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Facet screw and method for spinal stabilization
专利权人:
发明人:
Moti Altarac,Joey Reglos,John Fredrick Stephani
申请号:
US15004346
公开号:
US20160135852A1
申请日:
2016.01.22
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A spinal facet bone screw and minimally invasive surgical method of implanting a facet screw to stabilize the spine are provided. The facet screw includes an elongated body portion having a head, a threaded portion and a distal threadless portion. A pair of flutes formed in the elongated body extends from the distal end across the threadless portion and into the distal end of the threaded portion. The flute creates a self-tapping cutting surface that includes a heel edge that is curved with respect to the outer surface. The method of implantation comprises making a minimally invasive incision on the side of the midline contralateral to the target facet joint and delivering the screw across the interspinous process using the adjacent spinous processes as guideposts. The facet screw system fixes juxtaposed facet articular processes to enhance spinal fusion and stability and the method provides for accurate, repeatable and easy implantation.
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中国工程科技知识中心
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