JPWO2022044488A5 - - Google Patents

Claims (6)

A tube formed of a resin material, having a distal end and a proximal end, and having a first part, a second part, and a third part in order from the distal end in the longitudinal direction, wherein the first part a first edge at the proximal end of the second portion, a second edge at the proximal end of the second portion;
The thickness of the proximal end of the first part is thicker than the thickness of the distal end of the second part,
The thickness of the second portion is tapered from the distal end to the proximal end ,
The tubular stent, wherein the wall thickness of the distal end of the third section is less than the wall thickness of the proximal end of the second section. 2. The tube stent according to claim 1, wherein there are a plurality of said second portions in the longitudinal direction. 3. The tube stent according to claim 1 or 2, wherein the first edge and the second edge are provided all around the outer surface of the tube. The tube stent according to any one of claims 1 to 3, wherein the difference between the maximum outer diameter and the minimum outer diameter of the tube is 30% or less. The outer diameter of the proximal end of the first part or the outer diameter of the proximal end of the second part is the maximum outer diameter, and the outer diameter of the distal end of the first part or the outer diameter of the distal end of the second part is The tube stent according to any one of claims 1 to 4, wherein the outer diameter is the minimum outer diameter. 1. An outer diameter at any point of said third section is the largest outer diameter, and an outer diameter at the distal end of said first section or at the distal end of said second section is the smallest outer diameter. 5. The tube stent of any one of claims 1-4.