#$%^&*AU2015201123A120150416.pdf#####Abstract The invention is generally in the field of implantable medical devices and methods, more particularly in the field of drug delivery devices deployable within the bladder. The drug delivery device which is wholly deployable within the bladder of a human patient and well tolerated by the patient, comprising: an elastic body housing a solid or semi-solid drug formulation, wherein the device is deformable between a deployment shape for passage of the device through the urethra and a retention shape for preventing voiding of the device through the urethra, the retention shape having a maximum dimension in any dimension of 6 cm or less when in an uncompressed state, and wherein the device exerts a maximum acting force less than 1 N when the device is compressed from the retention shape to a shape having a maximum dimension in any dimension of 3 cm.