Claims
- 1. A spinal implant comprising:
a body comprising:
an anterior side, a posterior side opposing the anterior side, and a pair of opposing side walls; the anterior side, the posterior side, and side walls joining at points that generally define, in transverse cross section, a trapezoid; said sides being generally outwardly curved; a top surface and a bottom surface, each of the top and bottom surfaces including plural projections for enhancing interaction with a synthetic or natural vertebral body; and a handling feature comprising at least one of a pair of elongated side recesses for receiving a manipulator and a front recess, the handling feature facilitating handling and insertion of the spinal implant into an intervertebral space.
- 2. The spinal implant of claim 1 wherein the generally outwardly curved sides are convex as viewed from outside said spinal implant.
- 3. The spinal implant of claim 1 wherein the body forms a lordotic angle of about −20 degrees to about +20 degrees.
- 4. The spinal implant of claim 1 wherein the height of the anterior side is greater than a height of the posterior side.
- 5. The spinal implant of claim 1 wherein the body substantially forms a trapezoidal shape in longitudinal cross-section.
- 6. The spinal implant of claim 1 wherein the projections are substantially uniform, upwardly protruding ribs.
- 7. The spinal implant of claim 1 wherein the projections are randomly disposed.
- 8. The spinal implant of claim 1 wherein the projections are substantially uniform, upwardly protruding, elongated ribs separated by concave channels.
- 9. The spinal implant of claim 8 wherein the projections are upwardly protruding spikes.
- 10. The spinal implant of claim 8 wherein the angular pitch of the projections is between 1.75 degrees to 1.9 degrees.
- 11. The spinal implant of claim 8 wherein the projections have a minimum depth of 0.022 inches.
- 12. The spinal implant of claim 8 wherein the projections have an internal radius of about 0.022 inches.
- 13. The spinal implant of claim 1 wherein the front recess is elongated with a major axis that is substantially transverse.
- 14. The spinal implant of claim 1 wherein orientation of the transverse cross section is perpendicular to the z-axis.
- 15. The spinal implant of claim 1 further comprising a body comprising a bioactive substance.
- 16. The spinal implant of claim 1 wherein the body consists entirely of bioactive material.
- 17. The spinal implant of claim 1 wherein the body comprises DUDMA and TEGDMA resins.
- 18. The spinal implant of claim 1 wherein the body comprises PEEK, carbon reinforced PEEK, carbon reinforced barium sulfate PEEK, resorbable PLA, PGA, PLA/PGA, PLLA, or polyethylene.
- 19. The spinal implant of claim 1 where in the body comprises titanium, stainless steel, or cobalt chromium.
- 20. The spinal implant of claim 1 wherein the handling feature consists of only the side recesses.
- 21. The spinal implant of claim 1 wherein the handling feature consists of only the front recess.
- 22. The spinal implant of claim 1 further comprising a front opening.
- 23. The spinal implant of claim 22 wherein the front opening is threaded.
- 24. The spinal implant of claim 1 wherein the handling feature includes both the side recesses and the front recess.
- 25. The spinal implant of claim 1 wherein the implant is in communication with other synthetic intervertebral bodies to aid in fusion of adjacent vertebrae.
- 26. A spinal implant comprising:
a body comprising a bioactive substance, further comprising:
sides that are generally outwardly curved in transverse cross-section; a top surface and a bottom surface, both surfaces coupled with the sides, each one of the top surface and the bottom surface forming plural projections for enhancing interaction with a synthetic or natural vertebral body; a major recess formed in the body in communication with at least one of the top surface and the bottom surface, and a handling feature comprising at least one of a pair of elongated side recesses for receiving a manipulator and a front recess, the handling feature facilitating handling and insertion of the spinal implant into an intervertebral space.
- 27. The spinal implant of claim 26 wherein the body forms a lordotic angle of about −20 degrees to about +20 degrees.
- 28. The spinal implant of claim 26 wherein the height of the anterior side is greater than the height of the posterior side.
- 29. The spinal implant of claim 26 wherein the body substantially forms a trapezoidal shape in longitudinal cross-section.
