Air driven dental handpiece

Details Air driven dental handpiece Air driven dental handpiece

1972-01-14

1977-05-03

Peshock, Robert

32DIG7, A61C 110

Patent

active

040205568

ABSTRACT:
An air driven dental handpiece comprising a hollow handle and a turbine housing mounted at one end thereof. The turbine housing includes a rotor having rotor blades with arcuate recesses formed therein. An air supply line is positioned within the handle and includes two spaced tubes adapted to inject air under pressure into the turbine housing and against the turbine blades. A fiber optic system is mounted within the handle, which is adapted to direct light from two separate sources adjacent the rotating bur mounted in the handpiece. A novel wrench is provided for securing a bur in the collet of the handpiece.

REFERENCES:
patent: 1951584 (1934-03-01), Thompson
patent: 3032878 (1962-05-01), White
patent: 3228657 (1966-01-01), Saffir
patent: 3325899 (1967-06-01), Staunt
patent: 3380162 (1968-04-01), Heathe
patent: 3397457 (1968-08-01), Gosselin
patent: 3614414 (1971-10-01), Gores
patent: 3683503 (1972-08-01), Klein
patent: 3789506 (1974-02-01), Johns

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