 He is the founder of Biosan outpatient clinic in 1986, a Turco-Germanic joint venture pioneering in extracorporeal kidney stone treatment, ESWL, in Istanbul and Izmir, Turkey.He remained active on the board of Biosan until 2000.In 1990 Dr. Tolon was the first Turkish doctor to receive an invitation from the Chinese Academy of Sciences in Beijing because of his work on ESWL.