10 MEDICAL DEVICES, NAMELY BURRS, DISTRACTORS, RASPS, DEPTH gauges, PROBES, HORIZONTAL LEVELERS, POLYMER MIXING AND DELIVERY GUNS, VACUUM CANNULAS, ARTHROSCOPIC VISUALIZATION ILLUMINATION AND OPTICAL SCOPES, USED AS ARTHROSCOPIC INSTRUMENTS; BIOMATERIAL DELIVERY DEVICES, NAMELY CANNULAS, SPONGES AND MOLDS; PROSTHESES, NAMELY CURED POLYMERS; AND CURABLE BIOMEDICAL COMPOSITIONS; NAMELY SUBSTITUTE CARTILAGE, FOR USE IN ORTHOPEDIC REPAIR AND RESURFACING TECHNIQUES OF THE KNEE