Biomechanical and Clinical Validation of a Modulus-Graded Ti-Nb-Sn Femoral Stem for Suppressing Stress Shielding in Total Hip Arthroplasty

Biomechanical and Clinical Validation of a Modulus-Graded Ti-Nb-Sn Femoral Stem for Suppressing Stress Shielding in Total Hip Arthroplasty

Stress shielding remains a major concern in cementless total hip arthroplasty (THA) due to the stiffness mismatch between femoral stems and surrounding bone. This study investigated the biomechanical and clinical performance of a novel Ti-33.6Nb-4Sn (Ti-Nb-Sn) alloy stem with a graded Young’s modulu...

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Bibliographic Details
Main Authors: Yu Mori, Hidetatsu Tanaka, Hiroaki Kurishima, Ryuichi Kanabuchi, Naoko Mori, Keisuke Sasagawa, Toshimi Aizawa
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Applied Sciences
Subjects:
Ti-Nb-Sn alloy
stress shielding
total hip arthroplasty
finite element model
Young’s modulus gradient
Online Access:https://www.mdpi.com/2076-3417/15/9/4827
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