| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catheter capable of enhancing treating effect by changing a medicine administrative area corresponding to the progression of a necrosis even without doing frequent diagnoses and discharging outlet changing operation. <P>SOLUTION: The catheter 1 has an elongate skeleton part 2 having a lumen, and a plurality of blanching parts 3 having sub lumens of which base ends is connected to the skeleton part 2 and which are in communication with the lumen of the skeleton part 2 respectively, openings 4 in communication with the sub lumens, and biased such that front ends spread. The force biasing the branching parts 3 is weaker than the force needed for the front ends of the branching parts 3 to spread while deforming a living tissue but is greater than the force needed for the front ends of the branching parts 3 to spread in the cavity in the living tissue or in the flowing body. <P>COPYRIGHT: (C)2012,JPO&INPIT |
