LYOPHILIZED FOAM WOUND DRESSING

摘要

The invention relates to a soluble wound dressing having a wound facing layer comprising a lyophilized foam and an active ingredient, a method of using said dressing, and an improved method of manufacturing said wound facing layer using a continuous, enclosed mixing device capable of operating under pressure. The wound facing layers of the invention have a dissolution time of at least about 2 hours, and preferably at least about 24 hours, and can provide for the sustained and/or controlled release of an active ingredient for up to about 24 hours.