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    • 5. 发明授权
    • Dermal delivery device with in situ seal
    • 具有原位密封的真皮输送装置
    • US08747888B2
    • 2014-06-10
    • US13553362
    • 2012-07-19
    • Agis KydonieusRobert G. ConwayThomas M. Rossi
    • Agis KydonieusRobert G. ConwayThomas M. Rossi
    • A61F13/00A61L15/16A61K9/70
    • A61K9/7061A61F2013/00646A61K9/7084A61K31/566A61K31/567A61K31/568A61K31/573A61K47/14A61K47/20
    • This invention relates to a transdermal drug delivery device that comprises an active ingredient (AI) layer, having a skin contacting surface and a non-skin contacting surface and comprising a volatile component, a release liner impermeable to the volatile component adjacent the skin contacting surface of the AI layer having a perimeter that extends beyond the perimeter of the AI layer in all directions, and an overlay comprising a pressure sensitive adhesive (PSA) that does not absorb the volatile component adjacent the non-skin contacting surface of the Al layer having a perimeter of which extends beyond the perimeter of the AI layer in all directions, wherein the release liner and the PSA of the overlay are in contact with and adhered to each other around the perimeter of the AI layer to form a seal that reduces or prevents volatile component loss.
    • 本发明涉及一种透皮药物递送装置,其包含活性成分(AI)层,其具有皮肤接触表面和非皮肤接触表面,并且包含挥发性成分,不透过与皮肤接触表面相邻的挥发性成分的剥离衬垫 的AI层具有在所有方向上延伸超出AI层的周边的周边,以及覆盖层,其包含不吸收与Al层的非皮肤接触表面相邻的挥发性组分的压敏粘合剂(PSA),所述粘合剂 其周边在所有方向上延伸超出AI层的周边,其中覆盖层的剥离衬垫和PSA与AI层的周边相互接触并且彼此粘附以形成密封,以减少或防止 挥发性成分损失。