Occlusive patch with flexible backing

The present invention relates to a transdermal therapeutic system comprising a backing layer, an occlusive layer and at least one pharmaceutically active ingredient, the occlusive layer comprising at least one occlusive adhesive component based on at least one polyisobutylene and at least one styrene block copolymer, as well as such a system for use as a medicament. 本发明涉及透皮治疗系统以及用作药物的这种系统，所述透皮治疗系统包括背衬层、闭塞层和至少一种药物活性成分，其中所述闭塞层包含至少一种基于至少一种聚异丁烯和至少一种苯乙烯嵌段共聚物的闭塞性粘合剂组分。