Stent manufacturing method thereof and indwelling method thereof

摘要

A stent is reversibly deformable between a lower-temperature shape and a higher-temperature shape in accordance with temperature changes in a patient's body. The stent has a hollow cylindrical body formed by a plurality of braided filament bodies made of a Ti-Ni alloy of excessive Ni. A lower-temperature shape memorizing process and a higher-temperature shape memorizing process are conducted to the hollow cylindrical body to memorize the lower-temperature and higher-temperature shapes, respectively. The crossing filament bodies are fixed only at the ends of the stent.