Patent ID: 7390499

Claim:
A kit comprising: a) a nonpyrogenic microbial cellulose wound dressing consisting essentially of water and from 1.5 to 4.3 wt.% of microbial cellulose, said wound dressing made by a process that includes depyrogenating microbial cellulose pellicles to provide nonpyrogenic microbial cellulose wound dressing and adjusting the water content of the wound dressing to provide said wound dressing consisting essentially of water and from 1.5 to 4.3 wt.% microbial cellulose, wherein the wound dressing has not been completely dried; b) a moisture proof package containing said microbial cellulose wound dressing; and c) instructions for applying the microbial cellulose wound dressing to a chronic wound in a human patient; wherein the wound dressing absorbs fluid exudate in an amount that is about 20% to about 200% of its weight from an exuding chronic wound and donates moisture in an amount that is greater than 75% of its weight to a dry or necrotic portion of a chronic wound.