STENT WITH EXCELLENT VESSEL DIAMETER RETAINING PROPERTY AND FOLLOWING PROPERTY

摘要

PPROBLEM TO BE SOLVED: To provide a stent which shows an excellent retention of a vessel diameter for keeping a diameter of an opened lumen, little bulges when being bent, and following property to the lumens or the like (consequently passes the three-dimensionally snaking lumens), and never causes the shortening practically. PSOLUTION: The stent is a tubular member including a plurality of ring-shaped members 1 expanding in the direction of the radius for keeping the living lumen open and connecting elements 2 connecting the adjacent ring-shaped members 1 longitudinally. The ring-shaped member 1 is constituted of a plurality of elliptical elements 11 which are connected mutually and continued circumferentially. PCOPYRIGHT: (C)2005,JPO&NCIPI