J Korean Soc Magn Reson Med.
1997 Dec;1(1):75-78.
Dual Birdcage RF Coil for Leg MR Angiography
Abstract
- A dual birdcage RF coil is proposed for MRI and MRA of the human leg. The coil can be used to cover the whole human leg by imaging upper and lower parts of the leg separately. In the conventional leg imaging scheme using a single RF coil, the leg has to be relocated when changing the position of the RF coil thus causing problem in matching the images from two sets of coils. When using the proposed dual RF coil, however, only the bed has to be moved to select the imagings region while only one part of the dual coil is used each time by using current switching and PIN diodes. The utility of proposed coil has been verified by volunteer MRI and MRA and the imaging results show that the coil is useful for the clinical MRI and MRA of the leg.
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