Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, and vital signs; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and downloadable 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; Medical apparatus and instruments for monitoring blood properties and respiratory events; Medical apparatus and instruments for monitoring vital signs, blood properties and respiratory events; Medical apparatus and instruments for monitoring breathing and respiration; Medical apparatus for monitoring vital signs of patients; Medical apparatus, namely, fetal and maternal vital sign and physical distress monitors; Medical apparatus, namely, respiratory equipment and monitors therefor; Medical devices for monitoring blood oxygen saturation, blood gas concentrations and vital signs; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and downloadable software for recording, processing and transmitting medical data, for use therewith, sold as a unit; 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 devices for monitoring blood properties and respiratory events; Medical devices for monitoring vital signs, blood properties and respiratory events; Medical devices, namely, patient monitors and patient sensors for monitoring and measuring blood properties and respiratory events; Medical products, namely, respiratory sensors; Patient medical monitors for monitoring breathing and respiration; Portable medical devices with sensors to monitor the physical movements of a patient wearing or carrying the device; Wearable monitors used to measure biometric data for medical use; Wearable respiration monitors used to measure biometric data for medical use