Keywords: RF Arrays & Systems, Parallel Transmit & Multiband, adaptive Coil
Motivation: Enhancing MRI imaging at 7T requires overcoming B1+ field homogeneity challenges. Multichannel transmit arrays aim to address these issues for improved imaging quality.
Goal(s): Develop a size-adaptive 16-channel transceiver for precise head size customization at 7T, optimizing imaging quality and safety while maintaining SAR efficiency.
Approach: Utilize 3D-CAD design, simulation, and bench testing to evaluate the performance of the adaptive coil's segmented structure and adjustable components.
Results: The proposed 16-channel adaptive coil shows superior transmission efficiency and stable SAR performance, highlighting its potential for enhancing MRI imaging at 7T.
Impact: The novel 16-channel size-adaptive transceiver array for 7T enhances transmission efficiency with maintaining consistent SAR performance. Its four-segment design, featuring three adjustable segments (two lateral and one anterior), ensures precise head size customization with superior parallel imaging and safety.
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