Medical apparatus and instruments for monitoring blood oxygen levels, respiration rate, pulse rate, vital signs, medical or health conditions, breathing, and blood properties; Medical apparatus and instruments for monitoring blood oxygen levels, respiration rate, pulse rate, vital signs, medical or health conditions, breathing, and blood properties, and recorded software for recording, analyzing, processing and transmitting medical data, for use therewith, sold as a unit; Medical apparatus and instruments for monitoring blood oxygen levels, respiration rate, pulse rate, vital signs, medical or health conditions, breathing, and blood properties, and recorded software using machine learning for applying computational methods, for use therewith, sold as a unit; Medical apparatus and instruments for monitoring blood oxygen levels, respiration rate, pulse rate, vital signs, medical or health conditions, breathing, and blood properties, and recorded software using artificial intelligence (AI) for recording, analyzing, processing and transmitting medical data, for use therewith, sold as a unit; Wearable monitors used to measure biometric data for medical use; Sensors for medical use to be worn by a human to gather human biometric data and also including recorded software for recording, analyzing, processing and transmitting medical data, for use therewith sold as a unit; Pulse oximeters for medical purposes