| 摘要 |
A hollow elongated body (1) that is inserted inside the body and comprises, on one end section (1ap) of the hollow elongated body (1), an expansion section (1ep) that expands in the radial direction of the hollow elongated body (1). The hollow elongated body (1) is characterized by comprising, on the expansion section (1ep), a blood clot severing member (2) that severs blood clots. |
