What is claimed is:
`
`l. A method for using a patient specific alignment device for arthroplasty of a portion of a
`
`joint, the method comprising:
`
`providing an alignment device, the alignment device being configured to at least a portion
`
`of a bone surface based on preoperative imaging of the joint;
`
`cutting only a portion of the joint; and
`
`positioning a tray and a bearing with respect to a portion of the joint,
`
`wherein the bearing is configured to move in at least one direction with respect to the tray.
`
`2. The method of claim 1, wherein the arthroplasty includes unicompartmental knee
`
`arthroplasty.
`
`3. The method of claim 1, wherein the joint includes a knee joint and the tray includes a
`
`tibial tray.
`
`4. The method of claim 1, wherein the bearing includes a mobile bearing.
`
`5. The method of claim 1, wherein the tray includes a metal and the bearing includes a
`
`polymer.
`
`6. The method of claim 1, wherein the act of cutting is performed while the joint is free of
`
`an extramedullary or intramedullary alignment rod.
`
`7. The method of claim 1, wherein the act of cutting is performed with an articular surface
`
`of a patella of the joint facing a femur of the joint.
`
`8. The method of claim 1, wherein the aligment device is a single use device that is
`
`configured to be sterily packaged.
`
`9. The method of claim 1, wherein the alignment device is configured to at least a portion
`
`of an uncut bone surface of the joint.
`
`10. The method of claim 1, wherein imaging includes MRI, X-ray based, fluoroscopic,
`
`arthroscopic, endoscopic, or fiber optic imaging device.
`
`ll. The method of claim 1, wherein the act of cutting includes preserving at least a portion
`
`of a ligament.
`
`12. The method of claim 1, wherein the alignment device includes at least one cannulation.
`
`169
`
`

`

`13. The method of claim 12, filrther comprising positioning at least a portion of a secondary
`
`alignment device or a cutting guide with respect to at least one cannulation.
`
`14. The method of claim 1, wherein a width of the alignment device is smaller than a width
`
`of a bone of the joint.
`
`15. The method of claim 1, wherein the alignment device includes a slot.
`
`16. The method of claim 15, wherein at least a portion of a guide surface of the slot
`
`includes metal.
`
`17. The method of claim 1, further comprising an act of providing a kit including the
`
`alignment device, tray, and bearing.
`
`18. The method of claim 1, wherein the bearing is configured to at least a portion of a
`
`bone surface based on preoperative imaging of the joint of the specific patient.
`
`19. A method for using a patient specific alignment device for arthroplasty of a portion of a
`
`joint, the method comprising:
`
`providing an alignment device, the alignment device being configured to at least a portion
`
`of the joint based on preoperative imaging of the patient;
`
`cutting only a portion of the joint; and
`
`positioning a tray and a bearing with respect a portion of the joint,
`
`wherein the bearing is configured to be fixed relative to the tray.
`
`20. The method of claim 19, wherein the arthroplasty includes unicompartmental knee
`
`arthroplasty.
`
`21. The method of claim 19, wherein the joint includes a knee joint and the tray includes a
`
`tibial tray.
`
`22. The method of claim 19, wherein the bearing includes a fixed bearing.
`
`23. The method of claim 19, wherein the tray includes a metal and the bearing includes a
`
`polymer.
`
`24. The method of claim 19, wherein the act of cutting is performed while the joint is fiee
`
`of an extramedullary or intramedullary alignment rod.
`
`170
`
`

`

`25. The method of claim 19, wherein the act of cutting is performed with an articular
`
`surface of a patella of the joint facing a femur of the joint.
`
`26. The method of claim 19, wherein the aligment device is a single use device that is
`
`configured to be sterily packaged.
`
`27. The method of claim 19, wherein the alignment device is configured to at least a portion
`
`of an uncut bone surface of the joint.
`
`28. The method of claim 19, wherein imaging includes MRI, X-ray based, fluoroscopic,
`
`arthroscopic, endoscopic, or fiber optic imaging device.
`
`29. The method of claim 19, wherein the act of cutting includes preserving at least a portion
`
`of a ligament.
`
`30.The method of claim 19, wherein the alignment device includes at least one cannulation.
`
`3 l. The method of claim 30, fiarther comprising positioning at least a portion of a secondary
`
`alignment device or a cutting guide with respect to at least one cannulation.
`
`32. The method of claim 19, wherein a width of the alignment device is smaller than a
`
`width of a bone of the joint.
`
`33. The method of claim 19, wherein the alignment device includes a slot.
`
`34. The method of claim 33, wherein at least a portion of a guide surface of the slot
`
`includes metal.
`
`35. The method of claim 19, further comprising an act of providing a kit including the
`
`alignment device, tray, and bearing.
`
`36. The method of claim 19, wherein the bearing is configured to at least a portion of a
`
`bone surface based on preoperative imaging of the joint of the specific patient.
`
`37. A method for using a patient specific alignment device for unicompartmental
`
`arthroplasty of a joint, the method comprising:
`
`providing an alignment device, the alignment device being configured to at least a portion a
`
`bone surface based on preoperative imaging of the joint;
`
`cutting only a medial or lateral condyle of a tibia and a femur of the joint; and
`
`positioning a tibial tray and a bearing with respect to a portion of the joint.
`
`l7l
`
`

`

`38. The method of claim 37, wherein the tray includes a metal and the bearing includes a
`
`polymer.
`
`39. The method of claim 37, wherein the act of cutting is performed while the joint is free
`
`of an extramedullary or intramedullary alignment rod.
`
`40. The method of claim 37, wherein the act of cutting is performed with an articular
`
`surface of a patella of the joint facing a femur of the joint.
`
`41. The method of claim 37, wherein the aligment device is a single use device that is
`
`configured to be sterily packaged.
`
`42. The method of claim 37, wherein the alignment device is configured to at least a portion
`
`of an uncut bone surface of the joint.
`
`43. The method of claim 37, wherein imaging includes MRI, X-ray based, fluoroscopic,
`
`arthroscopic, endoscopic, or fiber optic imaging device.
`
`44. The method of claim 37, wherein the act of cutting includes preserving at least a portion
`
`of a ligament.
`
`45.The method of claim 37, wherein the alignment device includes at least one cannulation.
`
`46. The method of claim 45, fiarther comprising positioning at least a portion of a secondary
`
`alignment device or a cutting guide with respect to at least one cannulation.
`
`47. The method of claim 37, wherein a width of the alignment device is smaller than a
`
`width of a bone of the joint.
`
`48. The method of claim 37, wherein the alignment device includes a slot.
`
`49. The method of claim 48, wherein at least a portion of a guide surface of the slot
`
`includes metal.
`
`50. The method of claim 37, further comprising an act of providing a kit including
`
`alignment device, tray, and bearing.
`
`51. The method of claim 37, wherein the bearing is configured to at least a portion of a
`
`bone surface based on preoperative imaging of the joint of the specific patient.
`
`l72
`
`

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