Haemostatic sprays and compositions

Details Haemostatic sprays and compositions Haemostatic sprays and compositions

2011-04-12

2011-04-12

Noakes, Suzanne M (Department: 1656)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C424S499000, C530S354000, C604S290000, C604S067000

Reexamination Certificate

active

07923031

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.

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