Abstract
In this study, the reverse polarization method is implemented using transmit and receive arrays to improve the visibility of the interventional devices. Linearly polarized signal sources-inductively and receptively coupled radiofrequency coils-are used in the experimental setups to demonstrate the ability of the method to separate these sources from a forward polarized anatomy signal. Two different applications of the reverse polarization method are presented here: (a) catheter tracking and (b) fiducial marker visualization, in both of which transmit and receive arrays are used. The performance of the reverse polarization method was further tested with phantom and volunteer studies, and the results proved the feasibility of this method with transmit and receive arrays. Magn Reson Med, 2012.
Original language | English (US) |
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Pages (from-to) | 446-456 |
Number of pages | 11 |
Journal | Magnetic Resonance in Medicine |
Volume | 67 |
Issue number | 2 |
DOIs | |
State | Published - Feb 2012 |
Externally published | Yes |
Keywords
- fiducial marker
- inductive and receptive coupling
- interventional device tracking
- interventional MRI
- phased array coils
- reverse polarization
- transmit array system
ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging