The innovative OSSEODUO system combines two systems in one with an easy selection of either Drill or Shaver mode. Efficiently designed with input from specialist surgeons, the system can be utilized in various fields of application including plastic surgery, otoneurology, otorhinolaryngology and maxillofacial surgery. It is capable of shaping bones and resectioning soft and hard tissues. Unnecessary instruments are eliminated, giving more room to work. The S120 shaver handpiece has been refined to produce high-precision work in extremely difficult places. Various types of reusable or disposable blades can be connected to it. Operating time is considerably reduced due to the power of the high torque micromotor.