| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catheter with superior productivity which can measure shape and size of construction and which is difficult to buckle. <P>SOLUTION: The tube-shaped catheter 20 is provided with a fluorine resin layer 22 forming an internal circumference, a reinforcing body 23 disposed at least at a distal end of the fluorine resin layer 22, a coil 24 disposed at the distal end 21 outer periphery of the fluorine resin layer 22, and a resin layer 25 disposed in the outermost periphery. The coil 24 is composed of a radiation impermeable wire material wound around in such a manner that it has narrow pitched portions A and wide pitched portions B and more than two narrow pitched portions A are arranged in the predetermined interval. <P>COPYRIGHT: (C)2007,JPO&INPIT |
