Enhanced accuracy in magnetic actuation: Closed-loop control of a magnetic agent with low-error numerical magnetic model estimation

O Erin, S Raval, TJ Schwehr, W Pryor… - IEEE robotics and …, 2022 - ieeexplore.ieee.org
Magnetic actuation holds promise for wirelessly controlling small, magnetic surgical tools
and may enable the next generation of ultra minimally invasive surgical robotic systems …

Control of magnetic surgical robots with model-based simulators and reinforcement learning

Y Barnoy, O Erin, S Raval, W Pryor… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Magnetically manipulated medical robots are a promising alternative to current robotic
platforms, allowing for miniaturization and tetherless actuation. Controlling such systems …

Multi-Class Detection and Tracking of Intracorporeal Suturing Instruments in an FLS Laparoscopic Box Trainer Using Scaled-YOLOv4

M Mohaidat, JL Grantner, SA Shebrain… - … Symposium on Visual …, 2022 - Springer
Intracorporeal suturing is one of the most critical skills in the Fundamentals of Laparoscopic
Surgery (FLS) training. Assessment of skills acquisition requires a significant amount of the …

Going Hands-Free: MagnetoSuture™ for Untethered Guided Needle Penetration of Human Tissue Ex Vivo

LO Mair, S Chowdhury, X Liu, O Erin, O Udalov… - Robotics, 2021 - mdpi.com
The application of force in surgical settings is typically accomplished via physical tethers to
the surgical tool. While physical tethers are common and critical, some internal surgical …

Magnetic model calibration for tetherless surgical needle manipulation using zernike polynomial fitting

S Raval, O Erin, X Liu, LO Mair, W Pryor… - 2021 IEEE 21st …, 2021 - ieeexplore.ieee.org
Exerting forces and torques instantaneously on rigid magnetic bodies with no physical
connection is an attractive feature of magnetic robotics. This demonstrates great potential for …

Time-Scale Separation Analysis for Surgical Needle Control in Electromagnetic Robotic Systems

S Raval, L Mair, W Pryor, O Erin, T Schwehr… - IFAC-PapersOnLine, 2023 - Elsevier
In this work, we use the theory of time-scale separation to analyze motion of magnetic
needles powered by electromagnetic coils for surgical tasks. In developing model-based …

[引用][C] Mitigating Singularities in Control of Magnetic Capsule Endoscopes Using a Novel Nested Electromagnetic Coil System

X Chen, A Bhattacharjee, LO Mair, S Raval… - Journal of Medical …, 2024 - World Scientific
Magnetic actuation systems that utilize external electromagnetic coils present a promising
approach for controlling untethered small-scale robots, notably in medical applications …