Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1995-06-15
1997-04-01
Burr, Edgar S.
Dentistry
Apparatus
Having intra-oral dispensing means
A61C 1702
Patent
active
056160283
ABSTRACT:
A dental-jet device (1) is provided comprising a grip member (4) and at least one mouthpiece having a tubular part (8) and a nozzle head (7) mounted on the tubular part (8) so as to be rotatable about an axis of rotation (15) and sealed relative to the tubular part (8) by a seal (21 ), which nozzle head has at least one central jet orifice (16) and a plurality of peripheral jet orifices (17), the tubular part (8) has a single tubular-part outlet (23) which communicates with its fluid channel (9) and which is off-centered from the axis of rotation (15), and the nozzle head (17) has only two nozzle-head inlets (24, 25), which are off-centered from the axis of rotation (15) and which are sealed from one another by means of a second seal (26) acting between the tubular part (8) and the nozzle head (7), one nozzle-head inlet (24) connecting the tubular-part outlet (23) to the central-jet orifice (16) in the central-jet position and the other nozzle-head inlet (25) connecting the tubular-part outlet (23) to the peripheral-jet orifices (17) in the peripheral-jet position.
REFERENCES:
patent: 4975054 (1990-12-01), Esrock
patent: 5192206 (1993-03-01), Davis et al.
patent: 5236356 (1993-08-01), Davis et al.
Hafele Peter
Poganitsch Ernst
Bartlett Ernestine C.
Burr Edgar S.
Ghatt Dave A.
U.S. Philips Corporation
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