Stylus applicator for a rehydrated multi-constituent medication

Details Stylus applicator for a rehydrated multi-constituent medication Stylus applicator for a rehydrated multi-constituent medication

1994-09-08

1996-02-13

Bratlie, Steven A.

Coating implements with material supply

Concentrated material and liquid carrier

401 41, 401132, 401196, 604 2, 604 3, A61M 3500, A47L 1317

Patent

active

054907365

ABSTRACT:
A compact, single-use stylus applicator is disclosed having a dry medication (e.g. a dehydrated topical astringent disinfectant that is adapted to treat acne and has been reduced to crystalline form by lyophilization) stored in a first chamber. A liquid diluent is stored in a second chamber. Fluid communication between the first and second chambers is blocked by a barrier. By compressing the second chamber, a corresponding hydraulic pressure is generated in the diluent which defeats the fluid blocking integrity of the barrier. Accordingly, the diluent in the second chamber is introduced under pressure to the dry medication in the first chamber to rehydrate and activate the acne medication. The reconstituted multi-constituent liquid medication is absorbed by a stylus-shaped swab so as to be applied directly to a tissue area as a topical treatment for acne or other skin disorders.

REFERENCES:
patent: 1293401 (1919-02-01), Gibson
patent: 1607768 (1926-11-01), Meusel
patent: 3349966 (1967-10-01), Schwartzman
patent: 3519364 (1970-07-01), Truhan
patent: 3759259 (1973-09-01), Truhan
patent: 5054948 (1991-10-01), Honda et al.
patent: 5180244 (1993-01-01), Hirose

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