| 摘要 |
PROBLEM TO BE SOLVED: To provide a continuous drug solution injector capable of making drug solution flow out at a constant rate of flow up to the last, with a very little residual amount. SOLUTION: An inner bag 30 for filling drug solution 31 is disposed in an elastic bag 20, which is provided with drug solution inlet 40 communicating with the inside of the inner bag 30, and fluid 23 is filled in the gap between the inner bag 30 and the elastic bag 20. Alternatively, a drug solution port 40 is provided in the elastic bag 20 for filling chemicals 31, and a core having a volume greater than the content volume of the elastic bag 20 in its free state is disposed. |
