Iontophoresis electrode with reservoir and injection site

Details Iontophoresis electrode with reservoir and injection site Iontophoresis electrode with reservoir and injection site

1990-07-24

1992-02-11

Cohen, Lee S.

Surgery

Means for introducing or removing material from body for...

Infrared, visible light, ultraviolet, x-ray or electrical...

128798, 128803, A61N 130

Patent

active

050872419

ABSTRACT:
An iontophoresis electrode configured for positioning on a patient's skin during a drug treatment. The electrode includes a flexible backing layer having a first surface with an adhesive layer for holding the electrode together and for securing the electrode to the skin. A conductive material layer adheres to the adhesive layer. An absorbent pad layer, positioned adjacent the conductive material layer, holds a drug solution during the treatment. A dispersive material layer overlies the absorbent pad layer to disperse the solution evenly about a skin-electrode interface. The dispersive material layer and the flexible backing layer enclose the conductive material layer and the absorbent pad layer. A plurality of radially oriented slits extend through the conductive material layer at an aperture in the adhesive backing layer to form a site at which the drug solution can be injected into the absorbent pad layer. A snap-type electrical contact is attached to the conductive material layer.

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