发明名称 Halo fixation system
摘要 Halo fixation system for fixation of a head about an orthopedic jacket with an attached halo assembly with respect to the cervical region such as for spine trauma. The halo fixation system includes eight fixated round ball-socket and rod assemblies, four assemblies affixed to the jacket and four assemblies in twin opposing captured elevation screw assemblies. The halo is adjustable through the twin captured elevation screw assemblies. Rods connected between the ball and socket assemblies of the jacket and of the captured elevation assemblies which support the halo. The halo can be either metal or composite material, and either a closed or open halo. The halo is omni adjustable about the head based on the omni directional adjustable rod in the ball-socket configurations located about the halo head piece and the jacket.
申请公布号 US4541421(A) 申请公布日期 1985.09.17
申请号 US19840596392 申请日期 1984.04.03
申请人 PMT, INC. 发明人 IVERSEN, ALFRED A.;EASTMAN, WILLIAM J.
分类号 A61F5/055;(IPC1-7):A61H1/02 主分类号 A61F5/055
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