9 apparatus for transmission of sound and images also incorporating recorded digital camera filter software, and video and still image camera functions; downloadable and recorded computer programs for use with endoscopic equipment to visualize the blood oxygen saturation of the observation site without injecting medicine, by irradiating light of multiple wavelengths with different absorption rates of HbO2 and Hb from the light source for medical purposes; downloadable and recorded computer programs for information management, data collection, data processing and data analysis for medical purposes; downloadable and recorded computer software for operating picture archiving and communication systems; downloadable and recorded computer programs for use by healthcare providers for reviewing, monitoring and communicating of medical images for the primary diagnosis, treatment and care of patients; downloadable and recorded computer programs for use in the operation of medical endoscopes and for medical imaging; downloadable and recorded computer programs for controlling lasers and light sources for medical and surgical purposes; downloadable software application for use with endoscopic equipment that visualizes the blood oxygen saturation of the observation site without injecting medicine, by irradiating light of multiple wavelengths with different absorption rates of HbO2 and Hb from the light source for medical purposes; downloadable software application for information management, data collection, data processing and data analysis for medical purposes; downloadable software application for use by healthcare providers for reviewing, monitoring and communicating of medical images for the primary diagnosis, treatment and care of patients; downloadable software application for controlling lasers and light sources for medical and surgical purposes; downloadable software application for managing, processing, recording, analyzing and displaying medical endoscopic images; downloadable computer programs for managing, processing, recording, analyzing and displaying medical endoscopic images; computer hardware; computer hardware to support processing needed for artificial intelligence; computer peripheral devices; computers; computer display screens; computer display monitors; electronic black boxes for recording data; electronic data processing apparatus; cameras; camera containing a linear image sensor; microscopes; optical apparatus in the nature of light source units in the nature of lighting devices specially adapted for endoscopic equipment for industrial purposes; borescopes, optical receivers, optical filters, and optical lenses; research laboratory analyzers for measuring amounts and activities of chemical components within blood; pressure measuring and recording machines, namely sensors, indicators, and transmitters, temperature measuring and recording machines, namely sensors, indicators, and transmitters; electric sensors for measuring oxygen saturation, not for medical use; endoscopy cameras for industrial purposes; endoscopic equipment for industrial purposes; downloadable image files containing medical diagnostic images and data