A non-bioabsorbable, tubular device intended to be implanted to indefinitely maintain patency/improve luminal diameter of a blood vessel (peripheral artery and/or vein) and, alternatively, the tracheobronchial tree; it may in addition be intended to be used in the biliary tract. It is not intended for implantation in a coronary or cerebral artery and not intended for shunting. It is a tubular bare-metal mesh implanted with a balloon catheter or delivery device (balloon and/or self-expanding). It is available in a variety of lengths and diameters. Disposable devices associated with implantation may be included.