| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an instrument for expanding biological organ, with which a break around the opening part of a sheath or lowering in operability does not occur. SOLUTION: An instrument 1 for expanding biological organ is composed of a main body part 21 of shaft, expanding balloon 3, stent 4, catheter 10 for expansion provided with a guide wire lumen 15 opening one terminal on the top end of the main body part 21 of shaft and opening the other terminal on the intermediate part of the main body part 21 of shaft, and sheath 5 having a side hole 51 for inserting a guide wire, and is produced so that a side hole forming portion 52b of the sheath 5 can become higher rigidity than a top end part 52a of the sheath 5.</p> |
