Positive displacement transdermal system

Details Positive displacement transdermal system Positive displacement transdermal system

1994-07-08

1995-12-12

Rosenbaum, C. Fred

Surgery

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

A61F 1300

Patent

active

054745276

ABSTRACT:
A microprocessor controlled transdermal medication patch system wherein said medication is dispensed internally by positive displacement from multiple reservoirs within said patch so as to vary the drug selection, sequence, and concentration and thereby the regimen and release rate. In a preferred embodiment, electric resistance heating elements activate multiple heat-shrink polymer reservoirs to dispence beneficial fluids into a common absorbent layer for transdermal passage.

REFERENCES:
patent: 5053001 (1991-10-01), Reller et al.
patent: 5188260 (1993-02-01), Bettinger

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