PROBLEM TO BE SOLVED: To provide a percutaneous administration device and medicament administration instrument capable of smoothly administering a medicament.SOLUTION: A percutaneous administration device 10 includes: a cylindrical base body 21 for passing a medicament, the base body 21 having a support surface 21S at one of two cylindrical ends of the base body 21 a projection part 22 projecting from the support face 21S, the projection part 22 formed with a through-hole 23 which penetrates through the projection part 22 in an extension direction of the projection part 22 and is communicated with an internal space of the base body 21 and an elastic member 30 located on the support face 21S, the elastic body having tackiness.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】薬剤を円滑に投与することのできる経皮投与デバイスおよび薬剤投与器具を提供する。【解決手段】経皮投与デバイス10は、薬剤を通す筒状の基体部21であって、当該基体部21における2つの筒端の一方に支持面21Sを有する基体部21と、支持面21Sから突き出た突起部22であって、突起部22の延びる方向に当該突起部22を貫通して基体部21の内部空間に連通する貫通孔23が形成されている突起部22と、支持面21Sに位置し、粘着性を有した弾性体である弾性部材30とを備える。【選択図】図2
