| 摘要 |
A closure for an open ended medical implant with a pair of spaced arms to maintain a rod or the like in the implant. The closure including a top plate with depending side flanges forming a discontinuous ring that is received about the implant in comparatively low profile from side to side. The closure includes a threaded central cylindrical shaped boss depending from the plate to maintain spacing of the implant arms and secure the closure to the implant. The plate and boss have coaxial bores that receive a set screw. The flanges abut against an outer surface of the arms during use to prevent spreading of the arms.
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