Engineers have shown it is technically possible to guide a tiny robotic capsule inside the colon to take micro-ultrasound images. Known as a Sonopill, the device could one day replace the need for patients to undergo an endoscopic examination, where a semi-rigid scope is passed into the bowel – an invasive procedure that can be painful.
Click here for original story, A miniature robot that could check colons for early signs of disease
Source: ScienceDaily