Ear tubes are devices that plastic tubes which are flexible and spool-shaped. Ear tubes are placed in the eardrums through a tiny surgical incision. Ear tube devices allows air to flow in so that the pressure in the ear is same on both the sides of the eardrum. Ear tubes are placed to avoid recurring infections, which are irrepressible through therapeutic treatments. Ear tubes also prevent ear infections spreading nearby bones, brain or nearby nerves.