PROSTHETIC DEVICE AND SYSTEM AND METHOD FOR IMPLANTING PROSTHETIC DEVICE

Abstract

A prosthetic device includes one or more components configured to be disposed in a joint. The component includes at least one feature configured to provide information about the component. The information can be used to determine or create the relationship between the component and the joint and/or other components. This relationship may be used to evaluate and/or modify the expected performance of the prosthetic device and assist in determining the optimal relationship between one or more components and a patient's anatomy.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain principles of the invention.

FIG. 1 is a perspective view of a conventional total knee arthroplasty system.

FIG. 2 is a perspective view of an embodiment of a prosthetic device according to the present invention.

FIG. 3 is a perspective view of the prosthetic device of FIG. 2 implanted on a femur and a tibia of a patient.

FIG. 4 is a perspective view of an embodiment of an instrument according to the present invention.

FIG. 5 is a plan view of an embodiment of an interface according to the present invention.

FIG. 6 is a perspective view of an embodiment of an instrument according to the present invention.

FIG. 7 is a cross sectional view of an embodiment of an interface according to the present invention.

FIG. 8 is a perspective view of an embodiment of a prosthetic device and a patient's anatomy according to the present invention.

FIGS. 9( a)-9(c) are perspective views of an embodiment of a prosthetic device according to the present invention and a plan view of a femur of a patient.

FIGS. 10( a)-10(d) are perspective and plan views of an embodiment of a prosthetic device according to the present invention.

FIGS. 11( a)-11(b) are perspective views of an embodiment of a prosthetic device according to the present invention.

FIGS. 12( a)-12(c) are plan views of a bone of a patient.

FIGS. 13( a)-13(b) are plan views of an embodiment of a prosthetic device according to the present invention implanted into the bone of a patient.

FIG. 14 is a plan view of an embodiment of two prosthetic device components according to the present invention.

FIG. 15 is a plan view of an embodiment of two prosthetic device components according to the present invention.

FIG. 16 is a perspective view of an embodiment of a prosthetic device simulation according to the present invention.

FIG. 17 is a perspective view of an embodiment of two prosthetic device components according to the present invention.

Claims

1. A prosthetic device comprising: a component configured to be disposed in a joint,wherein the component includes at least one feature configured to provide information about the component.

2. The prosthetic device of claim 1, wherein the information indicates at least one of a position, an orientation, a size, and an identity of the component.

3. The prosthetic device of claim 1, wherein the information relates to a relationship between the component and another component disposed in the joint.

4. The prosthetic device of claim 1, wherein the information relates to a rate of wear of the component.

5. The prosthetic device of claim 1, wherein the at least one feature includes at least one of a sensor, a signal emitter, a piezoelectric transducer, an optical etching, an optical marking, a marker, a pattern, a landmark, an interface for an instrument, a point, a line, an axis, a length, an arc center, a curve, a radius, a plane, a surface, an articular surface, a virtual feature, a correspondence point, an anatomic location, a soft tissue insertion/attachment point, a divot, a cavity, a size, and an ID.

6. The prosthetic device of claim 5, wherein the interface includes at least one of a divot, a surface, and a cavity.

7. The prosthetic device of claim 1, wherein the at least one feature is configured to provide the information about the component when at least a portion of the component is covered with tissue.

8. A collection of components for forming a prosthetic device comprising: a first component configured to be disposed in a joint and including a first feature;a second component configured to be disposed in the joint and including a second feature;wherein the first feature is configured to convey information about the first component and the second feature is configured to convey information about the second component.

9. The collection of components of claim 8, wherein the information about the first component includes at least one of a position, an orientation, a size, and an identity of the first component and the information about the second component includes at least one of a position, an orientation, a size, and an identity of the second component.

10. The collection of components of claim 8, wherein at least one of the information about the first component and the information about the second component relates to a relationship between the first component and the second component.

11. The collection of components of claim 8, wherein the information about the first component relates to a rate of wear of the first component.

