Self powered dental plaque-removing device

Details Self powered dental plaque-removing device Self powered dental plaque-removing device

1989-05-19

1991-08-20

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433125, 433131, 433133, A61C 107

Patent

active

050409778

ABSTRACT:
This invention provides a self-powered dental hygiene device having an outer housing with three sections, a battery section at one end, an intermediate electric motor section and at the second end a transmission section with a head end section at the distal end. The head end section includes an aperture therethrough, transverse to the transmission section and designed to hold a replaceable dental tool, designed for reciprocating longitudinal motion. The casing is shaped such that the first battery section extends at an angle of between 7 and 12 degrees relative to the transmission section, and the aperture is preferably perpendicular to the axis of the transmission section. The dental tool bit held within the aperture has a hollow plenum for containing a fluid to be administered during use and a pressurizing means is secured to the tool to provide for the expression of the fluid through openings in the tool blade. There is also provided means to resiliently restrain the dental tool bit from rotating relative to the tool.

REFERENCES:
patent: 656124 (1900-08-01), Kinnison
patent: 3552022 (1971-01-01), Axelsson
patent: 3939599 (1976-02-01), Henry et al.
patent: 4276025 (1981-06-01), Straihammer
patent: 4315741 (1982-02-01), Reichl
patent: 4781589 (1988-11-01), Bareth

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