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Details for Patent: 5,246,418

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Summary for Patent: 5,246,418

Title: Iontophresis system having features for reducing skin irritation
Abstract:An iontophoresis drug delivery system includes a device which is attachable to the skin of an animal and having a drug reservoir, an electrolyte reservoir, and electrodes electrically communicating with the reservoirs and with the skin of the animal. An electronic circuit for controlling the rate or amount of current or voltage applied to the electrodes of the device includes a constant voltage and current generator, and a switching circuit for switching between applying either a constant current to the electrodes or a constant voltage. Current and voltage sensors are attached to the electrodes and provide feedback signals which are compared with predetermined threshold signals to control through feedback the amount of constant voltage and constant current applied to the electrodes.
Inventor(s): Haynes; John L. (Chapel Hill, NC), Sage, Jr.; Burton H. (Raleigh, NC)
Assignee: Becton Dickinson and Company (Franklin Lakes, NJ)
Application Number:07/808,754
Patent Claim Types:
see list of patent claims
Delivery; Compound; Use; Device;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Vyteris
LIDOSITE TOPICAL SYSTEM KIT
epinephrine; lidocaine hydrochloride
PATCH;IONTOPHORESIS, TOPICAL021504May 6, 2004DISCNNo5,246,418<disabled>YY
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International Patent Family for Patent: 5,246,418

Country Document Number Publication Date
United States5256137Oct 26, 1993
Japan2026059Feb 26, 1996
Japan5245214Sep 24, 1993
Japan7061365Jul 05, 1995
European Patent Office0547482Jun 23, 1993
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