CATHETER

摘要

A catheter is configured to be introduced into and indwelled in a body lumen. The catheter includes a lumen and a deformable region that extends parallel to the lumen of the catheter in an axial direction. The catheter is bendable. The deformable region is configured to be located on an inner side of a curved section when the catheter is bent. At least a portion of an outer surface of the catheter is covered with a surface lubricating layer. A less lubricious portion is on the outer surface of the catheter at the deformable region. The less lubricious portion is less lubricious than the surface lubricating layer, and the surface lubricating layer and the less lubricious portion are disposed at the same position in the axial direction of the catheter.

主权项

1. A catheter configured to be introduced into and indwelled in a body lumen, the catheter comprising:
a lumen extending in an axial direction; a deformable region extending parallel to the lumen of the catheter; the catheter being bendable and possessing a curved section when being bent, the curved section possessing an inner side; the deformable region being located on the inner side of the curved section when the catheter is bent to form the curved section; a portion of an outer surface of the catheter being covered with a surface lubricating layer; the outer surface of the deformable region including a less lubricious portion, the less lubricious portion being less lubricious than the surface lubricating layer on the portion of the outer surface; and the portion of the outer surface covered with the surface lubricating layer and the less lubricious portion of the deformable region being at the same axial position in the axial direction of the catheter.