| 发明名称 |
Polyaxial facet fixation screw system |
| 摘要 |
A screw system includes a screw and a washer assembly captive to the screw. The washer assembly is polyaxially pivotable relative to the screw. The screw may be freely rotated in one direction relative to the washer assembly, but frictionally binds with the washer assembly when rotated in a second direction.
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| 申请公布号 |
US8529609(B2) |
申请公布日期 |
2013.09.10 |
| 申请号 |
US20100957056 |
申请日期 |
2010.11.30 |
| 申请人 |
HELGERSON JOEL R.;MARIGOWDA SHRESTA;FAUTH ANDREW;OSTEOMED LLC |
发明人 |
HELGERSON JOEL R.;MARIGOWDA SHRESTA;FAUTH ANDREW |
| 分类号 |
A61B17/86 |
主分类号 |
A61B17/86 |
| 代理机构 |
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代理人 |
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| 主权项 |
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