Enhanced intravaginal devices
US6776164B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2000 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Jun 5, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P15/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A biodegradable intra vaginal device for insertion into the vagina of an animal (eg; cattle) useful for herd oestrus synchrony purposes,the device is intra vaginally insertable, intra vaginally retainable and withdrawable by virtue of its ability to change its geometry yet is formed at least almost exclusively from a cyclodextrin and progesterone impregnated moulded matrix of a polyester polymer (eg; poly (&egr;-caprolactone)) or a starch-like polysaccharide polymer. There is preferably a loading of progesterone of from 0.1 to 3 gms. The surface area of the impregnated matrix is preferably from 15 to 200 cm2.Related methods and uses also form part of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.