The we-hope-it's-not-a-suppository Norika3

We're not sure exactly how it, erm, gets in your system (we have a pretty good idea how it gets out), but apparently the Japanese have developed a micro-mini submarine endoscope all Innerspace style. It's 9mm in diameter and 22mm long,
has headlights, a camera, and apparently is radio controlled, though we're not sure what kind of propulsion system this thing's going to have. Make that, we're not sure we want to know what kind of propulsion system this thing's going to have.