发明名称 |
Implant having a shaft and a holding element connected therewith for connecting with a rod |
摘要 |
An implant is described having a shaft (1) and a holding element (3; 30) connected therewith for connecting with a rod (100). A recess is provided in the holding element. The recess has a U-shaped cross section for accommodation of the rod and two free legs (7, 8; 32, 33) at one end which include an inner thread (9; 34). A closure element (20; 36) fixes the rod inserted into the U-shaped recess. The closure element has an outer thread cooperating with the inner thread of the legs. An abutment is provided at or in the holding element (3; 30) to limit tilting of the closure element about the rod at the time of final tightening of the closure element in the holding element. As a result thereof it is possible to keep the wall thickness of the receiver member small in spite of the large forces acting at the time of final tightening. The invention is applicable to both monoaxial screws and polyaxial screws as well as bone hooks.
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申请公布号 |
US2004186474(A1) |
申请公布日期 |
2004.09.23 |
申请号 |
US20030726177 |
申请日期 |
2003.12.01 |
申请人 |
BIEDERMANN MOTECH GMBH |
发明人 |
MATTHIS WILFRIED;BIEDERMANN LUTZ;HARMS JURGEN |
分类号 |
F16C11/06;A61B17/60;A61B17/70;(IPC1-7):A61B17/58 |
主分类号 |
F16C11/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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