IMPLANT DEVICE HAVING A NON-PLANAR SURFACE

• US 20150282945A1
• Filed: 06/18/2015
• Published: 10/08/2015
• Est. Priority Date: 12/18/2008
• Status: Active Grant

• Current Assignee: 4WEB LLC
• Original Assignee: 4Web, Inc.
• Inventors: Hunt, Jessee
• Granted Patent: US 9,999,516 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 17/025 Joint distractors
• CPC Class Codes: A61B 17/1604 Chisels; Rongeurs; Punches; Stamps
• CPC Class Codes: A61B 17/56 Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
• CPC Class Codes: A61B 17/58 for osteosynthesis, e.g. bone plates, screws , setting implements or the like A61B17/14, A61B17/16 take precedence
• CPC Class Codes: A61B 17/68 Internal fixation devices , including fasteners and spinal fixators, even if a part thereof projects from the skin bone staples A61B17/0642
• CPC Class Codes: A61F 2/28 Bones joints A61F2/30
• CPC Class Codes: A61F 2/2803 for mandibular reconstruction temporo-mandibular joints A61F2/3099; bone plates for the jaw A61B17/8071
• CPC Class Codes: A61F 2/2846 Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects nets or sleeves applied to surface of endoprostheses A61F2/30907; bone plates A61B17/80; bone regeneration in dental surgery A61C8/0006
• 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 2/3094 Designing or manufacturing processes
• CPC Class Codes: A61F 2/32 for the hip
• CPC Class Codes: A61F 2/36 Femoral heads ; Femoral endoprostheses
• CPC Class Codes: A61F 2/38 for elbows or knees
• CPC Class Codes: A61F 2/40 for shoulders
• CPC Class Codes: A61F 2/4202 for ankles
• CPC Class Codes: A61F 2/4225 for feet, e.g. toes
• CPC Class Codes: A61F 2/4455 for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages intervertebral discs A61F2/442
• CPC Class Codes: A61F 2/447 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
• CPC Class Codes: A61F 2/4611 : of spinal prostheses
• CPC Class Codes: A61F 2002/2817 : Bone stimulation by chemical reactions or by osteogenic or biological products for enhancing ossification, e.g. by bone morphogenetic or morphogenic proteins [BMP] or by transforming growth factors [TGF]
• CPC Class Codes: A61F 2002/2835 : Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
• CPC Class Codes: A61F 2002/30153 : rectangular
• CPC Class Codes: A61F 2002/30156 : triangular
• CPC Class Codes: A61F 2002/30158 : trapezoidal
• CPC Class Codes: A61F 2002/30179 : X-shaped
• CPC Class Codes: A61F 2002/30273 : pyramidal
• CPC Class Codes: A61F 2002/30275 : tetrahedral, i.e. having a triangular basis
• CPC Class Codes: A61F 2002/3028 : polyhedral different from parallelepipedal and pyramidal
• CPC Class Codes: A61F 2002/30281 : wedge-shaped
• CPC Class Codes: A61F 2002/30593 : hollow
• CPC Class Codes: A61F 2002/30599 : stackable
• CPC Class Codes: A61F 2002/30841 : Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
• CPC Class Codes: A61F 2002/30899 : Protrusions pierced with apertures
• CPC Class Codes: A61F 2002/30909 : Nets
• CPC Class Codes: A61F 2002/30914 : Details of the mesh structure, e.g. disposition of the woven warp and weft wires
• CPC Class Codes: A61F 2002/3092 : having an open-celled or open-pored structure
• CPC Class Codes: A61F 2002/30943 : using mathematical models
• CPC Class Codes: A61F 2002/30952 : using CAD-CAM techniques or NC-techniques
• CPC Class Codes: A61F 2002/30953 : using a remote computer network, e.g. Internet
• CPC Class Codes: A61F 2002/30957 : using a positive or a negative model, e.g. moulds
• CPC Class Codes: A61F 2002/30962 : using stereolithography
• CPC Class Codes: A61F 2002/30968 : Sintering
• CPC Class Codes: A61F 2002/3097 : using laser
• CPC Class Codes: A61F 2002/4628 : with linear motion along or rotating motion about an axis transverse to the instrument axis or to the implantation direction, e.g. clamping
• CPC Class Codes: A61F 2210/0076 : multilayered, e.g. laminated structures
• CPC Class Codes: A61F 2230/0063 : Three-dimensional shapes
• CPC Class Codes: A61F 2310/00011 : Metals or alloys
• CPC Class Codes: A61F 2310/00017 : Iron- or Fe-based alloys, e.g. stainless steel
• CPC Class Codes: A61F 2310/00023 : Titanium or titanium-based alloys, e.g. Ti-Ni alloys
• CPC Class Codes: A61F 2310/00029 : Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
• CPC Class Codes: A61F 2310/00047 : Aluminium or Al-based alloys
• CPC Class Codes: A61F 2310/00179 : Ceramics or ceramic-like structures
• CPC Class Codes: A61F 2310/00598 : Coating or prosthesis-covering structure made of compounds based on metal oxides or hydroxides
• CPC Class Codes: A61F 2310/00796 : Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
• CPC Class Codes: A61F 2310/00958 : Coating or prosthesis-covering structure made of bone or of bony tissue
• CPC Class Codes: A61F 2310/0097 : Coating or prosthesis-covering structure made of pharmaceutical products, e.g. antibiotics
• CPC Class Codes: A61F 2310/00976 : Coating or prosthesis-covering structure made of proteins or of polypeptides, e.g. of bone morphogenic proteins BMP or of transforming growth factors TGF
• CPC Class Codes: B33Y 70/00 : Materials specially adapted for additive manufacturing
• CPC Class Codes: B33Y 80/00 : Products made by additive manufacturing

Abstract

In various embodiments, an implant for interfacing with a bone structure includes a web structure including a space truss. The space truss includes two or more planar truss units having a plurality of struts joined at nodes and the web structure is configured to interface with human bone tissue. In some embodiments, a method is provided that includes accessing an intersomatic space and inserting an implant into the intersomatic space. The implant includes a web structure including a space truss. The space truss includes two or more planar truss units having a plurality of struts joined at nodes and the web structure is configured to interface with human bone tissue.

