Title: Vaginal drug dispensing device

Abstract: Drug-delivery device for releasing a drug at a continuous and controlled rate for a prolonged period of time is comprised of a shaped body of polymeric material containing a pharmaceutically acceptable drug and permeable to passage of the drug by diffusion. The polymeric material is an ethylene-vinyl acetate copolymer having a vinyl acetate content of about 4 to 80% by weight and a melt index of about 0.1 to 1000 grams per 10 minutes.

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Inventors: Higuchi, Takeru (Lawrence, KS, US)
Hussain, Anwar (Lawrence, KS, US)

Application Number: 582131
Filing Date: 1975-05-30
Publication_date: 1977-04-05
Assignee: Alza Corporation (Palo Alto, CA)
Primary Class(es): 424/432 128/832, 424/427
Other Classes:
US Patent Ref:

3545439	Dec, 1970	Duncan	128/260.
3710795	Jan, 1973	Higuchi et al.	128/260.
3854480	Dec, 1974	Zaffaroni	128/260.

Other Refs:
Primary Examiner: Rose, Shep K.
Assistant Examiner:
Attorney: Sabatine; Paul L., Ciotti; Thomas E., Mandell; Edward L.