12. The collection of components of claim 8, wherein the information about the second component relates to a rate of wear of the second component.

13. The collection of components of claim 8, wherein at least one of the first feature and the second feature includes at least one of a sensor, a signal emitter, a piezoelectric transducer, an optical etching, an optical marking, a marker, a pattern, a landmark, an interface for an instrument, a point, a line, an axis, a length, an arc center, a curve, a radius, a plane, a surface, an articular surface, a virtual feature, a correspondence point, an anatomic location, a soft tissue insertion/attachment point, a divot, a cavity, a size, and an ID.

14. The collection of components of claim 13, wherein the interface includes at least one of a divot, a surface, and a cavity.

15. The collection of components of claim 8, wherein the first feature is configured to provide the information about the first component when at least a portion of the first component is covered with tissue.

16. The collection of components of claim 8, wherein the second feature is configured to provide the information about the second component when at least a portion of the second component is covered with tissue.

17. A surgical method comprising the steps of: acquiring information about a first implant disposed in a joint;acquiring information about a second implant disposed in the joint; anddetermining a relationship between the first implant and the second implant based at least in part on the information acquired about the first implant and the information acquired about the second implant.

18. The surgical method of claim 17, further comprising the step of: comparing the determined relationship to a desired relationship.

19. The surgical method of claim 18, further comprising the step of: adjusting at least one of the first implant and the second implant to achieve the desired relationship.

20. The surgical method of claim 17, wherein the information about the first implant includes at least one of a position, an orientation, a size, and an identity of the first implant and the information acquired about the second implant includes at least one of a position, an orientation, a size, and an identity of the second implant.

21. The surgical method of claim 17, further comprising the step of: determining a rate of wear of the first implant based on the information acquired about the first implant.

22. The surgical method of claim 17, further comprising the step of: determining a rate of wear of the second implant based on the information acquired about the second implant.

23. The surgical method of claim 17, further comprising the step of: applying a force to the joint when the information about the first implant and the information about the second implant are acquired.

24. The surgical method of claim 17, further comprising the step of: determining a relative position of the first implant and the second implant based at least in part on the information acquired about the first and second implants.

25. The surgical method of claim 17, further comprising the step of: determining a condition of soft tissue in the joint based at least in part on the information acquired about the first and second implants.

26. The surgical method of claim 17, wherein the step of acquiring information about the first implant includes at least one of contacting at least a portion of the first implant with an instrument and scanning at least a portion of the first implant with a detection device.

27. The surgical method of claim 17, wherein the step of acquiring information about the second implant includes at least one of contacting at least a portion of the second implant with an instrument and scanning at least a portion of the second implant with a detection device.

28. The surgical method of claim 17, wherein the information about the first implant is acquired when at least a portion of the first implant is covered with tissue.

29. The surgical method of claim 17, wherein the information about the second implant is acquired when at least a portion of the second implant is covered with tissue.

30. The surgical method of claim 17, wherein the first implant includes a first feature configured to provide the information about the first implant and the second implant includes a second feature configured to provide the information about the second implant.

31. The surgical method of claim 30, wherein at least one of the first feature and the second feature includes at least one of a sensor, a signal emitter, a piezoelectric transducer, an optical etching, an optical marking, a marker, a pattern, a landmark, an interface for an instrument, a point, a line, an axis, a length, an arc center, a curve, a radius, a plane, a surface, an articular surface, a virtual feature, a correspondence point, an anatomic location, a soft tissue insertion/attachment point, a divot, a cavity, a size, and an ID.

32. A surgical method comprising the steps of: acquiring information about a first implant disposed in a joint; andplanning placement in the joint of a second implant based at least in part on the information acquired about the first implant and a desired relationship between the first implant and the second implant.

33. The surgical method of claim 32, wherein the information about the first implant includes at least one of a position, an orientation, a size, and an identity of the first implant.

