Implantable drug delivery devices for genitourinary sites

An implantable drug delivery device comprising:

• a plurality of drug reservoirs;
• a drug loaded in the drug reservoirs;
• a plurality of flexible joints joining the drug reservoirs together at their ends, at least one of the flexible joints having an opening;
• a filament extending from one of the flexible joints through the opening;
• and
• a fastener positioned on the filament, the fastener being movable through the opening upon engagement of the filament to lock the drug reservoirs in a retention shape.

An implantable drug delivery device comprising:

• a bellows-shaped drug reservoir;
• a drug loaded in the drug reservoir;
• a braided basket positioned about the drug reservoir;
• two filaments positioned between the drug reservoir and the braided basket, attached to both;
• and
• a fastener associated with the filaments, wherein the device can be moved into a retention shape of increased width and reduced length by pulling the filaments through the fastener, causing the basket to expand outward.