Role of the compression screw in the dynamic hip–screw system: A finite-element study

Role of the compression screw in the dynamic hip–screw system: A finite-element study

Highlights • Three patterns of femoral pertrochanteric fracture were modeled to evaluate the role of compression screw in DHS system. • In these models, a retained compression screw increases structural stiffness and reduces the peak von Mises stress of DHS. • In intertrochanteric fracture with bony...

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Veröffentlicht in:Medical engineering & physics 2015-12, Vol.37 (12), p.1174-1179
Hauptverfasser: Chang, Chih-Wei, Chen, Yen-Nien, Li, Chun-Ting, Peng, Yao-Te, Chang, Chih-Han
Format: Artikel
Sprache:eng
Schlagworte:
Bone Screws
Compression screw
Dynamic hip–screw (DHS) system
Femoral Fractures - surgery
Finite element (FE)
Finite Element Analysis
Hip - surgery
Mechanical Phenomena
Radiology
Stress, Mechanical
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container_end_page 1179
container_issue 12
container_start_page 1174
container_title Medical engineering & physics
container_volume 37
creator Chang, Chih-Wei
Chen, Yen-Nien
Li, Chun-Ting
Peng, Yao-Te
Chang, Chih-Han
description Highlights • Three patterns of femoral pertrochanteric fracture were modeled to evaluate the role of compression screw in DHS system. • In these models, a retained compression screw increases structural stiffness and reduces the peak von Mises stress of DHS. • In intertrochanteric fracture with bony defects, a retained compression screw helps to avoid implant failure of side plate.
doi_str_mv 10.1016/j.medengphy.2015.10.001
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subjects Bone Screws
Compression screw
Dynamic hip–screw (DHS) system
Femoral Fractures - surgery
Finite element (FE)
Finite Element Analysis
Hip - surgery
Mechanical Phenomena
Radiology
Stress, Mechanical
title Role of the compression screw in the dynamic hip–screw system: A finite-element study
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