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An electrically powered iontophoretic delivery device is provided. The device includes a pair of electrode assemblies (41, 43) and a source of electrical power (30) connected thereto. Circuitry (60) is provided including an activation circuit (62) and a power generating circuit (70). Before use, nei...

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Bibliographische Detailangaben
Hauptverfasser:	BADZINSKI, JOHN, D, MCNICHOLS, LARRY, A
Format:	Patent
Sprache:	dan
Schlagworte:	BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY ELECTRICITY ELECTROTHERAPY HUMAN NECESSITIES HYGIENE MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PULSE TECHNIQUE RADIATION THERAPY ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	An electrically powered iontophoretic delivery device is provided. The device includes a pair of electrode assemblies (41, 43) and a source of electrical power (30) connected thereto. Circuitry (60) is provided including an activation circuit (62) and a power generating circuit (70). Before use, neither the power generating circuit (70) nor the activation circuit (62) draw current from the power source (30). When the device is placed on the body (50) and electrical contact is established between the two electrode assemblies (41, 43), the activation circuit (62) is closed causing the power generating circuit (70) to be activated, thereby activating the device. The circuitry (60) improves the shelf-life of the device by minimizing current drain from the battery (30) before use.