Tendon-driven Flexible Manipulator

Project goals This project aims to develop a flexible manipulator for transnasal/transoral surgery. Compared with existing surgical manipulators, the developed one should have better performance in workspace and dexterity, thus better facilitate the surgical operation. Approaches A constrained tendon-driven serpentine manipulator (CTSM) is designed as shown in Figure 1. It includes an underactuated tendon-driven flexible section, a constraint and a … 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

Nasopharyngeal Carcinoma Surveillance

Project Goals: Nasopharyngeal carcinoma (NPC) is a tumor arising from the epithelial cells that cover the surface and line the nasopharynx. The concern about NPC in our studies is that it is more common in regions in East Asia and Africa, specifically Southeast Asia. Due to the high tendency for NPC to develop into metastatic dissemination, about 30- 60% of … 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