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US 5,476,381 AGranted
Interproximal dental disk
AssigneeCentrix, Inc.
InventorWilliam B. Dragan
Life of this patent
Estimating the term…
Abstract
A dental interproximal disk formed of rigid sheet material as a unitary or integrally formed handle portion and blade portion with an arcuate cutting edge. The handle portion includes a plurality of corrugated flutes terminating in a laterally offset flange. The side surfaces of the blade portions may be either smooth or roughened on one or both surfaces thereof. An aperture is formed adjacent one end of the handle portion for attachment of a string or cord to effect retrieving if necessary as a matter of safety.
Claims12
An interproximal disk for use in dentistry comprising:
- a blank of rigid sheet material having an upper handle portion and an integrally formed blade portion having an arcuate cutting edge,
- said handle portion including a plurality of corrugated flutes formed a plane thereof and terminating in a lateral flange,
- and an aperture formed in said handle portion adjacent one end thereon.
An interproximal disk for use in dentistry comprising:
- a handle portion and a blade portion unitarily formed from a block of rigid sheet material of stainless steel,
- said handle portion and unitarily formed blade portion having a cross-sectional thickness ranging between 0.008 to 0.003 inches,
- said blade portion having a semi-circular cutting edge,
- and said handle portion including a plurality of corrugated flutes extending longitudinally of said handle portion, and an upper edge terminating in a lateral offset flange disposed substantially normal to said blade portion,
- said handle portion having a projecting end portion extending beyond said blade portion,
- an aperture formed in said projected end portion of said handle portion,
- said blade portion having a roughened surface on at least one side thereof, and
- said roughened surface being formed by sand blasting.
5 more elements
Dependencies are inferred from the claim text.