Apparatus for removing an osteophyte

• US 20040078041A1
• Filed: 10/18/2002
• Published: 04/22/2004
• Est. Priority Date: 10/18/2002
• Status: Active Grant

• Current Assignee: Zimmer Incorporated (Zimmer Biomet Holdings, Inc.)
• Original Assignee: Zimmer Incorporated (Zimmer Biomet Holdings, Inc.)
• Inventors: Kirkpatrick, Lynn, Daniels, Michael, Steffensmeier, Scott, Hodorek, Robert, Bays, Rodney, Hanneken, Jamie, Michael, Jeff, Tanamal, Linggawati
• Granted Patent: US 7,018,381 B2
• Time in Patent Office: Days
• US Class Current: 606/80
• CPC Class Codes: A61B 17/1659 Surgical rasps, files, planes, or scrapers
• CPC Class Codes: A61B 17/1675 for the knee
• CPC Class Codes: A61B 17/32002 with continuously rotating, oscillating or reciprocating cutting instruments
• CPC Class Codes: A61B 2017/320004 abrasive
• CPC Class Codes: A61B 2217/005 with suction drainage system

Abstract

An apparatus for removing an osteophyte is provided.

Claims

1. An apparatus for removing an osteophyte, the apparatus comprising:

an elongated member including a first portion and a second portion, the second portion including a blunt end; and

a burr extending from the second portion at a location proximal to the blunt end.

2. The apparatus of claim 1, wherein the burr includes a smooth surface facing generally toward the blunt end and a non-smooth surface facing generally toward the first portion of the elongated member.

3. The apparatus of claim 2, wherein the elongated member defines a passageway and the burr is coupled to the passageway.

4. The apparatus of claim 1, wherein the burr includes a base having a generally pie-slice shaped perimeter, and the burr further includes a generally convex surface extending from the base.

5. The apparatus of claim 4, wherein the generally convex surface includes a smooth portion facing generally toward the blunt end and a non-smooth portion facing generally toward the first portion of the elongated member.

6. The apparatus of claim 5, wherein the elongated member defines a passageway and the burr is coupled to the passageway.

7. The apparatus of claim 1, wherein the burr includes a diamond.

8. The apparatus of claim 1, wherein the elongated member is generally tongue-shaped.

9. The apparatus of claim 1, wherein the first portion of the elongated member includes a surface having graduations thereon.

10. The apparatus of claim 1, further comprising a stop member extending from the first portion of the elongated member.

11. The apparatus of claim 10, wherein the stop member includes at least one of a post and a wall.

12. The apparatus of claim 1, further comprising a wall coupled to the blunt end of the elongated member.

13. The apparatus of claim 1, further comprising a drive device coupled to the elongated member, the drive device being automated to cause the elongated member to move the burr.

14. The apparatus of claim 13, wherein the drive device is automated to cause the elongated member to move the burr in a generally elliptical mode.

15. The apparatus of claim 13, wherein the drive device is automated to cause the elongated member to move the burr in a generally circular mode.

16. The apparatus of claim 13, wherein the drive device is automated to cause the elongated member to move the burr in a generally arcuate mode.

17. The apparatus of claim 13, wherein the drive device is automated to cause the elongated member to move the burr in a generally longitudinal mode.

18. The apparatus of claim 13, wherein the drive device is automated to cause the elongated member to move the burr in a generally transverse mode.

19. The apparatus of claim 13, further comprising a suction device coupled to the elongated member.

20. The apparatus of claim 13, further comprising a suction device coupled to the burr.

21. The apparatus of claim 20, wherein the burr includes a perforated surface.

22. An apparatus for removing an osteophyte from a bone in a patient'"'"'s body, the bone including a first surface and a second surface, the apparatus comprising:

a means for removing the osteophyte from the bone; and

a means, coupled to the removing means, for positioning the removing means relative to at least the first surface of the bone.

23. The apparatus of claim 22, wherein the positioning means includes a means for limiting the position of the removing means relative to at least the second surface of the bone.

24. The apparatus of claim 22, further comprising a means, coupled to the removing means, for automatically moving the removing means.

25. The apparatus of claim 24, wherein the moving means includes a means for moving the removing means in a generally elliptical mode.

26. The apparatus of claim 24, further comprising a means, coupled to the removing means, for suctioning at least a portion of the osteophyte from the patient'"'"'s body.

27. An apparatus for removing an osteophyte, the apparatus comprising:

a generally tongue-shaped elongated member including a first portion and a second portion, the first portion and the second portion defining a passageway, the second portion including a blunt end;

at least one of a post and a wall extending from the first portion; and

a burr coupled the second portion and the passageway at a location proximal to the blunt end, the burr including a base having a generally pie-slice shaped perimeter, the burr further including a generally convex surface extending from the base, the generally convex surface including a smooth portion facing generally toward the blunt end and a perforated, non-smooth portion facing generally toward the first portion of the elongated member.

28. The apparatus of claim 27, wherein the non-smooth portion of the generally convex surface includes a diamond.

29. The apparatus of claim 27, further comprising a wall coupled to the blunt end of the elongated member.

30. The apparatus of claim 27, further comprising a drive device coupled to the elongated member, the drive device being automated to cause the elongated member to move the burr.

31. The apparatus of claim 30, wherein the drive device is automated to cause the elongated member to move the burr in a generally elliptical mode.

32. The apparatus of claim 30, further comprising a suction device coupled to the passageway.

33. An apparatus for removing an osteophyte, the apparatus comprising:

an elongated member including a first portion and a second portion, the first portion including a generally planar smooth top surface, the second portion including a blunt end and further including a non-smooth top surface facing generally toward the first portion and extending from the smooth top surface to the blunt end; and

a drive device coupled to the elongated member, the drive device being automated to cause the elongated member to move the non-smooth top surface.

34. The apparatus of claim 33, wherein the drive device is automated to cause the elongated member to move the non-smooth top surface in one of a generally elliptical mode, a generally circular mode, a generally arcuate mode, a generally longitudinal mode, and a generally transverse mode.

35. The apparatus of claim 33, further comprising:

a suction device coupled to the elongated member;

wherein the non-smooth top surface is perforated.

36. The apparatus of claim 33, wherein the non-smooth top surface arches from the smooth top surface to the blunt end.

37. The apparatus of claim 36, wherein the non-smooth top surface forms roughly half an arch.

38. The apparatus of claim 37, wherein the second portion further includes a smooth bottom surface facing generally away from the first portion and forming roughly half an arch.

39. The apparatus of claim 38, wherein the elongated member further includes a third portion forming a generally U-shaped transverse trough between the first portion and the second portion.

40. The apparatus of claim 33, wherein the non-smooth top surface is generally planar.

41. The apparatus of claim 40, wherein the second portion is generally plank-shaped.

42. The apparatus of claim 41, wherein the non-smooth top surface extends from the smooth top surface to the blunt end at an angle relative to the plane of the smooth top surface of at least 90 degrees and less than 120 degrees.

43. The apparatus of claim 41, wherein the non-smooth top surface extends from the smooth top surface to the blunt end at an angle relative to the plane of the smooth top surface of at least 120 degrees and less than 135 degrees.

44. The apparatus of claim 41, wherein the non-smooth top surface extends from the smooth top surface to the blunt end at an angle relative to the plane of the smooth top surface of about 120 degrees.

45. The apparatus of claim 41, wherein the non-smooth top surface extends from the smooth top surface to the blunt end at an angle relative to the plane of the smooth top surface of at least 135 degrees and less than 180 degrees.

46. The apparatus of claim 33, wherein the smooth top surface includes a grid of reference markings.