Flexible instruments for endovascular interventions: Improved magnetic steering, actuation, and image-guided surgical instruments

C Heunis, J Sikorski, S Misra - IEEE robotics & automation …, 2018 - ieeexplore.ieee.org
Endovascular surgery has gained broad acceptance in the last few years. The current
practice of endovascular procedures is limited by factors including patient-specific operation …

A continuum manipulator for continuously variable stiffness and its stiffness control formulation

B Zhao, L Zeng, Z Wu, K Xu - Mechanism and Machine Theory, 2020 - Elsevier
Continuum manipulators can accomplish tasks in cluttered and unstructured environments
due to their slenderness. Balancing the workspace and stiffness of the slender continuum …

A compact, cable-driven, activatable soft wrist with six degrees of freedom for assembly tasks

F von Drigalski, K Tanaka, M Hamaya… - 2020 IEEE/RSJ …, 2020 - ieeexplore.ieee.org
Physical softness has been proposed to absorb impacts when establishing contact with a
robot or its workpiece, to relax control requirements and improve performance in assembly …

Origami-inspired wearable robot for trunk support

D Li, EQ Yumbla, A Olivas, T Sugar… - IEEE/ASME …, 2022 - ieeexplore.ieee.org
We present a wearable “exo-shell” device inspired by the human spine for improving the gait
of elderly people during obstacle avoidance tasks. This device—designed and fabricated …

Design and control of a tunable-stiffness coiled-spring actuator

S Misra, M Mitchell, R Chen… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
We propose a novel design for a lightweight and compact tunable stiffness actuator capable
of stiffness changes up to 20x. The design is based on the concept of a coiled spring, where …

Tunable anisotropic stiffness with square fiber jamming

B Aktaş, RD Howe - 2020 3rd IEEE International Conference on …, 2020 - ieeexplore.ieee.org
Jamming is a phenomenon in which a collection of compliant elements is encased in an
airtight envelope, and a vacuum-induced pressure enhances frictional and kinematic …

Contact-rich soft-rigid robots inspired by push puppets

JM Bern, LZ Yañez, E Sologuren… - 2022 IEEE 5th …, 2022 - ieeexplore.ieee.org
Human-centric problem domains will require robots with an unprecedented mix of traits-
combining the inherent safety and robustness of soft materials with the strength and …

A contact-aided asymmetric steerable catheter for atrial fibrillation ablation

A Gao, H Liu, Y Zou, Z Wang, M Liang… - IEEE Robotics and …, 2017 - ieeexplore.ieee.org
Electrical isolation using the ablation catheter has been widely used as the golden standard
for the treatment of atrial fibrillation. Clinical practice shows that the tip orientation affects the …

Continuum manipulator with redundant backbones and constrained bending curvature for continuously variable stiffness

B Zhao, W Zhang, Z Zhang, X Zhu… - 2018 IEEE/RSJ …, 2018 - ieeexplore.ieee.org
Snake-like manipulators can navigate and perform manipulation in confined spaces. Their
recent implementations in surgical robots attracted a lot of attentions. These slender …

A continuum manipulator with closed-form inverse kinematics and independently tunable stiffness

B Zhao, L Zeng, B Wu, K Xu - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
Continuum manipulators can accomplish various tasks in confined spaces, benefiting from
their compliant structures and improved dexterity. Confined and unstructured spaces may …