Pedicle screw
申请(专利)号:
US19890317144
申请日期:
1989-02-28
公开/公告号:
US4946458A
公开/公告日期:
1990-08-07
申请(专利权)人:
HARMS; JUERGEN;BIEDERMANN; LUTZ
被引量:
摘要:
A pedicle screw (1) for use in the monosegmental or multisegmental stabilization of the spinal column comprises a thread and a receiver portion. In order to facilitate the mounting and to reduce the stress of the screw and the threaded rods for connection therewith, a threaded shaft part (2) and a receiver part (3) are mutually connected in an articulated manner.
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