Patent ID: 11904072
Assignee: UROTRONIC, INC.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. A method for treating a nonvascular body lumen stricture, the method comprising:
providing a balloon catheter in a body lumen such that the balloon catheter is positioned in the body lumen stricture, the balloon catheter comprising an elongated balloon, the balloon comprising a coating layer overlying external balloon surfaces, the coating layer comprising at least one additive and an initial drug load of a therapeutic agent, wherein the coating layer is flushed or soaked in a solution comprising water or saline;
inflating the balloon catheter in the body lumen stricture to contact walls of the body lumen stricture with the coating layer until the stricture in the body lumen is dilated to a desired diameter;
deflating the balloon catheter; and
withdrawing the balloon catheter from the body lumen.