An implantable, time-released substance delivery device includes a casing having an exterior surface, and a number of pores disposed on the exterior surface of the casing. The time-released substance delivery device further has an interior chamber disposed within the casing, and a number of excretion tubes disposed within the casing. Each of the excretion tubes fluidly connects the interior chamber to one of the pores.
This application claims the benefit of U.S. Provisional Application No. 60/162,590, filed Oct. 29, 1999 and entitled TIME-RELEASED SUBSTANCE DELIVERY DEVICE, the contents of which are expressly incorporated herein by reference.
