Patent 7160553 was granted and assigned to ACRYMED, INC. on January, 2007 by the United States Patent and Trademark Office.
The present invention comprises methods and compositions for delivery devices. More particularly, the present invention comprises methods and compositions for devices comprising a matrix comprising a polymer network and a non-gellable polysaccharide having oxygen and optionally active agents incorporated therein. The matrix may be formed into any desired shape for treatment of compromised tissue or for delivery of oxygen to a localized environment.