Abstract: A method for manufacturing a drug-releasing stent is provided. The method includes providing a titanium precursor, a carrier gas and a reactant gas in a plasma vacuum chamber, and generating a plasma for 1 to 6 hours to form a titanium oxide thin film on the surface of a stent. The method further includes providing steam or oxygen and hydrogen in the plasma vacuum chamber and generating a low-temperature plasma for 10 minutes to 2 hours to modify the surface of the titanium oxide thin film. The method further includes reacting the titanium oxide thin film of the stent with a drug in an acidic solution and under an inert gas atmosphere at room temperature to 100° C. for 30 minutes to 4 hours to attach the drug.

Abstract: Disclosed is a method for manufacturing a drug-releasing stent, including: coating a titanium dioxide or nitrogen-doped titanium dioxide thin film on a metal stent; and attaching a drug on the surface of the titanium oxide thin film. More specifically, the method for manufacturing a drug-releasing stent includes: coating a titanium dioxide or nitrogen-doped titanium dioxide thin film on a metal stent, which can be inserted into the blood vessel, by plasma enhanced chemical vapor deposition (PECVD); modifying the surface of the titanium oxide thin film with hydroxyl groups by low-temperature plasma; and chemically attaching a drug such as an antithrombotic drug or a neointimal hyperplasia inhibitor, so that the drug may be released in the blood vessel in a sustained manner.