Decoupling of multi-channel RF coil and its application in the intraoperative MRi
Xin, X.; Han, J.; Feng, Y.; Chen, W.
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi 28(2): 223-227
2011
ISSN/ISBN: 1001-5515 PMID: 21604473 Document Number: 649471
The coupling from different elements of the multi-channel coil leads to the splitting of the resonance frequency and deviation from the Lamor frequency. Decoupling between different elements is the key technology in the design of the radiofrequency (RF) coil. The electrical decoupling circuits should vary with different arrangements of the elements. A novel method of decoupling for the RF coil used in the intraoperative MR-guided focused ultrasound system is reported in the paper. The prototype RF coil was made according to the proposed decoupling method. The bench test of the prototype showed that the performance of the decoupling of the coil was excellent. The images in vivo were acquired with the designed prototype RF coil.