Dental-instrument handle

摘要

A dental handpiece in which an elongated handle sleeve is transversely divided by formation of an anterior sleeve showing a receptacle for a drivable dental-treatment instrument. A connected grip sleeve is detachable by a rotatable tightening ring. The handle sleeve has a coolant line running at least in the area of the transverse space within the inside of the sleeve outside the longitudinal axis of the handle sleeve, the coolant line is also transversely divided and leads to the area of the dental-treatment instrument. Two front sides of the anterior sleeve and the grip sleeve have both two front sides facing each other. One front side is provided with a projecting connecting piece for the cooling line and the other front side is provided with a connecting socket for an insertable connecting piece. The front side of the grip sleeve is provided with guide pins projecting from it and forming a catch device opposing pin sockets of elastic material and serving as an opposing catch device to accept the guide pins. The connecting pieces of each coolant line are connected with a belt canal from which the cooling line portion of the anterior sleeve leads to the area of the dental-treatment instrument.