| 摘要 |
PROBLEM TO BE SOLVED: To easily prevent the injection of liquid medicines in a cartridge with a simple structure. SOLUTION: A first flange 10 extending in an outer diameter direction is disposed in the rear end part of a cylinder 3 having a hollow needle 2 to the tip part of which a needle 1 is attached and which projects inward from the tip part. Besides, a second flange 11 extending in the outer diameter direction is disposed in the rear end part of the nearly cylindrical glass cartridge 4 for storing the liquid chemicals 7 or the like by a stopper body 5 and a plunger 6 attached to the tip part of a rod 8. |
