| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve a fistula catheter provided with an intracorporeal fixed part B with minimal invasion into the wall of the alimentary canal. <P>SOLUTION: In a fistula catheter 1 having a catheter part A and an intracorporeal fixed part B, the intracorporeal fixed part B is provided with an inner tube 10 and an outer tube 20 which is provided on the outside of inner tube 10. The inner tube 10 and the outer tube 20 are configured with belts 12, 22 formed by dividing the tube wall a plurality of times in the circumferential direction, and have wing parts 13, 23 having sections that extend outwards radially. The respective wing parts 13, 23 of the inner tube 10 and the outer tube 20 are provided in corresponding positions in the axial direction and are also alternately disposed along the circumferential direction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
