膝下假肢 meaning in English

below-knee prosthesis
bk prosthesis

In this procedure , a standard model of tibia and fibula was scaled and positioned according to the thickness of soft tissue at patellar tendon and fibular head , and then nodes and elements could be generated automatically according to the preference of user . soft tissues modulus in fe models was obtained with in - vivo measurement of the individual , the socket rectification was simulated by applying radial displacements to corresponding nodes
在有限元应力分析部分，本文建立了专门针对膝下假肢的有限元建模方法，包括自动骨定位和自动网格划分，建模时对前人的模型做了优化，考虑了骨和软组织材料的影响，同时也满足了临床使用的快捷、方便的要求。