Apparatus for iontophoretic drug delivery

Details Apparatus for iontophoretic drug delivery Apparatus for iontophoretic drug delivery

1988-11-16

1991-04-09

Sykes, Angela D.

Surgery

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

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

128798, 128803, A61N 130

Patent

active

050061089

ABSTRACT:
An iontophoretic device for delivery of a drug comprising a flexible, non-conductive backing; first and second conductive electrodes composed of a substantially non-ionizing material in a plane, one side of the plane which is optionally attached to the optionally flexible backing, and the other side of the plane which is adapted to be affixed to one side of a flexible and electrically conductive layer containing the drug to be delivered; a source of electrical current and a device for reversing the polarity of the two electrodes. The device can additionally include the conductive layer containing the drug to be delivered, affixed to the plane of the two electrodes. An ion exchange membrane can optionally be disposed between the two electrodes and the drug-containing layer. The device can optionally contain a pulsing device or a current varying device or both to vary the amount of current delivered from time to time or in absolute amount.

REFERENCES:
patent: 4325367 (1982-04-01), Tapper
patent: 4406658 (1983-09-01), Lattin et al.
patent: 4713050 (1987-12-01), Sibalis
patent: 4722726 (1988-02-01), Sanderson et al.
patent: 4747819 (1988-05-01), Phipps et al.
patent: 4764164 (1988-08-01), Sasaki
patent: 4842577 (1989-06-01), Konno et al.

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