Dental implant having a recessed surface for sealing

• US 8,556,627 B2
• Filed: 09/09/2011
• Issued: 10/15/2013
• Est. Priority Date: 09/29/2008
• Status: Expired due to Fees

• Current Assignee: Maxillent Ltd.
• Original Assignee: Maxillent Ltd.
• Inventors: Better, Hadar, Fostick, Gideon, Uchitel, Ilan, Gross, Yossi
• Primary Examiner(s): LEWIS, RALPH A
• Application Number:
  US13/228,564
• Publication Number:
  US 20110318707A1
• Time in Patent Office: 767 Days
• Field of Search: 433/172, 433/173, 433/174, 433/229, 606/199, 606/304
• US Class Current: 433/174
• CPC Class Codes: A61C 19/06 Implements for therapeutic treatment radiation therapy A61N5/00
• CPC Class Codes: A61C 8/0018 characterised by the shape
• CPC Class Codes: A61C 8/0022 Self-screwing A61C8/0028 takes precedence
• CPC Class Codes: A61C 8/0024 with self-boring cutting edge
• CPC Class Codes: A61C 8/0039 in the form of hollow cylinder with an open bottom
• CPC Class Codes: A61C 8/0092 for sinus lifting

Abstract

Apparatus is provided that includes a dental implant having a central longitudinal axis, a lateral external surface, and a distal implant portion that extends from a distal implant end along up to 50% of a longitudinal length of the implant. The implant being shaped so as to define a lumen therethrough having (a) at least one distal opening through a distal external surface of the distal implant portion, and (b) a lateral opening open to the lateral external surface. The implant is also shaped so as to define a recessed surface that (a) is recessed from the lateral external surface, (b) is outside of the lumen, and (c) completely surrounds the lateral opening. Other embodiments are also described.

Claims

1. Apparatus comprising a dental implant having a central longitudinal axis, a lateral external surface, and a distal implant portion that extends from a distal implant end along up to 50% of a longitudinal length of the implant, the implant being shaped so as to define:

a lumen therethrough having (a) at least one distal opening through a distal external surface of the distal implant portion, and (b) a lateral opening open to the lateral external surface, which lumen is not open to a proximal external surface of the implant within 2 mm of a proximal-most part of the implant, and

a recessed surface that (a) is recessed from the lateral external surface, (b) is outside of the lumen, and (c) completely surrounds the lateral opening.

2. The apparatus according to claim 1, wherein the recessed surface faces away from the central longitudinal axis.

3. The apparatus according to claim 2, wherein the recessed surface is parallel to the central longitudinal axis.

4. The apparatus according to claim 2, wherein the recessed surface is conical.

5. The apparatus according to claim 2, wherein a portion of the recessed surface is conical and a portion of the recessed surface is parallel to the central longitudinal axis.

6. The apparatus according to claim 2, wherein the recessed surface is concave away from the central longitudinal axis.

7. The apparatus according to claim 1, wherein at least a portion of the lateral external surface is shaped so as to define a cutting surface, and wherein the lateral opening is within the portion of the lateral external surface that defines the cutting surface.

8. The apparatus according to claim 1, wherein a proximal-most part of the implant is shaped so as to define an abutment-coupling surface.

9. The apparatus according to claim 8, further comprising an abutment, which is configured to be coupled to the abutment-coupling surface.

10. The apparatus according to claim 1, wherein the implant is shaped so as to define an integrated abutment.

11. The apparatus according to claim 1, wherein the at least one distal opening is located on the distal external surface at one or more locations selected from the group consisting of:

a center of the distal implant end, and a location on the distal implant end other than the center.

12. The apparatus according to claim 1, wherein the implant is permanently closed to the lumen within 3 mm of the proximal-most part of the implant.

13. The apparatus according to claim 1, wherein a proximal-facing surface of the implant is permanently closed to the lumen.

14. The apparatus according to claim 1, wherein the lumen has exactly one lateral opening to the lateral external surface of the implant.

