PROBLEM TO BE SOLVED: To provide a syringe aid that is small and has a good operability, and also has versatility of being incorporated in a general purpose syringe and enabling simple use, and further is hard to fall off from the syringe, and thereby has high reliability.SOLUTION: A syringe aid includes: an aid body 11 incorporated in a rod 23 of a syringe, and formed in a size and shape disposed in a gap generated between the rod 23 and the inner circumferential surface of a syringe 21 when entering the inside of an inner space of the syringe 21 together with the rod 23 and a stopper 13 retractably provided from the surface to the aid body 11, pushed in the inside of the aid body 11 when entering the inside of the inner space of the syringe 21 together with the rod 23, and pushed out from the surface of the aid body 11 when exposed from the inner space of the syringe 21.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】小形で良好な操作性を有することは勿論、汎用の注射器に組み込んで簡易に使用することができる汎用性を備え、しかも注射器から脱落しにくく高い安定性を有する注射器用補助具を提供する。【解決手段】注射器のロッド23に組み込まれ、ロッド23とともにシリンジ21の内部空間内へ入り込んだとき、ロッド23とシリンジ21の内周面との間に生じる隙間に配置される寸法形状に形成された補助具本体11と、補助具本体11に表面から出没自在に設けられ、ロッド23とともにシリンジ21の内部空間内へ入り込んだとき補助具本体11内に押し込められ、シリンジ21の内部空間から露出したときは補助具本体11の表面から突き出すストッパー13と、を備えている。【選択図】図2
