Handpiece with additive chamber

Details Handpiece with additive chamber Handpiece with additive chamber

1989-09-19

1990-12-18

Wilson, John J.

Dentistry

Apparatus

Having intra-oral dispensing means

433126, A61C 302

Patent

active

049782975

ABSTRACT:
A dental handpiece device comprises a housing handle with a water supply line which extends through the interior of the handle or along the outside of the handle. An auxiliary chamber is formed in or is connected to the handle housing. The auxiliary chamber communicates with the water supply line and may receive an additive in tablet form. The additive slowly dissolves as water passes through the auxiliary chamber. The water supply line terminates at a nozzle for spraying water near the head end of the handle housing which carries a rotating tool such as a bur or a brush. The additive is advantageously a disinfectant for disinfecting the operative area and the mist and aerosol generated by the handpiece.

REFERENCES:
patent: 2400912 (1946-05-01), Britt et al.
patent: 2814877 (1957-12-01), Tilden
patent: 4060870 (1977-12-01), Cannarella
patent: 4315741 (1982-02-01), Reichl
patent: 4608018 (1986-08-01), Ghedini et al.

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