Dental spray handpiece
AssigneeSiemens Aktiengesellschaft
InventorsWalter Weber, Doris Frank-Voeglein
Life of this patent
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Abstract
The present invention is directed to a dental spray handpiece for agents such as air and water having a nozzle member with a discharge orifice at one end and a connecting element at the other end and a housing forming a grip piece for the dental handpiece containing an arrangement for controlling flow of the agents and a connection to a supply hose with the nozzle and having a coacting element forming a rotary joint characterized by the nozzle member having a light conductor extending from the discharge orifice up to the rotary joint and a light source being provided in the vicinity of the rotary joint and in optical communication with the other end of the light conductor so that light is conducted through the nozzle and projected out of the nozzle adjacent to the discharge opening.
Claims20
A dental spray handpiece for spraying an agent, the handpiece including a nozzle, a light source, a light conductor and a housing forming a grip piece for the dental handpiece, said nozzle at one end having a discharge orifice, said housing at one end having means for forming a connection with a supply line, said nozzle at a second end and the housing at a second end each having coacting connecting elements forming joint means for releasably connecting the nozzle and the housing together with rotational movement therebetween, said light source being provided in the handpiece adjacent to the joint means and said light conductor being centrally disposed in the nozzle and extending from adjacent the discharge orifice at the one end of the nozzle up to the joint means at the second end of the nozzle for receiving light from said light source.
Dependencies are inferred from the claim text.