A coating and drying apparatus for the application of a coating substance to a stent and drying the stent is provided. The apparatus can include a cartridge. The cartridge can comprise a core, a plurality of stent mandrels, a first clutch, and a second clutch. The core can extend outwards from a circumference of the core. Each stent mandrel can be capable of supporting a stent. The first clutch can be coupled to the core and capable of being removeably coupled to a first shaft such that rotation of the first shaft enables rotation of the core. The second clutch can be coupled to the plurality of stent mandrels and capable of being removeably coupled to a second shaft such that rotation of the second shaft enables rotation of the stent mandrels.