Medelsan since 1983, physical therapy – Psychiatry medical device production equipment and technical service is one of the few companies in Turkey that operates in the field of. Medelsan, was founded by Electronic Eng Tevfik Soral and with experienced technical staff currently serving the Turkish medicine. Medelsan has an important area in the production of physical therapy / psychiatric devices. The company is engaged in various research projects. For example; Tens device was developed with Cerrahpaşa Medical Faculty 32 years ago. After then Osteoson, EMG and Noroson devices have been developed.