MICRONEEDLE DEVICES AND MICRONEEDLE DELIVERY APPARATUS

摘要

Microneedle devices (10) with microneedles (30) having a truncated taperedshape are disclosed. The microneedles of microneedle devices may also have acontrolled aspect ratio. Microneedle delivery apparatus are disclosed thatinclude drivers designed to deliver microneedles at velocities that mayenhance perforation of the stratum corneum while limiting the sensation ofpain experienced at the delivery site.