Patent ID: 8096807

Claim:
A dental instrumentation delivery unit of the type which supports hand-held instruments for use by a dentist or dental assistant in performing dental procedures via the use of a hand-held instrument, comprising: a housing to be supported by a dental delivery arm in a position adjacent a dental chair and including a plurality of members configurable in an open position and a closed position; the housing including first and second members which, when configured in the closed position, provide a sealed chamber therein and, when configured in the open position, permit access to an interior portion of the chamber, and the housing including, along an exterior portion thereof, a plurality of hand piece holders each of a first diametric size for receiving hand-held instruments up to a maximum diametric dimension; the chamber including a first port suitable for connection to a vacuum line to create a partial vacuum in the chamber, and at least a second port providing a connection via a second vacuum line between the chamber and a first hand-held instrument to operate the instrument when a partial vacuum is applied through the second vacuum line; and at least one insert secured to the housing at one of the hand piece holders and defining an arcuate slot of a second diametric size smaller than the first diametric size for selectively accommodating a hand-held instrument having a smaller than maximum diametric dimension.