1. A medical device comprising: a catheter, a compressed hollow metal structure attached to a catheter, the metal structure, when expanded, contains one segment having a wall with an inner surface forming a cavity and an outer surface with an opening defined by a wall that allows passage fluid into the cavity, the cavity of the hollow metal structure and the cavity of the catheter can be connected by fluid, and the passage of fluid from the catheter into the cavity of the hollow metal ktsii leads to its rasshireniyu.2. The medical device according to claim 1, characterized in that the shape of the expanded metal structure is cylindrical, with flat or curved opposite ends. The medical device according to claim 1, characterized in that the wall of the metal structure contains a material selected from the group consisting of gold, platinum, silver, their alloys and their combinations. The medical device according to claim 1, characterized in that the metal structure has an expanded diameter of from about 2 to about 30 mm. The medical device according to claim 1, characterized in that the metal structure has an extended length of from about 5 to about 60 mm. The medical device according to claim 1, characterized in that the metal structure has a wall thickness of from about 3 to about 180 microns. The medical device according to claim 1, characterized in that the wall of the metal structure contains an outer layer. The medical device according to claim 7, characterized in that the outer layer contains a porous material to form a porous outer layer. Medical Devices�1. Медицинское устройство, содержащее:катетер исжатую полую металлическую конструкцию, присоединенную к катетеру, причем металлическая конструкция, когда она расширена, содержит один сегмент, имеющий стенку с внутренней поверхностью, образующей полость, и внешнюю поверхность с отверстием, определенным стенкой, которая позволяет проходить текучей среде в полость, причем полость полой металлической конструкции и