U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Iontophoresis device

Patent 4474570 Issued on October 2, 1984. Estimated Expiration Date: Icon_subject July 8, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Monitoring and stimulation electrode
Patent #: 4274420
Issued on: 06/23/1981
Inventor: Hymes

Electrically conductive, visco-elastic gel and its use in electrode
Patent #: 4299231
Issued on: 11/10/1981
Inventor: Karmann ,   et al.

Electroconducting cast forming a cutaneous electrode for applying electrical currents to the human body for therapeutic or aesthetic treatment and method of using such electroconducting cast
Patent #: 4317457
Issued on: 03/02/1982
Inventor: Guillot

Iontophoretic electrode device, method and gel insert
Patent #: 4383529
Issued on: 05/17/1983
Inventor: Webster

Pain-blocking bandage
Patent #: 4398545
Issued on: 08/16/1983
Inventor: Wilson

Iontophoretic device with reversible polarity
Patent #: 4406658
Issued on: 09/27/1983
Inventor: Lattin ,   et al.

Ion mobility limiting iontophoretic bioelectrode Patent #: 4416274
Issued on: 11/22/1983
Inventor: Jacobsen ,   et al.

Inventors

Assignee

Application

No. 06/396460 filed on 07/08/1982

US Classes:

604/20, Infrared, visible light, ultraviolet, X-ray or electrical energy applied to body (e.g., iontophoresis, etc.)607/152, Flexible sheet or resilient pad607/153Means for wetting applicator-body interface

Examiners

Primary: Cohen, Lee S.

Attorney, Agent or Firm

International Classes

A61N 1/30 (20060101)
A61N 1/04 (20060101)

Foreign Application Priority Data

1981-07-10 JP

Abstract

An iontophoresis device having lightweight and being capable of very easy, direct application to the skin is disclosed. This iontophoresis device comprises: (a) a first conductive electrode consisting essentially of a conductive gel layer containing or capable of containing an ionic agent and a current-distribution conductive member layer, the two layers being integrally laminated together; (b) a second conductive electrode consisting essentially of a conductive gel layer and a current-distribution conductive member layer, the two layers being integrally laminated together; and (c) a lightweight battery. The first and second electrodes are electrically connected to the lightweight battery so that a closed circuit is formed when the above members are applied to the skin.

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