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Shape Manipulation of Bevel-Tip Needles for Prostate Biopsy Procedures: A Comparison of Two Resolved-Rate Controllers by Wang, Yanzhou; Al-Zogbi, Lidia; Liu, Jiawei; Shepard, Lauren; Ghazi, Ahmed; Tokuda, Junichi; Leonard, Simon; Krieger, Axel; Iordachita, Iulian is a scholarly article available to read on EtoBox.

What is Shape Manipulation of Bevel-Tip Needles for Prostate Biopsy Procedures: A Comparison of Two Resolved-Rate Controllers about?

Prostate cancer diagnosis continues to encounter challenges, often due to imprecise needle placement in standard biopsies. Several control strategies have been developed to compensate for needle tip prediction inaccuracies, however none were compared against each other, and it is unclear whether any of them can be safely and universally applied in clinical settings. This paper compares the performance of two resolved-rate controllers, derived from a mechanics-based and a data-driven approach, for bevel-tip needle control using needle shape manipulation through a template. We demonstrate for a simulated 12-core biopsy procedure under model parameter uncertainty that the mechanics-based controller can better reach desired targets when only the final goal configuration is presented even with uncertainty on model parameters estimation, and that providing a feasible needle path is crucial in ensuring safe surgical outcomes when either controller is used for needle shape manipulation.

Author

Wang, Yanzhou; Al-Zogbi, Lidia; Liu, Jiawei; Shepard, Lauren; Ghazi, Ahmed; Tokuda, Junichi; Leonard, Simon; Krieger, Axel; Iordachita, Iulian

Published

2024

Language

EN