US5069906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intra-vaginal device and method
Assignee: BELMAC/MAXIMED PARTNERSHIP
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Filing: 1990-12-11
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Granted: 1991-12-03
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Expires: 2010-12-11
Abstract
Abstract The invention disclosed provides an intra-vaginal device prepared using ingredients which slowly release in the vagina over a significant period of time. The present intra-vaginal device also usefully serves as a drug release means for controllably releasing a drug in the vagina. A method for controlled drug release in the vagina is also disclosed.
Inventors
- 👤 Robert S. Cohen
- 👤 James M. Pierce
- 👤 William H. Kinsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0034
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
97 words
A solidified gel composition suitable for use as an intra-vaginal insert, capable of dissolution or disintegration in the presence of vaginal fluids and consisting essentially of an aqueous saline solution containing a gelling agent dissolved or dispersed therein, said gelling agent being selected from the group consisting of agarose or agar, glycosaminoglycan, collagen, carageen or carageenan, locust bean gum, fibrin and glycerin, and an enzyme selected from the group consisting glycerine, protease, agarase, collagenase and saccharidase, said gelling agent and said enzyme being present in said composition in minor amounts totaling less than fifty percent by weight.
Claim 2
Dependent Claim
97 words
A solidified gel composition suitable for use as an intra-vaginal insert, capable of dissolution or disintegration in the presence of vaginal fluids and consisting essentially of an aqueous saline solution containing a gelling agent dissolved or dispersed therein, said gelling agent being selected from the group consisting of agarose or agar, glycosaminoglycan, collagen, carageen or carageenan, locust bean gum, fibrin and glycerin, and an enzyme selected from the group consisting glycerine, protease, agarase, collagenase and saccharidase, said gelling agent and said enzyme being present in said composition in minor amounts totaling less than fifty percent by weight.
Claim 3
Dependent Claim
33 words
A composition in accordance with claim 1 wherein said composition additionally contains an effective amount of an additive selected from the group consisting of an antimicrobial, an antifungal, a virucide and a spermicide.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-12-02 | 1995-06-03 | 1995-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-02 | 1999-06-03 | 1999-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-02 | 2003-06-03 | 2003-12-03 | $7700.00 | Window Closed / Lapsed |