Blood oxygen monitors; Carrying cases specially adapted for holding or carrying portable medical oxygen cylinders; Displays, monitors and controllers for medical fluid injectors, namely, computer displays and computer monitors and controllers therefor used in direct association with medical diagnosis apparatus; Displays, monitors and controllers for medical fluid injectors, namely, computer displays and computer monitors and controllers therefor used in direct association with medical fluid injectors; Hyperbaric oxygen chambers for medical purposes; 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 devices for monitoring blood oxygen saturation, blood gas concentrations and vital signs; Medical devices, namely, pulse oximeters; Oxygen concentrators for medical purposes; Oxygen inhalators for medical use, sold empty; Oxygen masks for medical purposes; Oxygen masks for medical use; Oxygen monitors for medical use; Pulse oximeters for medical purposes