| abstract |
Transdermal therapeutic system (TTS) for dispensing pharmaceutical active substances, comprising a cover layer (7) and at least one support material (1) containing active substance, being between the support material containing active substance and the drug layer. cover at least one retention element with which the support material containing active substance is immobilized against the cover layer, characterized in that the therapeutic active substances have a cationic structure and the support material is impregnated with liquid, the element of retention is the side of the hooks of an elongated segment of a barbed tape and the shape of the elongated bark tape is adapted to the shape of the support material (1) containing active substance. |