15. Apparatus comprising:

a dental implant having a central longitudinal axis, a lateral external surface, and a distal implant portion that extends from a distal implant end along up to 50% of a longitudinal length of the implant, the implant being shaped so as to define;

a lumen therethrough having (a) at least one distal opening through a distal external surface of the distal implant portion, and (b) a lateral opening open to the lateral external surface, and

a recessed surface that (a) is recessed from the lateral external surface, (b) is outside of the lumen, and (c) completely surrounds the lateral opening; and

a delivery tube having a proximal tube end and a distal tube end, which distal tube end is removably coupled to the recessed surface such that the delivery tube is in fluid communication with the lumen via the lateral opening.

16. The apparatus according to claim 15, wherein the distal tube end comprises a sealing element, which is configured to removably sealingly couple the delivery tube to the recessed surface.

17. The apparatus according to claim 16, wherein the sealing element is selected from the group consisting of:

an o-ring and a gasket.

18. The apparatus according to claim 15, wherein the lumen is not open to a proximal external surface of the implant within 2 mm of a proximal-most part of the implant.

19. Apparatus comprising a dental implant having a central longitudinal axis, a lateral external surface, and a distal implant portion that extends from a distal implant end along up to 50% of a longitudinal length of the implant, the implant being shaped so as to define:

a lumen therethrough having (a) at least one distal opening through a distal external surface of the distal implant portion, and (b) a lateral opening open to the lateral external surface, which lumen is not open to a proximal external surface of the implant within 2 mm of a proximal-most part of the implant, and

a recessed surface that (a) is recessed from the lateral external surface, (b) completely surrounds the lateral opening, and (c) faces away from the central longitudinal axis.

20. The apparatus according to claim 19, wherein the recessed surface is parallel to the central longitudinal axis.

21. The apparatus according to claim 19, wherein the recessed surface is conical.

22. The apparatus according to claim 19, wherein a portion of the recessed surface is conical and a portion of the recessed surface is parallel to the central longitudinal axis.

23. The apparatus according to claim 19, wherein the recessed surface is concave away from the central longitudinal axis.

24. The apparatus according to claim 19, wherein the implant is permanently closed to the lumen within 3 mm of the proximal-most part of the implant.

25. The apparatus according to claim 19, wherein a proximal-facing surface of the implant is permanently closed to the lumen.

26. The apparatus according to claim 19, wherein the lumen has exactly one lateral opening to the lateral external surface of the implant.

27. Apparatus comprising:

a dental implant having a central longitudinal axis, a lateral external surface, and a distal implant portion that extends from a distal implant end along up to 50% of a longitudinal length of the implant, the implant being shaped so as to define;

a lumen therethrough having (a) at least one distal opening through a distal external surface of the distal implant portion, and (b) a lateral opening open to the lateral external surface, and

a recessed surface that (a) is recessed from the lateral external surface, (b) completely surrounds the lateral opening, and (c) faces away from the central longitudinal axis; and

a delivery tube having a proximal tube end and a distal tube end, which distal tube end is removably coupled to the recessed surface such that the delivery tube is in fluid communication with the lumen via the lateral opening.

28. The apparatus according to claim 27, wherein the distal tube end comprises a sealing element, which is configured to removably sealingly couple the delivery tube to the recessed surface.

29. A method comprising:

providing a dental implant having a central longitudinal axis, a lateral external surface, and a distal implant portion that extends from a distal implant end along up to 50% of a longitudinal length of the implant, the implant being shaped so as to define (a) a lumen therethrough having (i) at least one distal opening through a distal external surface of the distal implant portion, and (ii) a lateral opening open to the lateral external surface, and (b) a recessed surface that is recessed from the lateral external surface and completely surrounds the lateral opening;

forming a portion of a bore in an alveolar ridge;

inserting the implant into the bore at least until the distal opening comes into fluid communication with a surface of a Schneiderian membrane facing the ridge; and

while the implant is in the bore, injecting a material through the lateral opening into the lumen and out of the at least one distal opening.

30. The method according to claim 29, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is outside of the lumen.

31. The method according to claim 29, wherein providing the dental implant comprises providing the dental implant in which the recessed surface faces away from the central longitudinal axis.

