Spherical porous filling structure calcaneus prosthesis and optimization design method thereof

The invention discloses a spherical porous filling structure calcaneus prosthesis design method. The method specifically comprises the following steps of S1, obtaining a calcaneus prosthesis model consisting of calcaneus, soft tissues and the ground; S2, performing porous structure modeling on the c...

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Hauptverfasser: HUANG XIANWEI, YUE YONG, LIU XIAOYING, WU XUYANG, HUANG JIAZAN, WANG CHONGNING, XIE JIXUAN, LI PENGWEN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a spherical porous filling structure calcaneus prosthesis design method. The method specifically comprises the following steps of S1, obtaining a calcaneus prosthesis model consisting of calcaneus, soft tissues and the ground; S2, performing porous structure modeling on the calcaneus model to obtain spherical porous filling structure calcaneus prosthesis models; S3, makingcombinations of different spherical radiuses r and array spacings a to obtain a plurality of spherical porous filling structure calcaneus prosthesis models; S4, performing finite element analysis on the models consisting of calcaneus prostheses, the soft tissues and the ground in ABAQUS to obtain data of strain energy, stress, displacement and the like of the calcaneus prostheses; and S5, comparing data of maximum strain energy, maximum stress, maximum displacement and the like of the spherical porous filling structure calcaneus prosthesis models with different porosities to obtain an optimalspherical porous filling s