Document Type

Patent

Publication Date

1-26-1982

Abstract

A positive pressure long-term drug delivery device particularly useful for the intravaginal or intrauterine release of a drug capable of passing through a diffusion membrane and being absorbed by the vaginal or uterine epithelium. The device includes a tubular casing having a plunger urged by a compression spring to create a continuous positive pressure on a drug in liquid form within the chamber of the casing, a supported membrane at one end of the casing through which such drug diffuses at a predetermined rate, and resilient elements at the opposite end of the casing for facilitating retention of the device throughout the term of administration of the drug.

Patent Number

US 4,312,347

ISURF Reference Number

586

Assignee

Iowa State University Research Foundation, Inc.,

Application Number

US 06/124,542

Date Filed

2-25-1980

Language

en

File Format

application/pdf

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