Back to results
US 8,523,566 B2Granted
Drill sleeve for a dental drill
AssigneeStraumann Holding AG
InventorsEdmund Suter, Steffen Kühne, Patrick Streff
Life of this patent
Estimating the term…
Abstract
Drill sleeve (1) for a dental drill (70) having a hollow and cylindrical shape and a longitudinal axis A, a circular inner surface (10) for guiding the dental drill (70), and an outer surface (15) intended to be inserted into a template (50). The outer surface (15) of the drill sleeve (1) has at least one longitudinal flattened or concave area (20, 120), the circular inner surface (10) is essentially parallel to the longitudinal axis A, and the drill sleeve (1) is thin-walled.
Claims31
A drill sleeve for a dental drill, comprising:
- an essentially hollow cylindrical shape and a longitudinal axis,
- a circular inner surface for guiding the dental drill and an outer surface intended to be inserted into a template,
- wherein the outer surface has at least one longitudinal flattened or concave area that extends over the full length of the drill sleeve and wherein the outer surface has longitudinal projections extending essentially over the full length of the drill sleeve,
- wherein the circular inner surface is essentially parallel to the longitudinal axis, and the drill sleeve has a wall thickness ranging from 0.2 mm to 1.5 mm,
- and wherein the outer surface has two longitudinal flattened areas, which are diametrically opposed.
2 more elements
A drill sleeve for a dental drill, comprising:
- an essentially hollow cylindrical shape and a longitudinal axis,
- a circular inner surface for guiding the dental drill and an outer surface intended to be inserted into a template,
- wherein the outer surface has at least one longitudinal flattened or concave area that extends over the full length of the drill sleeve,
- wherein the circular inner surface is essentially parallel to the longitudinal axis,
- and the drill sleeve has a wall thickness ranging from 0.2 mm to 1.5 mm,
- and wherein the outer surface has longitudinal projections, which are interrupted by at least one essentially circular groove.
3 more elements
Dependencies are inferred from the claim text.