| 摘要 |
PURPOSE: A microneedle apparatus is provided to store various kinds of fluid like drug or cosmetics and to selectively transfer the fluid into the skin. CONSTITUTION: A microneedle apparatus comprises a microneedle head(10), a fluid storing unit(31), a fluid chamber(20), and a fluid selecting unit(30). In the microneedle head, a plurality of microneedles(13) are installed. The fluid storing unit is installed in the upper part of the microneedle head and is equipped with at least two divided fluid cells. The fluid chamber is formed between the microneedle head and fluid storing unit. The fluid selecting unit makes the fluid of the fluid cell of the fluid storing unit supplied to the fluid chamber. |
