Dental spray handpiece

Details Dental spray handpiece Dental spray handpiece

1984-10-12

1986-10-28

Peshock, Robert

Dentistry

Apparatus

Having intra-oral dispensing means

433 29, A61C 1700

Patent

active

046196129

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.

REFERENCES:
patent: 1989162 (1935-01-01), Barr
patent: 2522261 (1950-09-01), Freedman
patent: 3614415 (1971-10-01), Edelman
patent: 3698088 (1972-10-01), Austin
patent: 4149315 (1969-04-01), Page, Jr. et al.

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