| 摘要 |
<p>A self-expandable stent (1) has a plurality of wavy-line annular bodies (2) in the axial direction. Each wavy-line annular body (2) of the stent (1) other than those at one and the other ends has a first shared linear portion (A1) and a second shared linear portion (A2) located on one end side, a third shared linear portion (A3) and a fourth shared linear portion (A4) located on the other end side, a first bent linear portion (21a) coupled with the first and third shared linear portions, a second bent linear portion (22a) coupled with the third and second shared linear portions, a third bent linear portion (23a) coupled with the second and fourth shared linear portions, and a fourth bent linear portion (24a) coupled with the fourth and first shared linear portions. Two out of the four bent linear portions have the same number of bends and substantially the same form at the time of inversion, and the other two out of the four bent linear portions have the same number of bends which is different from the number of bends of the above-mentioned two bent linear portions and substantially the same form at the time of inversion.</p> |
