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Simultaneous Radiofrequency (RF) Heating and Magnetic Resonance (MR) Thermal Mapping Using an
 

Summary: Simultaneous Radiofrequency (RF) Heating and Magnetic
Resonance (MR) Thermal Mapping Using an
Intravascular MR Imaging/RF Heating System
Bensheng Qiu,1
Abdel-Monem El-Sharkawy,2
Vaishali Paliwal,2
Parag Karmarkar,1
Fabao Gao,1
Ergin Atalar,1,2,3,4
and Xiaoming Yang1
*
Previous studies have confirmed the possibility of using an
intravascular MR imaging guidewire (MRIG) as a heating source
to enhance vascular gene transfection/expression. This moti-
vated us to develop a new intravascular system that can per-
form MR imaging, radiofrequncy (RF) heating, and MR temper-
ature monitoring simultaneously in an MR scanner. To validate
this concept, a series of mathematical simulations of RF power
loss along a 0.032-inch MRIG and RF energy spatial distribution
were performed to determine the optimum RF heating fre-

  

Source: Atalar, Ergin - Department of Electrical and Electronics Engineering, Bilkent University

 

Collections: Engineering; Biology and Medicine