| 摘要 |
PROBLEM TO BE SOLVED: To solve the following problem that, though a plunger can be moved in steps relative to a cylinder by engagement/disengagement action between a projecting part formed in the cylinder and a projecting part formed in the plunger, an easy and accurate injection cannot be performed because the administration of a prescribed amount of a liquid medicine while seeing graduations is difficult, easily allows to cause an individual difference by the skill of a person performing the injection, and requires circumspection for the operation thereof.SOLUTION: A discharge container includes a piston moving in steps relative to a container, wherein the piston is composed of a plurality of pistons, and engagement parts performing engagement along with the movement of the respective pistons are provided between the respective pistons. |
