Transdermal delivery system (TDS) with electrode network

US6757560B1 · kind B1 · utility

Assignee

• Novosis Pharma AG · DE

Inventors

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

Key dates

• Filing date: Oct 10, 2000
• Grant date: Jun 29, 2004
• Expiry date: Feb 5, 2021

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 each of the carrier layer and the membrane comprise one or more electrodes such that the electrode(s) of the membrane serve(s) as counter electrode(s) to die electrode (the electrodes) of the carrier layer, is disclosed.