| 摘要 |
<p>The puncturing of microneedles in a living body is eased. Microneedle (121) comprises longitudinally arranged first end portion (121a) and second end portion (121b) comprised of a biocompatible material, wherein the first end portion (121a) tapers from one end on the side of second end portion (121b) toward the other opposite end, and wherein the first end portion (121a) has a maximum apex angle ranging from 9° to 53°.</p> |