- 30. The spinal implant of claim 26 wherein the projections are substantially uniform, upwardly protruding ribs.
- 31. The spinal implant of claim 26 wherein the projections are randomly disposed.
- 32. The spinal implant of claim 26 wherein the projections are upwardly protruding spikes.
- 33. The spinal implant of claim 26 wherein the projections are substantially uniform, upwardly protruding, elongated ribs separated by concave channels.
- 34. The spinal implant of claim 33 wherein the angular pitch of the projections is between 1.75 degrees to 1.9 degrees.
- 35. The spinal implant of claim 33 wherein the projections have a minimum depth of 0.022 inches.
- 36. The spinal implant of claim 33 wherein the projections have an internal radius of about 0.022 inches.
- 37. The spinal implant of claim 26 wherein the front recess is elongated with a major axis that is substantially transverse.
- 38. The spinal implant of claim 26 wherein orientation of the transverse cross section is perpendicular to the z-axis.
- 39. The spinal implant of claim 26 wherein the body consists entirely of bioactive material.
- 40. The spinal implant of claim 26 wherein the body comprises DUDMA and TEGDMA resins.
- 41. The spinal implant of claim 26 wherein the body comprises PEEK, carbon reinforced PEEK, carbon reinforced barium sulfate PEEK, resorbable PLA, PGA, PLA/PGA, PLLA, or polyethylene.
- 42. The spinal implant of claim 26 where in the body comprises Titanium, stainless steel, or cobalt chromium.
- 43. The spinal implant of claim 26 wherein the handling feature consists of the side recesses.
- 44. The spinal implant of claim 26 wherein the handling feature consists of the front recess.
- 45. The spinal implant of claim 26 wherein the handling feature further comprises a front opening.
- 46. The spinal implant of claim 45 wherein the front opening is threaded.
- 47. The spinal implant of claim 26 wherein the handling feature includes both the side recesses and the front recess.
- 48. The spinal implant of claim 26 wherein the major recess forms a longitudinal through-aperture.
- 49. The spinal implant of claim 26 wherein the recess contains a bone graft material.
- 50. The spinal implant of claim 26 further comprising side apertures formed in the sides.
- 51. The spinal implant of claim 26 wherein the handling feature includes an aperture formed in communication with the front recess.
- 52. The spinal implant of claim 26 wherein the implant is in communication with other synthetic intervertebral bodies to aid in fusion of adjacent vertebrae.
- 53. A spinal implant comprising:
a body comprising a bioactive substance, further comprising:
an anterior side, a posterior side opposing the anterior side, and a pair of opposing sidewalls, said sidewalls being generally outwardly curved; a top surface and a bottom surface, both surfaces coupled with the sides, each one of the top surface and the bottom surface forming plural projections for enhancing interaction with a synthetic or natural vertebral body; at least one major recess formed in the body in communication with at least one of the top surface and the bottom surface; a handling feature comprising recesses in the top and bottom surfaces in communication with the anterior and posterior sides and at least one recess in the anterior or sidewalls, the handling feature facilitating handling and insertion of the spinal implant into an intervertebral space.
- 54. The spinal implant of claim 53 wherein the anterior and posterior sides are parallel.
- 55. The spinal implant of claim 53 wherein the anterior and posterior sides are generally outwardly curved.
- 56. The spinal implant of claim 53 wherein the lordotic angle ranges from about −20 degrees to about +20 degrees.
- 57. The spinal implant of claim 53 wherein the height of the anterior side is greater than a height of the posterior side.
- 58. The spinal implant of claim 53 wherein the major recess forms a longitudinal through-aperture.
- 59. The spinal implant of claim 53 wherein two major recesses form two longitudinal through apertures.
- 60. The spinal implant of claim 53 wherein the body substantially forms an oval shape in longitudinal cross-section.
- 61. The spinal implant of claim 53 wherein the projections are substantially uniform, upwardly protruding ribs.
- 62. The spinal implant of claim 53 wherein the projections are substantially uniform, upwardly protruding, elongated ribs separated by concave channels.
