Coverings for medical purposes, in particular in the form of membranes or of foils used to cover or treat wounds; allograft material, namely, wound coverings; medical adhesives for binding wounds; implantable scaffolds to encourage the growth of tissue; implantable scaffolds for use in guided tissue regeneration; bone growth media consisting of biological materials for medical purposes; bone void fillers consisting of biological materials; biological implants, namely, a vital processed human ...