US4317447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drug delivery system
Assignee: Ortho Pharmaceutical Corp
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Filing: 1979-07-19
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Granted: 1982-03-02
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Expires: 1999-07-19
Abstract
Abstract A drug delivery system comprising a soluble medicated polymer in the shape of a cartridge or capsule is described. The capsule is applied over a carrier and the drug is released upon disintegration of the cartridge after insertion into the vagina.
Inventors
- 👤 Bernard L. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0034; A61K9/0036; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2002; A61F13/202; A61F13/2071; A61F13/2074; A61J; A61J3/00; A61J3/08
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
57 words
A device for delivering a medicament to the vaginal cavity consisting of a molded polymeric sheath having at least one open end, said sheath consisting of an intimate mixture of a polymeric material and a medicament and being dissolvable in body fluids, said device being capable of slowly releasing said medicament while dissolving in said body fluids.
Claim 2
Independent Claim
57 words
A device for delivering a medicament to the vaginal cavity consisting of a molded polymeric sheath having at least one open end, said sheath consisting of an intimate mixture of a polymeric material and a medicament and being dissolvable in body fluids, said device being capable of slowly releasing said medicament while dissolving in said body fluids.
Claim 3
Dependent Claim
13 words
The device of claim 1 wherein the polymeric material is a hydroxypropyl cellulose.
Claim 4
Dependent Claim
19 words
The device of claim 1 wherein the medicament is a spermicide, ovacide, antimicrobial, prostaglandin, steriodal or non-steroidal antifertility agent.
Claim 5
Dependent Claim
11 words
The device of claim 3 wherein the medicament is a spermicide.
Claim 6
Dependent Claim
10 words
The device of claim 4 wherein the spermicide is nonoxynol-9.
Claim 7
Dependent Claim
12 words
The device of claim 3 wherein the medicament is an antimicrobial agent.
Claim 8
Dependent Claim
12 words
The device of claim 6 wherein the antimicrobial agent is miconazole nitrate.
Claim 9
Dependent Claim
23 words
The device of claim 3 wherein the medicament is present in an amount ranging from about 0.5 to about 35 percent by weight.
Claim 10
Independent Claim
71 words
A device for delivering a medicament to the vaginal cavity comprising a molded polymeric sheath having an open end and a closed end and a catamenial device adapted for insertion into the vaginal cavity, said sheath comprising an intimate mixture of a polymeric material and a medicament, and being inserted over said catamenial device, dissolvable in body fluids and capable of slowly releasing said medicament while dissolving in said body fluids.
Claim 11
Independent Claim
71 words
A device for delivering a medicament to the vaginal cavity comprising a molded polymeric sheath having an open end and a closed end and a catamenial device adapted for insertion into the vaginal cavity, said sheath comprising an intimate mixture of a polymeric material and a medicament, and being inserted over said catamenial device, dissolvable in body fluids and capable of slowly releasing said medicament while dissolving in said body fluids.
Claim 12
Dependent Claim
13 words
The device of claim 9 wherein the polymeric material is a hydroxypropyl cellulose.
Claim 13
Dependent Claim
19 words
The device of claim 9 wherein the medicament is a spermicide, ovacide, antimicrobial, prostaglandin, steroidal or non-steroidal antifertility agent.
Claim 14
Dependent Claim
11 words
The device of claim 11 wherein the medicament is a spermicide.
Claim 15
Dependent Claim
10 words
The device of claim 12 wherein the spermicide is nonoxynol-9.
Claim 16
Dependent Claim
12 words
The device of claim 11 wherein the medicament is an antimicrobial agent.
Claim 17
Dependent Claim
12 words
The device of claim 14 wherein the antimicrobial agent is miconazole nitrate.
Claim 18
Dependent Claim
12 words
The device of claim 9 wherein the catamenial device is a tampon.
Claim 19
Dependent Claim
23 words
The device of claim 9 wherein the medicament is present in an amount ranging from about 0.5 to about 35 percent by weight.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-01 | 1985-08-31 | 1986-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-01 | 1989-08-31 | 1990-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-01 | 1993-08-31 | 1994-03-02 | $7700.00 | Window Closed / Lapsed |