Even when the content liquid remaining in the hollow portion in the head, by performing the removal operation for dropping the body portion in the content liquid that remained shaking the plastic ampule before use, and removal of the liquid content of the remaining It is easily possible, the handling of the opening at the time to provide a suitable plastic ampule. Includes a head portion 6 that is connected to and extends through the portion 10 and disconnect main body, the mouth portion 3 of the body portion, and a knob portion 9 formed continuously to the head portion 6, with a finger grip portion 9 In the plastic ampule to be opened separately from the mouth 3 the head 6 by twisting, to form the bowl-shaped hollow portion 8 of the head 6. By forming the bowl-shaped hollow section 8, the solution is difficult to scatter While it is possible to drain easily content liquid remaining in the hollow portion 8 and remains in the hollow portion 8 when opening and facilitates the opening . [Selection Figure Figure 4頭部内の中空部に内溶液が残存した場合であっても、使用前にプラスチックアンプルを振って残存した内容液を本体部内に落下させる除去操作を行うことによって、残存した内容液の除去が容易に可能であり、開封時の取り扱いが好適なプラスチックアンプルを提供する。本体部と、該本体部の口部3に切り離し部10を介して連設された頭部6と、該頭部6に連設された摘み部9と、を備え、摘み部9を指で捩じることにより頭部6を口部3から切り離して開封するプラスチックアンプルにおいて、頭部6内の中空部8をおわん形に形成した。中空部8をおわん形に形成したことにより、中空部8に残存した内容液を容易に排液することができると共に、開封し易く且つ開封時に中空部8に残存する内溶液が飛散し難くなる。【選択図】図4
