Patent ID: 8049059

Claim:
A medical product, comprising: a sterile package; and a sterile tissue graft product contained within said sterile package, said tissue graft product exhibiting a non-tubular, sheet form and being useful for treating an exuding open cutaneous wound, the sterile tissue graft product having a thickness extending between a top outermost surface of the sterile tissue graft product and a bottom outermost surface of the sterile tissue graft product, wherein an extracellular matrix material obtained from a biological tissue source spans the entirety of said thickness and has a plurality of slits therein providing a mesh pattern, said mesh pattern effective to provide an expansion ratio of at least about 1.2:1 to said extracellular matrix material in a hydrated condition, the extracellular matrix material including submucosa or renal capsule tissue retaining growth factors native to the biological tissue source and having a nucleic acid level of less than 5 micrograms per milligram.