| 摘要 |
PURPOSE: A non-cylindrical stent is provided to be restored in an original shape even though an external force is applied to the stent. CONSTITUTION: A non-cylindrical stent comprises a tapered surface(2) which is formed in the shape of a flat board. When a guide rod(5) is pulled while a thin plate body(1) is reeled, the tapered surface touches the end of a tube and is inserted into the tube and the thin plate body is inserted into the tube while maintaining a winding state.
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