Patent ID: 8911817

Claim:
A method of coating a catheter or a balloon catheter, comprising: a. surrounding the circumference of the catheter or balloon catheter completely or substantially with a device for applying a coating solution to the catheter or balloon catheter, the catheter or balloon catheter and the device being so arranged that there is a uniform radial space between the catheter or balloon catheter and the device; b. by means of the applying device filling the coating solution into the space; c. imparting relative axial motion to the applying device and the catheter or balloon catheter so that the catheter or balloon catheter is traversed by the applying means a plurality of times while the coating solution is fed into the space and onto the surfaces of the catheter or balloon catheter so that the coating is applied stagewise; d. predetermining intervals between stages so that coating applied in each stage only partially dries before the next stage; and e. after a final coating stage, completely drying the coating.