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![]() Title:Optimal Desing of Magnetically Actuatable Tips for Miniature Medical Soft Everting Robots Authors:Andrea Libertad Yanez Trujillo, Joshua Davy, James Chandler, James Avery and Pietro Valdastri Conference:HSMR2025 Tags:Everting Robot, Magnetic Actuation, Materials and Design, Soft Robot, Surgical Robotics and Vine Robot Abstract: Lung cancer is the most frequently diagnosed and deadliest cancer worldwide. Advances in screening, such as computed tomography (CT) scans, have improved early diagnosis and survival rates, but invasive procedures are still often required for diagnostic confirmation and treatment. Flexible bronchoscopy offers a less invasive method for diagnosis but faces challenges in navigating the convoluted bronchial tree. Soft robotic technologies, especially “Soft Everting Vine Robots”, present a promising solution. Everting robots grow via tip extension instead of locomotion, mimicking plant growth, and minimise external friction, making them a less invasive solution. Nonetheless, they still lack control over their direction of growth, necessitating an additional steering mechanism for navigating the complex branching structure of lung airways. In this report, the development of a wireless actuation mechanism for steering a 7 mm OD soft everting robot for endoluminal bronchoscopy is presented. By embedding an internal ring magnet (IRM) steerability was achieved through external magnetic actuation with an external permanent magnet (EPM). Furthermore, the possibility of carrying tools such as sensors and cameras was explored through an external ring magnet (ERM) attached to the IRM with a tip mount. These contributions advance the development of controllable soft everting vine robots for minimally invasive bronchoscopy, demonstrating their potential for lung cancer diagnosis and treatment. Optimal Desing of Magnetically Actuatable Tips for Miniature Medical Soft Everting Robots ![]() Optimal Desing of Magnetically Actuatable Tips for Miniature Medical Soft Everting Robots | ||||
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