A dental spray handpiece, consisting of a gripping sleeve having a media inlet connection at one end thereof and a media discharge at the other end thereof, in which the media conduits are arranged leading from the media inlet connection to the media discharge. A cannula for passing on the media exiting...http://www.google.com.au/patents/US4886455?utm_source=gb-gplus-sharePatent US4886455 - Dental spray handpiece
