Distractor for use in spinal surgery

Details Distractor for use in spinal surgery Distractor for use in spinal surgery

A - Human Necessities

61

F

A61F 2/46 (2006.01) A61B 17/88 (2006.01)

Patent

CA 2525652

A distractor for use in urging adjacent vertebral endplates of two adjacent vertebral bodies apart, comprises a body, and a disc penetrating extension extending from said body for insertion between the adjacent vertebral bodies. The extension has upper and lower portions adapted to bear against the adjacent vertebral endplates of the adjacent vertebral bodies and opposed side portions between said upper and lower portions. The disc penetrating extension having a leading end with an opening into a hollow adapted to contain disc material within the extension, said opening of said leading end having a maximum height between said upper and lower portions that is greater than a combined thickness of said upper and lower portions. In some embodiments, the upper and lower portions are angled relative to one another to induce lordosis between the adjacent vertebral bodies. In other embodiments, the body has a portion configured to limit the insertion of the extension between the adjacent vertebral bodies.

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