| 摘要 |
PROBLEM TO BE SOLVED: To provide a percutaneous administration device and a percutaneous administration device housing body which can be easily handled when used.SOLUTION: A microneedle unit 10 includes: a microneedle 20 having projection parts 21 for forming a passage to which a substance to be administered is administered in the skin, and a substrate 22 having a support surface 22a for supporting the projection parts 21 and a surface 22b to be supported, which is a surface opposite to the support surface 22a; an adhesive sheet 30 having an adhesive surface 30a including a first adhesive part and a second adhesive part surrounding the first adhesive part, in which the surface 22b to be supported is bonded to the first adhesive part; and a lid part 40 that covers the microneedle 20 and is bonded to the second adhesive part.SELECTED DRAWING: Figure 1 |
