Patent ID: 8404269

Claim:
An implantable device, comprising: a) an implantable elongated hollow glaucoma drainage tube including a solid walled plastic lumen having a lumen section that extends into an eye and wraps generally circularly around cornea of said eye and includes a flow passage so that when the tube is implanted within the eye the tube has a first end located in a first portion of the eye and a second end located in a second portion of the eye and the flow passage spans between the first end and the second end; and b) a sustained release medium including caprolactone and an antimicrobial within an interior of the lumen that is filled with the sustained release medium to define a head space passage that increases its degree of opening over time as matter is passed through the lumen; wherein the lumen has a circular cross section fixed inner and outer dimension, defining a lumen diameter, the tube includes a plurality of openings of a fixed size and shape, through which the sustained release medium escapes, and the sustained release medium comprises a solid material.