| 摘要 |
Provided is a stent that can be easily indwelled in a blood vessel in a state of allowing a catheter to protrude toward the inside of an aneurysm. The stent, which is to be used for treating an aneurysm (1), comprises: a tubular stent body (10) provided with a plurality of insertion parts (11), said insertion parts (11) being formed in the circumferential wall and allowing the insertion of a catheter (7) thereinto; and valve elements (20) respectively installed in the insertion parts (11), said valve elements (20) opening when the catheter (7) is inserted into the insertion parts (11), and closing when the catheter (7) is drawn out from the insertion parts (11) so as to prevent the outflow of a coil (9) placed in the aneurysm (1) to the blood vessel (3). |
