DEVICE AND METHOD FOR IONTOPHORETIC DRUG DELIVERY

PROBLEM TO BE SOLVED: To develop a preferably pressure-sensitive-adhesive active electrode element which adapts to an active agent such as a medicine and a chemical medicine and also can minimize deterioration of the active agent while keeping an electrode device. SOLUTION: The device for iontophore...

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Hauptverfasser:	PHIPPS JOSEPH BRADLEY, JEVNE ALLAN H, HOWLAND WARREN W, HOLMBLAD CAROLANN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR DYES ELECTROTHERAPY HUMAN NECESSITIES HYGIENE MAGNETOTHERAPY MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES RADIATION THERAPY THEIR PREPARATION OR CHEMICAL WORKING-UP ULTRASOUND THERAPY USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To develop a preferably pressure-sensitive-adhesive active electrode element which adapts to an active agent such as a medicine and a chemical medicine and also can minimize deterioration of the active agent while keeping an electrode device. SOLUTION: The device for iontophoretic therapy has a two-layer active electrode element (20). The active element is composed of an overlapping skin contact hydrogel layer (21) and a carrier layer (22). The carrier layer contains a dispersed or dissolved active agent. The active electrode element maintains the active agent in a stable form and permits efficient transport of the active agent to a host. Also, an iontophoretic device having a single layer active agent is disclosed. The single layer is a hydrogel as manufactured or substantially dry and capable of being hydrated before use. The skin contact hydrogel of the two-layer active electrode element is preferably adhesive. COPYRIGHT: (C)2005,JPO&NCIPI