Medical device, namely, manipulation system comprising flexible arms, knobs, levers, and buttons, for use in endoscopic therapy in the nature of endoscopic equipment for medical purposes; multitasking manipulation system for endo-therapy devices comprising treatment manipulators, treatment instruments, over tubes, flexible or rigid medical and surgical endoscopes, CO2 supply units, high-frequency and ultrasonic energy devices, video processors, monitors, light sources, recorders, fixing tools, and access devices, exclusively for use with medical and surgical endoscopes in the nature of endoscopic equipment for medical purposes; endoscopic equipment for medical purposes; surgical instruments and apparatus for use in endoscopy procedures in the nature of rigid and flexible medical endoscope