A method and apparatus for mechanically disrupting a layer of skin having a known thickness without substantially disrupting underlying dermis layers below the layer of skin in question so as to facilitate the delivery of compounds across the disrupted layer. The apparatus includes a cutter having a...http://www.google.fr/patents/US5879326?utm_source=gb-gplus-shareBrevet US5879326 - Method and apparatus for disruption of the epidermis
Method and apparatus for disruption of the epidermis
