A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/104
A61M 37/00 (2006.01) A61N 1/30 (2006.01)
Patent
CA 1226777
ABSTRACT OF THE DISCLOSURE 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 reservoir means for containing the medicament and battery means for supplying a charge for the medicament in said applicator being disposed adjacent one side of the reservoir means with a side of the battery means facing the reservoir means for charging the medicament. Also, covering means comprising an electrically conductive material which partially en- closes the battery means and the reservoir means leaves the side of the reservoir means opposite that of the battery means exposed for contacting the skin. Means are further provided for electrically connecting the battery means to the cover means, and the cover means having lip means defining the periphery of the applicator for mak- ing contact with the skin when mounted on the skin leaving the battery means and reservoir means generally fully enclosed. An electrically conductive adhesive material coating is disposed on the underside of the lip means, said reservoir means renders the appli- cator conformable to the body contours of the patient, and when the applicator is adhered to and mounted on the skin a complete electric- al circuit through the skin is formed and the medicament in the reservoir means migrates out of the reservoir means and through the skin into the patient's blood stream. An alternate device for the administration of a medicament through the skin into the blood stream of a patient includes reservoir means containing the medica- ment, battery means adjacent one side of the reservoir means being electrically connected therewith, and cover means of electrically con- ductive material at least partially enclosing the battery means and the reservoir means. The cover means has an extended portion for making contact with the skin when mounted thereon, and electrically conductive adhesive material which coats the underside of the lip completes an electrical circuit through the skin, and an indicator electrically connected in the circuit, wherein with completion of the circuit the medicament in the reservoir means migrates out of the reservoir means and through the skin into the patient's blood stream, with the indicator being activated to indicate transdermal delivery of the medicament.
474498
Drug Delivery Systems Inc.
Johnson Douglas S. Q.c.
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