Patent ID: 8777927

Claim:
An apparatus for administering medication comprising: a treatment tube; the treatment tube extending a length between a proximal end and a distal end; the treatment tube having a wall with an exterior surface and a central lumen extending the length of the treatment tube; at least one hollow tubular channel disposed within the wall of the treatment tube; the hollow tubular channel extending a length from a proximal end to a distal end; a medication diffusion segment positioned in the wall of the treatment tube adjacent the distal end of the hollow tubular channel and in communication with the hollow tubular channel; wherein the hollow tubular channel is configured to deliver medication through the medication diffusion segment to the exterior surface of the treatment tube; wherein the medication diffusion segment has a series of apertures; a recessed segment positioned in the wall of the treatment tube; a medication delivery conduit connected to the hollow tubular channel and wrapped helically around the recessed segment in the wall of the treatment tube.