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填充块准确定位膝关节 - China Medical Device Manufacturer
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Wed, January 17th, 2018

2008年11月CMDM电子快讯 » 技术新知
填充块准确定位膝关节

佛罗里达大学(美国佛罗里达州, Gainesville)开发的填充块带有传感器,可以测量膝关节置换物的尺寸和施加给韧带的压力。通过在膝盖手术时对膝关节进行准确定位,医生不仅可以提高手术效率,还能缓解病人的术后疼痛。

这种技术对于取出骨骼并替代以植入物的膝盖手术中十分有效。为避免连接膝关节的韧带受到损伤,必须保证取出骨骼的大小与膝关节置换物的大小相同。目前,填充块和角度测量仪可用于对关节进行定位,保证膝关节置换物的尺寸合适。然而,由于不同患者的关节结构存在差异以及手术过程中关节的滑动空间极大,因此,关节尺寸不符的现象时有发生。

传感器可以捕获填充块和关节之间的接触力和压力的详细数据,以帮助外科医生对压力失衡现象进行调整,维持骨骼和关节之间的正确定位与间隔空间。

传感器可永久或暂时置于全部或部分填充块上。它们可以与多种计算机设备兼容,因此医生可以直接在便携式设备如笔记本电脑或 PDA 上读取数据。

该设备的发明者 Peter Gearen 博士和 Mark Alan Bewernitz 博士正积极寻找公司授权生产该产品。更多信息,请联系佛罗里达大学技术许可办公室。


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