5 Medical preparations, namely, aminoacid, collagen, carboxylic acid and protein-based biopolymers in the nature of coatings, gels, and blocks for treating post operative adhesions; Surgical glues, medical plasters, surgical dressings, poultices, bone cements for medical purposes, dental mastics, surgical implants comprising living tissue for use in bone replacement; Films, in the nature of amino acid, collagen, carboxylic acid and protein-based biopolymers in the nature of coatings, gels, and blocks for preventing postoperative adhesions