Patent ID: 6719561
Filing Date: 2004-04-13
Classification: A61C

Abstract:
A medical or dental hand instrument (1), comprising:a handpiece (2), a grip part (6) being arranged on the handpiece (2), a cannula (27) located at the front end of the grip part (6), said cannula having an outlet opening (5) at a front end of the cannula (27) for the discharge of an abrasive treatment medium and of a transport fluid, a shaft (7) extending rearwardly from the grip part (6), a supply container (3) for the abrasive treatment medium being arranged on the shaft (7), a coupling connection (4) for coupling said hand instrument (1) with a feed line for at lest one said transport fluid, said grip part (6) and said shaft (7) being mounted on each other so as to be freely rotatable about a longitudinal center axis (10), and wherein said coupling connection (4) comprises a coupling element of a plug-in/rotary coupling (13).