Patent ID: 6062858
Filing Date: 2000-05-16
Classification: A61C

Abstract:
In combination, a medical handpiece and a tool for chip-removing body tissue or a substitute material;said handpiece comprisinga housing having a handpiece shank and an oscillation drive mounted therein, said oscillation drive being connected to said shank to vibrate it at a frequency in the sound or ultrasound range, said shank having a ball head;said tool being made of an elastic material and having an elongated processing section with an abrasive working surface, and further having a base portion which is integral with said processing section, said base portion having a dome-shaped recess for connecting the tool to the ball head of the handpiece shank, the depth of said recess being larger than the radius of the ball head and forming, together with said ball head, a ball-and-socket joint which transmits vibrations from said handpiece shank to said tool.