44 MEDICAL AND SURGICAL TUBES-NAMELY, ENDOTRACHEAL TUBES AND CONNECTORS THEREFOR, THROAT SUCTION TUBES AND CONNECTORS THEREFOR, PLASTIC STOMACH TUBES, AND CONNECTING TUBES FOR TRANSFERRING LIQUIDS AND GASES AND CONNECTORS THEREFOR; HYPODERMIC NEEDLES, SPINAL NEEDLES; PATIENT MONITORING ELECTRODES; OPERATING ROOM SHOE COVERS; AND SUCTION CATHETERS