| 摘要 |
<p>A micro-needle roller structure is provided, in which the collagen is more effectively reproduced in the dermal layer. A micro-needle roller(300) comprises: a roller shaft in which the outlet connected to the discharge hole at the outer side is punched and the discharge hole is formed along the axis as the axis of rotation of the micro-needle roller; a handle(100) fixing both ends of the roller shafts; an ample insertion space formed inside the handle; and a medicine discharging unit which is built in the handle and discharges the medicine to the outside of the micro-needle roller through the ampoule material outlet(310).</p> |