- 63. The spinal implant of claim 62 wherein the angular pitch of the projections is between 1.75 degrees to 1.9 degrees.
- 64. The spinal implant of claim 62 wherein the projections have a minimum depth of 0.022 inches.
- 65. The spinal implant of claim 62 wherein the projections have an internal radius of about 0.022 inches.
- 66. The spinal implant of claim 53 wherein the projections are randomly disposed.
- 67. The spinal implant of claim 53 wherein the projections are upwardly protruding spikes.
- 68. The spinal implant of claim 53 wherein the front recess is elongated with a major axis that is substantially transverse.
- 69. The spinal implant of claim 53 wherein orientation of the transverse cross section is perpendicular to the z-axis.
- 70. The spinal implant of claim 53 wherein the body consists entirely of bioactive material.
- 71. The spinal implant of claim 53 wherein the body comprises DUDMA and TEGDMA resins.
- 72. The spinal implant of claim 53 wherein the body comprises PEEK, carbon reinforced PEEK, carbon reinforced barium sulfate PEEK, resorbable PLA, PGA, PLA/PGA, PLLA, or polyethylene.
- 73. The spinal implant of claim 53 where in the body comprises Titanium, stainless steel, or cobalt chromium.
- 74. The spinal implant of claim 53 wherein the handling feature consists of only the side recesses.
- 75. The spinal implant of claim 53 wherein the handling feature consists of only the front recess.
- 76. The spinal implant of claim 53 wherein the handling feature includes both the side recesses and the front recess.
- 77. The spinal implant of claim 53 wherein the handling feature further comprises a front opening.
- 78. The spinal implant of claim 77 wherein the front opening is threaded.
- 79. The spinal implant of claim 53 wherein the implant is in communication with other synthetic intervertebral bodies to aid in fusion of adjacent vertebrae.
- 80. A spinal implant comprising:
a body comprising a bioactive substance, further comprising:
an anterior side, a posterior side opposing the anterior side, and a pair of opposing sidewalls, said sidewalls being generally outwardly curved; a top surface and a bottom surface, both surfaces coupled with the sides, each one of the top surface and the bottom surface forming plural projections for enhancing interaction with a synthetic or natural vertebral body; at least one major recess formed in the body in communication with at least one of the top surface and the bottom surface; a handling feature comprising recesses in the top and bottom surfaces in communication with the anterior and posterior sides and at least one recess in the anterior or sidewalls for receiving an impaction tool, the handling feature facilitating handling and insertion of the spinal implant into an intervertebral space; and a fastening feature comprising at least one through-aperture in communication with the anterior side and either the top or bottom surface for insertion of fasteners that communicate with a synthetic or natural vertebral body.
- 81. The spinal implant of claim 80 wherein the anterior and posterior sides are parallel.
- 82. The spinal implant of claim 80 wherein the anterior and posterior sides are generally outwardly curved.
- 83. The spinal implant of claim 80 wherein the lordotic angle ranges from about −20 degrees to about +20 degrees.
- 84. The spinal implant of claim 80 wherein the height of the anterior side is greater than a height of the posterior side.
- 85. The spinal implant of claim 80 wherein the major recess forms a longitudinal through-aperture.
- 86. The spinal implant of claim 80 wherein two major recesses form two longitudinal through apertures.
- 87. The spinal implant of claim 80 wherein the body substantially forms an oval shape in longitudinal cross-section.
- 88. The spinal implant of claim 80 wherein the projections are substantially uniform, upwardly protruding ribs.
- 89. The spinal implant of claim 80 wherein the projections are substantially uniform, upwardly protruding, elongate ribs separated by concave channels.
- 90. The spinal implant of claim 89 wherein the angular pitch of the projections is between 1.75 degrees to 1.9 degrees.
- 91. The spinal implant of claim 89 wherein the projections have a minimum depth of 0.022 inches.
- 92. The spinal implant of claim 89 wherein the projections have an internal radius of about 0.022 inches.
