Ultrasonic device with additive chamber

Details Ultrasonic device with additive chamber Ultrasonic device with additive chamber

1989-06-16

1990-10-09

Stone, Cary E.

Dentistry

Apparatus

Having intra-oral dispensing means

433 88, 433119, A61C 308

Patent

active

049616986

ABSTRACT:
An ultrasonic device includes an auxiliary chamber for receiving an additive in tablet form. The ultrasonic device includes an ultrasonic tool which is connected to an ultrasonic vibrator by a shank. A sleeve surrounds the shank and defines an annular space therewith. Cleansing fluid, in particular water, flows through the annular chamber and exits in the area of the tool. The auxiliary chamber is formed by an axial bore extending through the sleeve and communicating with the annular chamber. A cap closes the outer end of the bore and the bore is dimensioned for receiving a tablet containing the additive. Some of the fluid in the annular chamber passes through the auxiliary chamber to dissolve the tablet and introduce the additive into the stream of fluid before it is discharged at the ultrasonic tool.

REFERENCES:
patent: 2303667 (1942-12-01), Taborski
patent: 3192922 (1965-07-01), Winkler
patent: 3956826 (1976-05-01), Perdreaux, Jr.
patent: 4429434 (1984-02-01), Sung-shan
patent: 4564005 (1986-01-01), Marchand et al.
patent: 4608018 (1986-08-01), Ghedini et al.
patent: 4717057 (1988-01-01), Porteous
patent: 4776794 (1988-10-01), Meller

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