PROBLEM TO BE SOLVED: To provide a stent graft which can be easily detained in a blood vessel.SOLUTION: A stent graft 10 is formed into a tube shape which defines a channel where a blood flow can pass and comprises: a skeleton part 11 which can be shrunk to inside of a radial direction and can be expanded to outside of a radial direction and a coating part 12 provided along the skeleton part. The stent graft 10 can be deformed from a shrunk state in which the skeleton part 11 is shrunk, to an expanded state in which the skeleton part 11 is expanded and the channel is defined by the coating part 12. The stent graft 10 comprises in the expanded state: a recess part 13 in which, a part of an outer peripheral surface becomes dent to the inside of the radial direction and a cylindrical opening part 14 extending from a prescribed position in the recess part 13 to outside of the radial direction.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】血管内への留置が容易であるステントグラフトを提供すること。【解決手段】ステントグラフト10は、血液流が通過可能な流路を画成する管形状を有し、径方向内側への収縮及び径方向外側への拡張が可能な骨格部11と、骨格部に沿って設けられた皮膜部12と、を備える。ステントグラフト10は、骨格部11が収縮した収縮状態から、骨格部11が拡張して皮膜部12によって流路が画成された拡張状態へ、変形可能である。ステントグラフト10は、拡張状態において、外周面の一部が径方向内側に窪んだ凹部13と、凹部13内の所定位置から径方向外側に向けて延びる筒状開口部14と、を有する。【選択図】図2
