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Expandable cage for vertebral surgery involving lumbar intersomatic fusion by a transforaminal posterior approach
Expandable cage for vertebral surgery involving lumbar intersomatic fusion by a transforaminal posterior approach
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机译:经椎间孔后路入路的椎间盘融合术,涉及腰椎间质融合
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摘要
An implant of the intersomatic cage type, for fusion of vertebral bodies by a transforaminal approach, is disclosed that comprises a body with a curved profile that is designed to be implanted between the vertebral plates of two adjacent vertebrae. According to the invention, said body of curved profile comprises a posterior maneuvering part and an anterior attack part, said anterior attack part being composed of a lower tongue and of an upper tongue that are designed to receive between them a spacer element that can slide between a position of introduction, in which it is situated near said posterior maneuvering part, and a spacing position, in which it is situated near the end of said anterior attack part, thus increasing the thickness of the latter by spreading the tongues apart, said spacer element comprising a receiving seat that is open at the top and bottom.
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