| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a balloon catheter assembly which ensures that an operator is prevented from touching the balloon with a drug coated thereon for reliable delivery of the balloon to a lesioned part.SOLUTION: A balloon catheter assembly 10 comprises a shaft body 12 having a tip end to which a balloon 14 with a drug coated on the surface is attached, the balloon 14 having an outer peripheral side being mounted with a cylindrical sleeve 20. For delivery of the balloon 14 to a lesioned part, a recovery tool 22 is disposed between the sleeve 20 and a guiding catheter 58, and the sleeve 20 is moved radially while being rotated together with the shaft body 12, causing the balloon 14 to move from the sleeve 20 to the inside of the guiding catheter 58, so that at the same time the sleeve 20 begins to be split off from the tip end side by a projection part 52 and the split piece 66 of the sleeve is collected into a recovery box 50 of the recovery tool 22.</p> |
