indwelling aid and fistula catheter used in the fistula catheter

摘要

To provide a catheterization aid used in a fistula catheter, which stabilizes the holding of the components that form a bumper-shaped part affixed inside the body. A catheterization aid comprises a tip-side holder, on the tip side of which a cylindrical body is formed, which holds one end in the axial direction of a part affixed inside the body into which the cylindrical body is inserted; and a base-side holder, which is formed closer to the base side than the tip-side holder, which holds the other end in the axial direction of the part, affixed inside the body into which the cylindrical body is inserted such that it can move in the axial direction on the outer circumferential surface.