medical devices, namely, enteral valves, luer locks, luer slips, filters, back check valves, pump cassettes, injection sites, stopcocks, luer caps, clamps, IV spikes, burrette chambers, connectors, drip chambers, tubing caps, adapters, needleless connectors, anti-syphon valves, medical tubing, Y-sites, administration sets comprised of combinations of the above elements and extension sets comprised of combinations of the above elements