34. The surgical method of claim 32, wherein the step of acquiring information includes at least one of contacting at least a portion of the first implant with an instrument and scanning at least a portion of the first implant with a detection device.

35. The surgical method of claim 32, further comprising the step of: determining a rate of wear of the first implant based on the information acquired about the first implant.

36. The surgical method of claim 32, wherein the information about the first implant is acquired when at least a portion of the first implant is covered with tissue.

37. The surgical method of claim 32, wherein the desired relationship between the first and second implants relates to at least one of a position and an orientation of the first and second implants.

38. The surgical method of claim 32, further comprising the steps of: positioning the second implant in the joint;acquiring information about the second implant; anddetermining a relationship between the first implant and the second implant based at least in part on the information acquired about the first implant and the information acquired about the second implant.

39. The surgical method of claim 38, further comprising the step of: comparing the determined relationship to the desired relationship.

40. The surgical method of claim 39, further comprising the step of: adjusting at least one of the first implant and the second implant to achieve the desired relationship.

41. The surgical method of claim 38, wherein the information about the second implant includes at least one of a position, an orientation, a size, and an identity of the second implant.

42. The surgical method of claim 32, wherein the first implant includes a first feature configured to provide the information about the first implant and the second implant includes a second feature configured to provide information about the second implant.

43. The surgical method of claim 42, wherein at least one of the first feature and the second feature includes at least one of a sensor, a signal emitter, a piezoelectric transducer, an optical etching, an optical marking, a marker, a pattern, a landmark, an interface for an instrument, a point, a line, an axis, a length, an arc center, a curve, a radius, a plane, a surface, an articular surface, a virtual feature, a correspondence point, an anatomic location, a soft tissue insertion/attachment point, a divot, a cavity, a size, and an ID.

44. A system for implanting a prosthetic device comprising: a first component configured to be disposed in a joint and including a first feature;a second component configured to be disposed in the joint and including a second feature; anda computer programmed to determine a relationship between the first component and the second component based at least in part on the first feature and the second feature.

45. The system of claim 44, wherein at least one of the first feature and the second feature includes at least one of a sensor, a signal emitter, a piezoelectric transducer, an optical etching, an optical marking, a marker, a pattern, a landmark, and an interface for an instrument, a point, a line, an axis, a length, an arc center, a curve, a radius, a plane, a surface, an articular surface, a virtual feature, a correspondence point, an anatomic location, a soft tissue insertion/attachment point, a divot, a cavity, a size, and an ID.

46. The system of claim 44, wherein the relationship between the first component and the second component relates to at least one of a position and an orientation of the first and second components.

47. The system of claim 44, wherein the computer is programmed to compare the relationship between the first component and the second component to a desired relationship.

48. The system of claim 47, wherein the desired relationship relates to at least one of a position and an orientation of the first and second components.

49. The system of claim 47, wherein the computer is programmed to determine the desired relationship based on at least one of an image dataset, an imageless dataset, an equation, a tolerance, and a geometric model.

50. The system of claim 44, wherein the computer is programmed to determine at least one of a rate of wear and a life of the first component based at least in part on the first feature.

51. The system of claim 44, wherein the computer is programmed to determine at least one of a rate of wear and a life of the second component based at least in part on the second feature.

52. A system for implanting a prosthetic device comprising: a first component configured to be disposed in a joint including a first feature providing first information;a second component configured to be disposed in the joint including a second feature providing second information; anda computer programmed: to create at least one relationship between the first component and the second component based at least in part on the first feature and the second feature, andto evaluate the relationship based on at least one condition.

53. The system of claim 52, wherein at least one of the first component and the second component includes at least one of an implant, a trial implant and a bone.

54. The system of claim 53, wherein at least one of the first component and the second component includes at least one of a femoral component, a patello-femoral component, a tibial component, a femur, a tibia, and a patella.

