磁共振成像设备新进展

12012¹2005.12,,,,,,,MR1,,1.10.2T3T,,0.7T,,4T7T,,,,,,1.5T,,,1.5T,3T,,,3T,,,,[]2005-07-15[]2005-09-05[],(,350025)[],,,,,,,,DICOM3.0[];;;[]R445.2[]A[]1007-7510(2005)12-0001-04ThenewdevelopmentofmagneticresonanceimagingNIPing,CAIHua(FuzhouGeneralHospitalofNanjingMilitaryRegion,FuzhouFujian350025,China)Abstract:ThedevelopmentofMRfocusesinhighperformancemagnet,twingradstechnology,phasedarraycoilandparallelimagingtechnology.ThesetechnologiesraiseSNRofimagesandshortentheimagingtime.Manynewclinicaltechnologieshavebeenopenedoutinordertosolvetheproblemswhichhavebeenfacedforalongtime,suchasarti2facts,imagingofheartandsoon.Theyalsomeettheneedsofclinicandscientificresearch.OtheradvancementsinMRItechnologyhavemadeinhighperformancecomputer,advancedatamanagementandsoon.Keywords:MRI;magnetperformance;twingrads;parallelimaging©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.¹2005.1223T1.5T,(SAR),3T,3T,,,,,;,,;,,,,,,,,,,,,,,,,1.0TInside-out,,,,RF,,,0.1mm,MR,,,,,,,,,,,,3T1.5T,4K,,,100K,,MR,,,,,,,,1.2,,,,,3040mT/m,60mT/m;200mT/m/s,,,,,,1,,,,,,,;,,,,,,,(),,,,1PNS©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.¹2005.12,,;,,,,,,,DW-EPIFRFSE,,,,,,,,,,,;,,,;,,1.3,,,,,,,,,,,,,,,,,,,,,,,,K,,K,SENSESMASH,ASSET,iPAT,,,,,,,,,,(3T),,,(),SARS,,,,,,,,,,(DSP),,,,,,,,HDMR32,,,--1-1-1,22.1,,,,MRA,,CD-ROMDVD,,,,©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.¹2005.124,,,,,[][1],,,.[M].:,1997.[2].[J].,2004,(10):67-69.[3]J.S.,A.G..[M].:,1983.[4].LabVIEW7Express[M].:,2004.(6),,PACS,DICOM3.0,MRDICOM3.0,PACS,;,,,2.2,,,,,,,GUI(graphicaluserinterface),UNIXWINDOW,CRT2.3,MR,,,MRI,MRA,MRAMIP,MRADSA,,fMRI,fMRI,,,3TPET,(X),,,CT,,,,,,,,,,21,[][1],,.3.0TMR[J].,2005,(2):38-39.[2],.[J].,2005,(6):19-20.[3]PruessmanKP,WeigerM,etal.SENSE:SensitivityencodingforfastMRI[J].MagnResonMed,1999,42(4):952-962.[4]MedinaLS,AguirreE,BernalB,AltmanNR.FunctionalimagingversusWadatestfortheevaluationoflanguagelateralization:costanalysis[J].Radiology,2004,230:49-54.[5]IbrahimT,NekollaSG,SchreiberK,etal.Assessmentofcoronaryflowreserve:comparisonbetweencontrast-enhancedmagneticresonanceimagingandpositronemissiontomography[J].JAmCollCardiol,2002,39:864-870.[6]SodicksonDK,McKenzieCA.Ageneralizedapproachtoparallelmagneticresonanceimaging[J].MedPhys,2001,28:1629-1643.©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.