32. The method according to claim 31, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is parallel to the central longitudinal axis.

33. The method according to claim 31, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is conical.

34. The method according to claim 31, wherein providing the dental implant comprises providing the dental implant in which a portion of the recessed surface is conical and a portion of the recessed surface is parallel to the central longitudinal axis.

35. The method according to claim 31, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is concave away from the central longitudinal axis.

36. The method according to claim 29, wherein the material selected from the group consisting of:

a regenerative material and a fluid, and wherein injecting the material comprises injecting the selected material through the lateral opening into the lumen and out of the at least one distal opening.

37. The method according to claim 29, wherein injecting the material comprises injecting through lateral opening from a delivery tube removably coupled to the recessed surface such that the delivery tube is in fluid communication with the lumen via the lateral opening, and wherein the method further comprises after injecting the material, decoupling the delivery tube from the recessed surface.

38. The method according to claim 37, wherein the distal tube end comprises a sealing element, and wherein injecting comprises injecting when the sealing element removably sealingly couples the delivery tube to the recessed surface.

39. The method according to claim 38, wherein providing the dental implant comprises providing the dental implant in which the sealing element is selected from the group consisting of:

an o-ring and a gasket.

40. The method according to claim 29, wherein injecting the material comprises injecting a regenerative material into a cavity below the membrane between the ridge and the membrane.

41. The method according to claim 29, wherein injecting the material comprises separating the membrane from the ridge by injecting a fluid, so as to form a cavity below the membrane between the ridge and the membrane.

42. The method according to claim 41, further comprising rotating the implant until the lateral opening is positioned entirely within at least one location selected from the group consisting of:

the bore in the ridge, and the cavity between the ridge and the membrane.

43. The method according to claim 29, wherein providing the dental implant comprises providing the dental implant in which at least a portion of the lateral external surface is shaped so as to define a cutting surface, and the lateral opening is within the portion of the lateral external surface that defines the cutting surface.

44. The method according to claim 29, wherein providing the dental implant comprises providing the dental implant in which the lumen is not open to a proximal external surface of the implant within 2 mm of a proximal-most part of the implant.

45. A method comprising:

providing a dental implant having a central longitudinal axis, a lateral external surface, and a distal implant portion that extends from a distal implant end along up to 50% of a longitudinal length of the implant, the implant being shaped so as to define (a) a lumen therethrough having (i) at least one distal opening through a distal external surface of the distal implant portion, and (ii) a lateral opening open to the lateral external surface, and (b) a recessed surface that is recessed from the lateral external surface and completely surrounds the lateral opening; and

removably coupling a delivery tube to the recessed surface such that the delivery tube is in fluid communication with the lumen via the lateral opening.

46. The method according to claim 45, wherein the distal tube end comprises a sealing element, and wherein coupling comprises coupling the delivery tube to the recessed surface such that the sealing element removably sealingly couples the delivery tube to the recessed surface.

47. The method according to claim 46, wherein providing the dental implant comprises providing the dental implant in which the sealing element is selected from the group consisting of:

an o-ring and a gasket.

48. The method according to claim 45, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is outside of the lumen.

49. The method according to claim 45, wherein providing the dental implant comprises providing the dental implant in which the recessed surface faces away from the central longitudinal axis.

50. The method according to claim 49, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is parallel to the central longitudinal axis.

51. The method according to claim 49, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is conical.

52. The method according to claim 49, wherein providing the dental implant comprises providing the dental implant in which a portion of the recessed surface is conical and a portion of the recessed surface is parallel to the central longitudinal axis.

53. The method according to claim 49, wherein providing the dental implant comprises providing the dental implant in which the recessed surface is concave away from the central longitudinal axis.

54. The method according to claim 45, wherein providing the dental implant comprises providing the dental implant in which at least a portion of the lateral external surface is shaped so as to define a cutting surface, and the lateral opening is within the portion of the lateral external surface that defines the cutting surface.

55. The method according to claim 45, wherein providing the dental implant comprises providing the dental implant in which the lumen is not open to a proximal external surface of the implant within 2 mm of a proximal-most part of the implant.