| 摘要 |
<p>A stent placed in a vessel of an organism, comprising a stent body formed cylindrically by yarn of a bioabsorbable polymer having a shape memory function; the stent body returning to its original shape having a size to permit indwelling in a vessel; placed in a vessel of an organism; with its diameter reduced by an external force; adapted to be expanded when it is heated with the heat of the organism; and formed by winding yarn of a bioabsorbable polymer cylindrically while bending the same zigzag so that the stent body is expanded or contracted at bent portions of the yarn as displacement portions.</p> |
