Mechanical studies on biomaterials for reconstruction of lower limb functions

Research output: Contribution to journalReview articlepeer-review

Abstract

In this paper, mechanical studies on biomaterials for reconstruction and regeneration of bone and joints of lower limb are summarized. Finite element analyses of knee and hip prostheses were performed to characterize the mechanical conditions of the artificial components and the mechanical interaction between bone and prosthesis. The computational results showed that for the knee prosthesis, the transitional behavior of stress concentration on ultra-high molecular weight polyethylene insert corresponded to actual damage formations, and for the hip prosthesis, the disturbed stress on the injured acetabulum was effectively reduced by the joint replacement, however, stress shielding effect in the femur was also induced by stem insertion. Strength enhancement of bioabsorbable porous poly(L-lactide) scaffold was also investigated using layered structurization. It was found that those properties were effectively improved by introducing layered structures.

Original languageEnglish
Pages (from-to)293-297
Number of pages5
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume57
Issue number5
DOIs
Publication statusPublished - May 2010

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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