TY - GEN
T1 - Lesion expansion by using dual concentric-sectored HIFU transducer with phase-shifted ultrasound
AU - Jeong, Jong Seob
PY - 2013
Y1 - 2013
N2 - A split-focus scheme capable of simultaneously generating multiple foci can increase the necrotic region and thus results in reduced treatment time in HIFU (High-Intensity Focused Ultrasound) surgery. Because most split-focus techniques generate multiple foci in the lateral and elevational direction, the lesion expansion in the axial direction is relatively smaller than other directions. In this study, a dual concentric-sectored (DCS) HIFU transducer with phase-shifted ultrasound technique is presented to generate multiple foci in the lateral/elevational and axial direction. The performance of the proposed method was demonstrated through Field-II and bio-heat transfer/thermal dose simulations.
AB - A split-focus scheme capable of simultaneously generating multiple foci can increase the necrotic region and thus results in reduced treatment time in HIFU (High-Intensity Focused Ultrasound) surgery. Because most split-focus techniques generate multiple foci in the lateral and elevational direction, the lesion expansion in the axial direction is relatively smaller than other directions. In this study, a dual concentric-sectored (DCS) HIFU transducer with phase-shifted ultrasound technique is presented to generate multiple foci in the lateral/elevational and axial direction. The performance of the proposed method was demonstrated through Field-II and bio-heat transfer/thermal dose simulations.
KW - Dual-concentric-sectored transducer
KW - HIFU
KW - Phase-shifted ultrasound
UR - http://www.scopus.com/inward/record.url?scp=84894308073&partnerID=8YFLogxK
U2 - 10.1109/ULTSYM.2013.0289
DO - 10.1109/ULTSYM.2013.0289
M3 - Conference contribution
AN - SCOPUS:84894308073
SN - 9781467356862
T3 - IEEE International Ultrasonics Symposium, IUS
SP - 1129
EP - 1132
BT - 2013 IEEE International Ultrasonics Symposium, IUS 2013
T2 - 2013 IEEE International Ultrasonics Symposium, IUS 2013
Y2 - 21 July 2013 through 25 July 2013
ER -