M. Merle, B. Lallemand
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引用次数: 0
手的手指的人工植入物
手指的人工植入物专门用于掌指关节(MCF)和近端指间关节(IFP)。MCF植入物最常用于类风湿性关节炎患者,而IFP植入物适用于晚期原发性关节病或创伤后关节病。MCF植物与IFP植物的生物力学概念不同。迄今为止,没有任何约束或滑动植入物能够恢复这些关节的全部功能。随着时间的推移,植物使用硬质材料的无数尝试都没有受到抵制。这些故障的总和导致了柔性有机硅聚合物系统的使用,该系统具有确保惰性和有用的移动性的优点。夹紧力的恢复仍然是这些系统的弱点。专门用于类风湿性关节炎的MCF关节成形术需要完全掌握腕轴和指链的重建以及周围组织结构的修复。手术必须与术后矫正设备和严格的康复协议齐头并进。IFP关节成形术涉及精细的技术实现,根据关节状况,必须优先选择保持伸肌器械连续性的进入途径。这些是比背侧通道更可取的侧向和手持通道,在大多数情况下,背侧通道可确保60°以上的活动区域。
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