Abstract #1322
An eight-channel transmit/receive phased-array head coil with an ICE decoupling method at 7T
Xinqiang Yan 1,2 , Xiaoliang Zhang 3,4 , Chuangxin Ma 2 , Long Wei 2 , and Rong Xue 1
1
State Key Laboratory of Brain and Cognitive
Science, Beijing MRI Center for Brain Research,
Insititute of Biophysics, Chinese Academy of Sciences,
Beijing, Beijing, China,
2
Key Laboratory of
Nuclear Analysis Techniques, Institute of High Energy
Physics, Chinese Academy of Sciences, Beijing, Beijing,
China,
3
Department
of Radiology and Biomedical Imaging, University of
California San Francisco, San Francisco, California,
United States,
4
UCSF/UC
Berkeley Joint Graduate Group in Bioengineering, San
Francisco, California, United States
In this work, an eight-channel transmit/receive loop
array with induced current elimination (ICE) decoupling
method was built and investigated to demonstrate its
feasibility and robustness for human head imaging at 7T.
This array has been validated through bench tests and
in-vivo human head MR imaging experiments. Isolation
between the adjacent loop elements is better than -25dB
by employing this new design. The ICE-decoupled array
also shows excellent parallel imaging capability that
the average g-factor of human head in the sagittal plane
was as low as 1.14 when acceleration factor achieves 4.
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