Device for containing excess abrasive material

Details Device for containing excess abrasive material Device for containing excess abrasive material

1997-08-12

1998-12-01

Mancene, Gene

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433 88, A61C 116

Patent

active

058428631

ABSTRACT:
A device is described for containing abrasive particles expelled from air-abrasive apparati and permitting their removal. One embodiment disclosed is a device for containing abrasive material expelled by a gas abrasive dental apparatus. The device comprises a collecting chamber in fluid communication with a containment chamber. Between the two is a transfer opening for permitting passage of abrasive particles between them. The device contains an inlet that fluidly connects to the nozzle of an air-abrasive apparatus, and an outlet to permit contact of abrasive particles with the surface to be treated. Excess abrasive particles are collected into the collecting chamber and transferred by vacuum or pressure to the containment chamber. The containment chamber contains a porous member which entraps the particles while permitting gas to flow freely out of the device. The disclosure includes several embodiments of the device depending on the particular application. The disclosure includes a process for abrading a tooth service using the disclosed device.

REFERENCES:
patent: 4286950 (1981-09-01), Hawk
patent: 4611992 (1986-09-01), Lokken
patent: 4850868 (1989-07-01), Wright et al.
patent: 5122153 (1992-06-01), Harrel
patent: 5197876 (1993-03-01), Coston
patent: 5199229 (1993-04-01), Herold et al.
patent: 5356292 (1994-10-01), Ho
patent: 5547376 (1996-08-01), Harrel

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