PROBLEM TO BE SOLVED: To provide a medicine injection tool that can be used in a preferable hygienic state.SOLUTION: A medicine injection tool for injecting flowable medicine into a body comprises: a long-sized insertion part 32 to be inserted into the body from a side of one end thereof； and a storage container 31 in which flowable medicine is stored, the storage container having an opening part 34 connectable to the other end of the insertion part 32. The insertion part 32 comprises: a medicine flow passage part 38, formed inside the insertion part, through which flowable medicine pushed out from the storage container 31 is led； and a medicine discharge hole 43 making the medicine flow passage part 38 communicate with the outside. The medicine flow passage part 38 has an opening end 39 that is open at the other end of the insertion part 32. The opening end 39 of the medicine flow passage part has at least one or more acute protrusions 40 and is configured to be capable of being implanted in a lid part 35 provided at the opening part 34 of the storage container.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2020,JPO&INPIT【課題】好ましい衛生状態で使用することができる薬剤注入器具を提供する。【解決手段】体内に流動性薬剤を注入する薬剤注入器具であって、一方端側から体内に挿入される長尺状の挿入部３２と、挿入部３２の他方端部に接続可能な口部３４を有し、流動性薬剤が貯留される貯留容器３１とを備えており、挿入部３２は、内部に形成され、貯留容器３１から押し出された流動性薬剤が導かれる薬剤流路部３８と、薬剤流路部３８及び外部を連通する薬剤吐出孔４３とを備えており、薬剤流路部３８は、挿入部３２の他方端部で開口する開口端部３９を備えており、薬剤流路部の開口端部３９は、少なくとも１以上の尖鋭な突起部４０を備え、貯留容器の口部３４に設けられる蓋部３５に対して刺入可能に構成されている薬剤注入器具とする。【選択図】図４
