Selectable dosage transdermal delivery system

Details Selectable dosage transdermal delivery system Selectable dosage transdermal delivery system

1994-04-22

1996-04-09

Phelan, D. Gabrielle

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

602 41, 602 43, 602 58, 604304, 6048901, A61R 1300

Patent

active

055059570

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 et al.
patent: 4917676 (1990-04-01), Heiber et al.
patent: 4917688 (1990-04-01), Nelson
patent: 4998623 (1991-03-01), Doull
patent: 5064422 (1991-11-01), Wick
patent: 5071656 (1991-12-01), Lee et al.

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