Otological drain tube

An otological drain tube which is capable of being implanted in the ear drum to vent the differential pressure that can build up across the ear drum as the result of blocked eustachian tubes, a buildup of internal liquid pressure in the inner ear due to illness, or a change in atmospheric pressure, the otological tube comprising:

• a central body, a cap-plug which consists of a first end cap and an integrally molded plug body, a second end cap, and a means for permanently securing the elements together when assembled, wherein the assembly of these elements creates a plurality of lumens within the central body, wherein the cross-sectional area of each lumen is equal to 0.00001257 to 0.0000196 square inches, and further having the first and second end caps containing therein integral support posts which are positioned to prevent the end caps from closing against the central body when pressure is applied to the end cap outer face, the first and second end caps further preventing particulate matter from entering the otological drain tube without impeding the flow of air or liquid therethrough, the otological drain tube being manufactured of plastic material which is inexpensively molded, sterilized, and plated with a protective metal coating.