| 摘要 |
The invention for penetrating a biological barrier provides a flexible substrate 3 having a first side 4 and a second opposing side 8 and a plurality of micropenetrator arrangements 10, each comprising a head 12 and first and second projections 14, 16 extending from the head. The first and second projections extend at least partially through the flexible substrate towards the first side. The head comprises an elongate arm for spacing apart the first and second projections. The micropenetrator may be a single bent element, or a cross structure providing third and fourth projections (see figure 2a). A supplementary or carrier layer 6 may be provided on the second side. The projections may be curved (see figure 8a). A force is applied to the second side causing flexing of the flexible substrate and pushing the projections into communication with a biological barrier. The device may be used for a variety of purposes such as cosmetic, scar treatment or for the delivery of active agents. |
