JP4477322B2 - ズームmr画像を再構成するためのrfコイル・アセンブリおよびmri装置 - Google Patents
ズームmr画像を再構成するためのrfコイル・アセンブリおよびmri装置 Download PDFInfo
- Publication number
- JP4477322B2 JP4477322B2 JP2003272638A JP2003272638A JP4477322B2 JP 4477322 B2 JP4477322 B2 JP 4477322B2 JP 2003272638 A JP2003272638 A JP 2003272638A JP 2003272638 A JP2003272638 A JP 2003272638A JP 4477322 B2 JP4477322 B2 JP 4477322B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- roi
- coil assembly
- elements
- coil
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 71
- 238000013480 data collection Methods 0.000 claims description 27
- 238000012546 transfer Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 description 33
- 238000002595 magnetic resonance imaging Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 6
- 239000003550 marker Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
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
- G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
-
- 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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/064,406 US6597173B1 (en) | 2002-07-10 | 2002-07-10 | Method and apparatus for reconstructing zoom MR images |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004033774A JP2004033774A (ja) | 2004-02-05 |
| JP2004033774A5 JP2004033774A5 (cg-RX-API-DMAC10.html) | 2006-08-24 |
| JP4477322B2 true JP4477322B2 (ja) | 2010-06-09 |
Family
ID=22055758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003272638A Expired - Fee Related JP4477322B2 (ja) | 2002-07-10 | 2003-07-10 | ズームmr画像を再構成するためのrfコイル・アセンブリおよびmri装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6597173B1 (cg-RX-API-DMAC10.html) |
| EP (1) | EP1380850A3 (cg-RX-API-DMAC10.html) |
| JP (1) | JP4477322B2 (cg-RX-API-DMAC10.html) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6900635B1 (en) * | 2001-06-08 | 2005-05-31 | General Electric Company | Head RF quadrature coil array for parallel imaging |
| DE10161925B4 (de) * | 2001-12-17 | 2005-08-18 | Siemens Ag | Verfahren zum Aufnehmen von Magnetresonanzsignalen eines Objekts mittels einer Magnetresonanzanlage und Rekonstruieren eines Bildes anhand der aufgenommenen Magnetresonanzsignale, sowie Computerprogrammprodukt und Magnetresonanzanlage |
| US7296239B2 (en) * | 2002-03-04 | 2007-11-13 | Siemens Corporate Research, Inc. | System GUI for identification and synchronized display of object-correspondence in CT volume image sets |
| CN100416294C (zh) * | 2002-06-21 | 2008-09-03 | 皇家飞利浦电子股份有限公司 | 磁共振成像设备及方法 |
| US7109710B2 (en) * | 2003-10-17 | 2006-09-19 | General Electric Company | Method and apparatus to improve signal-to-noise ratio without compromising field-of-view for simultaneous MR data acquisition by an array of RF coils of an MR scanner |
| DE102004026616B4 (de) * | 2004-06-01 | 2007-09-20 | Siemens Ag | Verfahren zum Messen eines Untersuchungsbereichs mit einem Magnetresonanzgerät |
| JP4891539B2 (ja) * | 2004-11-16 | 2012-03-07 | 株式会社東芝 | 高周波コイルアセンブリ及び磁気共鳴撮像装置 |
| US7394253B2 (en) * | 2004-11-16 | 2008-07-01 | Kabushiki Kaisha Toshiba | Radio frequency coil assembly and magnetic resonance imaging apparatus |
| JP2006175058A (ja) * | 2004-12-22 | 2006-07-06 | Ge Medical Systems Global Technology Co Llc | コイルエレメント選択方法および磁気共鳴イメージング装置 |
| US7576536B2 (en) * | 2005-05-06 | 2009-08-18 | Invivo Corporation | MRI method and apparatus for adaptive channel reduction in parallel imaging |
| DE102005022549A1 (de) * | 2005-05-17 | 2006-11-30 | Siemens Ag | Magnetresonanzeinrichtung |
| US7525313B2 (en) * | 2007-05-04 | 2009-04-28 | General Electric Company | System and method for multi-channel MR transmission |
| US8502535B2 (en) * | 2008-03-14 | 2013-08-06 | Koninklijke Philips N.V. | Coil selection for parallel magnetic resonance imaging |
| DE102010025479B4 (de) * | 2010-06-29 | 2014-02-13 | Siemens Aktiengesellschaft | MRT-Lokal-Spule |
| EP2591376B1 (en) * | 2010-07-08 | 2020-12-23 | Koninklijke Philips N.V. | Router and coil array for ultra high field mri |
| DE102013206325A1 (de) * | 2013-04-10 | 2014-10-16 | Siemens Aktiengesellschaft | Magnetresonanzanlage mit gruppenweiser Ansteuerung von Sendeantennen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997026548A1 (en) * | 1996-01-19 | 1997-07-24 | Philips Electronics N.V. | Combination circuit for an rf measuring coil system for detection of magnetic resonance signals |
| US20010045832A1 (en) | 1997-11-26 | 2001-11-29 | Kenneth W. Belt | Peripheral vascular array |
| US6356081B1 (en) * | 1998-11-25 | 2002-03-12 | Medrad, Inc. | Multimode operation of quadrature phased array MR coil systems |
| DE19904537C1 (de) | 1999-02-04 | 2000-09-07 | Siemens Ag | Verfahren zum Betrieb eines diagnostischen Magnetresonanzgerätes |
-
2002
- 2002-07-10 US US10/064,406 patent/US6597173B1/en not_active Expired - Lifetime
-
2003
- 2003-07-10 JP JP2003272638A patent/JP4477322B2/ja not_active Expired - Fee Related
- 2003-07-10 EP EP03254371A patent/EP1380850A3/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP1380850A2 (en) | 2004-01-14 |
| EP1380850A3 (en) | 2005-07-20 |
| JP2004033774A (ja) | 2004-02-05 |
| US6597173B1 (en) | 2003-07-22 |
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