Abstract #3711
Monopole-drive for RF Ablation at 64 MHz
Maryam Etezadi-Amoli 1 , Christopher Ellenor 1 , Pascal Stang 1 , Adam Kerr 1 , John Pauly 1 , and Greig Scott 1
1
Electrical Engineering, Stanford University,
Stanford, CA, United States
We present a novel monopole-drive mechanism to allow RF
ablations to be performed at the proton resonance
frequency, without the need for a ground pad. The
monopole driver consists of a high-Q shielded LC tank
circuit that can be interfaced with classic RF ablation
probes and also allows the probe to be used as a
transmit-receive coil in the MRI scanner. Imaging
results show successful probe visualization using power
levels as low as 0.4W, and phantom heating tests
indicate that temperatures exceeding 60
o
C can
be achieved in less than six minutes with 100W drive
power.
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