- 93. The spinal implant of claim 80 wherein the projections are randomly disposed.
- 94. The spinal implant of claim 80 wherein the projections are upwardly protruding spikes.
- 95. The spinal implant of claim 80 wherein the front recess is elongated with a major axis that is substantially transverse.
- 96. The spinal implant of claim 80 wherein orientation of the transverse cross section is perpendicular to the z-axis.
- 97. The spinal implant of claim 80 wherein the body consists entirely of bioactive material.
- 98. The spinal implant of claim 80 wherein the body comprises DUDMA and TEGDMA resins.
- 99. The spinal implant of claim 80 wherein the body comprises PEEK, carbon reinforced PEEK, carbon reinforced barium sulfate PEEK, resorbable PLA, PGA, PLA/PGA, PLLA, or polyethylene.
- 100. The spinal implant of claim 80 where in the body comprises titanium, stainless steel, or cobalt chromium.
- 101. The spinal implant of claim 80 wherein the handling feature consists of only the side recesses.
- 102. The spinal implant of claim 80 wherein the handling feature consists of only the front recess.
- 103. The spinal implant of claim 80 wherein the handling feature includes both the side recesses and the front recess.
- 104. The spinal implant of claim 80 wherein the handling feature further comprises a front opening.
- 105. The spinal implant of claim 104 wherein the front opening is threaded.
- 106. The spinal implant of claim 80 wherein the fastening feature has two through-apertures.
- 107. The spinal implant of claim 80 wherein the through-apertures of the fastening features are threaded.
- 108. The spinal implant of claim 80 wherein the fasteners are screws, pins, or nails.
- 109. The spinal implant of claim 80 wherein the implant is in communication with other synthetic intervertebral bodies to aid in fusion of adjacent vertebrae.
- 110. A spinal implant comprising:
a body comprising a bioactive substance, further comprising:
an anterior side and a posterior side being parallel to and opposing the anterior side; a mesial side and a lateral side with one side being outwardly curved and the other being inwardly curved; a top surface and a bottom surface, each of the top and bottom surfaces including plural projections for enhancing interaction with a synthetic or natural vertebral body; a major recess formed in the body creating a longitudinal through-aperture in communication with the top and bottom surfaces, at least one minor recess formed in the body creating a latitudinal through-aperture in communication with the mesial and lateral sides, both through apertures in communication with each other; and a handling feature comprising a pair of anterior recesses formed at points where the anterior side communicates with the mesial and laterial sides, said recesses used for receiving a manipulator, a pair of posterior recess formed at points where the posterior side communicates with the mesial and lateral sides, and a front recess formed in the anterior side and a rear recess formed in the posterior side both communicating with a through-aperture, the handling feature facilitating handling and insertion of the spinal implant into an intervertebral space.
- 111. The spinal implant of claim 110 wherein at least one of the top or bottom surfaces is outwardly curved.
- 112. The spinal implant of claim 110 wherein only one of the top or bottom surfaces is outwardly curved.
- 113. The spinal implant of claim 110 wherein the lordotic angle ranges from about −20 degrees to about +20 degrees.
- 114. The spinal implant of claim 110 wherein the height of the anterior side is greater than a height of the posterior side.
- 115. The spinal implant of claim 110 wherein the projections are substantially uniform, upwardly protruding ribs.
- 116. The spinal implant of claim 110 wherein the projections are substantially uniform, upwardly protruding, elongated ribs separated by concave channels.
- 117. The spinal implant of claim 116 wherein the angular pitch of the projections is between 1.75 degrees to 1.9 degrees.
- 118. The spinal implant of claim 116 wherein the projections have a minimum depth of 0.022 inches.
- 119. The spinal implant of claim 116 wherein the projections have an internal radius of about 0.022 inches.
- 120. The spinal implant of claim 110 wherein the projections are randomly disposed.
- 121. The spinal implant of claim 110 wherein the projections are upwardly protruding spikes.
- 122. The spinal implant of claim 110 wherein the front recess is elongated with a major axis that is substantially transverse.
