| Inductively coupled rf coils for examinations of small animals and objects in standard whole-body MR scanners. | |
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MedLine Citation:
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PMID: 12852549 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Inductively coupled solenoid coils fitting to objects in the size of mice or rats were developed to adapt modem whole-body MR scanners featuring sufficient gradient strength for animal examinations with high spatial resolution. Homogenous receiver characteristics is achievable over almost the whole inner region of the solenoid coils. The SNR can be increased by a factor 2 to 6 with the adapting coils for examinations using the head coil as connected receiver. Standard sequences on clinical 1.5 T scanners can be applied with adapted transmitter voltages. For example, a SNR value of about 30 is achievable in a mouse liver after 10 minutes measuring time using a 2-D spin echo imaging sequence and a size of 0.3 x 0.3 x 0.8 mm3 for the picture elements. |
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Authors:
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Hansjörg Graf; Petros Martirosian; Fritz Schick; Marco Grieser; Matthias E Bellemann |
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Publication Detail:
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Type: Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't; Validation Studies |
Journal Detail:
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Title: Medical physics Volume: 30 ISSN: 0094-2405 ISO Abbreviation: Med Phys Publication Date: 2003 Jun |
Date Detail:
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Created Date: 2003-07-10 Completed Date: 2004-03-25 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0425746 Medline TA: Med Phys Country: United States |
Other Details:
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Languages: eng Pagination: 1241-5 Citation Subset: IM |
Affiliation:
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Section on Experimental Radiology, Department of Diagnostic Radiology, University of Tübingen, 72076 Tübingen, Germany. hansjoerg.graf@med.uni-tuebingen.de |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Computer-Aided Design* Equipment Design Equipment Failure Analysis* Magnetic Resonance Imaging / instrumentation*, methods* Magnetics / instrumentation* Mice Phantoms, Imaging Rats Transducers* Whole-Body Counting / instrumentation*, methods* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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