Microneedle

摘要

The present invention provides a microneedle, said microneedle smoothly stabbing into the skin of a patient and, therefore, being highly safe and convenient and enabling painless administration of a definite drug, and a microneedle array. A microneedle and a microneedle array, said microneedle comprising a pyramidal base part and a tip part located thereon, wherein the vertical angle of the tip is in the range of 15-60