Patent ID: 6488686
Filing Date: 2002-12-03
Classification: A61B

Abstract:
A miniature cutting device comprising:a turbine and burr; a spherical turbine support housing, including two hemispherical turbine support housing portions, wherein the turbine support housing portions fit together to form the spherical turbine support housing and to hold the turbine and burr, and wherein a first hemispherical turbine support housing portion includes slots for directing air onto blades of the turbine to rotate the turbine; two outer cutter assembly support housing portions, wherein each hemispherical turbine support housing portion is fitted to a respective outer cutter assembly support housing portion, wherein the outer cutter assembly support housing portion fitted to the first hemispherical turbine support housing includes an air inlet passage for supplying pressurized air to the slots of the first hemispherical turbine support housing; and means for rotating the turbine and burr about a longitudinal axis of the device.