9 Computers; computer networking hardware; computer peripheral devices; computer hardware; data storage hardware; network access server hardware; set top boxes; electronic devices with audio, video, image and multimedia encoder, decoder and scaler functions; digital audio, video, image and multimedia recorders, players, encoders, decoders and scalers; digital electronic devices and computer hardware for recording, storing, organizing, transmitting, receiving, manipulating, playing and reviewing documents, audio, video, image and multimedia data; tablet computers; personal digital assistants; electronic personal organizers; electronic notepads; remote controls for computers and set top boxes; computer hardware and digital electronic devices for accessing and controlling the operation of medical devices and appliances, of audio, video, image and multimedia devices and for storing, viewing, searching and/or playing documents, audio, video, image and multimedia data; recorded or downloadable computer software related to all of the aforementioned goods, particularly virtual infrastructure hardware; recorded or downloadable computer software to enable users to retrieve and distribute documents, audio, video, image and multimedia data via global communication networks and other computer, electronic and communication networks; recorded or downloadable edge computing or fog computing software; recorded or downloadable computer software for encoding, decoding and scaling digital audio, video, image and multimedia data; recorded or downloadable computer software for accessing and controlling the operation of medical devices and appliances, of audio, video, image and multimedia devices and for recording, storing, organizing, searching, transmitting, receiving, manipulating, playing and reviewing documents, audio, video, image and multimedia data; all of the aforementioned goods relating to computer assisted medical applications, particularly to computer assisted surgical and therapeutical applications including neurosurgical, orthopaedic and radiotherapeutic applications and applications in ear, nose and throat, laparoscopic, vascular, visceral, craniomaxillofacial and general surgery in a sterile and/or an unsterile environment