SYNTHETIC THREADS, CORDS, RIBBONS, TUBES AND OTHER FILM-LIKE ARTICLES OF THE TYPE USED BY SURGEONS FOR CLOSING OR DRAINING WOUNDS, BUTTONS FOR UNITING INTESTINES AND OTHER PARTS OF THE BODY, AND SURGICAL PLUGS, COMPRISING AT LEAST ONE MEMBER OF THE GROUP OF MATERIALS CONSISTING OF POLYMERIZED VINYL ALCOHOL, OTHER POLYMERIZED VINYL COMPOUNDS, RUBBER, ARTIFICIAL RESIN, ARTIFICIAL SILK AND THE TECHNICAL EQUIVALENTS OF SUCH MATERIALS