 2000346012 A JP2000346012 A JP 2000346012A JP 2001187040 A JP2001187040 A JP 2001187040A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- space data
- spatially
- vibration
- error
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000002595 magnetic resonance imaging Methods 0.000 title claims 2
- 238000006073 displacement reaction Methods 0.000 claims abstract description 26
- 238000003384 imaging method Methods 0.000 claims abstract description 22
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 74
- 238000012937 correction Methods 0.000 claims description 24
- 238000004364 calculation method Methods 0.000 claims description 20
- 238000004422 calculation algorithm Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000009897 systematic effect Effects 0.000 abstract description 17
- 238000011002 quantification Methods 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 description 12
- 230000010355 oscillation Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000005284 excitation Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000002592 echocardiography Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- NRNCYVBFPDDJNE-UHFFFAOYSA-N pemoline Chemical compound O1C(N)=NC(=O)C1C1=CC=CC=C1 NRNCYVBFPDDJNE-UHFFFAOYSA-N 0.000 description 1
- 230000003094 perturbing effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- G01R33/54—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
- G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16552399P | 1999-11-15 | 1999-11-15 | |
| US60/165523 | 1999-11-15 | ||
| US09/469864 | 1999-11-15 | ||
| US09/469,864 US6380738B1 (en) | 1999-11-15 | 1999-12-22 | Method and apparatus for reducing image artifacts caused by magnet vibration in an MR imaging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001187040A true JP2001187040A (ja) | 2001-07-10 |
| JP2001187040A5 JP2001187040A5 (enExample) | 2007-12-27 |
Family
ID=26861460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000346012A Withdrawn JP2001187040A (ja) | 1999-11-15 | 2000-11-14 | 磁気共鳴イメージング・システムにおける磁石の振動により生ずる画像アーティファクトを減少させる方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6380738B1 (enExample) |
| EP (1) | EP1102082B1 (enExample) |
| JP (1) | JP2001187040A (enExample) |
| KR (1) | KR100747934B1 (enExample) |
| DE (1) | DE60038427T2 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026382A1 (ja) * | 2010-08-26 | 2012-03-01 | 株式会社 日立メディコ | 磁気共鳴イメージング装置及び振動誤差磁場低減方法 |
| JP2017023582A (ja) * | 2015-07-27 | 2017-02-02 | 東芝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及び磁気共鳴イメージング装置のアーティファクト抑制方法 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10221640B4 (de) * | 2002-05-15 | 2007-06-21 | Siemens Ag | Verfahren zur Vibrationskompensation bei Kernspintomographen |
| US7019524B2 (en) * | 2002-05-17 | 2006-03-28 | Ge Medical Systems Global Technology Company, Llc | Method, system and computer product for k-space correction of gradient non-linearities |
| US6750651B2 (en) * | 2002-07-03 | 2004-06-15 | The Board Of Trustees Of The Leland Stanford Junior University | Fat suppression in MRI using oscillating steady-state free precession |
| US6914428B2 (en) * | 2002-08-15 | 2005-07-05 | General Electric Company | Magnetic resonance imaging systems and methods for acquiring multi-slice gradient echo images |
| US7372265B2 (en) * | 2003-02-05 | 2008-05-13 | Koninklijke Philips Electronics N.V. | Compensation of magnetic field disturbances due to vibrations in an MRI system |
| US7112965B2 (en) * | 2004-04-30 | 2006-09-26 | University Of Basel | Low-impact noise acquisition magnetic resonance imaging |
| DE102005022549A1 (de) * | 2005-05-17 | 2006-11-30 | Siemens Ag | Magnetresonanzeinrichtung |
| US7239140B1 (en) * | 2005-12-21 | 2007-07-03 | General Electric Company | Method and apparatus for vibration-related artifact reduction |
| DE102011088553B4 (de) * | 2011-12-14 | 2013-11-28 | Siemens Aktiengesellschaft | Korrektur einer zeitlichen Abweichung von k-Raum-Punkten bei MRI-Verfahren |
