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SYSTÈME ET PROCÉDÉ DE FUSION VERTÉBRALE À EFFRACTION MINIMALE
专利权人:
LLC;ZYNFUSION
发明人:
DIX, James, Earl
申请号:
USUS2015/045033
公开号:
WO2016/028596A1
申请日:
2015.08.13
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Disclosed herein are minimally invasive systems and method for stabilizing the spine, while preserving a degree of spinal flexion and extension of the spine at the level of the stabilized vertebrae postoperatively. The methods can include the steps of, for example, inserting a hollow needle through a central lumen of an introducer cannula into the interior of a first vertebral body, through an intervertebral disc, and into the interior of a second vertebral body adjacent the first vertebral body; inserting an anchor through a central lumen of the hollow needle such that a distal end of the anchor is within the interior of the second vertebral body, a proximal end of the anchor is within the interior of the first vertebral body, and a central portion of the anchor spans the intervertebral disc; expanding the distal end of the anchor within the interior of the second vertebral body; expanding the proximal end of the anchor within the interior of the first vertebral body; flowing a first volume of bone cement media into the distal end of the anchor within the interior of the second vertebral body; flowing a second volume of bone cement media into the proximal end of the anchor within the interior of the first vertebral body; and inserting a flexible rod through the central lumen of the hollow needle, such that a distal portion of the flexible rod is positioned within the interior of the second vertebral body and in contact with the first volume of bone cement media, the proximal portion of the flexible rod is positioned within the interior of the first vertebral body and in contact with the second volume of bone cement media, and a central portion of the rod spans the intervertebral disc, wherein the flexible rod resides at least partially within an interior of the anchor.La présente invention concerne un procédé et des systèmes à effraction minimale pour stabiliser la colonne vertébrale, tout en conservant un degré de flexion vertébrale et l'extension de la colonne ve
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