| 摘要 |
<P>PROBLEM TO BE SOLVED: To simply carry out evulsion of a fistula catheter. <P>SOLUTION: The evulsion auxiliary tool 10 of the fistula catheter has a cylindrical member 11. The inner diameter of the cylindrical member 11 is larger than the outer diameter of the tube 2 of the fistula catheter 1 but smaller than the outer diameter of the bumper 3 of the fistula catheter 1. In addition, the outer diameter of the cylindrical member 11 is smaller than a fistula W3. The length of the cylindrical member 11 is longer than the fistula W3. When the cylindrical member 11 is inserted to the fistula W3, the side of a proximal end part 12 is left outside of the body. When the tube 2 is pulled in the state of inserting the distal end 14 of the cylindrical member 11 into the lumen of the gaster, the bumper 3 is deformed in a diameter reduction direction by the distal end 14. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
