Haemostatic sprays and compositions
US7923031B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 28, 2005 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Mar 2, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a powder delivery system containing a composition comprising gelatin or collagen powder having a mean particle size of at least 10 μm. The gelatin or collagen powder is typically in dry form, i.e. no liquid components and/or propellants are added to the composition. The present invention is also directed to an improved powder delivery system which contains a protective structure, such as a skirt, located close to the orifice of the delivery system. In a further aspect, the present invention is directed to gelatin- or collagen-based compositions useful in hemostatic applications. In a further aspect of the invention the powder delivery system comprises gelatin or collagen powder in a dry form ready to use. Further the powder delivery system in a dry form might comprise an agent incompatible with moisture and/or water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.