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Retraction tube for use with bone screw
专利权人:
David Louis Kirschman
发明人:
David Louis Kirschman
申请号:
US12477489
公开号:
US08142436B2
申请日:
2009.06.03
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A retractor system and method for locating and placing a polyaxial screw while substantially simultaneously retracting tissue is shown and described. The retractor has a channel that facilitates introducing a rod into the polyaxial screw. Various embodiments are shown, including one which utilized a reducer for moving the rod in the retractor.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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