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US 7,923,031 B2Granted
Haemostatic sprays and compositions
AssigneeFerrosan Medical Devices A/S
InventorLene Møller
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AssigneeFerrosan Medical Devices A/S
InventorLene Møller
Estimating the term…
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.
A powder delivery system comprising a chamber storing a haemostatic composition comprising dry gelatin powder having a mean particle size in the range of 30-250 μm and hyaluronic acid, said chamber having at least one discharge opening sized for distributing said composition.
A method for promoting haemostasis in a patient in need thereof, said method comprising spraying a haemostatic powder composition comprising gelatin having a mean particle size in the range of 30-250 μm and hyaluronic acid, wherein said powder is dry, onto at least a portion of an area where bleeding occurs.
Dependencies are inferred from the claim text.