| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new percutaneous administration apparatus, more specifically, to provide a percutaneous administration apparatus having micro-protrusions for a percutaneous drug delivery system (DDS). <P>SOLUTION: The percutaneous administration apparatus 1 is provided with a substrate 2 and a plurality of protrusion parts 3 provided on the substrate. The main component of the protrusion part is a sugar or biodegradable polymer, and the height of the protrusion part is 10 μm to 3 μm. The tip of the protrusion part is flat, round, or flat and furthermore having a plurality of microprotrusions. Even if the protrusion parts do not penetrate the inside of a stratum corneum, only when the skin can be stretched, protection property of the skin can be degraded, so that a compound such as cosmetic, medicine, sugars stuck to or included in the protrusions can be administered. <P>COPYRIGHT: (C)2007,JPO&INPIT |
