Selectable dosage transdermal delivery system

Details Selectable dosage transdermal delivery system Selectable dosage transdermal delivery system

1992-09-28

1994-08-09

Phelan, Gabrielle

Surgery

Controlled release therapeutic device or system

424449, 602 41, 602 43, 602 52, 602 58, 206531, 206532, 206533, 206538, A61K 922, A61F 1300, B65D 8304

Patent

active

053362136

ABSTRACT:
A transdermal drug delivery system is disclosed. The system comprises a laminate composite of a patch/skin permeable membrane; a transfer gel layer disposed on said permeable membrane; a permeable membrane disposed on said transfer gel layer; a plurality of sectional drug reservoirs for receiving medicament disposed on the transfer gel layer; and activation means for releasing medicament from said drug reservoirs for contact with skin of a patient. The medicament in contained in the reservoirs at varying amounts and/or concentrations, providing for selectable dosage, for sequential delivery, for sequential activation, for variable unit dose drug delivery in transdermal application.

REFERENCES:
patent: 4666441 (1987-05-01), Andriola
patent: 4756423 (1988-07-01), Holtsch
patent: 4904475 (1990-02-01), Gale
patent: 4917676 (1990-04-01), Heiber
patent: 4998623 (1991-03-01), Doull
patent: 5064422 (1991-11-01), Wick
patent: 5071656 (1991-12-01), Lee

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