Effect of progressive wear on the contact mechanics of hip replacements – Does the realistic surface profile matter?

Yang, Wenjian; Peng, Xifeng; Li, Dichen; Dong, Shuangpeng; Zhang, Shu; Jun, Zhu; Zhang, Jin

doi:10.1016/j.jbiomech.2015.01.020

Cited by 9 publications

(4 citation statements)

References 20 publications

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“…As regards the COR, several prior studies [ 18 , 39 , 40 , 41 ] have linked the elevation and lateralization positioning of the COR, with the failure of THA. For uncemented cups, Georgiades et al set the probability value for statistical significance at 5% [ 39 ].…”

Section: Discussionmentioning

confidence: 99%

“…VM stress, stress intensity factor (SI) and other results for prediction of wear risk is often used by authors [ 18 , 35 ] as an order of magnitude. VM stress is more reliable as a predictor of wear rate since this kind of criterion comprises the three principal direction stresses in one equation with a long track of approximation to the actual behavior of materials with ductile crack.…”

Section: Methodsmentioning

confidence: 99%

“…Bearing this in mind, the present research has developed a numerical wear simulation using FEA to check distinct features of wear risk [ 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 ] with particular focus on the variables that affect the integrity of the liners. One of the most powerful tools in the computational scenario is obtaining an order of magnitude to determine and prevent the causes of wear rate for singular patients and, consequently, to avoid osteolysis progress and failure in THA.…”

Section: Introductionmentioning

confidence: 99%

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Wear Risk Prevention and Reduction in Total Hip Arthroplasty. A Personalized Study Comparing Cement and Cementless Fixation Techniques Employing Finite Element Analysis

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Ortega

Buján

et al. 2021

JPM

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The wear rate on Total Hip Arthroplasty (THA) entails a heavy burden for patients. This becomes more relevant with increased wear risk and its consequences such as osteolysis. In addition, osteolysis has been described in cemented and uncemented acetabular implants, and nowadays, controversy remains as to whether or not to cement the acetabular component. A personalized theoretical study was carried out to investigate which parameters have an influence on wear risk and to determine the best fixation method. Liner wear risk was assessed for two different types of fixation (cemented vs uncemented) through Finite Elements Analysis (FEA). The intraoperative variables used to determine the wear risk (cervical-diaphyseal angle, Center of Rotation positioning -COR-, head material, head size, and liner thickness) are vital parameters in surgical planning. Two types of tridimensional liner models of Ultra High Molecular Weight Polyethene (UHMWPE) were simulated through finite element analysis (FEA—over 216 cases were the core of this research). A significant relationship was found between the cervical-diaphyseal angle and wear risk (p < 0.0001), especially in valgus morphology. The acetabular fixation technique (p < 0.0001) and liner thickness (p < 0.0001) showed a significant relationship with wear risk. According to our study, using a cemented fixation with a thick liner in the right center of rotation appears to be the proper stratagy for preventing polyethylene liner wear.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Wear Risk Prevention and Reduction in Total Hip Arthroplasty. A Personalized Study Comparing Cement and Cementless Fixation Techniques Employing Finite Element Analysis

Bravo

Ortega

Buján

et al. 2021

JPM

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“…The CAD file of the designed prosthesis can be directly used for 3D printing manufacturing. Most importantly, the optimized microstructural design can improve the long-term stability of the implants with excellent bone ingrowth [2][3][4][5][6].…”

Section: Software Developed For Customized Orthopedic Implants (Orthomentioning

confidence: 99%

Research center of biomanufacturing in Xi’an Jiaotong University

Wang

et al. 2018

Bio-des. Manuf.

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Xi'an Jiaotong University (XJTU) has carried out the research of additive manufacturing (AM) since 1993, who is one of the earliest institutes majoring in AM. After 20 years of effort, XJTU has made great progress on the additive manufacturing of polymer, metals, ceramics, composite materials and intelligent materials. XJTU has established a research team that features the engineering application of rapid manufacturing system. A Ministry of Education's inno

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Biomechanics and Biotribology of UHMWPE Artificial Hip Joints

Gao

Zhang

2019

Springer Series in Biomaterials Science and Engineering

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Effect of progressive wear on the contact mechanics of hip replacements – Does the realistic surface profile matter?

Cited by 9 publications

References 20 publications

Wear Risk Prevention and Reduction in Total Hip Arthroplasty. A Personalized Study Comparing Cement and Cementless Fixation Techniques Employing Finite Element Analysis

Wear Risk Prevention and Reduction in Total Hip Arthroplasty. A Personalized Study Comparing Cement and Cementless Fixation Techniques Employing Finite Element Analysis

Research center of biomanufacturing in Xi’an Jiaotong University

Biomechanics and Biotribology of UHMWPE Artificial Hip Joints

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