| 摘要 |
PURPOSE:To provide a catheter capable of recovering a repairative material even if the reparative material gets inconvenient on the way of being pushed out and further separating simply the repairative material when a desired spot is filled properly with the repairative material. CONSTITUTION:A catheter is provided with a hollow catheter body 11, a guide cable 12 for pushing a repairative material 20 made of a shape memory alloy inserted from one end of the catheter body and stretched linearly out of the other end and a heating means 14 for heating the repairative material at the other end of the catheter body to recover the shape of the repairative material. A connection part 13 formed of a shape memory alloy is provided on the tip of the guide cable and heated by the heating means to recover the shape and separate the repairative material connected to the connection part. |
