Decoupling a prosthetic hip implant from a parallel transmit array using different numbers of transmit channels
Arian Beqiri1, Joseph V Hajnal1,2, and Shaihan J Malik1
1Imaging Sciences and Biomedical Engineering, King's College London, London, United Kingdom, 2Centre for the Developing Brain, King's College London, London, United Kingdom
Ensuring safe imaging around metallic implants is paramount to safety in MRI. Parallel transmission offers the possibility of electromagnetically decoupling metallic implants from an RF coil. Here the impact of the number of transmit channels used is assessed in terms of reduction of SAR around the implant and improvement in the homogeneity of the B1+ imaging field.
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