PROBLEM TO BE SOLVED: To provide a percutaneous absorption device facilitating the handling.SOLUTION: A percutaneous absorption device 1 comprises: a microneedle 11 including a base plate 111 having a first surface 1111, a second surface 1112 in an opposite side of the first surface, and projections 112 formed on the first surface of the base plate； a pressure-sensitive adhesive tape 12 including an adhesive layer 121 having an exposed area in a surface stuck to the second surface, and a base material tape 122 formed on a surface of the adhesive layer in an opposite side of the surface that is stuck to the second surface； and a puncture assist member 13 including a support body 131, and an easy-adhesion layer 132 for fixing the support body to the base material tape.SELECTED DRAWING: Figure 1【課題】取り扱いの容易な経皮吸収デバイスを提供する。【解決手段】経皮吸収デバイス１は、第１面１１１１及び前記第１面とは反対側の第２面１１１２を備える基板１１１と、前記基板の前記第１面に形成されている突起部１１２とを備えるマイクロニードル１１と、前記第２面と貼り合わされている面において露出した領域を備える粘着層１２１と、前記第２面と貼り合わされている面とは反対側の前記粘着層の面に形成されている基材テープ１２２とを備える粘着テープ１２と、支持体１３１と、前記支持体を前記基材テープに対して固定する易接着層１３２とを備える穿刺補助部材１３と、を備える。【選択図】図１
