Minimally invasive vertebral laminar reconstructive plate

摘要

A laminar plate that reconstructs or supports the lamina of a vertebra after lamina bone has been removed during spinal surgery and prevents bone growth material from entering the spinal canal. The laminar plate spans a gap from the removed lamina bone and is coupled to, or proximate to, and between a facet and the spinous process by screwing the plate to the bone.

主权项

1. A laminar plate for bracing a vertebra at a location where lamina bone has been removed by spinal surgery, wherein the removed lamina bone creates an opening in the vertebra exposing a spinal canal, said plate comprising a center plate portion, a first end portion at a first end of the center plate portion and a second end portion at a second end of the center plate portion so that the plate is only a single continuous plate member, wherein at least one of the first end portion and the second end portion of the plate is angled other than 180° relative to the center plate portion, and wherein the first end portion is configured to be coupled to a spinous process of the vertebra or proximate thereto and the second end portion is configured to be coupled to a facet of the vertebra or proximate thereto, and wherein the continuous plate member is shaped and configured to be attached to the vertebra so that the center plate portion is recessed within the opening and positioned at a location within the vertebra that is more inward toward the spinal canal than the first and second end portions such that the first and second end portions are angled from the center plate portion away from the spinal canal, said plate member being effective to accept and hold a bone graft material on a surface of the plate member opposite from the spinal canal.