| 摘要 |
PROBLEM TO BE SOLVED: To achieve quick and easy progress and withdrawal of a catheter. SOLUTION: This catheter is equipped with a catheter shaft 401 and an expansion catheter 412. The expansion balloon 412 has an outer layer 430 which has plural openings 428 (for releasing a drug) and an inner layer. The catheter shaft 401 is equipped with a first lumen 407, a second lumen 405 communicated with the inner layer, and a third lumen 406 to house a guide wire 418. The third lumen 406 has a first opening at the tip end 419 and a second opening 417. Thereby the guide wire 428 is placed in the catheter shaft 401 only in between the first opening and the second opening 417. A stent 440 and deployment means thereof are equipped on the tip end part of the catheter shaft 401. |
