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Knee balancing for revision procedures
专利权人:
Barjinder Chana
发明人:
Barjinder Chana,Michael Fisher
申请号:
US12757486
公开号:
US08506571B2
申请日:
2010.04.09
申请国别(地区):
US
年份:
2013
代理人:
摘要:
Methods, systems and devices are provided for facilitating a surgical procedure on a knee, particularly, a revision total knee replacement procedure. Prior femoral and tibial prostheses are removed. A cut end of a distal femur is engaged with a femoral adjustment member, which will typically center itself about an intramedullary rod placed into the femur. The lateral and medial forces exerted by lateral and medial sides of the femoral adjustment member and the cut tibial plateau against each other are measured. The femoral adjustment member is adjusted to apply and/or adjust tension to the lateral collateral ligament and/or the medial collateral ligament based on the measured forces, for example, such that the measured lateral force and the measured medial force are matched. Based on the position of the adjusted femoral member, guided clean-up cuts for placement of a new femoral prostheses are made on the cut end of the distal femur.
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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