55. The system of claim 52, wherein at least one of the first feature and the second feature includes at least one of a sensor, a signal emitter, a piezoelectric transducer, an optical etching, an optical marking, a marker, a pattern, a landmark, an interface for an instrument, a point, a line, an axis, a length, an arc center, a curve, a radius, a plane, a surface, an articular surface, a virtual feature, a correspondence point, an anatomic location, a soft tissue insertion/attachment point, a divot, a cavity, a size and an ID.

56. The system of claim 52, wherein at least one of the first information and the second information indicates at least one of a position, an orientation, a size, an identity, and a performance characteristic of the corresponding one of the first component and the second component.

57. The system of claim 52, wherein the at least one relationship is at least one of a distance, a distance limit, an angle, an angle limit, a tangent, an orientation, a moment arm length, a collinear orientation, a concentric orientation, a coplanar orientation and a potential implant position.

58. The system of claim 52, wherein the condition is at least one performance characteristic.

59. The system of claim 58, wherein the performance characteristic is at least one of wear, stress, kinematics, kinetics, fixation strength, ligament balance, anatomic fit and longevity.

60. The system of claim 53, wherein the computer is further programmed to propose a modification of the at least one relationship between the first component and the second component based on the at least one condition.

61. The system of claim 53, wherein the computer is further programmed to determine an optimal relationship between the first component and the second component, wherein the first component is a pre-existing implant in a suboptimal position.

62. A system for implanting a prosthetic device comprising: a plurality of components configured to be disposed in a joint, wherein each component includes at least one feature providing information; anda computer programmed: to create at least one relationship between the plurality of components based at least in part on the feature of the plurality of components, andto evaluate the relationship based on at least one condition.

63. A surgical method comprising the steps of: acquiring a first feature of a first component configured to be disposed in a joint;acquiring a second feature of a second component configured to be disposed in the joint;determining a relationship between the first feature and the second feature; andevaluating the relationship based on at least one condition.

64. The surgical method of claim 63, wherein at least one of the first component and the second component includes at least one of an implant and a trial implant.

65. The surgical method of claim 64, wherein at least one of the first component and the second component includes at least one of a femoral component, a patello-femoral component, and a tibial component.

66. The surgical method of claim 63, wherein at least one of the first feature and the second feature includes at least one of a sensor, a signal emitter, a piezoelectric transducer, an optical etching, an optical marking, a marker, a pattern, a landmark, and an interface for an instrument.

67. The surgical method of claim 63, wherein at least one of the first feature and the second feature indicates at least one of a position, an orientation, a size, an identity, and a performance characteristic of the corresponding one of the first component and the second component.

68. The surgical method of claim 63, wherein the at least one relationship is at least one of a distance, a distance limit, an angle, an angle limit, a tangent, an orientation, a moment arm length, a collinear orientation, a concentric orientation, a coplanar orientation and a potential implant position.

69. The surgical method of claim 63, wherein the condition is at least one performance characteristic.

70. The surgical method of claim 69, wherein the performance characteristic is at least one of wear, stress, kinematics, kinetics, fixation strength, ligament balance, anatomic fit and longevity.

71. The surgical method of claim 63, further comprising proposing a modification of the at least one relationship between the first component and the second component based on the at least one condition.

72. The surgical method of claim 63, wherein the first feature and second feature are acquired by at least one of laser probing, ultrasound probing, physical instrument probing, RFID detection, and CAD modeling.

73. A surgical method comprising the steps of: acquiring a first feature of a first component of a joint;acquiring a second feature of a second component of the joint;relating the first feature to the second feature based on a relationship; andmodifying the relationship based on a performance characteristic.

74. A surgical method comprising the steps of: acquiring a feature of a plurality of components configured to be disposed in a joint;creating a relationship between the features of the plurality of components; andevaluating the relationship based on at least one condition.

75. The surgical method of claim 74, wherein the acquiring step includes acquiring a feature of at least components and the creating step includes creating a relationship between the features of the at least three components.