发明名称 |
Apparatus and method for decoupling MRI RF coil from selected body portions using passive components |
摘要 |
In an MRI system, a passive conductive RF decoupling structure is disposed about a portion of the volume to be imaged but at a location which is proximate a sub-volume from which MRI RF responses are to suppressed. The passive decoupling structure may be a sheet of conductive material or a shorted loop of conductive material (preferably having a gap in conductivity bridged by RF bypass capacitance so as to suppress lower frequency eddy currents otherwise caused by changing magnetic gradient fields in the MRI system).
|
申请公布号 |
US4703272(A) |
申请公布日期 |
1987.10.27 |
申请号 |
US19860901596 |
申请日期 |
1986.08.29 |
申请人 |
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA |
发明人 |
ARAKAWA, MITSUAKI |
分类号 |
A61B5/055;G01R33/32;G01R33/36;(IPC1-7):G01R33/20 |
主分类号 |
A61B5/055 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|