- 123. The spinal implant of claim 110 wherein the body consists entirely of bioactive material.
- 124. The spinal implant of claim 110 wherein the body comprises DUDMA and TEGDMA resins.
- 125. The spinal implant of claim 110 wherein the body comprises PEEK, carbon reinforced PEEK, carbon reinforced barium sulfate PEEK, resorbable PLA, PGA, PLA/PGA, PLLA, or polyethylene.
- 126. The spinal implant of claim 110 where in the body comprises titanium, stainless steel, or cobalt chromium.
- 127. The spinal implant of claim 110 wherein the implant is in communication with other synthetic intervertebral bodies to aid in fusion of adjacent vertebrae.
- 128. A spinal implant comprising:
a body comprising a bioactive substance, further comprising:
an anterior side and a posterior side being parallel to and opposing the anterior side; a mesial side and a lateral side with at least one side being outwardly curved; a top surface and a bottom surface, each of the top and bottom surfaces including plural projections for enhancing interaction with a synthetic or natural vertebral body; a major recess formed in the body creating a longitudinal through-aperture in communication with the top and bottom surfaces; a handling feature comprising a pair of anterior recesses formed at points where the anterior side communicates with the mesial and lateral sides, said recesses used for receiving a manipulator, a pair of posterior recesses formed at points where the posterior side communicates with the mesial and lateral sides, and a front recess formed in the anterior side and a rear recess formed in the posterior side both communicating with a through-aperture, the handling feature facilitating handling and insertion of the spinal implant into an intervertebral space.
- 129. The spinal implant of claim 128 wherein one of the mesial or lateral sides is inwardly curved.
- 130. The spinal implant of claim 128 further comprising at least one minor recess formed in the body of the implant creating a latitudinal through-aperture in communication with the mesial and lateral sides.
- 131. The spinal implant of claim 130 having two minor recesses.
- 132. The spinal implant of claim 128 wherein at least on of the top or bottom surfaces are outwardly curved.
- 133. The spinal implant of claim 128 wherein only one of the top or bottom surfaces are outwardly curved.
- 134. The spinal implant of claim 128 wherein the lordotic angle ranges from about −20 degrees to about +20 degrees.
- 135. The spinal implant of claim 128 wherein the height of the anterior side is greater than a height of the posterior side.
- 136. The spinal implant of claim 128 wherein the projections are substantially uniform, upwardly protruding ribs.
- 137. The spinal implant of claim 128 wherein the projections are substantially uniform, upwardly protruding, elongate ribs separated by concave channels.
- 138. The spinal implant of claim 137 wherein the angular pitch of the projections is between 1.75 degrees to 1.9 degrees.
- 139. The spinal implant of claim 137 wherein the projections have a minimum depth of 0.022 inches.
- 140. The spinal implant of claim 137 wherein the projections have an internal radius of about 0.022 inches.
- 141. The spinal implant of claim 128 wherein the projections are randomly disposed.
- 142. The spinal implant of claim 128 wherein the projections are upwardly protruding spikes.
- 143. The spinal implant of claim 128 wherein the front recess is elongated with a major axis that is substantially transverse.
- 144. The spinal implant of claim 128 wherein the body consists entirely of bioactive material.
- 145. The spinal implant of claim 128 wherein the body comprises DUDMA and TEGDMA resins.
- 146. The spinal implant of claim 128 wherein the body comprises PEEK, carbon reinforced PEEK, carbon reinforced barium sulfate PEEK, resorbable PLA, PGA, PLA/PGA, PLLA, or polyethylene.
- 147. The spinal implant of claim 128 where in the body comprises titanium, stainless steel, or cobalt chromium.
- 148. The spinal implant of claim 128 wherein the implant is in communication with other synthetic intervertebral bodies to aid in fusion of adjacent vertebrae.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority to U.S. Provisional Application No. 60/339,871, filed on Dec. 12, 2001. The contents of which are incorporated herein by reference in its entirety.
Provisional Applications (1)
|
Number |
Date |
Country |
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60339871 |
Dec 2001 |
US |