Pneumatic cutter for medical such as dental, treatment has top section incorporating rotary cylinder, turbine blade, two chambers and outer and inner housing

摘要

A top section (10) contains a rotary cylinder (20) for holding a cutter (22). A turbine blade (21) is fixed to the rotary cylinder so that air is blown onto the turbine blade to turn it and the air is then blown out of an outlet. The top section contains a first chamber (26) connected to a second, double chamber (27,28). The top section has an outer housing (13) containing a removable inner housing (14).