Electrocardiographs; Electromagnetic medical diagnostic imaging apparatus; Fetal pulse monitors; 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 devices, namely, pulse oximeters; Medical diagnostic apparatus for analyzing and measuring electrolytes in the body; Medical imaging devices for brain electric activity mapping; Medical instruments for analyzing and identifying bacteria; Oxygen concentrators for medical applications; Patient medical monitors for monitoring sleep apnea; Patient medical monitors for monitoring heart rate, heart function, lung function, brain electric activity, and oxygen concentration; Sphygmomanometers; Spirometers; Stethoscopes; Stethoscopes and sphygmomanometers; Ultrasound diagnostic apparatus; Blood oxygen monitors; Medical ultrasound apparatus; Medical apparatus and instruments, namely, a handheld ultrasound unit for cardiac diagnosis, screening and cardiovascular patient follow-up; Medical devices, namely, patient monitors and patient sensors for monitoring and measuring blood properties and respiratory events; Portable medical devices with sensors to monitor the physical movements of a patient wearing or carrying the device