10 Blood testing apparatus, glucose meters, continuous blood glucose monitor for medical use, blood ketone measuring instruments for medical use, blood glucose and blood ketone monitoring system for medical use, apparatus for blood analysis, apparatus for glucose analysis, blood analysis apparatus for diagnostics, all for medical use, apparatus for use in medical analysis, namely, blood analysis, electrodes for medical use, blood collecting devices and apparatus for taking blood, namely, blood collecting needles and tubes, needles for medical purposes, medical diagnostic apparatus for medical purposes for testing blood sugar levels