| 摘要 |
Provided is a catheter that can be easily manufactured. The catheter 1 is provided with: a catheter tube 11 having a flexible tip portion 11A that includes an inside tube (first tube 61) and a plurality of divided tube members 620-625 which are arranged on the outer peripheral side of the inside tube and are separate from each other; one or a plurality of metal rings arranged on the flexible tip portion 11A; one or a plurality of temperature sensors arranged in correspondence with the metal rings; and a handle 12 mounted on the base end side of the catheter tube 11. The ratio of the thickness of the metal rings with respect to the outer diameter of the metal rings is 7.5% or greater. The flexible tip portion 11A is configured such that the metal rings and the plurality of divided tube members 620-625 are respectively fitted to each other in a row in the axial direction of the catheter tube 11 on the outer peripheral surface of the inside tube. |
