Transdermal delivery system (TDS) with electrode network

US7383083B2 · kind B2 · utility

Assignee

• Novosis Pharma AG · DE

Inventors

• Wilfried Fischer · Holzkirchen, DE
• Ruediger Haas · Heidelberg, DE
• Clifton Zimmermann · Karlsruhe, DE

Key dates

• Filing date: Apr 8, 2004
• Grant date: Jun 3, 2008
• Expiry date: May 22, 2024

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61N1/0448
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A transdermal delivery system (TDS) having: a carrier layer (cover layer) impermeable to the substances/active ingredients to be delivered, a membrane permeable to the substances/active ingredients to be delivered, a reservoir containing substances/active ingredients to be delivered, the reservoir being provided between the carrier layer and the membrane; and a removable film, wherein the carrier layer and the membrane comprise electrodes such that the electrode(s) of the membrane serve(s) as counterelectrode(s) to the electrode (the electrodes) of the carrier layer, is disclosed.