Claims

1-56. -56. (canceled)

57. An implant comprising an internal web structure, wherein the internal web structure comprises:

a plurality of planar truss units coupled to each other, the planar truss units comprising a plurality of struts coupled to a plurality of nodes;

wherein one or more angles defined by two struts and a node of one or more planar truss units are different than one or more corresponding angles defined by two struts and a node of one or more other planar truss units, wherein connecting exterior surface struts couple the nodes of the non-equivalent angle planar truss units to each other such that the implant has a varied height.

58. The implant of claim 57, wherein the plurality of planar truss units comprise one or more planar triangular truss units having three substantially straight struts and three nodes in a triangular configuration.

59. The implant of claim 57, wherein the plurality of planar truss units are coupled to one another such that one or more planar truss units lie in a plane that is not substantially parallel to a plane of a planar truss unit that shares at least one strut with the one or more planar truss units.

60. The implant of claim 57, wherein a plurality of planar truss units define an external truss structure the at least partially encloses the internal web structure.

61. The implant of claim 57, wherein the at least some of the connecting exterior surface struts define triangular trusses having at least one node shared by two different triangular planar truss units having different corresponding angles.

62. The implant of claim 57, wherein the plurality of planar truss units comprises a first planar triangular truss unit coupled to a second planar triangular truss unit, wherein the first and second planar triangular truss units are coupled in an opposing manner with a single node defining the apex of each planar triangular truss unit.

63. The implant of claim 57, wherein the non-planar surface is a substantially rounded surface.

64. The implant of claim 57, wherein one or more of the connecting exterior surface struts are curved to form a rounded exterior surface of the implant.

65. The implant of claim 57, wherein at least a portion of the one or more of the planar truss units extend beyond the non-planar surface.

66. An implant comprising an internal web structure, wherein the internal web structure comprises:

a plurality of side surface planar truss units defining an exterior side surface of the implant, the side surface planar truss units comprising a plurality of struts coupled to a plurality of nodes;

a plurality of surface struts extending from one or more of the nodes of one or more of the side surface planar truss units toward the interior portion of the implant, wherein the angle between the surface struts and the struts defining the side surface planar truss units is substantially greater than, or substantially less than 90; and

a plurality of interior nodes coupling the surface struts to each other to define an exterior surface of the implant.

67. The implant of claim 66, wherein the plurality of planar truss units comprise one or more planar triangular truss units having three substantially straight struts and three nodes in a triangular configuration.

68. The implant of claim 66, wherein the plurality of planar truss units are coupled to one another such that one or more planar truss units lie in a plane that is not substantially parallel to a plane of a planar truss unit that shares at least one strut with the one or more planar truss units.

69. The implant of claim 66, wherein a plurality of planar truss units define an external truss structure the at least partially encloses the internal web structure.

70. The implant of claim 66, wherein the at least some of the connecting exterior surface struts define triangular trusses having at least one node shared by two different triangular planar truss units having different corresponding angles.

71. The implant of claim 66, wherein the plurality of planar truss units comprises a first planar triangular truss unit coupled to a second planar triangular truss unit, wherein the first and second planar triangular truss units are coupled in an opposing manner with a single node defining the apex of each planar triangular truss unit.

72. The implant of claim 66, wherein the non-planar surface is a substantially rounded surface.

73. The implant of claim 66, wherein one or more of the connecting exterior surface struts are curved to form a rounded exterior surface of the implant.

74. The implant of claim 66, wherein at least a portion of the one or more of the planar truss units extend beyond the non-planar surface.

75. A method, comprising:

installing, between two separated bone portions, an implant comprising an internal web structure, wherein the internal web structure comprises;

a plurality of planar truss units coupled to each other, the planar truss units comprising a plurality of struts coupled to a plurality of nodes;

wherein one or more angles defined by two struts and a node of one or more planar truss units are different than one or more corresponding angles defined by two struts and a node of one or more other planar truss units, wherein connecting exterior surface struts couple the nodes of the non-equivalent angle planar truss units to each other, defining a non-planar surface.

76. A method, comprising:

installing, between two separated bone portions, an implant comprising an internal web structure, wherein the internal web structure comprises;

a plurality of side surface planar truss units defining an exterior side surface of the implant, the side surface planar truss units comprising a plurality of struts coupled to a plurality of nodes;

a plurality of surface struts extending from one or more of the nodes of one or more of the side surface planar truss units toward the interior portion of the implant, wherein the angle between the surface struts and the struts defining the side surface planar truss units is substantially greater than, or substantially less than 90; and

a plurality of interior nodes coupling the surface struts to each other to define an exterior surface of the implant.