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Derotation apparatus for treating spinal irregularities
专利权人:
Katherine Manninen
发明人:
Katherine Manninen,Victoria Ferrari,Noah Hansell
申请号:
US13275499
公开号:
US09005204B2
申请日:
2011.10.18
申请国别(地区):
US
年份:
2015
代理人:
摘要:
Treatment of spinal irregularities, including, in one or more embodiments, derotation apparatus and systems that can be used to reduce the rotation of vertebral bodies. Derotation apparatus that may comprise a tube assembly comprising an inner sleeve and an outer sleeve disposed over the inner sleeve. The inner sleeve may have a distal end for attachment to an implant. The tube assembly may further comprise a handle assembly. The tube assembly may further comprise a ball joint assembly disposed between the tube assembly and the handle assembly. The ball joint assembly may comprise a ball joint configured for attachment to a coupling rod. The ball joint assembly further may comprise a reducing extension below the ball joint, the reducing extension being sized to fit in a central bore of the inner sleeve. Orthopedic fixation devices comprising a ball joint are also disclosed.
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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