Transdermal drug applicator

Details Transdermal drug applicator Transdermal drug applicator

1985-09-16

1987-11-24

Cohen, Lee S.

Surgery

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

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

604892, 128635, 128640, 128798, A61N 130

Patent

active

047087161

ABSTRACT:
A transdermal drug applicator for application to a body for the migration of medicament through the skin into the blood stream of a patient embodies a plurality of reservoirs for containing the medicament. A battery which supplies a charge for the medicament in the applicator is disposed adjacent one side of the reservoirs with a side of the battery facing the reservoir for charging/driving the medicament. Also, a cover comprising an electrically conductive material partially encloses the battery and one side of the reservoir opposite that of the battery is exposed for contacting the skin. An electrical circuit is further provided for electrically connecting the battery to the cover, and the cover having a lip defining the periphery of the applicator for making contact with the skin when mounted on the skin leaving the battery and reservoir generally fully enclosed. An electrically conductive adhesive material coating is disposed on the underside of the lip, said reservoir renders the applicator conformable to the body contours of the patient, and when the applicator is adhered to and mounted on the skin a complete electrical circuit through the skin is formed and the medicament in the reservoir migrates out of the reservoir and through the skin into the patient's blood stream.

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