TY - CHAP
T1 - 3D ultrasonic needle tracking with a 1.5D transducer array for guidance of fetal interventions
AU - Xia, Wenfeng
AU - West, Simeon J.
AU - Mari, Jean Martial
AU - Ourselin, Sebastien
AU - David, Anna L.
AU - Desjardins, Adrien E.
PY - 2016/10/17
Y1 - 2016/10/17
N2 - Ultrasound image guidance is widely used in minimally invasive procedures,including fetal surgery. In this context,maintaining visibility of medical devices is a significant challenge. Needles and catheters can readily deviate from the ultrasound imaging plane as they are inserted. When the medical device tips are not visible,they can damage critical structures,with potentially profound consequences including loss of pregnancy. In this study,we performed 3D ultrasonic tracking of a needle using a novel probe with a 1.5D array of transducer elements that was driven by a commercial ultrasound system. A fiber-optic hydrophone integrated into the needle received transmissions from the probe,and data from this sensor was processed to estimate the position of the hydrophone tip in the coordinate space of the probe. Golay coding was used to increase the signal-to-noise (SNR). The relative tracking accuracy was better than 0.4mm in all dimensions,as evaluated using a water phantom. To obtain a preliminary indication of the clinical potential of 3D ultrasonic needle tracking,an intravascular needle insertion was performed in an in vivo pregnant sheep model. The SNR values ranged from 12 to 16 at depths of 20 to 31mm and at an insertion angle of 49o relative to the probe surface normal. The results of this study demonstrate that 3D ultrasonic needle tracking with a fiber-optic hydrophone sensor and a 1.5D array is feasible in clinically realistic environments.
AB - Ultrasound image guidance is widely used in minimally invasive procedures,including fetal surgery. In this context,maintaining visibility of medical devices is a significant challenge. Needles and catheters can readily deviate from the ultrasound imaging plane as they are inserted. When the medical device tips are not visible,they can damage critical structures,with potentially profound consequences including loss of pregnancy. In this study,we performed 3D ultrasonic tracking of a needle using a novel probe with a 1.5D array of transducer elements that was driven by a commercial ultrasound system. A fiber-optic hydrophone integrated into the needle received transmissions from the probe,and data from this sensor was processed to estimate the position of the hydrophone tip in the coordinate space of the probe. Golay coding was used to increase the signal-to-noise (SNR). The relative tracking accuracy was better than 0.4mm in all dimensions,as evaluated using a water phantom. To obtain a preliminary indication of the clinical potential of 3D ultrasonic needle tracking,an intravascular needle insertion was performed in an in vivo pregnant sheep model. The SNR values ranged from 12 to 16 at depths of 20 to 31mm and at an insertion angle of 49o relative to the probe surface normal. The results of this study demonstrate that 3D ultrasonic needle tracking with a fiber-optic hydrophone sensor and a 1.5D array is feasible in clinically realistic environments.
UR - http://www.scopus.com/inward/record.url?scp=84996525958&partnerID=8YFLogxK
U2 - 10.1007/978-3-319-46720-7_41
DO - 10.1007/978-3-319-46720-7_41
M3 - Conference paper
AN - SCOPUS:84996525958
SN - 9783319467191
VL - 9900 LNCS
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 353
EP - 361
BT - Medical Image Computing and Computer-Assisted Intervention - MICCAI 2016 - 19th International Conference, Proceedings
PB - Springer Verlag
T2 - 1st International Workshop on Simulation and Synthesis in Medical Imaging, SASHIMI 2016 held in conjunction with 19th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2016
Y2 - 21 October 2016 through 21 October 2016
ER -