Polyaxial screw system
作者： Christian L. Lauridsen , Keith R. Peterson , Brent A. Felix
DOI:
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摘要: A polyaxial screw system includes a drive cap having partition wall with first side and an opposing second side, passage extending through the wall. sleeve projects from of wall, bounding socket. shaft outwardly has threaded portion head formed on end thereof. The is at least partially disposed within socket cap. collet At compression movably extends opening in so that can selectively move relative to
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