Drill sleeve for a dental drill
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.
1. 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. Drill sleeve according to claim 1 , wherein the at least one longitudinal flattened area is parallel to the longitudinal axis of the drill sleeve.
3. Drill sleeve according to one of claim 1 , wherein the outer surface has a gripping surface comprising at least one circular groove.
4. Drill sleeve according to claim 1 , wherein the longitudinal projections are interrupted by at least one essentially circular groove.
5. Drill sleeve according to claim 1 , wherein the sleeve has a longitudinal slit.
6. Drill sleeve according to claim 5 , wherein the longitudinal slit is narrower than one third of the drill sleeve's circumference.
7. Drill sleeve according to claim 5 , wherein the longitudinal slit is wider than the diameter of the dental drill.
8. Drill sleeve according to one of claim 1 , wherein the sleeve has a circumferential flange at its coronal end.
9. Drill sleeve according to claim 1 , wherein the sleeve is made of stainless steel.
10. A set comprising several drill sleeves according to claim 1 .
11. Set according to claim 10 , comprising several drill sleeves having circular inner surfaces with at least one of differing diameters and differing lengths.
12. Template comprising one or more drill sleeves according to claim 1 .
13. Method comprising use of a drill sleeve according to claim 1 in guiding a dental drill.
14. Method according to claim 13 , including providing the drill sleeve in a surgical template and using the drill sleeve as a drilling trajectory for the dental drill.
15. Method according to claim 14 , including providing two adjacent drill sleeves in the template oriented with their longitudinal flattened or concave areas vicinal to one another.
16. 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.
17. Drill sleeve according to claim 16 , wherein the longitudinal area is flattened.
18. Drill sleeve according to claim 16 , wherein the outer surface has exactly one longitudinal flattened area.
19. Drill sleeve according to claim 16 , wherein the outer surface has two longitudinal flattened areas.
20. Drill sleeve according to claim 19 , wherein the two longitudinal flattened areas of the outer surface are diametrically opposed.
21. Drill sleeve according to claim 16 , wherein the at least one longitudinal flattened or concave area is parallel to the longitudinal axis of the drill sleeve.
22. Drill sleeve according to claim 16 , wherein the sleeve has a longitudinal slit.
23. Drill sleeve according to claim 22 , wherein the longitudinal slit is narrower than one third of the drill sleeve's circumference.
24. Drill sleeve according to claim 22 , wherein the longitudinal slit is wider than the diameter of the dental drill.
25. Drill sleeve according to claim 16 , wherein the sleeve has a circumferential flange at its coronal end.
26. Drill sleeve according to claim 16 , wherein the sleeve is made of stainless steel.
27. Set comprising several drill sleeves according to claim 16 .
28. Set according to claim 27 , comprising several drill sleeves having circular inner surfaces with at least one of differing diameters and differing lengths.
29. Template comprising one or more drill sleeves according to claim 16 .
30. Method comprising use of a drill sleeve according to claim 16 in guiding a dental drill.
31. Method according to claim 30 , including providing the drill sleeve in a surgical template and using the drill sleeve as a drilling trajectory for the dental drill.