BONE IMPLANT INTERFACE SYSTEM AND METHOD

• US 20110313532A1
• Filed: 06/18/2010
• Published: 12/22/2011
• Est. Priority Date: 06/18/2010
• Status: Abandoned Application

• Current Assignee: 4WEB LLC
• Original Assignee: 4WEB LLC
• Inventors: Hunt, Jessee
• Application Number:
  US12/818,508
• Publication Number:
  US 20110313532A1
• Time in Patent Office: Days
• US Class Current: 623/18.11
• CPC Class Codes: A61F 2/30767 Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
• CPC Class Codes: A61F 2/30771 applied in original prostheses, e.g. holes or grooves
• CPC Class Codes: A61F 2/30907 Nets or sleeves applied to surface of prostheses or in cement
• CPC Class Codes: A61F 2/38 for elbows or knees
• CPC Class Codes: A61F 2/40 for shoulders
• CPC Class Codes: A61F 2/447 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
• CPC Class Codes: A61F 2/46 Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
• CPC Class Codes: A61F 2002/30131 horseshoe- or crescent- or C-shaped or U-shaped
• CPC Class Codes: A61F 2002/30176 V-shaped
• CPC Class Codes: A61F 2002/30273 pyramidal
• CPC Class Codes: A61F 2002/30593 hollow
• CPC Class Codes: A61F 2002/30823 having the shape of a reverse dovetail
• CPC Class Codes: A61F 2002/30838 Microstructures
• CPC Class Codes: A61F 2002/30841 Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
• CPC Class Codes: A61F 2002/30843 Pyramidally-shaped
• CPC Class Codes: A61F 2002/30883 dovetail-shaped

Abstract

An orthopedic implant that includes an implant body having a bone contact surface to be in contact or near contact with a bone structure during use, wherein the bone contact surface has a bone interface structure protruding therefrom. The bone interface structure includes a first elongated portion to be at least partially pressed into the bone structure during use, and a second elongated portion to be at least partially pressed into the bone structure during use. The second elongated portion is coupled to the first elongated portion and extends from the first elongated portion at an angle oblique to the first elongated portion.

Claims

1-48. -48. (canceled)

49. An orthopedic implant, comprising:

an implant body comprising a bone contact surface configured to be in contact or near contact with a bone structure during use, wherein the bone contact surface comprises a bone interface structure protruding therefrom,

wherein the bone interface structure comprises a first elongated portion configured to be at least partially pressed into the bone structure during use, and a second elongated portion configured to be at least partially pressed into the bone structure during use, wherein the second elongated portion is coupled to the first elongated portion and extends from the first elongated portion at an angle oblique to the first elongated portion.

50. The orthopedic implant of claim 49, wherein the bone interface structure comprises a two dimensional structure extending from the bone contact surface.

51. The orthopedic implant of claim 50, wherein the bone interface structure comprises a V-shaped structure extending from the bone contact surface.

52. The orthopedic implant of claim 50, wherein the bone interface structure comprises a U-shaped structure extending from the bone contact surface.

53. The orthopedic implant of claim 50, wherein the bone interface structure comprises a hook-shaped structure extending from the bone contact surface.

54. The orthopedic implant of claim 49, wherein the bone interface structure comprises a three dimensional structure extending from the bone contact surface.

55. The orthopedic implant of claim 54, wherein the bone interface structure comprises a plurality of rods directly coupled to one another.

56. The orthopedic implant of claim 54, wherein the bone interface structure comprises two or more triangular truss structures extending from the bone contact surface, wherein two or more of the triangular truss structures share at least one common strut.

57. The orthopedic implant of claim 49, wherein one or more portions of the bone interface structure comprises a cylindrical shaped rod member.

58. The orthopedic implant of claim 49, wherein one or more portions of the bone interface structure comprises a biologic, growth factor or pain medication disposed thereon.

59. The orthopedic implant of claim 49, wherein at least one of the first and second elongated portions comprises a longitudinal axis that is curved along its length.

60. A method, comprising:

providing an orthopedic implant, comprising;

an implant body comprising a bone contact surface configured to be in contact or near contact with a bone structure during use, wherein the bone contact surface comprises a bone interface structure protruding therefrom,

wherein the bone interface structure comprises a first elongated portion configured to be at least partially pressed into the bone structure during use, and a second elongated portion configured to be at least partially pressed into the bone structure during use, wherein the second elongated portion is coupled to the first elongated portion and extends from the first elongated portion at an angle oblique to the first elongated portion; and

inserting the bone interface structure into the bone structure such that that bone contact surface is in contact or near contact with the bone structure.

61. The method of claim 60, wherein the inserting comprises at least partially pressing the bone interface structure into the bone structure such that portions of the bone interface structure penetrate the bone structure.

62. The method of claim 60, wherein the inserting comprises providing slits in the bone structure using a cutting tool, and disposing at least a portion of the bone interface structure into at least a portion of the slits.

63. The method of claim 60, wherein the bone interface structure comprises a two dimensional structure extending from the bone contact surface.

64. The method of claim 63, wherein the bone interface structure comprises a V-shaped structure extending from the bone contact surface.

65. The method of claim 63, wherein the bone interface structure comprises a U-shaped structure extending from the bone contact surface.

66. The method of claim 63, wherein the bone interface structure comprises a hook-shaped structure extending from the bone contact surface.

67. The method of claim 60, wherein the bone interface structure comprises a three dimensional structure extending from the bone contact surface.

68. The method of claim 67, wherein the bone interface structure comprises a plurality of rods directly coupled to one another.

69. The method of claim 67, wherein the bone interface structure comprises two or more triangular truss structures extending from the bone contact surface, wherein two or more of the triangular truss structures share at least one common strut.

70. The method of claim 60, wherein one or more portions of the bone interface structure comprises a cylindrical shaped rod member.

71. The method of claim 60, wherein one or more portions of the bone interface structure comprises a biologic, growth factor or pain medication disposed thereon.

72. The method of claim 60, wherein at least one of the first and second elongated portions comprises a longitudinal axis that is curved along its length.

73. An orthopedic implant, comprising:

an implant body comprising;

a bone contact surface configured to be in contact or near contact with bone structure during use; and

a bone interface structure protruding from the contact surface, wherein the bone interface structure comprises a space truss, and wherein the bone interface structure is configured to be disposed within the bone structure during use.

74. The orthopedic implant of claim 73, wherein the rod structure comprises a plurality of rods directly coupled to one another.

75. The orthopedic implant of claim 73, wherein the space truss comprises two or more triangular truss structures extending from the bone contact surface, wherein two or more of the triangular truss structures share at least one common strut.

76. The orthopedic implant of claim 73, wherein the space truss comprises a triangular space truss formed of three planar truss units.

77. The orthopedic implant of claim 73, wherein one or more portions of the bone interface structure comprises a cylindrical shaped rod member.

78. The orthopedic implant of claim 73, wherein one or more portions of the bone interface structure comprises a biologic, growth factor or pain medication disposed thereon.