Zobrazeno 1 - 10
of 812
pro vyhledávání: '"Fischer, Gregory"'
Haptic feedback to the surgeon during robotic surgery would enable safer and more immersive surgeries but estimating tissue interaction forces at the tips of robotically controlled surgical instruments has proven challenging. Few existing surgical ro
Externí odkaz:
http://arxiv.org/abs/2409.19970
Finite element modeling (FEM) is a critical tool in the design and analysis of piezoelectric devices, offering detailed numerical simulations that guide various applications. While traditionally applied to eigenfrequency analysis and time-dependent s
Externí odkaz:
http://arxiv.org/abs/2409.10707
MRI-targeted biopsy has shown significant advantages over conventional random sextant biopsy, detecting more clinically significant cancers and improving risk stratification. However, needle targeting accuracy, especially in transperineal MRI-guided
Externí odkaz:
http://arxiv.org/abs/2409.09971
Autor:
Zhao, Zhanyue, Wang, Yang, Bales, Charles, Ruiz-Cadalso, Daniel, Zheng, Howard, Furlong-Vazquez, Cosme, Fischer, Gregory
Piezoelectric ultrasonic motors perform the advantages of compact design, faster reaction time, and simpler setup compared to other motion units such as pneumatic and hydraulic motors, especially its non-ferromagnetic property makes it a perfect matc
Externí odkaz:
http://arxiv.org/abs/2409.07690
Autor:
Lin, Fangzhou, Liu, Haotian, Zhou, Haoying, Hou, Songlin, Yamada, Kazunori D, Fischer, Gregory S., Li, Yanhua, Zhang, Haichong K., Zhang, Ziming
3D point clouds enhanced the robot's ability to perceive the geometrical information of the environments, making it possible for many downstream tasks such as grasp pose detection and scene understanding. The performance of these tasks, though, heavi
Externí odkaz:
http://arxiv.org/abs/2409.06171
Precise surgical procedures may benefit from intra-operative image guidance using magnetic resonance imaging (MRI). However, the MRI's strong magnetic fields, fast switching gradients, and constrained space pose the need for an MR-guided robotic syst
Externí odkaz:
http://arxiv.org/abs/2409.04006
Intracorporeal needle-based therapeutic ultrasound (NBTU) offers a minimally invasive approach for the thermal ablation of malignant brain tumors, including both primary and metastatic cancers. NBTU utilizes a high-frequency alternating electric fiel
Externí odkaz:
http://arxiv.org/abs/2409.03990
Autor:
Zhao, Zhanyue, Szewczyk, Benjamin, Tarasek, Matthew, Bales, Charles, Wang, Yang, Liu, Ming, Jiang, Yiwei, Bhushan, Chitresh, Fiveland, Eric, Campwala, Zahabiya, Trowbridge, Rachel, Johansen, Phillip M., Olmsted, Zachary, Ghoshal, Goutam, Heffter, Tamas, Gandomi, Katie, Tavakkolmoghaddam, Farid, Nycz, Christopher, Jeannotte, Erin, Mane, Shweta, Nalwalk, Julia, Burdette, E. Clif, Qian, Jiang, Yeo, Desmond, Pilitsis, Julie, Fischer, Gregory S.
Intracorporeal needle-based therapeutic ultrasound (NBTU) is a minimally invasive option for intervening in malignant brain tumors, commonly used in thermal ablation procedures. This technique is suitable for both primary and metastatic cancers, util
Externí odkaz:
http://arxiv.org/abs/2409.02395
Intra-operative image guidance using magnetic resonance imaging (MRI) can significantly enhance the precision of surgical procedures, such as deep brain tumor ablation. However, the powerful magnetic fields and limited space within an MRI scanner req
Externí odkaz:
http://arxiv.org/abs/2408.08528
Autor:
Zhou, Haoying, Jiang, Yiwei, Gao, Shang, Wang, Shiyue, Kazanzides, Peter, Fischer, Gregory S.
Publikováno v:
2024 International Symposium on Medical Robotics (ISMR) IEEE
In this work, we develop an open-source surgical simulation environment that includes a realistic model obtained by MRI-scanning a physical phantom, for the purpose of training and evaluating a Learning from Demonstration (LfD) algorithm for autonomo
Externí odkaz:
http://arxiv.org/abs/2403.00956