Glass encapsulated materials

Details Glass encapsulated materials Glass encapsulated materials

1981-06-10

1984-05-22

Padgett, Benjamin R.

Surgery

Controlled release therapeutic device or system

604894, A61K 926

Patent

active

044499817

ABSTRACT:
A device for the controlled release of an active material into a liquid medium comprises a liquid soluble body having an array of cavities therein containing the active material. The body may be enclosed in a casing of a material having a relatively low dissolution rate and provided with means, e.g. an aperture whereby a portion of the body can be exposed to dissolving attack by the liquid medium. The body is so constructed that the cavity contents are released sequentially and at a predetermined rate.

REFERENCES:
patent: 3938515 (1976-02-01), Leeper et al.
patent: 4142526 (1979-03-01), Zaffaroni et al.
patent: 4218255 (1980-08-01), Bajpai et al.
patent: 4322398 (1982-03-01), Reiner et al.

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