| 摘要 |
PROBLEM TO BE SOLVED: To provide a microneedle device which can efficiently administer a medical agent, enables an excellent application of the medical agent to a microneedle by an easy method, and can be manufactured by an easy method for manufacture.SOLUTION: A microneedle device includes a base material and a microneedle that is formed on the base material and includes a cone structure capable of puncturing a skin. The microneedle has a cross-sectional area increasing face formed in a part where the rate of an increase in a cross-sectional area parallel to the surface of the base material increases discontinuously from the tip to the base. |
