MICRONEEDLE PATCH AND PROCESS FOR PRODUCING THE SAME

摘要

[PROBLEMS] To provide a microneedle patch that without reaching of the distal end of needles to the dermis, can attain puncturing so as to allow administration of medicine, such as a vaccine material, through the puncture, and provide a process for producing the same. [MEANS FOR SOLVING PROBLEMS] There is provided a microneedle patch comprising sheet patch part (1) and, integrally superimposed on the rear surface thereof, multiple microprotrusion needles (2), so that while sticking the rear surface of the patch part (1) to the skin of a patient, there can be attained puncturing of the skin with needles (2), wherein the needles (2) have a dimension of length (t) from its proximal end to distal end ranging from about 50 to 100 µm.