A doctor shows a pill-sized robot that gathered more than 80 patents at a hospital in Wuhan, China's Hubei province, Jan 3, 2019. The robot named gastroscope capsule is developed by Chinese tech firm Ankon. The company said the gastroscopy robot capsule can perform 360-degree examinations of the digestive tract in patient's stomach without pain, invasive, anesthetic, blind ends and cross-infection. [Photo/IC]