9 Computers software for database management and analysis used in the medical and surgical fields, computer software application packages, namely, for network-based applications which permit medical users to manage and analyze medical data; computer hardware and instruments, namely, signal converters, signal recorders, network components for use in acquiring, recording, translating , managing, processing, analyzing, transmitting and printing images or signals, namely, medical images or biomedical signals; computer hardware for database server centers; magnetic media, namely, blank magnetic tapes, magnetic coded cards and optical media, namely, optical discs for image, signal and data processing for use in image and media, namely, optical discs for image, signal and data processing for use in image and sound; compact discs for medical or industrial applications, featuring blank discs, as well as featuring medical reference guides; computer hardware and computer software for imaging and signal processing for medical data management and analysis used in the medical and surgical fields; computer software for recording, analysis, display, transmission and storage of patient data concerning scientific devices, namely, analog or numeric medical imaging devices including sonographs, CTs and MRIs, for medical and industrial use; scientific computer hardware and computer software for operational investigation and for generating data used for diagnostic, patient follow-up and efficiency studies