A material and method for augmenting soft tissue. The tissue augmentation material consists essentially of water and a polysaccharide gel former selected from the group consisting of a cellulose polysaccharide, starch, chitin, chitosan, hyaluronic acid, hydrophobe modified polysaccharide, an alginate,...http://www.google.co.uk/patents/US7968110?utm_source=gb-gplus-sharePatent US7968110 - Tissue augmentation material and method