| DE102013218432A1 (de) * | 2013-09-13 | 2015-03-19 | Siemens Aktiengesellschaft | Medizinische Bildgebungsvorrichtung sowie ein Verfahren zu einem Bestimmen einer Position und/oder einer Bewegung eines Patienten während einer medizinischen Bildgebungsuntersuchung |
| CN112040843B (zh) * | 2018-06-25 | 2024-06-04 | 三星电子株式会社 | 重建磁共振图像的方法和装置 |
| GB2578457B (en) * | 2018-10-29 | 2021-01-13 | Siemens Healthcare Ltd | Anomaly detection and correlation system. |
| WO2022235281A1 (en) * | 2021-05-07 | 2022-11-10 | Halliburton Energy Services, Inc. | Correction of nuclear magnetic resonance data in high vibration environments |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4698591A (en) | 1986-01-03 | 1987-10-06 | General Electric Company | Method for magnetic field gradient eddy current compensation |
| JPH01141656A (ja) * | 1987-11-30 | 1989-06-02 | Yokogawa Medical Syst Ltd | Ｎｍｒイメージング装置の磁場ドリフト補正方法 |
| US4885542A (en) * | 1988-04-14 | 1989-12-05 | The Regents Of The University Of California | MRI compensated for spurious NMR frequency/phase shifts caused by spurious changes in magnetic fields during NMR data measurement processes |
| US5151656A (en) | 1990-12-11 | 1992-09-29 | General Electric Company | Correction of nmr data acquired by an echo-planar technique |
| DE69326202T2 (de) * | 1992-06-29 | 2000-04-13 | Koninklijke Philips Electronics N.V., Eindhoven | Verfahren und Gerät zur Kernresonanzabbildung |
| US5869965A (en) | 1997-02-07 | 1999-02-09 | General Electric Company | Correction of artifacts caused by Maxwell terms in MR echo-planar images |
| US5864233A (en) | 1997-02-22 | 1999-01-26 | General Electric Company | Method to reduce eddy current effects in diffusion-weighted echo planar imaging |
| US5923168A (en) | 1997-06-17 | 1999-07-13 | General Electric Company | Correction of artifacts caused by Maxwell terms in slice offset echo planar imaging |
| DE60035758T2 (de) * | 1999-11-15 | 2008-04-30 | General Electric Co. | Verfahren und Gerät zur Kompensation von Bildartefakten, die durch Vibration des Magneten in einem System der bildgebenden magnetischen Resonanz verursacht werden |
-
1999
- 1999-12-22 US US09/469,864 patent/US6380738B1/en not_active Expired - Fee Related
-
2000
- 2000-11-14 JP JP2000346012A patent/JP2001187040A/ja not_active Withdrawn
- 2000-11-14 KR KR1020000067444A patent/KR100747934B1/ko not_active Expired - Fee Related
- 2000-11-15 EP EP00310130A patent/EP1102082B1/en not_active Expired - Lifetime
- 2000-11-15 DE DE60038427T patent/DE60038427T2/de not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026382A1 (ja) * | 2010-08-26 | 2012-03-01 | 株式会社 日立メディコ | 磁気共鳴イメージング装置及び振動誤差磁場低減方法 |
| US9453897B2 (en) | 2010-08-26 | 2016-09-27 | Hitachi Medical Corporation | Magnetic resonance imaging apparatus and vibrational error magnetic field reduction method |
| JP6038654B2 (ja) * | 2010-08-26 | 2016-12-07 | 株式会社日立製作所 | 磁気共鳴イメージング装置及び振動誤差磁場低減方法 |
| JP2017023582A (ja) * | 2015-07-27 | 2017-02-02 | 東芝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及び磁気共鳴イメージング装置のアーティファクト抑制方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6380738B1 (en) | 2002-04-30 |
| KR100747934B1 (ko) | 2007-08-08 |
| EP1102082A3 (en) | 2003-10-15 |
| EP1102082B1 (en) | 2008-03-26 |
| EP1102082A2 (en) | 2001-05-23 |
| DE60038427D1 (de) | 2008-05-08 |
| KR20010060323A (ko) | 2001-07-06 |
| DE60038427T2 (de) | 2009-04-16 |
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Legal Events
| Date | Code | Title | Description |
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| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071112 |
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| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071112 |
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| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20090326 |