10 SURGICAL APPARATUS AND INSTRUMENTS, NAMELY, RETRACTORS, DISTRACTORS, REAMERS, CURETTES, IMPACTOR SHAFTS, SLIDING MALLETS, GRAFT TAMPERS, EXTRACTION BLOCKERS, CAGE HOLDERS, SCALPELS, KNIVES FOR SURGICAL PURPOSES, CANNULAES, CATHETERS, SURGICAL COMPRESSORS; ORTHOPEDIC ARTICLES, NAMELY, SURGICAL IMPLANTS COMPRISED OF ARTIFICIAL MATERIALS