10 CHEST DRAINAGE EQUIPMENT; THORACIC AND MEDIASTINAL TUBES; HEART VALVES; HEART VALVE WASHERS; VEIN HARVESTING DEVICES; VASCULAR GRAFTS; CARDIOPULMONARY EQUIPMENT; POTASSIUM ANALYZERS; EMBOLECTOMY CATHETERS; DISPOSABLE SURGICAL APPARATUS; UROLOGICAL METERS;DISPOSABLE CAUTERY AND CUTTING DEVICES; PACING WIRES