| 摘要 |
Provided is a shaft capable of suppressing a permanent set even when inserted into an extremely winding blood vessel, and a guidewire employing the shaft. A shalt 10 is twisted along a longitudinal direction N, having a cross section taking the form of an approximately rectangular shape in a direction vertical to the longitudinal direction N. Moreover, the cross section has a recess 14 recessed arcuately. |
