Towards electromagnetic tracking of J-tip guidewire: precision assessment of sensors during bending tests

Roberta Piazza; Hareem Nisar; John Moore; Sara Condino; Mauro Ferrari; Vincenzo Ferrari; Terry M. Peters; Elvis C. S. Chen

doi:10.1117/12.2549764

16 March 2020 Towards electromagnetic tracking of J-tip guidewire: precision assessment of sensors during bending tests

Roberta Piazza, Hareem Nisar, John Moore, Sara Condino, Mauro Ferrari, Vincenzo Ferrari, Terry M. Peters, Elvis C. S. Chen

Author Affiliations +

Proceedings Volume 11315, Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling; 1131506 (2020) https://doi.org/10.1117/12.2549764
Event: SPIE Medical Imaging, 2020, Houston, Texas, United States

Abstract

Electromagnetic image guidance systems have emerged as more secure methods to improve the performance of several catheter-based minimally invasive surgical procedures. Small sensors are incorporated within catheters and guidewires in order to track and guide in real-time their position and orientation with a reduced intra- procedural radiation exposure and contrast agent injections. One of the major limits of these systems is related to the unsuitable sensorization strategy for the J-tip guidewires, due to the structural constraints of the sensor coils available on the market. In this work we present preliminary results on a sensors bending test in static conditions to assess whether and when the precision of the sensor remains unchanged and/or deteriorates. In the worst case, the highest standard deviation is less than 0:10 mm.

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Citation Download Citation

Roberta Piazza, Hareem Nisar, John Moore, Sara Condino, Mauro Ferrari, Vincenzo Ferrari, Terry M. Peters, and Elvis C. S. Chen "Towards electromagnetic tracking of J-tip guidewire: precision assessment of sensors during bending tests", Proc. SPIE 11315, Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling, 1131506 (16 March 2020); https://doi.org/10.1117/12.2549764

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