Shape Morphing Microscale Soft Robotic Actuators

Abstract The micro actuator has been studied for its application in micro operations such as manipulating cellular aggregate, the tissues or drug delivery. The traditional actuation methods include thermo-mechanical actuation, electromagnetic actuation, electrostatic actuation and pneumatic actuation. Among these actuation methods, pneumatic actuation has the advantage of not generating heat and current during actuation. We investigate 1) a streamlined and … Continue reading

Motion Planning of Flexible Manipulators by Learning from Human Expert Demonstrations

Abstract Motion Planning of Multiple-segment flexible soft, and continuum Flexible Manipulators by Learning from Human Expert Demonstrations Multiple-segment flexible and soft robotic actuators exhibit compliance but suffer from the difficulty of path planning due to their redundant degrees of freedom, although they are promising in complex tasks such as crossing body cavities to grasp objects. We propose a learning from … Continue reading

Magnetically Actuated Guide-wire Steering

Project Goals Guide wires are commonly used to assist surgeons during vascular surgery. Guide wires are usually the first to be placed, eventually allowing easy exchange of surgical tools to the target site. The surgeon has to manually control and manipulate the guide wire to the target region. This process is complicated by the tortuous nature of the vasculature and … Continue reading

Soft Robotic Manipulators: fabrication & applications

Abstract Flexible robotic manipulators have been widely used in minimally invasive surgery (MIS) and many other applications requiring closer inspection and operation. Although a variety of manipulators enabled by different mechanism have been developed, few of them can preserve softness, thinness and decent bending capability simultaneously. We develop miniature soft robotic manipulators made of hyper-elastic silicone rubber. Along with the … Continue reading

Multi-channel iTubot-BAT

Objective The overall objective of this project is to develop and evaluate the key technologies of Transnasal Artificial Tentacles, a new approach involving research on the tentacle-like robotic and sensing technologies. This is aiming to create a compliant, flexible, multiple-sensorized, immersive, intraoperative targeting and guidance system for constrained transnasal endoscopic surgeries in a confined workspace. Minimally invasive surgery-based nasopharyngeal cancer … Continue reading

A compact continuum tubular robotic system for transnasal procedures

Video [kad_youtube url=”https://youtu.be/E_OXL-4kxAY” ] Project Goals Nasopharynx cancer, or nasopharyngeal carcinoma (NPC), is a tumor that originates in the nasopharynx, the uppermost region of the pharynx where the nasal passage and the throat join. It is a common disease occurring to ethnic Chinese people living in or emigrating from southern China; it is also the eighth most frequently occurred cancer among Singaporean men. Traditional posterior nasopharyngeal … Continue reading

FlexiDiamond

This is a local copy of the website: http://flexidiamond.blogspot.sg/ Home-Based Self-Administered Nasopharynscopy Nasopharynscope is a valuable tool in diagnosing Nasopharyngeal carcinoma in patients since 84% of patients display ulcerations. Aim: To provide a home-based, affordable and easy-to-use diagnosing kit for detecting Nasopharyngeal Carcinoma Key features of 5th Generation Clear viewing with a specially designed camera lens Secure extension and contraction lock … Continue reading

ETH Image Based Visual Servoing to Guide Flexible Robots

Video Demo Eye-To-Hand Image Based Visual Servoing to Guide Flexible Robots Project goals Flexible robots including active cannula or cable driven continuum robots are typically suitable for such minimally invasive surgeries because they are able to present various flexible shapes with great dexterity, which strengthens the ability of collision avoidance and enlarges the reachability of operation tools. Using model based … Continue reading

3D Ultrasound Tracking and Servoing of Tubular Surgical Robots

Collaborators: [Pediatric Cardiac Bioengineering Lab of Children’s Hospital Boston, Harvard Medical School, USA] [Philips Research] Abstract Ultrasound imaging is a useful modality for guiding minimally invasive interventions due to its portability and safety. In cardiac surgery, for example, real-time 3D ultrasound imaging is being investigated for guiding repairs of complex defects inside the beating heart. Substantial difficulty can arise, however, … Continue reading