Heart monitors; Body-fat monitors; Heart rate monitoring apparatus; Medical devices, namely, patient monitors and patient sensors for monitoring and measuring blood properties and respiratory events; Medical apparatus and instruments for monitoring vital signs, blood properties and respiratory events; Medical devices for monitoring vital signs, blood properties and respiratory events; Devices for monitoring blood glucose for medical purposes; Medical apparatus for monitoring vital signs of patients; Medical test kits for diabetes monitoring for home use; Blood oxygen monitors; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and recorded software for recording, processing and transmitting medical data, for use therewith, sold as a unit; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and recorded software for recording, processing and transmitting medical data, for use therewith, sold as a unit; Wearable monitors used to measure biometric data for medical use; Body composition monitors; Body fat monitors