| 发明名称 |
POLYAXIAL BONE ANCHOR INCORPORATING A TWO POSITION SADDLE ASSEMBLY |
| 摘要 |
A polyaxial bone anchor assembly, comprising: a threaded screw portion comprising a head end; a head body disposed concentrically about the head end of the threaded screw portion; and a saddle assembly disposed within the head body and selectively engaging the head end of the threaded screw portion; wherein, when the saddle assembly is translated within the head body into a first locked position, the head body is coupled to the threaded screw portion such that disengagement of the head body from the threaded screw portion is allowed; and wherein, when the saddle assembly is translated within the head body into a second locked position, the head body is coupled to the threaded screw portion such that disengagement of the head body from the threaded screw portion is prevented. |
| 申请公布号 |
US2015230829(A1) |
申请公布日期 |
2015.08.20 |
| 申请号 |
US201514618233 |
申请日期 |
2015.02.10 |
| 申请人 |
HARRIS Peter M.;SPITLER James Q. |
发明人 |
HARRIS Peter M.;SPITLER James Q. |
| 分类号 |
A61B17/70 |
主分类号 |
A61B17/70 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A polyaxial bone anchor assembly, comprising:
a threaded screw portion comprising a head end; a head body disposed concentrically about the head end of the threaded screw portion; and a saddle assembly disposed within the head body and engaging the head end of the threaded screw portion; wherein, when the saddle assembly is translated within the head body into a locked position, the head body is coupled to the threaded screw portion such that disengagement of the head body from the threaded screw portion is prevented. |
| 地址 |
Boca Raton FL US |
