| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for injecting contrast medium that enables to exchange speedily a medium for an appropriate one of which density, viscosity and so on are different and inject when a contrast medium are injected into a rectum through a catheter for rectum. SOLUTION: Plural cases 7 in which contrast mediums that have different density and viscosity are filled are connected with each head of tubes 8a and 8b for injecting contrast medium. A pump of roller 2, which has rollers around it that push contrast mediums A or B into the tubes 8a or 8b and close the tubes 8a or 8b when it is not working, is settled. Each head of tubes 8a and 8b is connected with each other between the pump and the head of a main body of a catheter for rectum as they can be one line. Then, the heads as in one line is made to be opened inside main body 12 of the catheter for rectum so as to exchange contrast mediums A and B easily and speedily. |
