10 Blood testing apparatus, analyzers for medical diagnosis for blood property analysis, medical diagnostic apparatus and instruments for analyzing blood properties, in vitro diagnostic devices for medical purposes for blood analysis, blood analysis equipment for medical purposes, blood analysis apparatus for medical diagnostics, continuous blood glucose monitor for medical purposes, apparatus for blood monitoring for medical use, medical apparatus and instruments for monitoring blood properties, blood gas monitoring systems for medical purposes, blood coagulation measuring instruments for medical purposes, electrodes for medical use, blood collecting devices and apparatus for taking blood, namely, needles and tubes