medical, clinical or surgical devices and apparatus; namely, medical or surgical pumps, infusion pumps and parts of such pumps; infusion and transfusion devices; namely, instrument sets for infusion or transfusion; hypodermic needles, tubes or hoses for infusion or transfusion and containers for infusion or transfusion fluids; supports and connectors for infusion pumps; monitors and probes for collecting physiological data devices for measuring blood flow and parts of such devices