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Spinal fixation system
专利权人:
K2M; Inc.
发明人:
Scott Jones,Oheneba Boachie-Adjei,Larry McClintock,Kevin Strauss,John Carbone
申请号:
US15905012
公开号:
US10499957B2
申请日:
2018.02.26
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A polyaxial pedicle screw includes a housing, a bone screw member, and an anvil. The bone screw member includes a head and a threaded shaft extending from the head. The head is selectively securable within the housing. The anvil is positionable within the housing adjacent to the head of the bone screw member when the anvil and the head of the bone screw member are positioned within the housing. The anvil may define one or more grooves in an outer surface of the anvil. The groove defines a flap that is flexibly attached to the anvil to enable the anvil to flex an amount sufficient to maintain the head of the bone screw in constant contact with the anvil when the bone screw member is moved relative to the anvil. A rod reducer may be secured to the polyaxial pedicle screw to secure a spinal rod within the housing.
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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