Back to results
US 5,857,471 AGranted
Interproximal floss brush
AssigneeThe Megan Sumi Corporation
InventorStephen D. Harada
Life of this patent
Estimating the term…
Abstract
A dental hygiene device for cleaning enlarged embrasures includes a brush portion having a plurality of bristles projecting from a rigid spine opposed ends of which are secured to lengths of flexible filament such as dental floss. A free end of at least one of the filaments may be provided with a stiff pin-like tip useful as a toothpick or in threading the device through gaps between teeth or orthodontic structures.
Claims10
A dental hygiene device, comprising:
- (a) a brush having a rigid spine having opposed ends and a plurality of bristles each having a base portion secured to said spine, and
- (b) a flexible filament extending from each said opposed end of said spine.
A dental hygiene device, comprising:
- (a) a brush having a spine having opposed ends and a plurality of bristles each having a base portion secured to said spine, said spine being substantially more rigid than said bristles, and
- (b) a flexible filament extending from each said opposed end of said spine.
Dependencies are inferred from the claim text.