Transdermal therapeutic system containing elongate hollow bodies
AssigneeLTS Lohmann Therapie-Systeme AG
InventorStephan Maier
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Abstract
The invention relates to a transdermal therapeutic system for applying an active ingredient or several active ingredients to the skin. Elongate hollow bodies are incorporated into one of the layers of the TTS, said hollow bodies containing a filling medium or several filling mediums. The invention also relates to the production and use of said type of systems.
Claims20
A transdermal therapeutic system comprising a backing that is impermeable to the active substance(s), a layer containing the active substance(s) or several layers containing the active substance(s), optionally a detachable protective layer, with at least one of the layers containing the active substance(s) having elongated hollow bodies provided with a filler or several fillers, characterized in that the filler or fillers can be released from the hollow bodies by changing the structure of the latter.
Dependencies are inferred from the claim text.