medical testing kits consisting primarily of medical devices for measuring peripheral arterial tone, finger probes and computer software for the non-invasive monitoring and assessment of endothelium function for the detection and diagnosis of endothelial dysfunction as an indicator of cardiovascular disease; finger probes and computer software for the non-invasive monitoring and assessment of sleep disorders; Medical apparatus, namely, non-invasive, diagnostic units used to assess and measure body functions and states and physiological conditions which affect the vasculature