The present disclosure relates to methods for embedded drug molecules into medical catheters, tubes, and other medical devices. The catheter, tube, or other medical device is capable of releasing drugs for extended periods of time. Drugs can be loaded into the wall thereof through diffusion from a loading solution. A counterintuitive approach of using undissolved drug particulates in the loading solution is employed in some embodiments. The drug in the wall of the device and in the loading solution can be in dynamic equilibrium, yielding stable and easy-to-manufacture products. Heat can be used to significantly speed up the drug loading.
