Active bone screw
- 专利权人:
- Marc Evan Richelsoph
- 发明人:
- Marc Evan Richelsoph
- 申请号：
- US12401311
- 公开号：
- US08414630B2
- 申请日:
- 2009.03.10
- 申请国别(地区):
- US
- 年份:
- 2013
- 代理人:
- 摘要：
- A bone screw includes a head portion and shank portion. The shank portion includes a regularly outwardly expanding threaded portion.
- 来源网站：
- 中国工程科技知识中心
