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PROVISIONAL TIBIAL PROSTHESIS SYSTEM
专利权人:
Jody L. Claypool;Steven E. Stump
发明人:
Jody L. Claypool,Steven E. Stump
申请号:
US13087610
公开号:
US20120158152A1
申请日:
2011.04.15
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The present disclosure provides a provisional tibial prosthesis system for a set of prosthetic knee joints for implantation in a natural knee, the provisional tibial prosthesis system including a bearing component and a bearing support, the spacing of the bearing component from the bearing support is adjustable to allow for representation of a variety of different sized final tibial prostheses. In this system, only one provisional bearing component corresponding to each level of constraint is needed and shims are used to adjust the spacing of the bearing component from the bearing support. The shims are slidably insertable between the bearing component and the bearing support in an anterior/posterior direction to allow for adjustment of the spacing of the bearing component from the bearing support. The number of provisional components needed during knee surgery is reduced and adjustment of the system only requires the knee joint to be distracted by a distance equal to the height of a particular shim.
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中国工程科技知识中心
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