A force-feedback methodology for teleoperated suturing task in robotic-assisted minimally invasive surgery

A Ehrampoosh, B Shirinzadeh, J Pinskier, J Smith… - Sensors, 2022 - mdpi.com
With robotic-assisted minimally invasive surgery (RAMIS), patients and surgeons benefit
from a reduced incision size and dexterous instruments. However, current robotic surgery …

Method for generating real-time interactive virtual fixture for shared teleoperation in unknown environments

V Pruks, JH Ryu - The International Journal of Robotics …, 2022 - journals.sagepub.com
A virtual fixture (VF) is a constraint built into software that assists a human operator in
moving a remote tool along a preferred path via an augmented guidance force to improve …

Optimization-based constrained trajectory generation for robot-assisted stitching in endonasal surgery

J Colan, J Nakanishi, T Aoyama, Y Hasegawa - Robotics, 2021 - mdpi.com
The reduced workspace in endonasal endoscopic surgery (EES) hinders the execution of
complex surgical tasks such as suturing. Typically, surgeons need to manipulate non …

Virtual‐force‐guided intraoperative ultrasound scanning with online lesion location prediction: A phantom study

B Niu, D Yang, P Wang, H Yang… - … Journal of Medical …, 2023 - Wiley Online Library
Background In ultrasound‐guided minimally invasive surgery (MIS) of tumours, it is crucial to
discover the optimal scanning plane (OSP) and organise the MIS scalpel work trajectory in …

Autonomous coordinated control of the light guide for positioning in vitreoretinal surgery

Y Koyama, MM Marinho, M Mitsuishi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Vitreoretinal surgery is challenging even for expert surgeons owing to the delicate target
tissues and the diminutive workspace in the retina. In addition to improved dexterity and …

Surgivisor: Transformer-based semi-supervised instrument segmentation for endoscopic surgery

Z Wu, CY Lau, Q Zhou, J Wu, Y Wang, Q Liu… - … Signal Processing and …, 2024 - Elsevier
Precise instrument segmentation helps tracking of instruments in surgery. The most of the
existing instrument segmentation methods are fully supervised, which are based on 100 …

[HTML][HTML] Enhancing human–robot collaborative transportation through obstacle-aware vibrotactile warning and virtual fixtures

D Sirintuna, T Kastritsi, I Ozdamar, JM Gandarias… - Robotics and …, 2024 - Elsevier
Transporting large and heavy objects can benefit from Human–Robot Collaboration (HRC),
increasing the contribution of robots to our daily tasks and addressing challenges arising …

Design and validation of looping assistance methods in robotic‐assisted neonatal surgical suturing in a chest model

M Marques Marinho, R Oikawa… - … Journal of Medical …, 2023 - Wiley Online Library
Background Neonate patients have a reduced thoracic cavity, making thoracoscopic
procedures even more challenging than their adult counterparts. Methods We evaluated five …

An optimization-based algorithm for trajectory planning of an under-actuated robotic arm to perform autonomous suturing

H Dehghani, Y Sun, L Cubrich… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
In single-port access surgeries, robot size is crucial due to the limited workspace. Thus, a
robot may be designed under-actuated. Suturing, in contrast, is a complicated task and …

A Learning-Based Shared Control Approach for Contact Tasks

Y Michel, Z Li, D Lee - IEEE Robotics and Automation Letters, 2023 - ieeexplore.ieee.org
This work presents a novel shared control architecture dedicated to teleoperated contact
tasks. We use Learning from demonstration as a framework to learn a task model that …