Such materials may be coated over all or a portion of the surface of stent segments 32, or stent segments 32 may include apertures, holes, channels, or other features in which such materials may be deposited. [0062] Stent segments 32 may have a variety of configurations, including those described in copending application Serial No. 60/440,839, filed Jan. 17, 2003 (Attorney Docket No. 21629-000500)