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Self distracting pedicle screw distraction device
专利权人:
John R. Pepper
发明人:
John R. Pepper,Miguelangelo J. Perez-Cruet
申请号:
US13015197
公开号:
US09730732B2
申请日:
2011.01.27
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A pedicle screw distraction device that includes first and second pedicle screws each including a screw body portion and a ball head. The device also includes first and second screw head portions each including an internal threaded bore where the first screw is inserted in the first screw head portion and the second screw is inserted in the second screw head portion. The device also includes a connector link coupled to the first and second screw head portions where the connector link includes an outer perimeter portion having a slot therein. A spring member is positioned within the connector link between and in contact with the first and second screw head portions. A locking member including a plate and a separating portion is positioned between the screw head portions and an inside wall of the connector link where the separating portion is positioned between the screw head portions.
来源网站:
中国工程科技知识中心
来源网址:
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